1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 2199653d4eSeschrock 22fa9e4066Sahrens /* 233f9d6ad7SLin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 249a686fbcSPaul Dagnelie * Copyright (c) 2011, 2015 by Delphix. All rights reserved. 25810e43b2SBill Pijewski * Copyright (c) 2013, Joyent, Inc. All rights reserved. 266401734dSWill Andrews * Copyright 2016 Nexenta Systems, Inc. 2788f61deeSIgor Kozhukhov * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens #include <ctype.h> 31fa9e4066Sahrens #include <errno.h> 32fa9e4066Sahrens #include <devid.h> 33fa9e4066Sahrens #include <fcntl.h> 34fa9e4066Sahrens #include <libintl.h> 35fa9e4066Sahrens #include <stdio.h> 36fa9e4066Sahrens #include <stdlib.h> 37f3861e1aSahl #include <strings.h> 38fa9e4066Sahrens #include <unistd.h> 394445fffbSMatthew Ahrens #include <libgen.h> 408488aeb5Staylor #include <sys/efi_partition.h> 418488aeb5Staylor #include <sys/vtoc.h> 42fa9e4066Sahrens #include <sys/zfs_ioctl.h> 43573ca77eSGeorge Wilson #include <dlfcn.h> 44fa9e4066Sahrens 45fa9e4066Sahrens #include "zfs_namecheck.h" 46b1b8ab34Slling #include "zfs_prop.h" 47fa9e4066Sahrens #include "libzfs_impl.h" 48468c413aSTim Haley #include "zfs_comutil.h" 49ad135b5dSChristopher Siden #include "zfeature_common.h" 50fa9e4066Sahrens 5115e6edf1Sgw static int read_efi_label(nvlist_t *config, diskaddr_t *sb); 52990b4856Slling 53573ca77eSGeorge Wilson #define BACKUP_SLICE "s2" 54573ca77eSGeorge Wilson 55f9af39baSGeorge Wilson typedef struct prop_flags { 56f9af39baSGeorge Wilson int create:1; /* Validate property on creation */ 57f9af39baSGeorge Wilson int import:1; /* Validate property on import */ 58f9af39baSGeorge Wilson } prop_flags_t; 59f9af39baSGeorge Wilson 60990b4856Slling /* 61990b4856Slling * ==================================================================== 62990b4856Slling * zpool property functions 63990b4856Slling * ==================================================================== 64990b4856Slling */ 65990b4856Slling 66990b4856Slling static int 67990b4856Slling zpool_get_all_props(zpool_handle_t *zhp) 68990b4856Slling { 69990b4856Slling zfs_cmd_t zc = { 0 }; 70990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 71990b4856Slling 72990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 73990b4856Slling 74990b4856Slling if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) 75990b4856Slling return (-1); 76990b4856Slling 77990b4856Slling while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { 78990b4856Slling if (errno == ENOMEM) { 79990b4856Slling if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 80990b4856Slling zcmd_free_nvlists(&zc); 81990b4856Slling return (-1); 82990b4856Slling } 83990b4856Slling } else { 84990b4856Slling zcmd_free_nvlists(&zc); 85990b4856Slling return (-1); 86990b4856Slling } 87990b4856Slling } 88990b4856Slling 89990b4856Slling if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { 90990b4856Slling zcmd_free_nvlists(&zc); 91990b4856Slling return (-1); 92990b4856Slling } 93990b4856Slling 94990b4856Slling zcmd_free_nvlists(&zc); 95990b4856Slling 96990b4856Slling return (0); 97990b4856Slling } 98990b4856Slling 99990b4856Slling static int 100990b4856Slling zpool_props_refresh(zpool_handle_t *zhp) 101990b4856Slling { 102990b4856Slling nvlist_t *old_props; 103990b4856Slling 104990b4856Slling old_props = zhp->zpool_props; 105990b4856Slling 106990b4856Slling if (zpool_get_all_props(zhp) != 0) 107990b4856Slling return (-1); 108990b4856Slling 109990b4856Slling nvlist_free(old_props); 110990b4856Slling return (0); 111990b4856Slling } 112990b4856Slling 113990b4856Slling static char * 114990b4856Slling zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, 115990b4856Slling zprop_source_t *src) 116990b4856Slling { 117990b4856Slling nvlist_t *nv, *nvl; 118990b4856Slling uint64_t ival; 119990b4856Slling char *value; 120990b4856Slling zprop_source_t source; 121990b4856Slling 122990b4856Slling nvl = zhp->zpool_props; 123990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 124990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); 125990b4856Slling source = ival; 126990b4856Slling verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); 127990b4856Slling } else { 128990b4856Slling source = ZPROP_SRC_DEFAULT; 129990b4856Slling if ((value = (char *)zpool_prop_default_string(prop)) == NULL) 130990b4856Slling value = "-"; 131990b4856Slling } 132990b4856Slling 133990b4856Slling if (src) 134990b4856Slling *src = source; 135990b4856Slling 136990b4856Slling return (value); 137990b4856Slling } 138990b4856Slling 139990b4856Slling uint64_t 140990b4856Slling zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) 141990b4856Slling { 142990b4856Slling nvlist_t *nv, *nvl; 143990b4856Slling uint64_t value; 144990b4856Slling zprop_source_t source; 145990b4856Slling 146b87f3af3Sperrin if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { 147b87f3af3Sperrin /* 148b87f3af3Sperrin * zpool_get_all_props() has most likely failed because 149b87f3af3Sperrin * the pool is faulted, but if all we need is the top level 150b87f3af3Sperrin * vdev's guid then get it from the zhp config nvlist. 151b87f3af3Sperrin */ 152b87f3af3Sperrin if ((prop == ZPOOL_PROP_GUID) && 153b87f3af3Sperrin (nvlist_lookup_nvlist(zhp->zpool_config, 154b87f3af3Sperrin ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && 155b87f3af3Sperrin (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) 156b87f3af3Sperrin == 0)) { 157b87f3af3Sperrin return (value); 158b87f3af3Sperrin } 159990b4856Slling return (zpool_prop_default_numeric(prop)); 160b87f3af3Sperrin } 161990b4856Slling 162990b4856Slling nvl = zhp->zpool_props; 163990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 164990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); 165990b4856Slling source = value; 166990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); 167990b4856Slling } else { 168990b4856Slling source = ZPROP_SRC_DEFAULT; 169990b4856Slling value = zpool_prop_default_numeric(prop); 170990b4856Slling } 171990b4856Slling 172990b4856Slling if (src) 173990b4856Slling *src = source; 174990b4856Slling 175990b4856Slling return (value); 176990b4856Slling } 177990b4856Slling 178990b4856Slling /* 179990b4856Slling * Map VDEV STATE to printed strings. 180990b4856Slling */ 1816401734dSWill Andrews const char * 182990b4856Slling zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) 183990b4856Slling { 184990b4856Slling switch (state) { 185990b4856Slling case VDEV_STATE_CLOSED: 186990b4856Slling case VDEV_STATE_OFFLINE: 187990b4856Slling return (gettext("OFFLINE")); 188990b4856Slling case VDEV_STATE_REMOVED: 189990b4856Slling return (gettext("REMOVED")); 190990b4856Slling case VDEV_STATE_CANT_OPEN: 191b87f3af3Sperrin if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) 192990b4856Slling return (gettext("FAULTED")); 1931195e687SMark J Musante else if (aux == VDEV_AUX_SPLIT_POOL) 1941195e687SMark J Musante return (gettext("SPLIT")); 195990b4856Slling else 196990b4856Slling return (gettext("UNAVAIL")); 197990b4856Slling case VDEV_STATE_FAULTED: 198990b4856Slling return (gettext("FAULTED")); 199990b4856Slling case VDEV_STATE_DEGRADED: 200990b4856Slling return (gettext("DEGRADED")); 201990b4856Slling case VDEV_STATE_HEALTHY: 202990b4856Slling return (gettext("ONLINE")); 20388f61deeSIgor Kozhukhov 20488f61deeSIgor Kozhukhov default: 20588f61deeSIgor Kozhukhov break; 206990b4856Slling } 207990b4856Slling 208990b4856Slling return (gettext("UNKNOWN")); 209990b4856Slling } 210990b4856Slling 2116401734dSWill Andrews /* 2126401734dSWill Andrews * Map POOL STATE to printed strings. 2136401734dSWill Andrews */ 2146401734dSWill Andrews const char * 2156401734dSWill Andrews zpool_pool_state_to_name(pool_state_t state) 2166401734dSWill Andrews { 2176401734dSWill Andrews switch (state) { 2186401734dSWill Andrews case POOL_STATE_ACTIVE: 2196401734dSWill Andrews return (gettext("ACTIVE")); 2206401734dSWill Andrews case POOL_STATE_EXPORTED: 2216401734dSWill Andrews return (gettext("EXPORTED")); 2226401734dSWill Andrews case POOL_STATE_DESTROYED: 2236401734dSWill Andrews return (gettext("DESTROYED")); 2246401734dSWill Andrews case POOL_STATE_SPARE: 2256401734dSWill Andrews return (gettext("SPARE")); 2266401734dSWill Andrews case POOL_STATE_L2CACHE: 2276401734dSWill Andrews return (gettext("L2CACHE")); 2286401734dSWill Andrews case POOL_STATE_UNINITIALIZED: 2296401734dSWill Andrews return (gettext("UNINITIALIZED")); 2306401734dSWill Andrews case POOL_STATE_UNAVAIL: 2316401734dSWill Andrews return (gettext("UNAVAIL")); 2326401734dSWill Andrews case POOL_STATE_POTENTIALLY_ACTIVE: 2336401734dSWill Andrews return (gettext("POTENTIALLY_ACTIVE")); 2346401734dSWill Andrews } 2356401734dSWill Andrews 2366401734dSWill Andrews return (gettext("UNKNOWN")); 2376401734dSWill Andrews } 2386401734dSWill Andrews 239990b4856Slling /* 240990b4856Slling * Get a zpool property value for 'prop' and return the value in 241990b4856Slling * a pre-allocated buffer. 242990b4856Slling */ 243990b4856Slling int 244990b4856Slling zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, 245c58b3526SAdam Stevko zprop_source_t *srctype, boolean_t literal) 246990b4856Slling { 247990b4856Slling uint64_t intval; 248990b4856Slling const char *strval; 249990b4856Slling zprop_source_t src = ZPROP_SRC_NONE; 250990b4856Slling nvlist_t *nvroot; 251990b4856Slling vdev_stat_t *vs; 252990b4856Slling uint_t vsc; 253990b4856Slling 254990b4856Slling if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 255379c004dSEric Schrock switch (prop) { 256379c004dSEric Schrock case ZPOOL_PROP_NAME: 257990b4856Slling (void) strlcpy(buf, zpool_get_name(zhp), len); 258379c004dSEric Schrock break; 259379c004dSEric Schrock 260379c004dSEric Schrock case ZPOOL_PROP_HEALTH: 261990b4856Slling (void) strlcpy(buf, "FAULTED", len); 262379c004dSEric Schrock break; 263379c004dSEric Schrock 264379c004dSEric Schrock case ZPOOL_PROP_GUID: 265379c004dSEric Schrock intval = zpool_get_prop_int(zhp, prop, &src); 266379c004dSEric Schrock (void) snprintf(buf, len, "%llu", intval); 267379c004dSEric Schrock break; 268379c004dSEric Schrock 269379c004dSEric Schrock case ZPOOL_PROP_ALTROOT: 270379c004dSEric Schrock case ZPOOL_PROP_CACHEFILE: 2718704186eSDan McDonald case ZPOOL_PROP_COMMENT: 272379c004dSEric Schrock if (zhp->zpool_props != NULL || 273379c004dSEric Schrock zpool_get_all_props(zhp) == 0) { 274379c004dSEric Schrock (void) strlcpy(buf, 275379c004dSEric Schrock zpool_get_prop_string(zhp, prop, &src), 276379c004dSEric Schrock len); 277c58b3526SAdam Stevko break; 278379c004dSEric Schrock } 279379c004dSEric Schrock /* FALLTHROUGH */ 280379c004dSEric Schrock default: 281990b4856Slling (void) strlcpy(buf, "-", len); 282379c004dSEric Schrock break; 283379c004dSEric Schrock } 284379c004dSEric Schrock 285379c004dSEric Schrock if (srctype != NULL) 286379c004dSEric Schrock *srctype = src; 287990b4856Slling return (0); 288990b4856Slling } 289990b4856Slling 290990b4856Slling if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && 291990b4856Slling prop != ZPOOL_PROP_NAME) 292990b4856Slling return (-1); 293990b4856Slling 294990b4856Slling switch (zpool_prop_get_type(prop)) { 295990b4856Slling case PROP_TYPE_STRING: 296990b4856Slling (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), 297990b4856Slling len); 298990b4856Slling break; 299990b4856Slling 300990b4856Slling case PROP_TYPE_NUMBER: 301990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 302990b4856Slling 303990b4856Slling switch (prop) { 304990b4856Slling case ZPOOL_PROP_SIZE: 305485bbbf5SGeorge Wilson case ZPOOL_PROP_ALLOCATED: 306485bbbf5SGeorge Wilson case ZPOOL_PROP_FREE: 307ad135b5dSChristopher Siden case ZPOOL_PROP_FREEING: 3087fd05ac4SMatthew Ahrens case ZPOOL_PROP_LEAKED: 309c58b3526SAdam Stevko if (literal) { 310c58b3526SAdam Stevko (void) snprintf(buf, len, "%llu", 311c58b3526SAdam Stevko (u_longlong_t)intval); 312c58b3526SAdam Stevko } else { 313c58b3526SAdam Stevko (void) zfs_nicenum(intval, buf, len); 314c58b3526SAdam Stevko } 315990b4856Slling break; 3167a09f97bSGeorge Wilson case ZPOOL_PROP_EXPANDSZ: 3177a09f97bSGeorge Wilson if (intval == 0) { 3187a09f97bSGeorge Wilson (void) strlcpy(buf, "-", len); 3197a09f97bSGeorge Wilson } else if (literal) { 3207a09f97bSGeorge Wilson (void) snprintf(buf, len, "%llu", 3217a09f97bSGeorge Wilson (u_longlong_t)intval); 3227a09f97bSGeorge Wilson } else { 3237a09f97bSGeorge Wilson (void) zfs_nicenum(intval, buf, len); 3247a09f97bSGeorge Wilson } 3257a09f97bSGeorge Wilson break; 326990b4856Slling case ZPOOL_PROP_CAPACITY: 327c58b3526SAdam Stevko if (literal) { 328c58b3526SAdam Stevko (void) snprintf(buf, len, "%llu", 329c58b3526SAdam Stevko (u_longlong_t)intval); 330c58b3526SAdam Stevko } else { 331c58b3526SAdam Stevko (void) snprintf(buf, len, "%llu%%", 332c58b3526SAdam Stevko (u_longlong_t)intval); 333c58b3526SAdam Stevko } 334990b4856Slling break; 3352e4c9986SGeorge Wilson case ZPOOL_PROP_FRAGMENTATION: 3362e4c9986SGeorge Wilson if (intval == UINT64_MAX) { 3372e4c9986SGeorge Wilson (void) strlcpy(buf, "-", len); 3382e4c9986SGeorge Wilson } else { 3392e4c9986SGeorge Wilson (void) snprintf(buf, len, "%llu%%", 3402e4c9986SGeorge Wilson (u_longlong_t)intval); 3412e4c9986SGeorge Wilson } 3422e4c9986SGeorge Wilson break; 343b24ab676SJeff Bonwick case ZPOOL_PROP_DEDUPRATIO: 344b24ab676SJeff Bonwick (void) snprintf(buf, len, "%llu.%02llux", 345b24ab676SJeff Bonwick (u_longlong_t)(intval / 100), 346b24ab676SJeff Bonwick (u_longlong_t)(intval % 100)); 347b24ab676SJeff Bonwick break; 348990b4856Slling case ZPOOL_PROP_HEALTH: 349990b4856Slling verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 350990b4856Slling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 351990b4856Slling verify(nvlist_lookup_uint64_array(nvroot, 3523f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) 3533f9d6ad7SLin Ling == 0); 354990b4856Slling 355990b4856Slling (void) strlcpy(buf, zpool_state_to_name(intval, 356990b4856Slling vs->vs_aux), len); 357990b4856Slling break; 358ad135b5dSChristopher Siden case ZPOOL_PROP_VERSION: 359ad135b5dSChristopher Siden if (intval >= SPA_VERSION_FEATURES) { 360ad135b5dSChristopher Siden (void) snprintf(buf, len, "-"); 361ad135b5dSChristopher Siden break; 362ad135b5dSChristopher Siden } 363ad135b5dSChristopher Siden /* FALLTHROUGH */ 364990b4856Slling default: 365990b4856Slling (void) snprintf(buf, len, "%llu", intval); 366990b4856Slling } 367990b4856Slling break; 368990b4856Slling 369990b4856Slling case PROP_TYPE_INDEX: 370990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 371990b4856Slling if (zpool_prop_index_to_string(prop, intval, &strval) 372990b4856Slling != 0) 373990b4856Slling return (-1); 374990b4856Slling (void) strlcpy(buf, strval, len); 375990b4856Slling break; 376990b4856Slling 377990b4856Slling default: 378990b4856Slling abort(); 379990b4856Slling } 380990b4856Slling 381990b4856Slling if (srctype) 382990b4856Slling *srctype = src; 383990b4856Slling 384990b4856Slling return (0); 385990b4856Slling } 386990b4856Slling 387990b4856Slling /* 388990b4856Slling * Check if the bootfs name has the same pool name as it is set to. 389990b4856Slling * Assuming bootfs is a valid dataset name. 390990b4856Slling */ 391990b4856Slling static boolean_t 392990b4856Slling bootfs_name_valid(const char *pool, char *bootfs) 393990b4856Slling { 394990b4856Slling int len = strlen(pool); 395990b4856Slling 396fe3e2633SEric Taylor if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) 397990b4856Slling return (B_FALSE); 398990b4856Slling 399990b4856Slling if (strncmp(pool, bootfs, len) == 0 && 400990b4856Slling (bootfs[len] == '/' || bootfs[len] == '\0')) 401990b4856Slling return (B_TRUE); 402990b4856Slling 403990b4856Slling return (B_FALSE); 404990b4856Slling } 405990b4856Slling 4064263d13fSGeorge Wilson boolean_t 4074263d13fSGeorge Wilson zpool_is_bootable(zpool_handle_t *zhp) 408b5b76fecSGeorge Wilson { 409*9adfa60dSMatthew Ahrens char bootfs[ZFS_MAX_DATASET_NAME_LEN]; 410b5b76fecSGeorge Wilson 411b5b76fecSGeorge Wilson return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, 412c58b3526SAdam Stevko sizeof (bootfs), NULL, B_FALSE) == 0 && strncmp(bootfs, "-", 413b5b76fecSGeorge Wilson sizeof (bootfs)) != 0); 414b5b76fecSGeorge Wilson } 415b5b76fecSGeorge Wilson 416b5b76fecSGeorge Wilson 417990b4856Slling /* 418990b4856Slling * Given an nvlist of zpool properties to be set, validate that they are 419990b4856Slling * correct, and parse any numeric properties (index, boolean, etc) if they are 420990b4856Slling * specified as strings. 421990b4856Slling */ 422990b4856Slling static nvlist_t * 4230a48a24eStimh zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 424f9af39baSGeorge Wilson nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) 425990b4856Slling { 426990b4856Slling nvpair_t *elem; 427990b4856Slling nvlist_t *retprops; 428990b4856Slling zpool_prop_t prop; 429990b4856Slling char *strval; 430990b4856Slling uint64_t intval; 4318704186eSDan McDonald char *slash, *check; 4322f8aaab3Seschrock struct stat64 statbuf; 43315e6edf1Sgw zpool_handle_t *zhp; 434990b4856Slling 435990b4856Slling if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { 436990b4856Slling (void) no_memory(hdl); 437990b4856Slling return (NULL); 438990b4856Slling } 439990b4856Slling 440990b4856Slling elem = NULL; 441990b4856Slling while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 442990b4856Slling const char *propname = nvpair_name(elem); 443990b4856Slling 444ad135b5dSChristopher Siden prop = zpool_name_to_prop(propname); 445ad135b5dSChristopher Siden if (prop == ZPROP_INVAL && zpool_prop_feature(propname)) { 446ad135b5dSChristopher Siden int err; 447ad135b5dSChristopher Siden char *fname = strchr(propname, '@') + 1; 448ad135b5dSChristopher Siden 4492acef22dSMatthew Ahrens err = zfeature_lookup_name(fname, NULL); 450ad135b5dSChristopher Siden if (err != 0) { 451ad135b5dSChristopher Siden ASSERT3U(err, ==, ENOENT); 452ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 453ad135b5dSChristopher Siden "invalid feature '%s'"), fname); 454ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 455ad135b5dSChristopher Siden goto error; 456ad135b5dSChristopher Siden } 457ad135b5dSChristopher Siden 458ad135b5dSChristopher Siden if (nvpair_type(elem) != DATA_TYPE_STRING) { 459ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 460ad135b5dSChristopher Siden "'%s' must be a string"), propname); 461ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 462ad135b5dSChristopher Siden goto error; 463ad135b5dSChristopher Siden } 464ad135b5dSChristopher Siden 465ad135b5dSChristopher Siden (void) nvpair_value_string(elem, &strval); 466ad135b5dSChristopher Siden if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0) { 467ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 468ad135b5dSChristopher Siden "property '%s' can only be set to " 469ad135b5dSChristopher Siden "'enabled'"), propname); 470ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 471ad135b5dSChristopher Siden goto error; 472ad135b5dSChristopher Siden } 473ad135b5dSChristopher Siden 474ad135b5dSChristopher Siden if (nvlist_add_uint64(retprops, propname, 0) != 0) { 475ad135b5dSChristopher Siden (void) no_memory(hdl); 476ad135b5dSChristopher Siden goto error; 477ad135b5dSChristopher Siden } 478ad135b5dSChristopher Siden continue; 479ad135b5dSChristopher Siden } 480ad135b5dSChristopher Siden 481990b4856Slling /* 482990b4856Slling * Make sure this property is valid and applies to this type. 483990b4856Slling */ 484ad135b5dSChristopher Siden if (prop == ZPROP_INVAL) { 485990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 486990b4856Slling "invalid property '%s'"), propname); 487990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 488990b4856Slling goto error; 489990b4856Slling } 490990b4856Slling 491990b4856Slling if (zpool_prop_readonly(prop)) { 492990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 493990b4856Slling "is readonly"), propname); 494990b4856Slling (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 495990b4856Slling goto error; 496990b4856Slling } 497990b4856Slling 498990b4856Slling if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, 499990b4856Slling &strval, &intval, errbuf) != 0) 500990b4856Slling goto error; 501990b4856Slling 502990b4856Slling /* 503990b4856Slling * Perform additional checking for specific properties. 504990b4856Slling */ 505990b4856Slling switch (prop) { 506990b4856Slling case ZPOOL_PROP_VERSION: 507ad135b5dSChristopher Siden if (intval < version || 508ad135b5dSChristopher Siden !SPA_VERSION_IS_SUPPORTED(intval)) { 509990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 510990b4856Slling "property '%s' number %d is invalid."), 511990b4856Slling propname, intval); 512990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 513990b4856Slling goto error; 514990b4856Slling } 515990b4856Slling break; 516990b4856Slling 517990b4856Slling case ZPOOL_PROP_BOOTFS: 518f9af39baSGeorge Wilson if (flags.create || flags.import) { 519990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 520990b4856Slling "property '%s' cannot be set at creation " 521990b4856Slling "or import time"), propname); 522990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 523990b4856Slling goto error; 524990b4856Slling } 525990b4856Slling 526990b4856Slling if (version < SPA_VERSION_BOOTFS) { 527990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 528990b4856Slling "pool must be upgraded to support " 529990b4856Slling "'%s' property"), propname); 530990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 531990b4856Slling goto error; 532990b4856Slling } 533990b4856Slling 534990b4856Slling /* 535990b4856Slling * bootfs property value has to be a dataset name and 536990b4856Slling * the dataset has to be in the same pool as it sets to. 537990b4856Slling */ 538990b4856Slling if (strval[0] != '\0' && !bootfs_name_valid(poolname, 539990b4856Slling strval)) { 540990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 541990b4856Slling "is an invalid name"), strval); 542990b4856Slling (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 543990b4856Slling goto error; 544990b4856Slling } 54515e6edf1Sgw 54615e6edf1Sgw if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { 54715e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 54815e6edf1Sgw "could not open pool '%s'"), poolname); 54915e6edf1Sgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 55015e6edf1Sgw goto error; 55115e6edf1Sgw } 55215e6edf1Sgw zpool_close(zhp); 553990b4856Slling break; 554990b4856Slling 5552f8aaab3Seschrock case ZPOOL_PROP_ALTROOT: 556f9af39baSGeorge Wilson if (!flags.create && !flags.import) { 557990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 558990b4856Slling "property '%s' can only be set during pool " 559990b4856Slling "creation or import"), propname); 560990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 561990b4856Slling goto error; 562990b4856Slling } 563990b4856Slling 5642f8aaab3Seschrock if (strval[0] != '/') { 565990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5662f8aaab3Seschrock "bad alternate root '%s'"), strval); 5672f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 568990b4856Slling goto error; 569990b4856Slling } 5702f8aaab3Seschrock break; 5712f8aaab3Seschrock 5722f8aaab3Seschrock case ZPOOL_PROP_CACHEFILE: 5732f8aaab3Seschrock if (strval[0] == '\0') 5742f8aaab3Seschrock break; 5752f8aaab3Seschrock 5762f8aaab3Seschrock if (strcmp(strval, "none") == 0) 5772f8aaab3Seschrock break; 578990b4856Slling 579990b4856Slling if (strval[0] != '/') { 580990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5812f8aaab3Seschrock "property '%s' must be empty, an " 5822f8aaab3Seschrock "absolute path, or 'none'"), propname); 583990b4856Slling (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 584990b4856Slling goto error; 585990b4856Slling } 586990b4856Slling 5872f8aaab3Seschrock slash = strrchr(strval, '/'); 588990b4856Slling 5892f8aaab3Seschrock if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || 5902f8aaab3Seschrock strcmp(slash, "/..") == 0) { 5912f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5922f8aaab3Seschrock "'%s' is not a valid file"), strval); 5932f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5942f8aaab3Seschrock goto error; 5952f8aaab3Seschrock } 596990b4856Slling 5972f8aaab3Seschrock *slash = '\0'; 5982f8aaab3Seschrock 5992c32020fSeschrock if (strval[0] != '\0' && 6002c32020fSeschrock (stat64(strval, &statbuf) != 0 || 6012c32020fSeschrock !S_ISDIR(statbuf.st_mode))) { 6022f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6032f8aaab3Seschrock "'%s' is not a valid directory"), 6042f8aaab3Seschrock strval); 6052f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 6062f8aaab3Seschrock goto error; 6072f8aaab3Seschrock } 6082f8aaab3Seschrock 6092f8aaab3Seschrock *slash = '/'; 6102f8aaab3Seschrock break; 611f9af39baSGeorge Wilson 6128704186eSDan McDonald case ZPOOL_PROP_COMMENT: 6138704186eSDan McDonald for (check = strval; *check != '\0'; check++) { 6148704186eSDan McDonald if (!isprint(*check)) { 6158704186eSDan McDonald zfs_error_aux(hdl, 6168704186eSDan McDonald dgettext(TEXT_DOMAIN, 6178704186eSDan McDonald "comment may only have printable " 6188704186eSDan McDonald "characters")); 6198704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, 6208704186eSDan McDonald errbuf); 6218704186eSDan McDonald goto error; 6228704186eSDan McDonald } 6238704186eSDan McDonald } 6248704186eSDan McDonald if (strlen(strval) > ZPROP_MAX_COMMENT) { 6258704186eSDan McDonald zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6268704186eSDan McDonald "comment must not exceed %d characters"), 6278704186eSDan McDonald ZPROP_MAX_COMMENT); 6288704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 6298704186eSDan McDonald goto error; 6308704186eSDan McDonald } 6318704186eSDan McDonald break; 632f9af39baSGeorge Wilson case ZPOOL_PROP_READONLY: 633f9af39baSGeorge Wilson if (!flags.import) { 634f9af39baSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 635f9af39baSGeorge Wilson "property '%s' can only be set at " 636f9af39baSGeorge Wilson "import time"), propname); 637f9af39baSGeorge Wilson (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 638f9af39baSGeorge Wilson goto error; 639f9af39baSGeorge Wilson } 640f9af39baSGeorge Wilson break; 64188f61deeSIgor Kozhukhov 64288f61deeSIgor Kozhukhov default: 64388f61deeSIgor Kozhukhov zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 64488f61deeSIgor Kozhukhov "property '%s'(%d) not defined"), propname, prop); 64588f61deeSIgor Kozhukhov break; 646990b4856Slling } 647990b4856Slling } 648990b4856Slling 649990b4856Slling return (retprops); 650990b4856Slling error: 651990b4856Slling nvlist_free(retprops); 652990b4856Slling return (NULL); 653990b4856Slling } 654990b4856Slling 655990b4856Slling /* 656990b4856Slling * Set zpool property : propname=propval. 657990b4856Slling */ 658990b4856Slling int 659990b4856Slling zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) 660990b4856Slling { 661990b4856Slling zfs_cmd_t zc = { 0 }; 662990b4856Slling int ret = -1; 663990b4856Slling char errbuf[1024]; 664990b4856Slling nvlist_t *nvl = NULL; 665990b4856Slling nvlist_t *realprops; 666990b4856Slling uint64_t version; 667f9af39baSGeorge Wilson prop_flags_t flags = { 0 }; 668990b4856Slling 669990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), 670990b4856Slling dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 671990b4856Slling zhp->zpool_name); 672990b4856Slling 673990b4856Slling if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 674990b4856Slling return (no_memory(zhp->zpool_hdl)); 675990b4856Slling 676990b4856Slling if (nvlist_add_string(nvl, propname, propval) != 0) { 677990b4856Slling nvlist_free(nvl); 678990b4856Slling return (no_memory(zhp->zpool_hdl)); 679990b4856Slling } 680990b4856Slling 681990b4856Slling version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 6820a48a24eStimh if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, 683f9af39baSGeorge Wilson zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { 684990b4856Slling nvlist_free(nvl); 685990b4856Slling return (-1); 686990b4856Slling } 687990b4856Slling 688990b4856Slling nvlist_free(nvl); 689990b4856Slling nvl = realprops; 690990b4856Slling 691990b4856Slling /* 692990b4856Slling * Execute the corresponding ioctl() to set this property. 693990b4856Slling */ 694990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 695990b4856Slling 696990b4856Slling if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { 697990b4856Slling nvlist_free(nvl); 698990b4856Slling return (-1); 699990b4856Slling } 700990b4856Slling 701990b4856Slling ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); 702990b4856Slling 703990b4856Slling zcmd_free_nvlists(&zc); 704990b4856Slling nvlist_free(nvl); 705990b4856Slling 706990b4856Slling if (ret) 707990b4856Slling (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); 708990b4856Slling else 709990b4856Slling (void) zpool_props_refresh(zhp); 710990b4856Slling 711990b4856Slling return (ret); 712990b4856Slling } 713990b4856Slling 714990b4856Slling int 715990b4856Slling zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) 716990b4856Slling { 717990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 718990b4856Slling zprop_list_t *entry; 719990b4856Slling char buf[ZFS_MAXPROPLEN]; 720ad135b5dSChristopher Siden nvlist_t *features = NULL; 721ad135b5dSChristopher Siden zprop_list_t **last; 722ad135b5dSChristopher Siden boolean_t firstexpand = (NULL == *plp); 723990b4856Slling 724990b4856Slling if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) 725990b4856Slling return (-1); 726990b4856Slling 727ad135b5dSChristopher Siden last = plp; 728ad135b5dSChristopher Siden while (*last != NULL) 729ad135b5dSChristopher Siden last = &(*last)->pl_next; 730ad135b5dSChristopher Siden 731ad135b5dSChristopher Siden if ((*plp)->pl_all) 732ad135b5dSChristopher Siden features = zpool_get_features(zhp); 733ad135b5dSChristopher Siden 734ad135b5dSChristopher Siden if ((*plp)->pl_all && firstexpand) { 735ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 736ad135b5dSChristopher Siden zprop_list_t *entry = zfs_alloc(hdl, 737ad135b5dSChristopher Siden sizeof (zprop_list_t)); 738ad135b5dSChristopher Siden entry->pl_prop = ZPROP_INVAL; 739ad135b5dSChristopher Siden entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s", 740ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 741ad135b5dSChristopher Siden entry->pl_width = strlen(entry->pl_user_prop); 742ad135b5dSChristopher Siden entry->pl_all = B_TRUE; 743ad135b5dSChristopher Siden 744ad135b5dSChristopher Siden *last = entry; 745ad135b5dSChristopher Siden last = &entry->pl_next; 746ad135b5dSChristopher Siden } 747ad135b5dSChristopher Siden } 748ad135b5dSChristopher Siden 749ad135b5dSChristopher Siden /* add any unsupported features */ 750ad135b5dSChristopher Siden for (nvpair_t *nvp = nvlist_next_nvpair(features, NULL); 751ad135b5dSChristopher Siden nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) { 752ad135b5dSChristopher Siden char *propname; 753ad135b5dSChristopher Siden boolean_t found; 754ad135b5dSChristopher Siden zprop_list_t *entry; 755ad135b5dSChristopher Siden 756ad135b5dSChristopher Siden if (zfeature_is_supported(nvpair_name(nvp))) 757ad135b5dSChristopher Siden continue; 758ad135b5dSChristopher Siden 759ad135b5dSChristopher Siden propname = zfs_asprintf(hdl, "unsupported@%s", 760ad135b5dSChristopher Siden nvpair_name(nvp)); 761ad135b5dSChristopher Siden 762ad135b5dSChristopher Siden /* 763ad135b5dSChristopher Siden * Before adding the property to the list make sure that no 764ad135b5dSChristopher Siden * other pool already added the same property. 765ad135b5dSChristopher Siden */ 766ad135b5dSChristopher Siden found = B_FALSE; 767ad135b5dSChristopher Siden entry = *plp; 768ad135b5dSChristopher Siden while (entry != NULL) { 769ad135b5dSChristopher Siden if (entry->pl_user_prop != NULL && 770ad135b5dSChristopher Siden strcmp(propname, entry->pl_user_prop) == 0) { 771ad135b5dSChristopher Siden found = B_TRUE; 772ad135b5dSChristopher Siden break; 773ad135b5dSChristopher Siden } 774ad135b5dSChristopher Siden entry = entry->pl_next; 775ad135b5dSChristopher Siden } 776ad135b5dSChristopher Siden if (found) { 777ad135b5dSChristopher Siden free(propname); 778ad135b5dSChristopher Siden continue; 779ad135b5dSChristopher Siden } 780ad135b5dSChristopher Siden 781ad135b5dSChristopher Siden entry = zfs_alloc(hdl, sizeof (zprop_list_t)); 782ad135b5dSChristopher Siden entry->pl_prop = ZPROP_INVAL; 783ad135b5dSChristopher Siden entry->pl_user_prop = propname; 784ad135b5dSChristopher Siden entry->pl_width = strlen(entry->pl_user_prop); 785ad135b5dSChristopher Siden entry->pl_all = B_TRUE; 786ad135b5dSChristopher Siden 787ad135b5dSChristopher Siden *last = entry; 788ad135b5dSChristopher Siden last = &entry->pl_next; 789ad135b5dSChristopher Siden } 790ad135b5dSChristopher Siden 791990b4856Slling for (entry = *plp; entry != NULL; entry = entry->pl_next) { 792990b4856Slling 793990b4856Slling if (entry->pl_fixed) 794990b4856Slling continue; 795990b4856Slling 796990b4856Slling if (entry->pl_prop != ZPROP_INVAL && 797990b4856Slling zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), 798c58b3526SAdam Stevko NULL, B_FALSE) == 0) { 799990b4856Slling if (strlen(buf) > entry->pl_width) 800990b4856Slling entry->pl_width = strlen(buf); 801990b4856Slling } 802990b4856Slling } 803990b4856Slling 804990b4856Slling return (0); 805990b4856Slling } 806990b4856Slling 807ad135b5dSChristopher Siden /* 808ad135b5dSChristopher Siden * Get the state for the given feature on the given ZFS pool. 809ad135b5dSChristopher Siden */ 810ad135b5dSChristopher Siden int 811ad135b5dSChristopher Siden zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf, 812ad135b5dSChristopher Siden size_t len) 813ad135b5dSChristopher Siden { 814ad135b5dSChristopher Siden uint64_t refcount; 815ad135b5dSChristopher Siden boolean_t found = B_FALSE; 816ad135b5dSChristopher Siden nvlist_t *features = zpool_get_features(zhp); 817ad135b5dSChristopher Siden boolean_t supported; 818ad135b5dSChristopher Siden const char *feature = strchr(propname, '@') + 1; 819ad135b5dSChristopher Siden 820ad135b5dSChristopher Siden supported = zpool_prop_feature(propname); 821ad135b5dSChristopher Siden ASSERT(supported || zfs_prop_unsupported(propname)); 822ad135b5dSChristopher Siden 823ad135b5dSChristopher Siden /* 824ad135b5dSChristopher Siden * Convert from feature name to feature guid. This conversion is 825ad135b5dSChristopher Siden * unecessary for unsupported@... properties because they already 826ad135b5dSChristopher Siden * use guids. 827ad135b5dSChristopher Siden */ 828ad135b5dSChristopher Siden if (supported) { 829ad135b5dSChristopher Siden int ret; 8302acef22dSMatthew Ahrens spa_feature_t fid; 831ad135b5dSChristopher Siden 8322acef22dSMatthew Ahrens ret = zfeature_lookup_name(feature, &fid); 833ad135b5dSChristopher Siden if (ret != 0) { 834ad135b5dSChristopher Siden (void) strlcpy(buf, "-", len); 835ad135b5dSChristopher Siden return (ENOTSUP); 836ad135b5dSChristopher Siden } 8372acef22dSMatthew Ahrens feature = spa_feature_table[fid].fi_guid; 838ad135b5dSChristopher Siden } 839ad135b5dSChristopher Siden 840ad135b5dSChristopher Siden if (nvlist_lookup_uint64(features, feature, &refcount) == 0) 841ad135b5dSChristopher Siden found = B_TRUE; 842ad135b5dSChristopher Siden 843ad135b5dSChristopher Siden if (supported) { 844ad135b5dSChristopher Siden if (!found) { 845ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len); 846ad135b5dSChristopher Siden } else { 847ad135b5dSChristopher Siden if (refcount == 0) 848ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len); 849ad135b5dSChristopher Siden else 850ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len); 851ad135b5dSChristopher Siden } 852ad135b5dSChristopher Siden } else { 853ad135b5dSChristopher Siden if (found) { 854ad135b5dSChristopher Siden if (refcount == 0) { 855ad135b5dSChristopher Siden (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE); 856ad135b5dSChristopher Siden } else { 857ad135b5dSChristopher Siden (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY); 858ad135b5dSChristopher Siden } 859ad135b5dSChristopher Siden } else { 860ad135b5dSChristopher Siden (void) strlcpy(buf, "-", len); 861ad135b5dSChristopher Siden return (ENOTSUP); 862ad135b5dSChristopher Siden } 863ad135b5dSChristopher Siden } 864ad135b5dSChristopher Siden 865ad135b5dSChristopher Siden return (0); 866ad135b5dSChristopher Siden } 867990b4856Slling 868573ca77eSGeorge Wilson /* 869573ca77eSGeorge Wilson * Don't start the slice at the default block of 34; many storage 870573ca77eSGeorge Wilson * devices will use a stripe width of 128k, so start there instead. 871573ca77eSGeorge Wilson */ 872573ca77eSGeorge Wilson #define NEW_START_BLOCK 256 873573ca77eSGeorge Wilson 874fa9e4066Sahrens /* 875fa9e4066Sahrens * Validate the given pool name, optionally putting an extended error message in 876fa9e4066Sahrens * 'buf'. 877fa9e4066Sahrens */ 878e7cbe64fSgw boolean_t 87999653d4eSeschrock zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) 880fa9e4066Sahrens { 881fa9e4066Sahrens namecheck_err_t why; 882fa9e4066Sahrens char what; 883b468a217Seschrock int ret; 884b468a217Seschrock 885b468a217Seschrock ret = pool_namecheck(pool, &why, &what); 886b468a217Seschrock 887b468a217Seschrock /* 888b468a217Seschrock * The rules for reserved pool names were extended at a later point. 889b468a217Seschrock * But we need to support users with existing pools that may now be 890b468a217Seschrock * invalid. So we only check for this expanded set of names during a 891b468a217Seschrock * create (or import), and only in userland. 892b468a217Seschrock */ 893b468a217Seschrock if (ret == 0 && !isopen && 894b468a217Seschrock (strncmp(pool, "mirror", 6) == 0 || 895b468a217Seschrock strncmp(pool, "raidz", 5) == 0 || 8968654d025Sperrin strncmp(pool, "spare", 5) == 0 || 8978654d025Sperrin strcmp(pool, "log") == 0)) { 898e7cbe64fSgw if (hdl != NULL) 899e7cbe64fSgw zfs_error_aux(hdl, 900e7cbe64fSgw dgettext(TEXT_DOMAIN, "name is reserved")); 90199653d4eSeschrock return (B_FALSE); 902b468a217Seschrock } 903b468a217Seschrock 904fa9e4066Sahrens 905b468a217Seschrock if (ret != 0) { 90699653d4eSeschrock if (hdl != NULL) { 907fa9e4066Sahrens switch (why) { 908b81d61a6Slling case NAME_ERR_TOOLONG: 90999653d4eSeschrock zfs_error_aux(hdl, 910b81d61a6Slling dgettext(TEXT_DOMAIN, "name is too long")); 911b81d61a6Slling break; 912b81d61a6Slling 913fa9e4066Sahrens case NAME_ERR_INVALCHAR: 91499653d4eSeschrock zfs_error_aux(hdl, 915fa9e4066Sahrens dgettext(TEXT_DOMAIN, "invalid character " 916fa9e4066Sahrens "'%c' in pool name"), what); 917fa9e4066Sahrens break; 918fa9e4066Sahrens 919fa9e4066Sahrens case NAME_ERR_NOLETTER: 92099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 92199653d4eSeschrock "name must begin with a letter")); 922fa9e4066Sahrens break; 923fa9e4066Sahrens 924fa9e4066Sahrens case NAME_ERR_RESERVED: 92599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 92699653d4eSeschrock "name is reserved")); 927fa9e4066Sahrens break; 928fa9e4066Sahrens 929fa9e4066Sahrens case NAME_ERR_DISKLIKE: 93099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 93199653d4eSeschrock "pool name is reserved")); 932fa9e4066Sahrens break; 9335ad82045Snd 9345ad82045Snd case NAME_ERR_LEADING_SLASH: 9355ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9365ad82045Snd "leading slash in name")); 9375ad82045Snd break; 9385ad82045Snd 9395ad82045Snd case NAME_ERR_EMPTY_COMPONENT: 9405ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9415ad82045Snd "empty component in name")); 9425ad82045Snd break; 9435ad82045Snd 9445ad82045Snd case NAME_ERR_TRAILING_SLASH: 9455ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9465ad82045Snd "trailing slash in name")); 9475ad82045Snd break; 9485ad82045Snd 9495ad82045Snd case NAME_ERR_MULTIPLE_AT: 9505ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9515ad82045Snd "multiple '@' delimiters in name")); 9525ad82045Snd break; 9535ad82045Snd 95488f61deeSIgor Kozhukhov default: 95588f61deeSIgor Kozhukhov zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 95688f61deeSIgor Kozhukhov "(%d) not defined"), why); 95788f61deeSIgor Kozhukhov break; 958fa9e4066Sahrens } 959fa9e4066Sahrens } 96099653d4eSeschrock return (B_FALSE); 961fa9e4066Sahrens } 962fa9e4066Sahrens 96399653d4eSeschrock return (B_TRUE); 964fa9e4066Sahrens } 965fa9e4066Sahrens 966fa9e4066Sahrens /* 967fa9e4066Sahrens * Open a handle to the given pool, even if the pool is currently in the FAULTED 968fa9e4066Sahrens * state. 969fa9e4066Sahrens */ 970fa9e4066Sahrens zpool_handle_t * 97199653d4eSeschrock zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) 972fa9e4066Sahrens { 973fa9e4066Sahrens zpool_handle_t *zhp; 97494de1d4cSeschrock boolean_t missing; 975fa9e4066Sahrens 976fa9e4066Sahrens /* 977fa9e4066Sahrens * Make sure the pool name is valid. 978fa9e4066Sahrens */ 97999653d4eSeschrock if (!zpool_name_valid(hdl, B_TRUE, pool)) { 980ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, 98199653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), 98299653d4eSeschrock pool); 983fa9e4066Sahrens return (NULL); 984fa9e4066Sahrens } 985fa9e4066Sahrens 98699653d4eSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 98799653d4eSeschrock return (NULL); 988fa9e4066Sahrens 98999653d4eSeschrock zhp->zpool_hdl = hdl; 990fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 991fa9e4066Sahrens 99294de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 99394de1d4cSeschrock zpool_close(zhp); 99494de1d4cSeschrock return (NULL); 99594de1d4cSeschrock } 99694de1d4cSeschrock 99794de1d4cSeschrock if (missing) { 998990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); 999ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_NOENT, 1000990b4856Slling dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); 100194de1d4cSeschrock zpool_close(zhp); 100294de1d4cSeschrock return (NULL); 1003fa9e4066Sahrens } 1004fa9e4066Sahrens 1005fa9e4066Sahrens return (zhp); 1006fa9e4066Sahrens } 1007fa9e4066Sahrens 1008fa9e4066Sahrens /* 1009fa9e4066Sahrens * Like the above, but silent on error. Used when iterating over pools (because 1010fa9e4066Sahrens * the configuration cache may be out of date). 1011fa9e4066Sahrens */ 101294de1d4cSeschrock int 101394de1d4cSeschrock zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) 1014fa9e4066Sahrens { 1015fa9e4066Sahrens zpool_handle_t *zhp; 101694de1d4cSeschrock boolean_t missing; 1017fa9e4066Sahrens 101894de1d4cSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 101994de1d4cSeschrock return (-1); 1020fa9e4066Sahrens 102199653d4eSeschrock zhp->zpool_hdl = hdl; 1022fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 1023fa9e4066Sahrens 102494de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 102594de1d4cSeschrock zpool_close(zhp); 102694de1d4cSeschrock return (-1); 1027fa9e4066Sahrens } 1028fa9e4066Sahrens 102994de1d4cSeschrock if (missing) { 103094de1d4cSeschrock zpool_close(zhp); 103194de1d4cSeschrock *ret = NULL; 103294de1d4cSeschrock return (0); 103394de1d4cSeschrock } 103494de1d4cSeschrock 103594de1d4cSeschrock *ret = zhp; 103694de1d4cSeschrock return (0); 1037fa9e4066Sahrens } 1038fa9e4066Sahrens 1039fa9e4066Sahrens /* 1040fa9e4066Sahrens * Similar to zpool_open_canfail(), but refuses to open pools in the faulted 1041fa9e4066Sahrens * state. 1042fa9e4066Sahrens */ 1043fa9e4066Sahrens zpool_handle_t * 104499653d4eSeschrock zpool_open(libzfs_handle_t *hdl, const char *pool) 1045fa9e4066Sahrens { 1046fa9e4066Sahrens zpool_handle_t *zhp; 1047fa9e4066Sahrens 104899653d4eSeschrock if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) 1049fa9e4066Sahrens return (NULL); 1050fa9e4066Sahrens 1051fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_UNAVAIL) { 1052ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, 105399653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); 1054fa9e4066Sahrens zpool_close(zhp); 1055fa9e4066Sahrens return (NULL); 1056fa9e4066Sahrens } 1057fa9e4066Sahrens 1058fa9e4066Sahrens return (zhp); 1059fa9e4066Sahrens } 1060fa9e4066Sahrens 1061fa9e4066Sahrens /* 1062fa9e4066Sahrens * Close the handle. Simply frees the memory associated with the handle. 1063fa9e4066Sahrens */ 1064fa9e4066Sahrens void 1065fa9e4066Sahrens zpool_close(zpool_handle_t *zhp) 1066fa9e4066Sahrens { 1067aab83bb8SJosef 'Jeff' Sipek nvlist_free(zhp->zpool_config); 1068aab83bb8SJosef 'Jeff' Sipek nvlist_free(zhp->zpool_old_config); 1069aab83bb8SJosef 'Jeff' Sipek nvlist_free(zhp->zpool_props); 1070fa9e4066Sahrens free(zhp); 1071fa9e4066Sahrens } 1072fa9e4066Sahrens 1073fa9e4066Sahrens /* 1074fa9e4066Sahrens * Return the name of the pool. 1075fa9e4066Sahrens */ 1076fa9e4066Sahrens const char * 1077fa9e4066Sahrens zpool_get_name(zpool_handle_t *zhp) 1078fa9e4066Sahrens { 1079fa9e4066Sahrens return (zhp->zpool_name); 1080fa9e4066Sahrens } 1081fa9e4066Sahrens 1082fa9e4066Sahrens 1083fa9e4066Sahrens /* 1084fa9e4066Sahrens * Return the state of the pool (ACTIVE or UNAVAILABLE) 1085fa9e4066Sahrens */ 1086fa9e4066Sahrens int 1087fa9e4066Sahrens zpool_get_state(zpool_handle_t *zhp) 1088fa9e4066Sahrens { 1089fa9e4066Sahrens return (zhp->zpool_state); 1090fa9e4066Sahrens } 1091fa9e4066Sahrens 1092fa9e4066Sahrens /* 1093fa9e4066Sahrens * Create the named pool, using the provided vdev list. It is assumed 1094fa9e4066Sahrens * that the consumer has already validated the contents of the nvlist, so we 1095fa9e4066Sahrens * don't have to worry about error semantics. 1096fa9e4066Sahrens */ 1097fa9e4066Sahrens int 109899653d4eSeschrock zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, 10990a48a24eStimh nvlist_t *props, nvlist_t *fsprops) 1100fa9e4066Sahrens { 1101fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 11020a48a24eStimh nvlist_t *zc_fsprops = NULL; 11030a48a24eStimh nvlist_t *zc_props = NULL; 110499653d4eSeschrock char msg[1024]; 11050a48a24eStimh int ret = -1; 1106fa9e4066Sahrens 110799653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 110899653d4eSeschrock "cannot create '%s'"), pool); 1109fa9e4066Sahrens 111099653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, pool)) 111199653d4eSeschrock return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 1112fa9e4066Sahrens 1113351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 1114990b4856Slling return (-1); 1115fa9e4066Sahrens 11160a48a24eStimh if (props) { 1117f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; 1118f9af39baSGeorge Wilson 11190a48a24eStimh if ((zc_props = zpool_valid_proplist(hdl, pool, props, 1120f9af39baSGeorge Wilson SPA_VERSION_1, flags, msg)) == NULL) { 11210a48a24eStimh goto create_failed; 11220a48a24eStimh } 11230a48a24eStimh } 112499653d4eSeschrock 11250a48a24eStimh if (fsprops) { 11260a48a24eStimh uint64_t zoned; 11270a48a24eStimh char *zonestr; 11280a48a24eStimh 11290a48a24eStimh zoned = ((nvlist_lookup_string(fsprops, 11300a48a24eStimh zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && 11310a48a24eStimh strcmp(zonestr, "on") == 0); 11320a48a24eStimh 1133e9316f76SJoe Stein if ((zc_fsprops = zfs_valid_proplist(hdl, ZFS_TYPE_FILESYSTEM, 1134e9316f76SJoe Stein fsprops, zoned, NULL, NULL, msg)) == NULL) { 11350a48a24eStimh goto create_failed; 11360a48a24eStimh } 11370a48a24eStimh if (!zc_props && 11380a48a24eStimh (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { 11390a48a24eStimh goto create_failed; 11400a48a24eStimh } 11410a48a24eStimh if (nvlist_add_nvlist(zc_props, 11420a48a24eStimh ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { 11430a48a24eStimh goto create_failed; 11440a48a24eStimh } 1145351420b3Slling } 1146fa9e4066Sahrens 11470a48a24eStimh if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 11480a48a24eStimh goto create_failed; 11490a48a24eStimh 1150990b4856Slling (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); 1151fa9e4066Sahrens 11520a48a24eStimh if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { 1153351420b3Slling 1154e9dbad6fSeschrock zcmd_free_nvlists(&zc); 11550a48a24eStimh nvlist_free(zc_props); 11560a48a24eStimh nvlist_free(zc_fsprops); 1157fa9e4066Sahrens 115899653d4eSeschrock switch (errno) { 1159fa9e4066Sahrens case EBUSY: 1160fa9e4066Sahrens /* 1161fa9e4066Sahrens * This can happen if the user has specified the same 1162fa9e4066Sahrens * device multiple times. We can't reliably detect this 1163fa9e4066Sahrens * until we try to add it and see we already have a 1164fa9e4066Sahrens * label. 1165fa9e4066Sahrens */ 116699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 116799653d4eSeschrock "one or more vdevs refer to the same device")); 116899653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1169fa9e4066Sahrens 1170e9316f76SJoe Stein case ERANGE: 1171e9316f76SJoe Stein /* 1172e9316f76SJoe Stein * This happens if the record size is smaller or larger 1173e9316f76SJoe Stein * than the allowed size range, or not a power of 2. 1174e9316f76SJoe Stein * 1175e9316f76SJoe Stein * NOTE: although zfs_valid_proplist is called earlier, 1176e9316f76SJoe Stein * this case may have slipped through since the 1177e9316f76SJoe Stein * pool does not exist yet and it is therefore 1178e9316f76SJoe Stein * impossible to read properties e.g. max blocksize 1179e9316f76SJoe Stein * from the pool. 1180e9316f76SJoe Stein */ 1181e9316f76SJoe Stein zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1182e9316f76SJoe Stein "record size invalid")); 1183e9316f76SJoe Stein return (zfs_error(hdl, EZFS_BADPROP, msg)); 1184e9316f76SJoe Stein 1185fa9e4066Sahrens case EOVERFLOW: 1186fa9e4066Sahrens /* 118799653d4eSeschrock * This occurs when one of the devices is below 1188fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1189fa9e4066Sahrens * device was the problem device since there's no 1190fa9e4066Sahrens * reliable way to determine device size from userland. 1191fa9e4066Sahrens */ 1192fa9e4066Sahrens { 1193fa9e4066Sahrens char buf[64]; 1194fa9e4066Sahrens 1195fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1196fa9e4066Sahrens 119799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 119899653d4eSeschrock "one or more devices is less than the " 119999653d4eSeschrock "minimum size (%s)"), buf); 1200fa9e4066Sahrens } 120199653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1202fa9e4066Sahrens 1203fa9e4066Sahrens case ENOSPC: 120499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 120599653d4eSeschrock "one or more devices is out of space")); 120699653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1207fa9e4066Sahrens 1208fa94a07fSbrendan case ENOTBLK: 1209fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1210fa94a07fSbrendan "cache device must be a disk or disk slice")); 1211fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADDEV, msg)); 1212fa94a07fSbrendan 1213fa9e4066Sahrens default: 121499653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1215fa9e4066Sahrens } 1216fa9e4066Sahrens } 1217fa9e4066Sahrens 12180a48a24eStimh create_failed: 1219351420b3Slling zcmd_free_nvlists(&zc); 12200a48a24eStimh nvlist_free(zc_props); 12210a48a24eStimh nvlist_free(zc_fsprops); 12220a48a24eStimh return (ret); 1223fa9e4066Sahrens } 1224fa9e4066Sahrens 1225fa9e4066Sahrens /* 1226fa9e4066Sahrens * Destroy the given pool. It is up to the caller to ensure that there are no 1227fa9e4066Sahrens * datasets left in the pool. 1228fa9e4066Sahrens */ 1229fa9e4066Sahrens int 12304445fffbSMatthew Ahrens zpool_destroy(zpool_handle_t *zhp, const char *log_str) 1231fa9e4066Sahrens { 1232fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1233fa9e4066Sahrens zfs_handle_t *zfp = NULL; 123499653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 123599653d4eSeschrock char msg[1024]; 1236fa9e4066Sahrens 1237fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_ACTIVE && 1238cb04b873SMark J Musante (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) 1239fa9e4066Sahrens return (-1); 1240fa9e4066Sahrens 1241fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 12424445fffbSMatthew Ahrens zc.zc_history = (uint64_t)(uintptr_t)log_str; 1243fa9e4066Sahrens 1244cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { 124599653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 124699653d4eSeschrock "cannot destroy '%s'"), zhp->zpool_name); 1247fa9e4066Sahrens 124899653d4eSeschrock if (errno == EROFS) { 124999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 125099653d4eSeschrock "one or more devices is read only")); 125199653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 125299653d4eSeschrock } else { 125399653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1254fa9e4066Sahrens } 1255fa9e4066Sahrens 1256fa9e4066Sahrens if (zfp) 1257fa9e4066Sahrens zfs_close(zfp); 1258fa9e4066Sahrens return (-1); 1259fa9e4066Sahrens } 1260fa9e4066Sahrens 1261fa9e4066Sahrens if (zfp) { 1262fa9e4066Sahrens remove_mountpoint(zfp); 1263fa9e4066Sahrens zfs_close(zfp); 1264fa9e4066Sahrens } 1265fa9e4066Sahrens 1266fa9e4066Sahrens return (0); 1267fa9e4066Sahrens } 1268fa9e4066Sahrens 1269fa9e4066Sahrens /* 1270fa9e4066Sahrens * Add the given vdevs to the pool. The caller must have already performed the 1271fa9e4066Sahrens * necessary verification to ensure that the vdev specification is well-formed. 1272fa9e4066Sahrens */ 1273fa9e4066Sahrens int 1274fa9e4066Sahrens zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) 1275fa9e4066Sahrens { 1276e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 127799653d4eSeschrock int ret; 127899653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 127999653d4eSeschrock char msg[1024]; 1280fa94a07fSbrendan nvlist_t **spares, **l2cache; 1281fa94a07fSbrendan uint_t nspares, nl2cache; 128299653d4eSeschrock 128399653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 128499653d4eSeschrock "cannot add to '%s'"), zhp->zpool_name); 128599653d4eSeschrock 1286fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1287fa94a07fSbrendan SPA_VERSION_SPARES && 128899653d4eSeschrock nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 128999653d4eSeschrock &spares, &nspares) == 0) { 129099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 129199653d4eSeschrock "upgraded to add hot spares")); 129299653d4eSeschrock return (zfs_error(hdl, EZFS_BADVERSION, msg)); 129399653d4eSeschrock } 1294fa9e4066Sahrens 1295fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1296fa94a07fSbrendan SPA_VERSION_L2CACHE && 1297fa94a07fSbrendan nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 1298fa94a07fSbrendan &l2cache, &nl2cache) == 0) { 1299fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 1300fa94a07fSbrendan "upgraded to add cache devices")); 1301fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADVERSION, msg)); 1302fa94a07fSbrendan } 1303fa94a07fSbrendan 1304990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 130599653d4eSeschrock return (-1); 1306fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1307fa9e4066Sahrens 1308cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { 1309fa9e4066Sahrens switch (errno) { 1310fa9e4066Sahrens case EBUSY: 1311fa9e4066Sahrens /* 1312fa9e4066Sahrens * This can happen if the user has specified the same 1313fa9e4066Sahrens * device multiple times. We can't reliably detect this 1314fa9e4066Sahrens * until we try to add it and see we already have a 1315fa9e4066Sahrens * label. 1316fa9e4066Sahrens */ 131799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 131899653d4eSeschrock "one or more vdevs refer to the same device")); 131999653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1320fa9e4066Sahrens break; 1321fa9e4066Sahrens 1322fa9e4066Sahrens case EOVERFLOW: 1323fa9e4066Sahrens /* 1324fa9e4066Sahrens * This occurrs when one of the devices is below 1325fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1326fa9e4066Sahrens * device was the problem device since there's no 1327fa9e4066Sahrens * reliable way to determine device size from userland. 1328fa9e4066Sahrens */ 1329fa9e4066Sahrens { 1330fa9e4066Sahrens char buf[64]; 1331fa9e4066Sahrens 1332fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1333fa9e4066Sahrens 133499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 133599653d4eSeschrock "device is less than the minimum " 133699653d4eSeschrock "size (%s)"), buf); 1337fa9e4066Sahrens } 133899653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 133999653d4eSeschrock break; 134099653d4eSeschrock 134199653d4eSeschrock case ENOTSUP: 134299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 13438654d025Sperrin "pool must be upgraded to add these vdevs")); 134499653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, msg); 1345fa9e4066Sahrens break; 1346fa9e4066Sahrens 1347b1b8ab34Slling case EDOM: 1348b1b8ab34Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 13498654d025Sperrin "root pool can not have multiple vdevs" 13508654d025Sperrin " or separate logs")); 1351b1b8ab34Slling (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); 1352b1b8ab34Slling break; 1353b1b8ab34Slling 1354fa94a07fSbrendan case ENOTBLK: 1355fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1356fa94a07fSbrendan "cache device must be a disk or disk slice")); 1357fa94a07fSbrendan (void) zfs_error(hdl, EZFS_BADDEV, msg); 1358fa94a07fSbrendan break; 1359fa94a07fSbrendan 1360fa9e4066Sahrens default: 136199653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1362fa9e4066Sahrens } 1363fa9e4066Sahrens 136499653d4eSeschrock ret = -1; 136599653d4eSeschrock } else { 136699653d4eSeschrock ret = 0; 1367fa9e4066Sahrens } 1368fa9e4066Sahrens 1369e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1370fa9e4066Sahrens 137199653d4eSeschrock return (ret); 1372fa9e4066Sahrens } 1373fa9e4066Sahrens 1374fa9e4066Sahrens /* 1375fa9e4066Sahrens * Exports the pool from the system. The caller must ensure that there are no 1376fa9e4066Sahrens * mounted datasets in the pool. 1377fa9e4066Sahrens */ 13784445fffbSMatthew Ahrens static int 13794445fffbSMatthew Ahrens zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce, 13804445fffbSMatthew Ahrens const char *log_str) 1381fa9e4066Sahrens { 1382fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 138389a89ebfSlling char msg[1024]; 1384fa9e4066Sahrens 138589a89ebfSlling (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 138689a89ebfSlling "cannot export '%s'"), zhp->zpool_name); 138789a89ebfSlling 1388fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 138989a89ebfSlling zc.zc_cookie = force; 1390394ab0cbSGeorge Wilson zc.zc_guid = hardforce; 13914445fffbSMatthew Ahrens zc.zc_history = (uint64_t)(uintptr_t)log_str; 139289a89ebfSlling 139389a89ebfSlling if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { 139489a89ebfSlling switch (errno) { 139589a89ebfSlling case EXDEV: 139689a89ebfSlling zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, 139789a89ebfSlling "use '-f' to override the following errors:\n" 139889a89ebfSlling "'%s' has an active shared spare which could be" 139989a89ebfSlling " used by other pools once '%s' is exported."), 140089a89ebfSlling zhp->zpool_name, zhp->zpool_name); 140189a89ebfSlling return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, 140289a89ebfSlling msg)); 140389a89ebfSlling default: 140489a89ebfSlling return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, 140589a89ebfSlling msg)); 140689a89ebfSlling } 140789a89ebfSlling } 1408fa9e4066Sahrens 1409fa9e4066Sahrens return (0); 1410fa9e4066Sahrens } 1411fa9e4066Sahrens 1412394ab0cbSGeorge Wilson int 14134445fffbSMatthew Ahrens zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str) 1414394ab0cbSGeorge Wilson { 14154445fffbSMatthew Ahrens return (zpool_export_common(zhp, force, B_FALSE, log_str)); 1416394ab0cbSGeorge Wilson } 1417394ab0cbSGeorge Wilson 1418394ab0cbSGeorge Wilson int 14194445fffbSMatthew Ahrens zpool_export_force(zpool_handle_t *zhp, const char *log_str) 1420394ab0cbSGeorge Wilson { 14214445fffbSMatthew Ahrens return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str)); 1422394ab0cbSGeorge Wilson } 1423394ab0cbSGeorge Wilson 1424468c413aSTim Haley static void 1425468c413aSTim Haley zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, 14264b964adaSGeorge Wilson nvlist_t *config) 1427468c413aSTim Haley { 14284b964adaSGeorge Wilson nvlist_t *nv = NULL; 1429468c413aSTim Haley uint64_t rewindto; 1430468c413aSTim Haley int64_t loss = -1; 1431468c413aSTim Haley struct tm t; 1432468c413aSTim Haley char timestr[128]; 1433468c413aSTim Haley 14344b964adaSGeorge Wilson if (!hdl->libzfs_printerr || config == NULL) 14354b964adaSGeorge Wilson return; 14364b964adaSGeorge Wilson 1437ad135b5dSChristopher Siden if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 1438ad135b5dSChristopher Siden nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) { 1439468c413aSTim Haley return; 1440ad135b5dSChristopher Siden } 1441468c413aSTim Haley 14424b964adaSGeorge Wilson if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1443468c413aSTim Haley return; 14444b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 1445468c413aSTim Haley 1446468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1447468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1448468c413aSTim Haley if (dryrun) { 1449468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1450468c413aSTim Haley "Would be able to return %s " 1451468c413aSTim Haley "to its state as of %s.\n"), 1452468c413aSTim Haley name, timestr); 1453468c413aSTim Haley } else { 1454468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1455468c413aSTim Haley "Pool %s returned to its state as of %s.\n"), 1456468c413aSTim Haley name, timestr); 1457468c413aSTim Haley } 1458468c413aSTim Haley if (loss > 120) { 1459468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1460468c413aSTim Haley "%s approximately %lld "), 1461468c413aSTim Haley dryrun ? "Would discard" : "Discarded", 1462468c413aSTim Haley (loss + 30) / 60); 1463468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1464468c413aSTim Haley "minutes of transactions.\n")); 1465468c413aSTim Haley } else if (loss > 0) { 1466468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1467468c413aSTim Haley "%s approximately %lld "), 1468468c413aSTim Haley dryrun ? "Would discard" : "Discarded", loss); 1469468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1470468c413aSTim Haley "seconds of transactions.\n")); 1471468c413aSTim Haley } 1472468c413aSTim Haley } 1473468c413aSTim Haley } 1474468c413aSTim Haley 1475468c413aSTim Haley void 1476468c413aSTim Haley zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, 1477468c413aSTim Haley nvlist_t *config) 1478468c413aSTim Haley { 14794b964adaSGeorge Wilson nvlist_t *nv = NULL; 1480468c413aSTim Haley int64_t loss = -1; 1481468c413aSTim Haley uint64_t edata = UINT64_MAX; 1482468c413aSTim Haley uint64_t rewindto; 1483468c413aSTim Haley struct tm t; 1484468c413aSTim Haley char timestr[128]; 1485468c413aSTim Haley 1486468c413aSTim Haley if (!hdl->libzfs_printerr) 1487468c413aSTim Haley return; 1488468c413aSTim Haley 1489468c413aSTim Haley if (reason >= 0) 1490468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "action: ")); 1491468c413aSTim Haley else 1492468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "\t")); 1493468c413aSTim Haley 1494468c413aSTim Haley /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ 14954b964adaSGeorge Wilson if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 1496ad135b5dSChristopher Siden nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 || 14974b964adaSGeorge Wilson nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1498468c413aSTim Haley goto no_info; 1499468c413aSTim Haley 15004b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 15014b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, 1502468c413aSTim Haley &edata); 1503468c413aSTim Haley 1504468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1505468c413aSTim Haley "Recovery is possible, but will result in some data loss.\n")); 1506468c413aSTim Haley 1507468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1508468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1509468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1510468c413aSTim Haley "\tReturning the pool to its state as of %s\n" 1511468c413aSTim Haley "\tshould correct the problem. "), 1512468c413aSTim Haley timestr); 1513468c413aSTim Haley } else { 1514468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1515468c413aSTim Haley "\tReverting the pool to an earlier state " 1516468c413aSTim Haley "should correct the problem.\n\t")); 1517468c413aSTim Haley } 1518468c413aSTim Haley 1519468c413aSTim Haley if (loss > 120) { 1520468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1521468c413aSTim Haley "Approximately %lld minutes of data\n" 1522468c413aSTim Haley "\tmust be discarded, irreversibly. "), (loss + 30) / 60); 1523468c413aSTim Haley } else if (loss > 0) { 1524468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1525468c413aSTim Haley "Approximately %lld seconds of data\n" 1526468c413aSTim Haley "\tmust be discarded, irreversibly. "), loss); 1527468c413aSTim Haley } 1528468c413aSTim Haley if (edata != 0 && edata != UINT64_MAX) { 1529468c413aSTim Haley if (edata == 1) { 1530468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1531468c413aSTim Haley "After rewind, at least\n" 1532468c413aSTim Haley "\tone persistent user-data error will remain. ")); 1533468c413aSTim Haley } else { 1534468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1535468c413aSTim Haley "After rewind, several\n" 1536468c413aSTim Haley "\tpersistent user-data errors will remain. ")); 1537468c413aSTim Haley } 1538468c413aSTim Haley } 1539468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1540a33cae98STim Haley "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), 1541a33cae98STim Haley reason >= 0 ? "clear" : "import", name); 1542468c413aSTim Haley 1543468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1544468c413aSTim Haley "A scrub of the pool\n" 1545468c413aSTim Haley "\tis strongly recommended after recovery.\n")); 1546468c413aSTim Haley return; 1547468c413aSTim Haley 1548468c413aSTim Haley no_info: 1549468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1550468c413aSTim Haley "Destroy and re-create the pool from\n\ta backup source.\n")); 1551468c413aSTim Haley } 1552468c413aSTim Haley 1553fa9e4066Sahrens /* 1554990b4856Slling * zpool_import() is a contracted interface. Should be kept the same 1555990b4856Slling * if possible. 1556990b4856Slling * 1557990b4856Slling * Applications should use zpool_import_props() to import a pool with 1558990b4856Slling * new properties value to be set. 1559fa9e4066Sahrens */ 1560fa9e4066Sahrens int 156199653d4eSeschrock zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 1562990b4856Slling char *altroot) 1563990b4856Slling { 1564990b4856Slling nvlist_t *props = NULL; 1565990b4856Slling int ret; 1566990b4856Slling 1567990b4856Slling if (altroot != NULL) { 1568990b4856Slling if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { 1569990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1570990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1571990b4856Slling newname)); 1572990b4856Slling } 1573990b4856Slling 1574990b4856Slling if (nvlist_add_string(props, 1575352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || 1576352d8027SGeorge Wilson nvlist_add_string(props, 1577352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { 1578990b4856Slling nvlist_free(props); 1579990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1580990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1581990b4856Slling newname)); 1582990b4856Slling } 1583990b4856Slling } 1584990b4856Slling 15854b964adaSGeorge Wilson ret = zpool_import_props(hdl, config, newname, props, 15864b964adaSGeorge Wilson ZFS_IMPORT_NORMAL); 1587aab83bb8SJosef 'Jeff' Sipek nvlist_free(props); 1588990b4856Slling return (ret); 1589990b4856Slling } 1590990b4856Slling 15914b964adaSGeorge Wilson static void 15924b964adaSGeorge Wilson print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, 15934b964adaSGeorge Wilson int indent) 15944b964adaSGeorge Wilson { 15954b964adaSGeorge Wilson nvlist_t **child; 15964b964adaSGeorge Wilson uint_t c, children; 15974b964adaSGeorge Wilson char *vname; 15984b964adaSGeorge Wilson uint64_t is_log = 0; 15994b964adaSGeorge Wilson 16004b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, 16014b964adaSGeorge Wilson &is_log); 16024b964adaSGeorge Wilson 16034b964adaSGeorge Wilson if (name != NULL) 16044b964adaSGeorge Wilson (void) printf("\t%*s%s%s\n", indent, "", name, 16054b964adaSGeorge Wilson is_log ? " [log]" : ""); 16064b964adaSGeorge Wilson 16074b964adaSGeorge Wilson if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 16084b964adaSGeorge Wilson &child, &children) != 0) 16094b964adaSGeorge Wilson return; 16104b964adaSGeorge Wilson 16114b964adaSGeorge Wilson for (c = 0; c < children; c++) { 16124b964adaSGeorge Wilson vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); 16134b964adaSGeorge Wilson print_vdev_tree(hdl, vname, child[c], indent + 2); 16144b964adaSGeorge Wilson free(vname); 16154b964adaSGeorge Wilson } 16164b964adaSGeorge Wilson } 16174b964adaSGeorge Wilson 1618ad135b5dSChristopher Siden void 1619ad135b5dSChristopher Siden zpool_print_unsup_feat(nvlist_t *config) 1620ad135b5dSChristopher Siden { 1621ad135b5dSChristopher Siden nvlist_t *nvinfo, *unsup_feat; 1622ad135b5dSChristopher Siden 1623ad135b5dSChristopher Siden verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 1624ad135b5dSChristopher Siden 0); 1625ad135b5dSChristopher Siden verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT, 1626ad135b5dSChristopher Siden &unsup_feat) == 0); 1627ad135b5dSChristopher Siden 1628ad135b5dSChristopher Siden for (nvpair_t *nvp = nvlist_next_nvpair(unsup_feat, NULL); nvp != NULL; 1629ad135b5dSChristopher Siden nvp = nvlist_next_nvpair(unsup_feat, nvp)) { 1630ad135b5dSChristopher Siden char *desc; 1631ad135b5dSChristopher Siden 1632ad135b5dSChristopher Siden verify(nvpair_type(nvp) == DATA_TYPE_STRING); 1633ad135b5dSChristopher Siden verify(nvpair_value_string(nvp, &desc) == 0); 1634ad135b5dSChristopher Siden 1635ad135b5dSChristopher Siden if (strlen(desc) > 0) 1636ad135b5dSChristopher Siden (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc); 1637ad135b5dSChristopher Siden else 1638ad135b5dSChristopher Siden (void) printf("\t%s\n", nvpair_name(nvp)); 1639ad135b5dSChristopher Siden } 1640ad135b5dSChristopher Siden } 1641ad135b5dSChristopher Siden 1642990b4856Slling /* 1643990b4856Slling * Import the given pool using the known configuration and a list of 1644990b4856Slling * properties to be set. The configuration should have come from 1645990b4856Slling * zpool_find_import(). The 'newname' parameters control whether the pool 1646990b4856Slling * is imported with a different name. 1647990b4856Slling */ 1648990b4856Slling int 1649990b4856Slling zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 16504b964adaSGeorge Wilson nvlist_t *props, int flags) 1651fa9e4066Sahrens { 1652e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 1653468c413aSTim Haley zpool_rewind_policy_t policy; 16544b964adaSGeorge Wilson nvlist_t *nv = NULL; 16554b964adaSGeorge Wilson nvlist_t *nvinfo = NULL; 16564b964adaSGeorge Wilson nvlist_t *missing = NULL; 1657fa9e4066Sahrens char *thename; 1658fa9e4066Sahrens char *origname; 1659fa9e4066Sahrens int ret; 16604b964adaSGeorge Wilson int error = 0; 1661990b4856Slling char errbuf[1024]; 1662fa9e4066Sahrens 1663fa9e4066Sahrens verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1664fa9e4066Sahrens &origname) == 0); 1665fa9e4066Sahrens 1666990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 1667990b4856Slling "cannot import pool '%s'"), origname); 1668990b4856Slling 1669fa9e4066Sahrens if (newname != NULL) { 167099653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, newname)) 1671ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, 167299653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot import '%s'"), 167399653d4eSeschrock newname)); 1674fa9e4066Sahrens thename = (char *)newname; 1675fa9e4066Sahrens } else { 1676fa9e4066Sahrens thename = origname; 1677fa9e4066Sahrens } 1678fa9e4066Sahrens 1679078266a5SMarcel Telka if (props != NULL) { 1680990b4856Slling uint64_t version; 1681f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 1682fa9e4066Sahrens 1683990b4856Slling verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 1684990b4856Slling &version) == 0); 1685fa9e4066Sahrens 16860a48a24eStimh if ((props = zpool_valid_proplist(hdl, origname, 1687078266a5SMarcel Telka props, version, flags, errbuf)) == NULL) 1688990b4856Slling return (-1); 1689078266a5SMarcel Telka if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { 1690351420b3Slling nvlist_free(props); 1691990b4856Slling return (-1); 1692351420b3Slling } 1693078266a5SMarcel Telka nvlist_free(props); 1694990b4856Slling } 1695990b4856Slling 1696990b4856Slling (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); 1697fa9e4066Sahrens 1698fa9e4066Sahrens verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1699ea8dc4b6Seschrock &zc.zc_guid) == 0); 1700fa9e4066Sahrens 1701351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { 1702078266a5SMarcel Telka zcmd_free_nvlists(&zc); 170399653d4eSeschrock return (-1); 1704351420b3Slling } 170557f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { 1706078266a5SMarcel Telka zcmd_free_nvlists(&zc); 1707468c413aSTim Haley return (-1); 1708468c413aSTim Haley } 1709fa9e4066Sahrens 17104b964adaSGeorge Wilson zc.zc_cookie = flags; 17114b964adaSGeorge Wilson while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && 17124b964adaSGeorge Wilson errno == ENOMEM) { 17134b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 17144b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 17154b964adaSGeorge Wilson return (-1); 17164b964adaSGeorge Wilson } 17174b964adaSGeorge Wilson } 17184b964adaSGeorge Wilson if (ret != 0) 17194b964adaSGeorge Wilson error = errno; 17204b964adaSGeorge Wilson 17214b964adaSGeorge Wilson (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); 1722078266a5SMarcel Telka 1723078266a5SMarcel Telka zcmd_free_nvlists(&zc); 1724078266a5SMarcel Telka 17254b964adaSGeorge Wilson zpool_get_rewind_policy(config, &policy); 17264b964adaSGeorge Wilson 17274b964adaSGeorge Wilson if (error) { 1728fa9e4066Sahrens char desc[1024]; 1729468c413aSTim Haley 1730468c413aSTim Haley /* 1731468c413aSTim Haley * Dry-run failed, but we print out what success 1732468c413aSTim Haley * looks like if we found a best txg 1733468c413aSTim Haley */ 17344b964adaSGeorge Wilson if (policy.zrp_request & ZPOOL_TRY_REWIND) { 1735468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 17364b964adaSGeorge Wilson B_TRUE, nv); 17374b964adaSGeorge Wilson nvlist_free(nv); 1738468c413aSTim Haley return (-1); 1739468c413aSTim Haley } 1740468c413aSTim Haley 1741fa9e4066Sahrens if (newname == NULL) 1742fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1743fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1744fa9e4066Sahrens thename); 1745fa9e4066Sahrens else 1746fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1747fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), 1748fa9e4066Sahrens origname, thename); 1749fa9e4066Sahrens 17504b964adaSGeorge Wilson switch (error) { 1751ea8dc4b6Seschrock case ENOTSUP: 1752ad135b5dSChristopher Siden if (nv != NULL && nvlist_lookup_nvlist(nv, 1753ad135b5dSChristopher Siden ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 1754ad135b5dSChristopher Siden nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) { 1755ad135b5dSChristopher Siden (void) printf(dgettext(TEXT_DOMAIN, "This " 1756ad135b5dSChristopher Siden "pool uses the following feature(s) not " 1757ad135b5dSChristopher Siden "supported by this system:\n")); 1758ad135b5dSChristopher Siden zpool_print_unsup_feat(nv); 1759ad135b5dSChristopher Siden if (nvlist_exists(nvinfo, 1760ad135b5dSChristopher Siden ZPOOL_CONFIG_CAN_RDONLY)) { 1761ad135b5dSChristopher Siden (void) printf(dgettext(TEXT_DOMAIN, 1762ad135b5dSChristopher Siden "All unsupported features are only " 1763ad135b5dSChristopher Siden "required for writing to the pool." 1764ad135b5dSChristopher Siden "\nThe pool can be imported using " 1765ad135b5dSChristopher Siden "'-o readonly=on'.\n")); 1766ad135b5dSChristopher Siden } 1767ad135b5dSChristopher Siden } 1768ea8dc4b6Seschrock /* 1769ea8dc4b6Seschrock * Unsupported version. 1770ea8dc4b6Seschrock */ 177199653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, desc); 1772ea8dc4b6Seschrock break; 1773ea8dc4b6Seschrock 1774b5989ec7Seschrock case EINVAL: 1775b5989ec7Seschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); 1776b5989ec7Seschrock break; 1777b5989ec7Seschrock 177854a91118SChris Kirby case EROFS: 177954a91118SChris Kirby zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 178054a91118SChris Kirby "one or more devices is read only")); 178154a91118SChris Kirby (void) zfs_error(hdl, EZFS_BADDEV, desc); 178254a91118SChris Kirby break; 178354a91118SChris Kirby 17844b964adaSGeorge Wilson case ENXIO: 17854b964adaSGeorge Wilson if (nv && nvlist_lookup_nvlist(nv, 17864b964adaSGeorge Wilson ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 17874b964adaSGeorge Wilson nvlist_lookup_nvlist(nvinfo, 17884b964adaSGeorge Wilson ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { 17894b964adaSGeorge Wilson (void) printf(dgettext(TEXT_DOMAIN, 17904b964adaSGeorge Wilson "The devices below are missing, use " 17914b964adaSGeorge Wilson "'-m' to import the pool anyway:\n")); 17924b964adaSGeorge Wilson print_vdev_tree(hdl, NULL, missing, 2); 17934b964adaSGeorge Wilson (void) printf("\n"); 17944b964adaSGeorge Wilson } 17954b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 17964b964adaSGeorge Wilson break; 17974b964adaSGeorge Wilson 17984b964adaSGeorge Wilson case EEXIST: 17994b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 18004b964adaSGeorge Wilson break; 1801c971037bSPaul Dagnelie case ENAMETOOLONG: 1802c971037bSPaul Dagnelie zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1803c971037bSPaul Dagnelie "new name of at least one dataset is longer than " 1804c971037bSPaul Dagnelie "the maximum allowable length")); 1805c971037bSPaul Dagnelie (void) zfs_error(hdl, EZFS_NAMETOOLONG, desc); 1806c971037bSPaul Dagnelie break; 1807fa9e4066Sahrens default: 18084b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 1809468c413aSTim Haley zpool_explain_recover(hdl, 18104b964adaSGeorge Wilson newname ? origname : thename, -error, nv); 1811468c413aSTim Haley break; 1812fa9e4066Sahrens } 1813fa9e4066Sahrens 18144b964adaSGeorge Wilson nvlist_free(nv); 1815fa9e4066Sahrens ret = -1; 1816fa9e4066Sahrens } else { 1817fa9e4066Sahrens zpool_handle_t *zhp; 1818ecd6cf80Smarks 1819fa9e4066Sahrens /* 1820fa9e4066Sahrens * This should never fail, but play it safe anyway. 1821fa9e4066Sahrens */ 1822681d9761SEric Taylor if (zpool_open_silent(hdl, thename, &zhp) != 0) 182394de1d4cSeschrock ret = -1; 1824681d9761SEric Taylor else if (zhp != NULL) 1825fa9e4066Sahrens zpool_close(zhp); 1826468c413aSTim Haley if (policy.zrp_request & 1827468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 1828468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 18294b964adaSGeorge Wilson ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); 1830468c413aSTim Haley } 18314b964adaSGeorge Wilson nvlist_free(nv); 1832468c413aSTim Haley return (0); 1833fa9e4066Sahrens } 1834fa9e4066Sahrens 1835fa9e4066Sahrens return (ret); 1836fa9e4066Sahrens } 1837fa9e4066Sahrens 1838fa9e4066Sahrens /* 18393f9d6ad7SLin Ling * Scan the pool. 1840fa9e4066Sahrens */ 1841fa9e4066Sahrens int 18423f9d6ad7SLin Ling zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) 1843fa9e4066Sahrens { 1844fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1845fa9e4066Sahrens char msg[1024]; 184699653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1847fa9e4066Sahrens 1848fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 18493f9d6ad7SLin Ling zc.zc_cookie = func; 1850fa9e4066Sahrens 1851cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || 18523f9d6ad7SLin Ling (errno == ENOENT && func != POOL_SCAN_NONE)) 1853fa9e4066Sahrens return (0); 1854fa9e4066Sahrens 18553f9d6ad7SLin Ling if (func == POOL_SCAN_SCRUB) { 18563f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 18573f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); 18583f9d6ad7SLin Ling } else if (func == POOL_SCAN_NONE) { 18593f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 18603f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), 18613f9d6ad7SLin Ling zc.zc_name); 18623f9d6ad7SLin Ling } else { 18633f9d6ad7SLin Ling assert(!"unexpected result"); 18643f9d6ad7SLin Ling } 1865fa9e4066Sahrens 18663f9d6ad7SLin Ling if (errno == EBUSY) { 18673f9d6ad7SLin Ling nvlist_t *nvroot; 18683f9d6ad7SLin Ling pool_scan_stat_t *ps = NULL; 18693f9d6ad7SLin Ling uint_t psc; 18703f9d6ad7SLin Ling 18713f9d6ad7SLin Ling verify(nvlist_lookup_nvlist(zhp->zpool_config, 18723f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 18733f9d6ad7SLin Ling (void) nvlist_lookup_uint64_array(nvroot, 18743f9d6ad7SLin Ling ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); 18753f9d6ad7SLin Ling if (ps && ps->pss_func == POOL_SCAN_SCRUB) 18763f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_SCRUBBING, msg)); 18773f9d6ad7SLin Ling else 18783f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_RESILVERING, msg)); 18793f9d6ad7SLin Ling } else if (errno == ENOENT) { 18803f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); 18813f9d6ad7SLin Ling } else { 188299653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 18833f9d6ad7SLin Ling } 1884fa9e4066Sahrens } 1885fa9e4066Sahrens 18863fdda499SJohn Harres /* 18873fdda499SJohn Harres * This provides a very minimal check whether a given string is likely a 18883fdda499SJohn Harres * c#t#d# style string. Users of this are expected to do their own 18893fdda499SJohn Harres * verification of the s# part. 18903fdda499SJohn Harres */ 18913fdda499SJohn Harres #define CTD_CHECK(str) (str && str[0] == 'c' && isdigit(str[1])) 18923fdda499SJohn Harres 18933fdda499SJohn Harres /* 18943fdda499SJohn Harres * More elaborate version for ones which may start with "/dev/dsk/" 18953fdda499SJohn Harres * and the like. 18963fdda499SJohn Harres */ 18973fdda499SJohn Harres static int 18989a686fbcSPaul Dagnelie ctd_check_path(char *str) 18999a686fbcSPaul Dagnelie { 19003fdda499SJohn Harres /* 19013fdda499SJohn Harres * If it starts with a slash, check the last component. 19023fdda499SJohn Harres */ 19033fdda499SJohn Harres if (str && str[0] == '/') { 19043fdda499SJohn Harres char *tmp = strrchr(str, '/'); 19053fdda499SJohn Harres 19063fdda499SJohn Harres /* 19073fdda499SJohn Harres * If it ends in "/old", check the second-to-last 19083fdda499SJohn Harres * component of the string instead. 19093fdda499SJohn Harres */ 19103fdda499SJohn Harres if (tmp != str && strcmp(tmp, "/old") == 0) { 19113fdda499SJohn Harres for (tmp--; *tmp != '/'; tmp--) 19123fdda499SJohn Harres ; 19133fdda499SJohn Harres } 19143fdda499SJohn Harres str = tmp + 1; 19153fdda499SJohn Harres } 19163fdda499SJohn Harres return (CTD_CHECK(str)); 19173fdda499SJohn Harres } 19183fdda499SJohn Harres 1919a43d325bSek /* 1920573ca77eSGeorge Wilson * Find a vdev that matches the search criteria specified. We use the 1921573ca77eSGeorge Wilson * the nvpair name to determine how we should look for the device. 1922a43d325bSek * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL 1923a43d325bSek * spare; but FALSE if its an INUSE spare. 1924a43d325bSek */ 192599653d4eSeschrock static nvlist_t * 1926573ca77eSGeorge Wilson vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, 1927573ca77eSGeorge Wilson boolean_t *l2cache, boolean_t *log) 1928ea8dc4b6Seschrock { 1929ea8dc4b6Seschrock uint_t c, children; 1930ea8dc4b6Seschrock nvlist_t **child; 193199653d4eSeschrock nvlist_t *ret; 1932ee0eb9f2SEric Schrock uint64_t is_log; 1933573ca77eSGeorge Wilson char *srchkey; 1934573ca77eSGeorge Wilson nvpair_t *pair = nvlist_next_nvpair(search, NULL); 1935573ca77eSGeorge Wilson 1936573ca77eSGeorge Wilson /* Nothing to look for */ 1937573ca77eSGeorge Wilson if (search == NULL || pair == NULL) 1938573ca77eSGeorge Wilson return (NULL); 1939ea8dc4b6Seschrock 1940573ca77eSGeorge Wilson /* Obtain the key we will use to search */ 1941573ca77eSGeorge Wilson srchkey = nvpair_name(pair); 1942573ca77eSGeorge Wilson 1943573ca77eSGeorge Wilson switch (nvpair_type(pair)) { 1944cb04b873SMark J Musante case DATA_TYPE_UINT64: 1945573ca77eSGeorge Wilson if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { 1946cb04b873SMark J Musante uint64_t srchval, theguid; 1947cb04b873SMark J Musante 1948cb04b873SMark J Musante verify(nvpair_value_uint64(pair, &srchval) == 0); 1949cb04b873SMark J Musante verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1950cb04b873SMark J Musante &theguid) == 0); 1951cb04b873SMark J Musante if (theguid == srchval) 1952cb04b873SMark J Musante return (nv); 1953573ca77eSGeorge Wilson } 1954573ca77eSGeorge Wilson break; 1955573ca77eSGeorge Wilson 1956573ca77eSGeorge Wilson case DATA_TYPE_STRING: { 1957573ca77eSGeorge Wilson char *srchval, *val; 1958573ca77eSGeorge Wilson 1959573ca77eSGeorge Wilson verify(nvpair_value_string(pair, &srchval) == 0); 1960573ca77eSGeorge Wilson if (nvlist_lookup_string(nv, srchkey, &val) != 0) 1961573ca77eSGeorge Wilson break; 1962ea8dc4b6Seschrock 1963ea8dc4b6Seschrock /* 19643fdda499SJohn Harres * Search for the requested value. Special cases: 19653fdda499SJohn Harres * 19663fdda499SJohn Harres * - ZPOOL_CONFIG_PATH for whole disk entries. These end in 19673fdda499SJohn Harres * "s0" or "s0/old". The "s0" part is hidden from the user, 19683fdda499SJohn Harres * but included in the string, so this matches around it. 19693fdda499SJohn Harres * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). 19703fdda499SJohn Harres * 197188ecc943SGeorge Wilson * Otherwise, all other searches are simple string compares. 1972ea8dc4b6Seschrock */ 19733fdda499SJohn Harres if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 && 19743fdda499SJohn Harres ctd_check_path(val)) { 1975573ca77eSGeorge Wilson uint64_t wholedisk = 0; 1976573ca77eSGeorge Wilson 1977573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 1978573ca77eSGeorge Wilson &wholedisk); 1979573ca77eSGeorge Wilson if (wholedisk) { 19803fdda499SJohn Harres int slen = strlen(srchval); 19813fdda499SJohn Harres int vlen = strlen(val); 19823fdda499SJohn Harres 19833fdda499SJohn Harres if (slen != vlen - 2) 19843fdda499SJohn Harres break; 19853fdda499SJohn Harres 19863fdda499SJohn Harres /* 19873fdda499SJohn Harres * make_leaf_vdev() should only set 19883fdda499SJohn Harres * wholedisk for ZPOOL_CONFIG_PATHs which 19893fdda499SJohn Harres * will include "/dev/dsk/", giving plenty of 19903fdda499SJohn Harres * room for the indices used next. 19913fdda499SJohn Harres */ 19923fdda499SJohn Harres ASSERT(vlen >= 6); 19933fdda499SJohn Harres 19943fdda499SJohn Harres /* 19953fdda499SJohn Harres * strings identical except trailing "s0" 19963fdda499SJohn Harres */ 19973fdda499SJohn Harres if (strcmp(&val[vlen - 2], "s0") == 0 && 19983fdda499SJohn Harres strncmp(srchval, val, slen) == 0) 19993fdda499SJohn Harres return (nv); 20003fdda499SJohn Harres 2001573ca77eSGeorge Wilson /* 20023fdda499SJohn Harres * strings identical except trailing "s0/old" 2003573ca77eSGeorge Wilson */ 20043fdda499SJohn Harres if (strcmp(&val[vlen - 6], "s0/old") == 0 && 20053fdda499SJohn Harres strcmp(&srchval[slen - 4], "/old") == 0 && 20063fdda499SJohn Harres strncmp(srchval, val, slen - 4) == 0) 2007573ca77eSGeorge Wilson return (nv); 20083fdda499SJohn Harres 2009573ca77eSGeorge Wilson break; 2010573ca77eSGeorge Wilson } 201188ecc943SGeorge Wilson } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { 201288ecc943SGeorge Wilson char *type, *idx, *end, *p; 201388ecc943SGeorge Wilson uint64_t id, vdev_id; 201488ecc943SGeorge Wilson 201588ecc943SGeorge Wilson /* 201688ecc943SGeorge Wilson * Determine our vdev type, keeping in mind 201788ecc943SGeorge Wilson * that the srchval is composed of a type and 201888ecc943SGeorge Wilson * vdev id pair (i.e. mirror-4). 201988ecc943SGeorge Wilson */ 202088ecc943SGeorge Wilson if ((type = strdup(srchval)) == NULL) 202188ecc943SGeorge Wilson return (NULL); 202288ecc943SGeorge Wilson 202388ecc943SGeorge Wilson if ((p = strrchr(type, '-')) == NULL) { 202488ecc943SGeorge Wilson free(type); 202588ecc943SGeorge Wilson break; 202688ecc943SGeorge Wilson } 202788ecc943SGeorge Wilson idx = p + 1; 202888ecc943SGeorge Wilson *p = '\0'; 202988ecc943SGeorge Wilson 203088ecc943SGeorge Wilson /* 203188ecc943SGeorge Wilson * If the types don't match then keep looking. 203288ecc943SGeorge Wilson */ 203388ecc943SGeorge Wilson if (strncmp(val, type, strlen(val)) != 0) { 203488ecc943SGeorge Wilson free(type); 203588ecc943SGeorge Wilson break; 203688ecc943SGeorge Wilson } 203788ecc943SGeorge Wilson 203888ecc943SGeorge Wilson verify(strncmp(type, VDEV_TYPE_RAIDZ, 203988ecc943SGeorge Wilson strlen(VDEV_TYPE_RAIDZ)) == 0 || 204088ecc943SGeorge Wilson strncmp(type, VDEV_TYPE_MIRROR, 204188ecc943SGeorge Wilson strlen(VDEV_TYPE_MIRROR)) == 0); 204288ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 204388ecc943SGeorge Wilson &id) == 0); 204488ecc943SGeorge Wilson 204588ecc943SGeorge Wilson errno = 0; 204688ecc943SGeorge Wilson vdev_id = strtoull(idx, &end, 10); 204788ecc943SGeorge Wilson 204888ecc943SGeorge Wilson free(type); 204988ecc943SGeorge Wilson if (errno != 0) 205088ecc943SGeorge Wilson return (NULL); 205188ecc943SGeorge Wilson 205288ecc943SGeorge Wilson /* 205388ecc943SGeorge Wilson * Now verify that we have the correct vdev id. 205488ecc943SGeorge Wilson */ 205588ecc943SGeorge Wilson if (vdev_id == id) 205688ecc943SGeorge Wilson return (nv); 2057ea8dc4b6Seschrock } 2058573ca77eSGeorge Wilson 2059573ca77eSGeorge Wilson /* 2060573ca77eSGeorge Wilson * Common case 2061573ca77eSGeorge Wilson */ 2062573ca77eSGeorge Wilson if (strcmp(srchval, val) == 0) 2063573ca77eSGeorge Wilson return (nv); 2064573ca77eSGeorge Wilson break; 2065573ca77eSGeorge Wilson } 2066573ca77eSGeorge Wilson 2067573ca77eSGeorge Wilson default: 2068573ca77eSGeorge Wilson break; 2069ea8dc4b6Seschrock } 2070ea8dc4b6Seschrock 2071ea8dc4b6Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2072ea8dc4b6Seschrock &child, &children) != 0) 207399653d4eSeschrock return (NULL); 2074ea8dc4b6Seschrock 2075ee0eb9f2SEric Schrock for (c = 0; c < children; c++) { 2076573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2077ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2078ee0eb9f2SEric Schrock /* 2079ee0eb9f2SEric Schrock * The 'is_log' value is only set for the toplevel 2080ee0eb9f2SEric Schrock * vdev, not the leaf vdevs. So we always lookup the 2081ee0eb9f2SEric Schrock * log device from the root of the vdev tree (where 2082ee0eb9f2SEric Schrock * 'log' is non-NULL). 2083ee0eb9f2SEric Schrock */ 2084ee0eb9f2SEric Schrock if (log != NULL && 2085ee0eb9f2SEric Schrock nvlist_lookup_uint64(child[c], 2086ee0eb9f2SEric Schrock ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && 2087ee0eb9f2SEric Schrock is_log) { 2088ee0eb9f2SEric Schrock *log = B_TRUE; 2089ee0eb9f2SEric Schrock } 2090ea8dc4b6Seschrock return (ret); 2091ee0eb9f2SEric Schrock } 2092ee0eb9f2SEric Schrock } 2093ea8dc4b6Seschrock 209499653d4eSeschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 209599653d4eSeschrock &child, &children) == 0) { 209699653d4eSeschrock for (c = 0; c < children; c++) { 2097573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2098ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2099a43d325bSek *avail_spare = B_TRUE; 210099653d4eSeschrock return (ret); 210199653d4eSeschrock } 210299653d4eSeschrock } 210399653d4eSeschrock } 210499653d4eSeschrock 2105fa94a07fSbrendan if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 2106fa94a07fSbrendan &child, &children) == 0) { 2107fa94a07fSbrendan for (c = 0; c < children; c++) { 2108573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2109ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2110fa94a07fSbrendan *l2cache = B_TRUE; 2111fa94a07fSbrendan return (ret); 2112fa94a07fSbrendan } 2113fa94a07fSbrendan } 2114fa94a07fSbrendan } 2115fa94a07fSbrendan 211699653d4eSeschrock return (NULL); 2117ea8dc4b6Seschrock } 2118ea8dc4b6Seschrock 2119573ca77eSGeorge Wilson /* 2120573ca77eSGeorge Wilson * Given a physical path (minus the "/devices" prefix), find the 2121573ca77eSGeorge Wilson * associated vdev. 2122573ca77eSGeorge Wilson */ 2123573ca77eSGeorge Wilson nvlist_t * 2124573ca77eSGeorge Wilson zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, 2125573ca77eSGeorge Wilson boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) 2126573ca77eSGeorge Wilson { 2127573ca77eSGeorge Wilson nvlist_t *search, *nvroot, *ret; 2128573ca77eSGeorge Wilson 2129573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2130573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); 2131573ca77eSGeorge Wilson 2132573ca77eSGeorge Wilson verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 2133573ca77eSGeorge Wilson &nvroot) == 0); 2134573ca77eSGeorge Wilson 2135573ca77eSGeorge Wilson *avail_spare = B_FALSE; 2136cb04b873SMark J Musante *l2cache = B_FALSE; 2137daeb70e5SMark J Musante if (log != NULL) 2138daeb70e5SMark J Musante *log = B_FALSE; 2139573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 2140573ca77eSGeorge Wilson nvlist_free(search); 2141573ca77eSGeorge Wilson 2142573ca77eSGeorge Wilson return (ret); 2143573ca77eSGeorge Wilson } 2144573ca77eSGeorge Wilson 214588ecc943SGeorge Wilson /* 214688ecc943SGeorge Wilson * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). 214788ecc943SGeorge Wilson */ 214888ecc943SGeorge Wilson boolean_t 214988ecc943SGeorge Wilson zpool_vdev_is_interior(const char *name) 215088ecc943SGeorge Wilson { 215188ecc943SGeorge Wilson if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || 215288ecc943SGeorge Wilson strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) 215388ecc943SGeorge Wilson return (B_TRUE); 215488ecc943SGeorge Wilson return (B_FALSE); 215588ecc943SGeorge Wilson } 215688ecc943SGeorge Wilson 215799653d4eSeschrock nvlist_t * 2158fa94a07fSbrendan zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, 2159ee0eb9f2SEric Schrock boolean_t *l2cache, boolean_t *log) 2160ea8dc4b6Seschrock { 2161ea8dc4b6Seschrock char buf[MAXPATHLEN]; 2162ea8dc4b6Seschrock char *end; 2163573ca77eSGeorge Wilson nvlist_t *nvroot, *search, *ret; 2164ea8dc4b6Seschrock uint64_t guid; 2165ea8dc4b6Seschrock 2166573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2167573ca77eSGeorge Wilson 21680917b783Seschrock guid = strtoull(path, &end, 10); 2169ea8dc4b6Seschrock if (guid != 0 && *end == '\0') { 2170573ca77eSGeorge Wilson verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); 217188ecc943SGeorge Wilson } else if (zpool_vdev_is_interior(path)) { 217288ecc943SGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); 2173ea8dc4b6Seschrock } else if (path[0] != '/') { 21746401734dSWill Andrews (void) snprintf(buf, sizeof (buf), "%s/%s", ZFS_DISK_ROOT, 21756401734dSWill Andrews path); 2176573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0); 2177ea8dc4b6Seschrock } else { 2178573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); 2179ea8dc4b6Seschrock } 2180ea8dc4b6Seschrock 2181ea8dc4b6Seschrock verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 2182ea8dc4b6Seschrock &nvroot) == 0); 2183ea8dc4b6Seschrock 2184a43d325bSek *avail_spare = B_FALSE; 2185fa94a07fSbrendan *l2cache = B_FALSE; 2186ee0eb9f2SEric Schrock if (log != NULL) 2187ee0eb9f2SEric Schrock *log = B_FALSE; 2188573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 2189573ca77eSGeorge Wilson nvlist_free(search); 2190573ca77eSGeorge Wilson 2191573ca77eSGeorge Wilson return (ret); 2192a43d325bSek } 2193a43d325bSek 219419397407SSherry Moore static int 219519397407SSherry Moore vdev_online(nvlist_t *nv) 219619397407SSherry Moore { 219719397407SSherry Moore uint64_t ival; 219819397407SSherry Moore 219919397407SSherry Moore if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || 220019397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || 220119397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) 220219397407SSherry Moore return (0); 220319397407SSherry Moore 220419397407SSherry Moore return (1); 220519397407SSherry Moore } 220619397407SSherry Moore 220719397407SSherry Moore /* 220821ecdf64SLin Ling * Helper function for zpool_get_physpaths(). 220919397407SSherry Moore */ 2210753a6d45SSherry Moore static int 221121ecdf64SLin Ling vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, 2212753a6d45SSherry Moore size_t *bytes_written) 221319397407SSherry Moore { 2214753a6d45SSherry Moore size_t bytes_left, pos, rsz; 2215753a6d45SSherry Moore char *tmppath; 2216753a6d45SSherry Moore const char *format; 2217753a6d45SSherry Moore 2218753a6d45SSherry Moore if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, 2219753a6d45SSherry Moore &tmppath) != 0) 2220753a6d45SSherry Moore return (EZFS_NODEVICE); 2221753a6d45SSherry Moore 2222753a6d45SSherry Moore pos = *bytes_written; 2223753a6d45SSherry Moore bytes_left = physpath_size - pos; 2224753a6d45SSherry Moore format = (pos == 0) ? "%s" : " %s"; 2225753a6d45SSherry Moore 2226753a6d45SSherry Moore rsz = snprintf(physpath + pos, bytes_left, format, tmppath); 2227753a6d45SSherry Moore *bytes_written += rsz; 2228753a6d45SSherry Moore 2229753a6d45SSherry Moore if (rsz >= bytes_left) { 2230753a6d45SSherry Moore /* if physpath was not copied properly, clear it */ 2231753a6d45SSherry Moore if (bytes_left != 0) { 2232753a6d45SSherry Moore physpath[pos] = 0; 2233753a6d45SSherry Moore } 2234753a6d45SSherry Moore return (EZFS_NOSPC); 2235753a6d45SSherry Moore } 2236753a6d45SSherry Moore return (0); 2237753a6d45SSherry Moore } 2238753a6d45SSherry Moore 223921ecdf64SLin Ling static int 224021ecdf64SLin Ling vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, 224121ecdf64SLin Ling size_t *rsz, boolean_t is_spare) 224221ecdf64SLin Ling { 224321ecdf64SLin Ling char *type; 224421ecdf64SLin Ling int ret; 224521ecdf64SLin Ling 224621ecdf64SLin Ling if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) 224721ecdf64SLin Ling return (EZFS_INVALCONFIG); 224821ecdf64SLin Ling 224921ecdf64SLin Ling if (strcmp(type, VDEV_TYPE_DISK) == 0) { 225021ecdf64SLin Ling /* 225121ecdf64SLin Ling * An active spare device has ZPOOL_CONFIG_IS_SPARE set. 225221ecdf64SLin Ling * For a spare vdev, we only want to boot from the active 225321ecdf64SLin Ling * spare device. 225421ecdf64SLin Ling */ 225521ecdf64SLin Ling if (is_spare) { 225621ecdf64SLin Ling uint64_t spare = 0; 225721ecdf64SLin Ling (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, 225821ecdf64SLin Ling &spare); 225921ecdf64SLin Ling if (!spare) 226021ecdf64SLin Ling return (EZFS_INVALCONFIG); 226121ecdf64SLin Ling } 226221ecdf64SLin Ling 226321ecdf64SLin Ling if (vdev_online(nv)) { 226421ecdf64SLin Ling if ((ret = vdev_get_one_physpath(nv, physpath, 226521ecdf64SLin Ling phypath_size, rsz)) != 0) 226621ecdf64SLin Ling return (ret); 226721ecdf64SLin Ling } 226821ecdf64SLin Ling } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || 226921ecdf64SLin Ling strcmp(type, VDEV_TYPE_REPLACING) == 0 || 227021ecdf64SLin Ling (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { 227121ecdf64SLin Ling nvlist_t **child; 227221ecdf64SLin Ling uint_t count; 227321ecdf64SLin Ling int i, ret; 227421ecdf64SLin Ling 227521ecdf64SLin Ling if (nvlist_lookup_nvlist_array(nv, 227621ecdf64SLin Ling ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) 227721ecdf64SLin Ling return (EZFS_INVALCONFIG); 227821ecdf64SLin Ling 227921ecdf64SLin Ling for (i = 0; i < count; i++) { 228021ecdf64SLin Ling ret = vdev_get_physpaths(child[i], physpath, 228121ecdf64SLin Ling phypath_size, rsz, is_spare); 228221ecdf64SLin Ling if (ret == EZFS_NOSPC) 228321ecdf64SLin Ling return (ret); 228421ecdf64SLin Ling } 228521ecdf64SLin Ling } 228621ecdf64SLin Ling 228721ecdf64SLin Ling return (EZFS_POOL_INVALARG); 228821ecdf64SLin Ling } 228921ecdf64SLin Ling 2290753a6d45SSherry Moore /* 2291753a6d45SSherry Moore * Get phys_path for a root pool config. 2292753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2293753a6d45SSherry Moore */ 2294753a6d45SSherry Moore static int 2295753a6d45SSherry Moore zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) 2296753a6d45SSherry Moore { 2297753a6d45SSherry Moore size_t rsz; 229819397407SSherry Moore nvlist_t *vdev_root; 229919397407SSherry Moore nvlist_t **child; 230019397407SSherry Moore uint_t count; 2301753a6d45SSherry Moore char *type; 2302753a6d45SSherry Moore 2303753a6d45SSherry Moore rsz = 0; 2304753a6d45SSherry Moore 2305753a6d45SSherry Moore if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2306753a6d45SSherry Moore &vdev_root) != 0) 2307753a6d45SSherry Moore return (EZFS_INVALCONFIG); 2308753a6d45SSherry Moore 2309753a6d45SSherry Moore if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || 2310753a6d45SSherry Moore nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, 2311753a6d45SSherry Moore &child, &count) != 0) 2312753a6d45SSherry Moore return (EZFS_INVALCONFIG); 231319397407SSherry Moore 231419397407SSherry Moore /* 23151a902ef8SHans Rosenfeld * root pool can only have a single top-level vdev. 231619397407SSherry Moore */ 23171a902ef8SHans Rosenfeld if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1) 2318753a6d45SSherry Moore return (EZFS_POOL_INVALARG); 231919397407SSherry Moore 232021ecdf64SLin Ling (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, 232121ecdf64SLin Ling B_FALSE); 232219397407SSherry Moore 2323753a6d45SSherry Moore /* No online devices */ 2324753a6d45SSherry Moore if (rsz == 0) 2325753a6d45SSherry Moore return (EZFS_NODEVICE); 2326753a6d45SSherry Moore 232719397407SSherry Moore return (0); 232819397407SSherry Moore } 232919397407SSherry Moore 2330753a6d45SSherry Moore /* 2331753a6d45SSherry Moore * Get phys_path for a root pool 2332753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2333753a6d45SSherry Moore */ 2334753a6d45SSherry Moore int 2335753a6d45SSherry Moore zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) 2336753a6d45SSherry Moore { 2337753a6d45SSherry Moore return (zpool_get_config_physpath(zhp->zpool_config, physpath, 2338753a6d45SSherry Moore phypath_size)); 2339753a6d45SSherry Moore } 2340753a6d45SSherry Moore 2341573ca77eSGeorge Wilson /* 2342573ca77eSGeorge Wilson * If the device has being dynamically expanded then we need to relabel 2343573ca77eSGeorge Wilson * the disk to use the new unallocated space. 2344573ca77eSGeorge Wilson */ 2345573ca77eSGeorge Wilson static int 2346573ca77eSGeorge Wilson zpool_relabel_disk(libzfs_handle_t *hdl, const char *name) 2347573ca77eSGeorge Wilson { 2348573ca77eSGeorge Wilson char path[MAXPATHLEN]; 2349573ca77eSGeorge Wilson char errbuf[1024]; 2350573ca77eSGeorge Wilson int fd, error; 2351573ca77eSGeorge Wilson int (*_efi_use_whole_disk)(int); 2352573ca77eSGeorge Wilson 2353573ca77eSGeorge Wilson if ((_efi_use_whole_disk = (int (*)(int))dlsym(RTLD_DEFAULT, 2354573ca77eSGeorge Wilson "efi_use_whole_disk")) == NULL) 2355573ca77eSGeorge Wilson return (-1); 2356573ca77eSGeorge Wilson 23576401734dSWill Andrews (void) snprintf(path, sizeof (path), "%s/%s", ZFS_RDISK_ROOT, name); 2358573ca77eSGeorge Wilson 2359573ca77eSGeorge Wilson if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 2360573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2361573ca77eSGeorge Wilson "relabel '%s': unable to open device"), name); 2362573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 2363573ca77eSGeorge Wilson } 2364573ca77eSGeorge Wilson 2365573ca77eSGeorge Wilson /* 2366573ca77eSGeorge Wilson * It's possible that we might encounter an error if the device 2367573ca77eSGeorge Wilson * does not have any unallocated space left. If so, we simply 2368573ca77eSGeorge Wilson * ignore that error and continue on. 2369573ca77eSGeorge Wilson */ 2370573ca77eSGeorge Wilson error = _efi_use_whole_disk(fd); 2371573ca77eSGeorge Wilson (void) close(fd); 2372573ca77eSGeorge Wilson if (error && error != VT_ENOSPC) { 2373573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2374573ca77eSGeorge Wilson "relabel '%s': unable to read disk capacity"), name); 2375573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 2376573ca77eSGeorge Wilson } 2377573ca77eSGeorge Wilson return (0); 2378573ca77eSGeorge Wilson } 2379573ca77eSGeorge Wilson 2380fa9e4066Sahrens /* 23813d7072f8Seschrock * Bring the specified vdev online. The 'flags' parameter is a set of the 23823d7072f8Seschrock * ZFS_ONLINE_* flags. 2383fa9e4066Sahrens */ 2384fa9e4066Sahrens int 23853d7072f8Seschrock zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, 23863d7072f8Seschrock vdev_state_t *newstate) 2387fa9e4066Sahrens { 2388fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2389fa9e4066Sahrens char msg[1024]; 239099653d4eSeschrock nvlist_t *tgt; 2391573ca77eSGeorge Wilson boolean_t avail_spare, l2cache, islog; 239299653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2393fa9e4066Sahrens 2394573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND) { 2395573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2396573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot expand %s"), path); 2397573ca77eSGeorge Wilson } else { 2398573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2399573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot online %s"), path); 2400573ca77eSGeorge Wilson } 2401ea8dc4b6Seschrock 2402fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2403ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2404573ca77eSGeorge Wilson &islog)) == NULL) 240599653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2406fa9e4066Sahrens 240799653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2408fa9e4066Sahrens 2409069f55e2SEric Schrock if (avail_spare) 2410a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2411a43d325bSek 2412573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND || 2413573ca77eSGeorge Wilson zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { 2414573ca77eSGeorge Wilson char *pathname = NULL; 2415573ca77eSGeorge Wilson uint64_t wholedisk = 0; 2416573ca77eSGeorge Wilson 2417573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, 2418573ca77eSGeorge Wilson &wholedisk); 2419573ca77eSGeorge Wilson verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, 2420573ca77eSGeorge Wilson &pathname) == 0); 2421573ca77eSGeorge Wilson 2422573ca77eSGeorge Wilson /* 2423573ca77eSGeorge Wilson * XXX - L2ARC 1.0 devices can't support expansion. 2424573ca77eSGeorge Wilson */ 2425573ca77eSGeorge Wilson if (l2cache) { 2426573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2427573ca77eSGeorge Wilson "cannot expand cache devices")); 2428573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); 2429573ca77eSGeorge Wilson } 2430573ca77eSGeorge Wilson 2431573ca77eSGeorge Wilson if (wholedisk) { 24326401734dSWill Andrews pathname += strlen(ZFS_DISK_ROOT) + 1; 2433cb04b873SMark J Musante (void) zpool_relabel_disk(hdl, pathname); 2434573ca77eSGeorge Wilson } 2435573ca77eSGeorge Wilson } 2436573ca77eSGeorge Wilson 24373d7072f8Seschrock zc.zc_cookie = VDEV_STATE_ONLINE; 24383d7072f8Seschrock zc.zc_obj = flags; 2439fa9e4066Sahrens 2440cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { 24411195e687SMark J Musante if (errno == EINVAL) { 24421195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " 24431195e687SMark J Musante "from this pool into a new one. Use '%s' " 24441195e687SMark J Musante "instead"), "zpool detach"); 24451195e687SMark J Musante return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); 24461195e687SMark J Musante } 24473d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 24481195e687SMark J Musante } 24493d7072f8Seschrock 24503d7072f8Seschrock *newstate = zc.zc_cookie; 24513d7072f8Seschrock return (0); 2452fa9e4066Sahrens } 2453fa9e4066Sahrens 2454fa9e4066Sahrens /* 2455fa9e4066Sahrens * Take the specified vdev offline 2456fa9e4066Sahrens */ 2457fa9e4066Sahrens int 24583d7072f8Seschrock zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) 2459fa9e4066Sahrens { 2460fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2461fa9e4066Sahrens char msg[1024]; 246299653d4eSeschrock nvlist_t *tgt; 2463fa94a07fSbrendan boolean_t avail_spare, l2cache; 246499653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2465fa9e4066Sahrens 2466ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2467ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot offline %s"), path); 2468ea8dc4b6Seschrock 2469fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2470ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2471ee0eb9f2SEric Schrock NULL)) == NULL) 247299653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 247399653d4eSeschrock 247499653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2475fa9e4066Sahrens 2476069f55e2SEric Schrock if (avail_spare) 2477a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2478a43d325bSek 24793d7072f8Seschrock zc.zc_cookie = VDEV_STATE_OFFLINE; 24803d7072f8Seschrock zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; 24813d7072f8Seschrock 2482cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 24833d7072f8Seschrock return (0); 24843d7072f8Seschrock 24853d7072f8Seschrock switch (errno) { 24863d7072f8Seschrock case EBUSY: 24873d7072f8Seschrock 24883d7072f8Seschrock /* 24893d7072f8Seschrock * There are no other replicas of this device. 24903d7072f8Seschrock */ 24913d7072f8Seschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 24923d7072f8Seschrock 2493e6ca193dSGeorge Wilson case EEXIST: 2494e6ca193dSGeorge Wilson /* 2495e6ca193dSGeorge Wilson * The log device has unplayed logs 2496e6ca193dSGeorge Wilson */ 2497e6ca193dSGeorge Wilson return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); 2498e6ca193dSGeorge Wilson 24993d7072f8Seschrock default: 25003d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 25013d7072f8Seschrock } 25023d7072f8Seschrock } 25033d7072f8Seschrock 25043d7072f8Seschrock /* 25053d7072f8Seschrock * Mark the given vdev faulted. 25063d7072f8Seschrock */ 25073d7072f8Seschrock int 2508069f55e2SEric Schrock zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 25093d7072f8Seschrock { 25103d7072f8Seschrock zfs_cmd_t zc = { 0 }; 25113d7072f8Seschrock char msg[1024]; 25123d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 25133d7072f8Seschrock 25143d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 25153d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot fault %llu"), guid); 2516441d80aaSlling 25173d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 25183d7072f8Seschrock zc.zc_guid = guid; 25193d7072f8Seschrock zc.zc_cookie = VDEV_STATE_FAULTED; 2520069f55e2SEric Schrock zc.zc_obj = aux; 25213d7072f8Seschrock 2522cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 2523fa9e4066Sahrens return (0); 2524fa9e4066Sahrens 2525fa9e4066Sahrens switch (errno) { 252699653d4eSeschrock case EBUSY: 2527fa9e4066Sahrens 2528fa9e4066Sahrens /* 2529fa9e4066Sahrens * There are no other replicas of this device. 2530fa9e4066Sahrens */ 253199653d4eSeschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 2532fa9e4066Sahrens 253399653d4eSeschrock default: 253499653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 2535fa9e4066Sahrens } 25363d7072f8Seschrock 25373d7072f8Seschrock } 25383d7072f8Seschrock 25393d7072f8Seschrock /* 25403d7072f8Seschrock * Mark the given vdev degraded. 25413d7072f8Seschrock */ 25423d7072f8Seschrock int 2543069f55e2SEric Schrock zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 25443d7072f8Seschrock { 25453d7072f8Seschrock zfs_cmd_t zc = { 0 }; 25463d7072f8Seschrock char msg[1024]; 25473d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 25483d7072f8Seschrock 25493d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 25503d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot degrade %llu"), guid); 25513d7072f8Seschrock 25523d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 25533d7072f8Seschrock zc.zc_guid = guid; 25543d7072f8Seschrock zc.zc_cookie = VDEV_STATE_DEGRADED; 2555069f55e2SEric Schrock zc.zc_obj = aux; 25563d7072f8Seschrock 2557cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 25583d7072f8Seschrock return (0); 25593d7072f8Seschrock 25603d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 256199653d4eSeschrock } 256299653d4eSeschrock 256399653d4eSeschrock /* 256499653d4eSeschrock * Returns TRUE if the given nvlist is a vdev that was originally swapped in as 256599653d4eSeschrock * a hot spare. 256699653d4eSeschrock */ 256799653d4eSeschrock static boolean_t 256899653d4eSeschrock is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) 256999653d4eSeschrock { 257099653d4eSeschrock nvlist_t **child; 257199653d4eSeschrock uint_t c, children; 257299653d4eSeschrock char *type; 257399653d4eSeschrock 257499653d4eSeschrock if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, 257599653d4eSeschrock &children) == 0) { 257699653d4eSeschrock verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, 257799653d4eSeschrock &type) == 0); 257899653d4eSeschrock 257999653d4eSeschrock if (strcmp(type, VDEV_TYPE_SPARE) == 0 && 258099653d4eSeschrock children == 2 && child[which] == tgt) 258199653d4eSeschrock return (B_TRUE); 258299653d4eSeschrock 258399653d4eSeschrock for (c = 0; c < children; c++) 258499653d4eSeschrock if (is_replacing_spare(child[c], tgt, which)) 258599653d4eSeschrock return (B_TRUE); 258699653d4eSeschrock } 258799653d4eSeschrock 258899653d4eSeschrock return (B_FALSE); 2589fa9e4066Sahrens } 2590fa9e4066Sahrens 2591fa9e4066Sahrens /* 2592fa9e4066Sahrens * Attach new_disk (fully described by nvroot) to old_disk. 25938654d025Sperrin * If 'replacing' is specified, the new disk will replace the old one. 2594fa9e4066Sahrens */ 2595fa9e4066Sahrens int 2596fa9e4066Sahrens zpool_vdev_attach(zpool_handle_t *zhp, 2597fa9e4066Sahrens const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) 2598fa9e4066Sahrens { 2599fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2600fa9e4066Sahrens char msg[1024]; 2601fa9e4066Sahrens int ret; 260299653d4eSeschrock nvlist_t *tgt; 2603ee0eb9f2SEric Schrock boolean_t avail_spare, l2cache, islog; 2604ee0eb9f2SEric Schrock uint64_t val; 2605cb04b873SMark J Musante char *newname; 260699653d4eSeschrock nvlist_t **child; 260799653d4eSeschrock uint_t children; 260899653d4eSeschrock nvlist_t *config_root; 260999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 26104263d13fSGeorge Wilson boolean_t rootpool = zpool_is_bootable(zhp); 2611fa9e4066Sahrens 2612ea8dc4b6Seschrock if (replacing) 2613ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2614ea8dc4b6Seschrock "cannot replace %s with %s"), old_disk, new_disk); 2615ea8dc4b6Seschrock else 2616ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2617ea8dc4b6Seschrock "cannot attach %s to %s"), new_disk, old_disk); 2618ea8dc4b6Seschrock 2619fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2620ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, 2621ee0eb9f2SEric Schrock &islog)) == 0) 262299653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 262399653d4eSeschrock 2624a43d325bSek if (avail_spare) 262599653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 262699653d4eSeschrock 2627fa94a07fSbrendan if (l2cache) 2628fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2629fa94a07fSbrendan 263099653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2631fa9e4066Sahrens zc.zc_cookie = replacing; 2632fa9e4066Sahrens 263399653d4eSeschrock if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 263499653d4eSeschrock &child, &children) != 0 || children != 1) { 263599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 263699653d4eSeschrock "new device must be a single disk")); 263799653d4eSeschrock return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); 263899653d4eSeschrock } 263999653d4eSeschrock 264099653d4eSeschrock verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 264199653d4eSeschrock ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); 264299653d4eSeschrock 264388ecc943SGeorge Wilson if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) 26440430f8daSeschrock return (-1); 26450430f8daSeschrock 264699653d4eSeschrock /* 264799653d4eSeschrock * If the target is a hot spare that has been swapped in, we can only 264899653d4eSeschrock * replace it with another hot spare. 264999653d4eSeschrock */ 265099653d4eSeschrock if (replacing && 265199653d4eSeschrock nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && 2652ee0eb9f2SEric Schrock (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, 2653ee0eb9f2SEric Schrock NULL) == NULL || !avail_spare) && 2654ee0eb9f2SEric Schrock is_replacing_spare(config_root, tgt, 1)) { 265599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 265699653d4eSeschrock "can only be replaced by another hot spare")); 26570430f8daSeschrock free(newname); 265899653d4eSeschrock return (zfs_error(hdl, EZFS_BADTARGET, msg)); 265999653d4eSeschrock } 266099653d4eSeschrock 26610430f8daSeschrock free(newname); 26620430f8daSeschrock 2663990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 266499653d4eSeschrock return (-1); 2665fa9e4066Sahrens 2666cb04b873SMark J Musante ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); 2667fa9e4066Sahrens 2668e9dbad6fSeschrock zcmd_free_nvlists(&zc); 2669fa9e4066Sahrens 2670b5b76fecSGeorge Wilson if (ret == 0) { 2671b5b76fecSGeorge Wilson if (rootpool) { 267221ecdf64SLin Ling /* 267321ecdf64SLin Ling * XXX need a better way to prevent user from 267421ecdf64SLin Ling * booting up a half-baked vdev. 267521ecdf64SLin Ling */ 267621ecdf64SLin Ling (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " 267721ecdf64SLin Ling "sure to wait until resilver is done " 267821ecdf64SLin Ling "before rebooting.\n")); 2679b5b76fecSGeorge Wilson } 2680fa9e4066Sahrens return (0); 2681b5b76fecSGeorge Wilson } 2682fa9e4066Sahrens 2683fa9e4066Sahrens switch (errno) { 2684ea8dc4b6Seschrock case ENOTSUP: 2685fa9e4066Sahrens /* 2686fa9e4066Sahrens * Can't attach to or replace this type of vdev. 2687fa9e4066Sahrens */ 26888654d025Sperrin if (replacing) { 2689cb04b873SMark J Musante uint64_t version = zpool_get_prop_int(zhp, 2690cb04b873SMark J Musante ZPOOL_PROP_VERSION, NULL); 2691cb04b873SMark J Musante 2692ee0eb9f2SEric Schrock if (islog) 26938654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 26948654d025Sperrin "cannot replace a log with a spare")); 2695cb04b873SMark J Musante else if (version >= SPA_VERSION_MULTI_REPLACE) 2696cb04b873SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2697cb04b873SMark J Musante "already in replacing/spare config; wait " 2698cb04b873SMark J Musante "for completion or use 'zpool detach'")); 26998654d025Sperrin else 27008654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 27018654d025Sperrin "cannot replace a replacing device")); 27028654d025Sperrin } else { 270399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 270499653d4eSeschrock "can only attach to mirrors and top-level " 270599653d4eSeschrock "disks")); 27068654d025Sperrin } 270799653d4eSeschrock (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2708fa9e4066Sahrens break; 2709fa9e4066Sahrens 2710ea8dc4b6Seschrock case EINVAL: 2711fa9e4066Sahrens /* 2712fa9e4066Sahrens * The new device must be a single disk. 2713fa9e4066Sahrens */ 271499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 271599653d4eSeschrock "new device must be a single disk")); 271699653d4eSeschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); 2717fa9e4066Sahrens break; 2718fa9e4066Sahrens 2719ea8dc4b6Seschrock case EBUSY: 272099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), 272199653d4eSeschrock new_disk); 272299653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2723fa9e4066Sahrens break; 2724fa9e4066Sahrens 2725ea8dc4b6Seschrock case EOVERFLOW: 2726fa9e4066Sahrens /* 2727fa9e4066Sahrens * The new device is too small. 2728fa9e4066Sahrens */ 272999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 273099653d4eSeschrock "device is too small")); 273199653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2732fa9e4066Sahrens break; 2733fa9e4066Sahrens 2734ea8dc4b6Seschrock case EDOM: 2735fa9e4066Sahrens /* 2736fa9e4066Sahrens * The new device has a different alignment requirement. 2737fa9e4066Sahrens */ 273899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 273999653d4eSeschrock "devices have different sector alignment")); 274099653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2741fa9e4066Sahrens break; 2742fa9e4066Sahrens 2743ea8dc4b6Seschrock case ENAMETOOLONG: 2744fa9e4066Sahrens /* 2745fa9e4066Sahrens * The resulting top-level vdev spec won't fit in the label. 2746fa9e4066Sahrens */ 274799653d4eSeschrock (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); 2748fa9e4066Sahrens break; 2749fa9e4066Sahrens 2750ea8dc4b6Seschrock default: 275199653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2752fa9e4066Sahrens } 2753fa9e4066Sahrens 275499653d4eSeschrock return (-1); 2755fa9e4066Sahrens } 2756fa9e4066Sahrens 2757fa9e4066Sahrens /* 2758fa9e4066Sahrens * Detach the specified device. 2759fa9e4066Sahrens */ 2760fa9e4066Sahrens int 2761fa9e4066Sahrens zpool_vdev_detach(zpool_handle_t *zhp, const char *path) 2762fa9e4066Sahrens { 2763fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2764fa9e4066Sahrens char msg[1024]; 276599653d4eSeschrock nvlist_t *tgt; 2766fa94a07fSbrendan boolean_t avail_spare, l2cache; 276799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2768fa9e4066Sahrens 2769ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2770ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot detach %s"), path); 2771ea8dc4b6Seschrock 2772fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2773ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2774ee0eb9f2SEric Schrock NULL)) == 0) 277599653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2776fa9e4066Sahrens 2777a43d325bSek if (avail_spare) 277899653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 277999653d4eSeschrock 2780fa94a07fSbrendan if (l2cache) 2781fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2782fa94a07fSbrendan 278399653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 278499653d4eSeschrock 2785ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) 2786fa9e4066Sahrens return (0); 2787fa9e4066Sahrens 2788fa9e4066Sahrens switch (errno) { 2789fa9e4066Sahrens 2790ea8dc4b6Seschrock case ENOTSUP: 2791fa9e4066Sahrens /* 2792fa9e4066Sahrens * Can't detach from this type of vdev. 2793fa9e4066Sahrens */ 279499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " 279599653d4eSeschrock "applicable to mirror and replacing vdevs")); 2796cb04b873SMark J Musante (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2797fa9e4066Sahrens break; 2798fa9e4066Sahrens 2799ea8dc4b6Seschrock case EBUSY: 2800fa9e4066Sahrens /* 2801fa9e4066Sahrens * There are no other replicas of this device. 2802fa9e4066Sahrens */ 280399653d4eSeschrock (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); 2804fa9e4066Sahrens break; 2805fa9e4066Sahrens 2806ea8dc4b6Seschrock default: 280799653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2808ea8dc4b6Seschrock } 2809ea8dc4b6Seschrock 281099653d4eSeschrock return (-1); 281199653d4eSeschrock } 281299653d4eSeschrock 28131195e687SMark J Musante /* 28141195e687SMark J Musante * Find a mirror vdev in the source nvlist. 28151195e687SMark J Musante * 28161195e687SMark J Musante * The mchild array contains a list of disks in one of the top-level mirrors 28171195e687SMark J Musante * of the source pool. The schild array contains a list of disks that the 28181195e687SMark J Musante * user specified on the command line. We loop over the mchild array to 28191195e687SMark J Musante * see if any entry in the schild array matches. 28201195e687SMark J Musante * 28211195e687SMark J Musante * If a disk in the mchild array is found in the schild array, we return 28221195e687SMark J Musante * the index of that entry. Otherwise we return -1. 28231195e687SMark J Musante */ 28241195e687SMark J Musante static int 28251195e687SMark J Musante find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, 28261195e687SMark J Musante nvlist_t **schild, uint_t schildren) 28271195e687SMark J Musante { 28281195e687SMark J Musante uint_t mc; 28291195e687SMark J Musante 28301195e687SMark J Musante for (mc = 0; mc < mchildren; mc++) { 28311195e687SMark J Musante uint_t sc; 28321195e687SMark J Musante char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, 28331195e687SMark J Musante mchild[mc], B_FALSE); 28341195e687SMark J Musante 28351195e687SMark J Musante for (sc = 0; sc < schildren; sc++) { 28361195e687SMark J Musante char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, 28371195e687SMark J Musante schild[sc], B_FALSE); 28381195e687SMark J Musante boolean_t result = (strcmp(mpath, spath) == 0); 28391195e687SMark J Musante 28401195e687SMark J Musante free(spath); 28411195e687SMark J Musante if (result) { 28421195e687SMark J Musante free(mpath); 28431195e687SMark J Musante return (mc); 28441195e687SMark J Musante } 28451195e687SMark J Musante } 28461195e687SMark J Musante 28471195e687SMark J Musante free(mpath); 28481195e687SMark J Musante } 28491195e687SMark J Musante 28501195e687SMark J Musante return (-1); 28511195e687SMark J Musante } 28521195e687SMark J Musante 28531195e687SMark J Musante /* 28541195e687SMark J Musante * Split a mirror pool. If newroot points to null, then a new nvlist 28551195e687SMark J Musante * is generated and it is the responsibility of the caller to free it. 28561195e687SMark J Musante */ 28571195e687SMark J Musante int 28581195e687SMark J Musante zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, 28591195e687SMark J Musante nvlist_t *props, splitflags_t flags) 28601195e687SMark J Musante { 28611195e687SMark J Musante zfs_cmd_t zc = { 0 }; 28621195e687SMark J Musante char msg[1024]; 28631195e687SMark J Musante nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; 28641195e687SMark J Musante nvlist_t **varray = NULL, *zc_props = NULL; 28651195e687SMark J Musante uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; 28661195e687SMark J Musante libzfs_handle_t *hdl = zhp->zpool_hdl; 28671195e687SMark J Musante uint64_t vers; 28681195e687SMark J Musante boolean_t freelist = B_FALSE, memory_err = B_TRUE; 28691195e687SMark J Musante int retval = 0; 28701195e687SMark J Musante 28711195e687SMark J Musante (void) snprintf(msg, sizeof (msg), 28721195e687SMark J Musante dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); 28731195e687SMark J Musante 28741195e687SMark J Musante if (!zpool_name_valid(hdl, B_FALSE, newname)) 28751195e687SMark J Musante return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 28761195e687SMark J Musante 28771195e687SMark J Musante if ((config = zpool_get_config(zhp, NULL)) == NULL) { 28781195e687SMark J Musante (void) fprintf(stderr, gettext("Internal error: unable to " 28791195e687SMark J Musante "retrieve pool configuration\n")); 28801195e687SMark J Musante return (-1); 28811195e687SMark J Musante } 28821195e687SMark J Musante 28831195e687SMark J Musante verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) 28841195e687SMark J Musante == 0); 28851195e687SMark J Musante verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); 28861195e687SMark J Musante 28871195e687SMark J Musante if (props) { 2888f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 28891195e687SMark J Musante if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, 2890f9af39baSGeorge Wilson props, vers, flags, msg)) == NULL) 28911195e687SMark J Musante return (-1); 28921195e687SMark J Musante } 28931195e687SMark J Musante 28941195e687SMark J Musante if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 28951195e687SMark J Musante &children) != 0) { 28961195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 28971195e687SMark J Musante "Source pool is missing vdev tree")); 2898aab83bb8SJosef 'Jeff' Sipek nvlist_free(zc_props); 28991195e687SMark J Musante return (-1); 29001195e687SMark J Musante } 29011195e687SMark J Musante 29021195e687SMark J Musante varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); 29031195e687SMark J Musante vcount = 0; 29041195e687SMark J Musante 29051195e687SMark J Musante if (*newroot == NULL || 29061195e687SMark J Musante nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, 29071195e687SMark J Musante &newchild, &newchildren) != 0) 29081195e687SMark J Musante newchildren = 0; 29091195e687SMark J Musante 29101195e687SMark J Musante for (c = 0; c < children; c++) { 29111195e687SMark J Musante uint64_t is_log = B_FALSE, is_hole = B_FALSE; 29121195e687SMark J Musante char *type; 29131195e687SMark J Musante nvlist_t **mchild, *vdev; 29141195e687SMark J Musante uint_t mchildren; 29151195e687SMark J Musante int entry; 29161195e687SMark J Musante 29171195e687SMark J Musante /* 29181195e687SMark J Musante * Unlike cache & spares, slogs are stored in the 29191195e687SMark J Musante * ZPOOL_CONFIG_CHILDREN array. We filter them out here. 29201195e687SMark J Musante */ 29211195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 29221195e687SMark J Musante &is_log); 29231195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 29241195e687SMark J Musante &is_hole); 29251195e687SMark J Musante if (is_log || is_hole) { 29261195e687SMark J Musante /* 29271195e687SMark J Musante * Create a hole vdev and put it in the config. 29281195e687SMark J Musante */ 29291195e687SMark J Musante if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) 29301195e687SMark J Musante goto out; 29311195e687SMark J Musante if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, 29321195e687SMark J Musante VDEV_TYPE_HOLE) != 0) 29331195e687SMark J Musante goto out; 29341195e687SMark J Musante if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, 29351195e687SMark J Musante 1) != 0) 29361195e687SMark J Musante goto out; 29371195e687SMark J Musante if (lastlog == 0) 29381195e687SMark J Musante lastlog = vcount; 29391195e687SMark J Musante varray[vcount++] = vdev; 29401195e687SMark J Musante continue; 29411195e687SMark J Musante } 29421195e687SMark J Musante lastlog = 0; 29431195e687SMark J Musante verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) 29441195e687SMark J Musante == 0); 29451195e687SMark J Musante if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { 29461195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 29471195e687SMark J Musante "Source pool must be composed only of mirrors\n")); 29481195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 29491195e687SMark J Musante goto out; 29501195e687SMark J Musante } 29511195e687SMark J Musante 29521195e687SMark J Musante verify(nvlist_lookup_nvlist_array(child[c], 29531195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 29541195e687SMark J Musante 29551195e687SMark J Musante /* find or add an entry for this top-level vdev */ 29561195e687SMark J Musante if (newchildren > 0 && 29571195e687SMark J Musante (entry = find_vdev_entry(zhp, mchild, mchildren, 29581195e687SMark J Musante newchild, newchildren)) >= 0) { 29591195e687SMark J Musante /* We found a disk that the user specified. */ 29601195e687SMark J Musante vdev = mchild[entry]; 29611195e687SMark J Musante ++found; 29621195e687SMark J Musante } else { 29631195e687SMark J Musante /* User didn't specify a disk for this vdev. */ 29641195e687SMark J Musante vdev = mchild[mchildren - 1]; 29651195e687SMark J Musante } 29661195e687SMark J Musante 29671195e687SMark J Musante if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) 29681195e687SMark J Musante goto out; 29691195e687SMark J Musante } 29701195e687SMark J Musante 29711195e687SMark J Musante /* did we find every disk the user specified? */ 29721195e687SMark J Musante if (found != newchildren) { 29731195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " 29741195e687SMark J Musante "include at most one disk from each mirror")); 29751195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 29761195e687SMark J Musante goto out; 29771195e687SMark J Musante } 29781195e687SMark J Musante 29791195e687SMark J Musante /* Prepare the nvlist for populating. */ 29801195e687SMark J Musante if (*newroot == NULL) { 29811195e687SMark J Musante if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) 29821195e687SMark J Musante goto out; 29831195e687SMark J Musante freelist = B_TRUE; 29841195e687SMark J Musante if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, 29851195e687SMark J Musante VDEV_TYPE_ROOT) != 0) 29861195e687SMark J Musante goto out; 29871195e687SMark J Musante } else { 29881195e687SMark J Musante verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); 29891195e687SMark J Musante } 29901195e687SMark J Musante 29911195e687SMark J Musante /* Add all the children we found */ 29921195e687SMark J Musante if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, 29931195e687SMark J Musante lastlog == 0 ? vcount : lastlog) != 0) 29941195e687SMark J Musante goto out; 29951195e687SMark J Musante 29961195e687SMark J Musante /* 29971195e687SMark J Musante * If we're just doing a dry run, exit now with success. 29981195e687SMark J Musante */ 29991195e687SMark J Musante if (flags.dryrun) { 30001195e687SMark J Musante memory_err = B_FALSE; 30011195e687SMark J Musante freelist = B_FALSE; 30021195e687SMark J Musante goto out; 30031195e687SMark J Musante } 30041195e687SMark J Musante 30051195e687SMark J Musante /* now build up the config list & call the ioctl */ 30061195e687SMark J Musante if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) 30071195e687SMark J Musante goto out; 30081195e687SMark J Musante 30091195e687SMark J Musante if (nvlist_add_nvlist(newconfig, 30101195e687SMark J Musante ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || 30111195e687SMark J Musante nvlist_add_string(newconfig, 30121195e687SMark J Musante ZPOOL_CONFIG_POOL_NAME, newname) != 0 || 30131195e687SMark J Musante nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) 30141195e687SMark J Musante goto out; 30151195e687SMark J Musante 30161195e687SMark J Musante /* 30171195e687SMark J Musante * The new pool is automatically part of the namespace unless we 30181195e687SMark J Musante * explicitly export it. 30191195e687SMark J Musante */ 30201195e687SMark J Musante if (!flags.import) 30211195e687SMark J Musante zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; 30221195e687SMark J Musante (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 30231195e687SMark J Musante (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); 30241195e687SMark J Musante if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) 30251195e687SMark J Musante goto out; 30261195e687SMark J Musante if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 30271195e687SMark J Musante goto out; 30281195e687SMark J Musante 30291195e687SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { 30301195e687SMark J Musante retval = zpool_standard_error(hdl, errno, msg); 30311195e687SMark J Musante goto out; 30321195e687SMark J Musante } 30331195e687SMark J Musante 30341195e687SMark J Musante freelist = B_FALSE; 30351195e687SMark J Musante memory_err = B_FALSE; 30361195e687SMark J Musante 30371195e687SMark J Musante out: 30381195e687SMark J Musante if (varray != NULL) { 30391195e687SMark J Musante int v; 30401195e687SMark J Musante 30411195e687SMark J Musante for (v = 0; v < vcount; v++) 30421195e687SMark J Musante nvlist_free(varray[v]); 30431195e687SMark J Musante free(varray); 30441195e687SMark J Musante } 30451195e687SMark J Musante zcmd_free_nvlists(&zc); 3046aab83bb8SJosef 'Jeff' Sipek nvlist_free(zc_props); 3047aab83bb8SJosef 'Jeff' Sipek nvlist_free(newconfig); 30481195e687SMark J Musante if (freelist) { 30491195e687SMark J Musante nvlist_free(*newroot); 30501195e687SMark J Musante *newroot = NULL; 30511195e687SMark J Musante } 30521195e687SMark J Musante 30531195e687SMark J Musante if (retval != 0) 30541195e687SMark J Musante return (retval); 30551195e687SMark J Musante 30561195e687SMark J Musante if (memory_err) 30571195e687SMark J Musante return (no_memory(hdl)); 30581195e687SMark J Musante 30591195e687SMark J Musante return (0); 30601195e687SMark J Musante } 30611195e687SMark J Musante 306299653d4eSeschrock /* 3063fa94a07fSbrendan * Remove the given device. Currently, this is supported only for hot spares 3064fa94a07fSbrendan * and level 2 cache devices. 306599653d4eSeschrock */ 306699653d4eSeschrock int 306799653d4eSeschrock zpool_vdev_remove(zpool_handle_t *zhp, const char *path) 306899653d4eSeschrock { 306999653d4eSeschrock zfs_cmd_t zc = { 0 }; 307099653d4eSeschrock char msg[1024]; 307199653d4eSeschrock nvlist_t *tgt; 307288ecc943SGeorge Wilson boolean_t avail_spare, l2cache, islog; 307399653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 307488ecc943SGeorge Wilson uint64_t version; 307599653d4eSeschrock 307699653d4eSeschrock (void) snprintf(msg, sizeof (msg), 307799653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot remove %s"), path); 307899653d4eSeschrock 307999653d4eSeschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3080ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 308188ecc943SGeorge Wilson &islog)) == 0) 308299653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 308388ecc943SGeorge Wilson /* 308488ecc943SGeorge Wilson * XXX - this should just go away. 308588ecc943SGeorge Wilson */ 308688ecc943SGeorge Wilson if (!avail_spare && !l2cache && !islog) { 308799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 308888ecc943SGeorge Wilson "only inactive hot spares, cache, top-level, " 308988ecc943SGeorge Wilson "or log devices can be removed")); 309099653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 309199653d4eSeschrock } 309299653d4eSeschrock 309388ecc943SGeorge Wilson version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 309488ecc943SGeorge Wilson if (islog && version < SPA_VERSION_HOLES) { 309588ecc943SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 309688ecc943SGeorge Wilson "pool must be upgrade to support log removal")); 309788ecc943SGeorge Wilson return (zfs_error(hdl, EZFS_BADVERSION, msg)); 309888ecc943SGeorge Wilson } 309988ecc943SGeorge Wilson 310099653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 310199653d4eSeschrock 3102ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) 310399653d4eSeschrock return (0); 310499653d4eSeschrock 310599653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 3106ea8dc4b6Seschrock } 3107ea8dc4b6Seschrock 3108ea8dc4b6Seschrock /* 3109ea8dc4b6Seschrock * Clear the errors for the pool, or the particular device if specified. 3110ea8dc4b6Seschrock */ 3111ea8dc4b6Seschrock int 3112468c413aSTim Haley zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) 3113ea8dc4b6Seschrock { 3114ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3115ea8dc4b6Seschrock char msg[1024]; 311699653d4eSeschrock nvlist_t *tgt; 3117468c413aSTim Haley zpool_rewind_policy_t policy; 3118fa94a07fSbrendan boolean_t avail_spare, l2cache; 311999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3120468c413aSTim Haley nvlist_t *nvi = NULL; 31214b964adaSGeorge Wilson int error; 3122ea8dc4b6Seschrock 3123ea8dc4b6Seschrock if (path) 3124ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 3125ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 3126e9dbad6fSeschrock path); 3127ea8dc4b6Seschrock else 3128ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 3129ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 3130ea8dc4b6Seschrock zhp->zpool_name); 3131ea8dc4b6Seschrock 3132ea8dc4b6Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 313399653d4eSeschrock if (path) { 3134fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, 3135ee0eb9f2SEric Schrock &l2cache, NULL)) == 0) 313699653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 3137ea8dc4b6Seschrock 3138fa94a07fSbrendan /* 3139fa94a07fSbrendan * Don't allow error clearing for hot spares. Do allow 3140fa94a07fSbrendan * error clearing for l2cache devices. 3141fa94a07fSbrendan */ 3142a43d325bSek if (avail_spare) 314399653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 3144ea8dc4b6Seschrock 314599653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 314699653d4eSeschrock &zc.zc_guid) == 0); 3147fa9e4066Sahrens } 3148fa9e4066Sahrens 3149468c413aSTim Haley zpool_get_rewind_policy(rewindnvl, &policy); 3150468c413aSTim Haley zc.zc_cookie = policy.zrp_request; 3151468c413aSTim Haley 315257f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) 3153468c413aSTim Haley return (-1); 3154468c413aSTim Haley 3155cb04b873SMark J Musante if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) 3156468c413aSTim Haley return (-1); 3157468c413aSTim Haley 31584b964adaSGeorge Wilson while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && 31594b964adaSGeorge Wilson errno == ENOMEM) { 31604b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 31614b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 31624b964adaSGeorge Wilson return (-1); 31634b964adaSGeorge Wilson } 31644b964adaSGeorge Wilson } 31654b964adaSGeorge Wilson 31664b964adaSGeorge Wilson if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && 3167468c413aSTim Haley errno != EPERM && errno != EACCES)) { 3168468c413aSTim Haley if (policy.zrp_request & 3169468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 3170468c413aSTim Haley (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); 3171468c413aSTim Haley zpool_rewind_exclaim(hdl, zc.zc_name, 3172468c413aSTim Haley ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), 3173468c413aSTim Haley nvi); 3174468c413aSTim Haley nvlist_free(nvi); 3175468c413aSTim Haley } 3176468c413aSTim Haley zcmd_free_nvlists(&zc); 317799653d4eSeschrock return (0); 3178468c413aSTim Haley } 317999653d4eSeschrock 3180468c413aSTim Haley zcmd_free_nvlists(&zc); 318199653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 3182fa9e4066Sahrens } 3183fa9e4066Sahrens 31843d7072f8Seschrock /* 31853d7072f8Seschrock * Similar to zpool_clear(), but takes a GUID (used by fmd). 31863d7072f8Seschrock */ 31873d7072f8Seschrock int 31883d7072f8Seschrock zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) 31893d7072f8Seschrock { 31903d7072f8Seschrock zfs_cmd_t zc = { 0 }; 31913d7072f8Seschrock char msg[1024]; 31923d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 31933d7072f8Seschrock 31943d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 31953d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), 31963d7072f8Seschrock guid); 31973d7072f8Seschrock 31983d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 31993d7072f8Seschrock zc.zc_guid = guid; 320014f8ce41SVictor Latushkin zc.zc_cookie = ZPOOL_NO_REWIND; 32013d7072f8Seschrock 32023d7072f8Seschrock if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) 32033d7072f8Seschrock return (0); 32043d7072f8Seschrock 32053d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 32063d7072f8Seschrock } 32073d7072f8Seschrock 3208e9103aaeSGarrett D'Amore /* 3209e9103aaeSGarrett D'Amore * Change the GUID for a pool. 3210e9103aaeSGarrett D'Amore */ 3211e9103aaeSGarrett D'Amore int 3212e9103aaeSGarrett D'Amore zpool_reguid(zpool_handle_t *zhp) 3213e9103aaeSGarrett D'Amore { 3214e9103aaeSGarrett D'Amore char msg[1024]; 3215e9103aaeSGarrett D'Amore libzfs_handle_t *hdl = zhp->zpool_hdl; 3216e9103aaeSGarrett D'Amore zfs_cmd_t zc = { 0 }; 3217e9103aaeSGarrett D'Amore 3218e9103aaeSGarrett D'Amore (void) snprintf(msg, sizeof (msg), 3219e9103aaeSGarrett D'Amore dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); 3220e9103aaeSGarrett D'Amore 3221e9103aaeSGarrett D'Amore (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3222e9103aaeSGarrett D'Amore if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) 3223e9103aaeSGarrett D'Amore return (0); 3224e9103aaeSGarrett D'Amore 3225e9103aaeSGarrett D'Amore return (zpool_standard_error(hdl, errno, msg)); 3226e9103aaeSGarrett D'Amore } 3227e9103aaeSGarrett D'Amore 32284263d13fSGeorge Wilson /* 32294263d13fSGeorge Wilson * Reopen the pool. 32304263d13fSGeorge Wilson */ 32314263d13fSGeorge Wilson int 32324263d13fSGeorge Wilson zpool_reopen(zpool_handle_t *zhp) 32334263d13fSGeorge Wilson { 32344263d13fSGeorge Wilson zfs_cmd_t zc = { 0 }; 32354263d13fSGeorge Wilson char msg[1024]; 32364263d13fSGeorge Wilson libzfs_handle_t *hdl = zhp->zpool_hdl; 32374263d13fSGeorge Wilson 32384263d13fSGeorge Wilson (void) snprintf(msg, sizeof (msg), 32394263d13fSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), 32404263d13fSGeorge Wilson zhp->zpool_name); 32414263d13fSGeorge Wilson 32424263d13fSGeorge Wilson (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 32434263d13fSGeorge Wilson if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0) 32444263d13fSGeorge Wilson return (0); 32454263d13fSGeorge Wilson return (zpool_standard_error(hdl, errno, msg)); 32464263d13fSGeorge Wilson } 32474263d13fSGeorge Wilson 3248c67d9675Seschrock /* 3249c67d9675Seschrock * Convert from a devid string to a path. 3250c67d9675Seschrock */ 3251c67d9675Seschrock static char * 3252c67d9675Seschrock devid_to_path(char *devid_str) 3253c67d9675Seschrock { 3254c67d9675Seschrock ddi_devid_t devid; 3255c67d9675Seschrock char *minor; 3256c67d9675Seschrock char *path; 3257c67d9675Seschrock devid_nmlist_t *list = NULL; 3258c67d9675Seschrock int ret; 3259c67d9675Seschrock 3260c67d9675Seschrock if (devid_str_decode(devid_str, &devid, &minor) != 0) 3261c67d9675Seschrock return (NULL); 3262c67d9675Seschrock 3263c67d9675Seschrock ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); 3264c67d9675Seschrock 3265c67d9675Seschrock devid_str_free(minor); 3266c67d9675Seschrock devid_free(devid); 3267c67d9675Seschrock 3268c67d9675Seschrock if (ret != 0) 3269c67d9675Seschrock return (NULL); 3270c67d9675Seschrock 3271078266a5SMarcel Telka /* 3272078266a5SMarcel Telka * In a case the strdup() fails, we will just return NULL below. 3273078266a5SMarcel Telka */ 3274078266a5SMarcel Telka path = strdup(list[0].devname); 327599653d4eSeschrock 3276c67d9675Seschrock devid_free_nmlist(list); 3277c67d9675Seschrock 3278c67d9675Seschrock return (path); 3279c67d9675Seschrock } 3280c67d9675Seschrock 3281c67d9675Seschrock /* 3282c67d9675Seschrock * Convert from a path to a devid string. 3283c67d9675Seschrock */ 3284c67d9675Seschrock static char * 3285c67d9675Seschrock path_to_devid(const char *path) 3286c67d9675Seschrock { 3287c67d9675Seschrock int fd; 3288c67d9675Seschrock ddi_devid_t devid; 3289c67d9675Seschrock char *minor, *ret; 3290c67d9675Seschrock 3291c67d9675Seschrock if ((fd = open(path, O_RDONLY)) < 0) 3292c67d9675Seschrock return (NULL); 3293c67d9675Seschrock 3294c67d9675Seschrock minor = NULL; 3295c67d9675Seschrock ret = NULL; 3296c67d9675Seschrock if (devid_get(fd, &devid) == 0) { 3297c67d9675Seschrock if (devid_get_minor_name(fd, &minor) == 0) 3298c67d9675Seschrock ret = devid_str_encode(devid, minor); 3299c67d9675Seschrock if (minor != NULL) 3300c67d9675Seschrock devid_str_free(minor); 3301c67d9675Seschrock devid_free(devid); 3302c67d9675Seschrock } 3303c67d9675Seschrock (void) close(fd); 3304c67d9675Seschrock 3305c67d9675Seschrock return (ret); 3306c67d9675Seschrock } 3307c67d9675Seschrock 3308c67d9675Seschrock /* 3309c67d9675Seschrock * Issue the necessary ioctl() to update the stored path value for the vdev. We 3310c67d9675Seschrock * ignore any failure here, since a common case is for an unprivileged user to 3311c67d9675Seschrock * type 'zpool status', and we'll display the correct information anyway. 3312c67d9675Seschrock */ 3313c67d9675Seschrock static void 3314c67d9675Seschrock set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) 3315c67d9675Seschrock { 3316c67d9675Seschrock zfs_cmd_t zc = { 0 }; 3317c67d9675Seschrock 3318c67d9675Seschrock (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3319e9dbad6fSeschrock (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); 3320c67d9675Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3321ea8dc4b6Seschrock &zc.zc_guid) == 0); 3322c67d9675Seschrock 332399653d4eSeschrock (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); 3324c67d9675Seschrock } 3325c67d9675Seschrock 3326c67d9675Seschrock /* 3327c67d9675Seschrock * Given a vdev, return the name to display in iostat. If the vdev has a path, 3328c67d9675Seschrock * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. 3329c67d9675Seschrock * We also check if this is a whole disk, in which case we strip off the 3330c67d9675Seschrock * trailing 's0' slice name. 3331c67d9675Seschrock * 3332c67d9675Seschrock * This routine is also responsible for identifying when disks have been 3333c67d9675Seschrock * reconfigured in a new location. The kernel will have opened the device by 3334c67d9675Seschrock * devid, but the path will still refer to the old location. To catch this, we 3335c67d9675Seschrock * first do a path -> devid translation (which is fast for the common case). If 3336c67d9675Seschrock * the devid matches, we're done. If not, we do a reverse devid -> path 3337c67d9675Seschrock * translation and issue the appropriate ioctl() to update the path of the vdev. 3338c67d9675Seschrock * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any 3339c67d9675Seschrock * of these checks. 3340c67d9675Seschrock */ 3341c67d9675Seschrock char * 334288ecc943SGeorge Wilson zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, 334388ecc943SGeorge Wilson boolean_t verbose) 3344c67d9675Seschrock { 3345c67d9675Seschrock char *path, *devid; 3346ea8dc4b6Seschrock uint64_t value; 3347ea8dc4b6Seschrock char buf[64]; 33483d7072f8Seschrock vdev_stat_t *vs; 33493d7072f8Seschrock uint_t vsc; 3350c67d9675Seschrock 3351ea8dc4b6Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 3352ea8dc4b6Seschrock &value) == 0) { 3353ea8dc4b6Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3354ea8dc4b6Seschrock &value) == 0); 33555ad82045Snd (void) snprintf(buf, sizeof (buf), "%llu", 33565ad82045Snd (u_longlong_t)value); 3357ea8dc4b6Seschrock path = buf; 3358ea8dc4b6Seschrock } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 3359c67d9675Seschrock 33603d7072f8Seschrock /* 33613d7072f8Seschrock * If the device is dead (faulted, offline, etc) then don't 33623d7072f8Seschrock * bother opening it. Otherwise we may be forcing the user to 33633d7072f8Seschrock * open a misbehaving device, which can have undesirable 33643d7072f8Seschrock * effects. 33653d7072f8Seschrock */ 33663f9d6ad7SLin Ling if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 33673d7072f8Seschrock (uint64_t **)&vs, &vsc) != 0 || 33683d7072f8Seschrock vs->vs_state >= VDEV_STATE_DEGRADED) && 33693d7072f8Seschrock zhp != NULL && 3370c67d9675Seschrock nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { 3371c67d9675Seschrock /* 3372c67d9675Seschrock * Determine if the current path is correct. 3373c67d9675Seschrock */ 3374c67d9675Seschrock char *newdevid = path_to_devid(path); 3375c67d9675Seschrock 3376c67d9675Seschrock if (newdevid == NULL || 3377c67d9675Seschrock strcmp(devid, newdevid) != 0) { 3378c67d9675Seschrock char *newpath; 3379c67d9675Seschrock 3380c67d9675Seschrock if ((newpath = devid_to_path(devid)) != NULL) { 3381c67d9675Seschrock /* 3382c67d9675Seschrock * Update the path appropriately. 3383c67d9675Seschrock */ 3384c67d9675Seschrock set_path(zhp, nv, newpath); 338599653d4eSeschrock if (nvlist_add_string(nv, 338699653d4eSeschrock ZPOOL_CONFIG_PATH, newpath) == 0) 338799653d4eSeschrock verify(nvlist_lookup_string(nv, 338899653d4eSeschrock ZPOOL_CONFIG_PATH, 338999653d4eSeschrock &path) == 0); 3390c67d9675Seschrock free(newpath); 3391c67d9675Seschrock } 3392c67d9675Seschrock } 3393c67d9675Seschrock 339499653d4eSeschrock if (newdevid) 339599653d4eSeschrock devid_str_free(newdevid); 3396c67d9675Seschrock } 3397c67d9675Seschrock 33986401734dSWill Andrews if (strncmp(path, ZFS_DISK_ROOTD, strlen(ZFS_DISK_ROOTD)) == 0) 33996401734dSWill Andrews path += strlen(ZFS_DISK_ROOTD); 3400c67d9675Seschrock 3401c67d9675Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 3402ea8dc4b6Seschrock &value) == 0 && value) { 34033fdda499SJohn Harres int pathlen = strlen(path); 340499653d4eSeschrock char *tmp = zfs_strdup(hdl, path); 34053fdda499SJohn Harres 34063fdda499SJohn Harres /* 34073fdda499SJohn Harres * If it starts with c#, and ends with "s0", chop 34083fdda499SJohn Harres * the "s0" off, or if it ends with "s0/old", remove 34093fdda499SJohn Harres * the "s0" from the middle. 34103fdda499SJohn Harres */ 34113fdda499SJohn Harres if (CTD_CHECK(tmp)) { 34123fdda499SJohn Harres if (strcmp(&tmp[pathlen - 2], "s0") == 0) { 34133fdda499SJohn Harres tmp[pathlen - 2] = '\0'; 34143fdda499SJohn Harres } else if (pathlen > 6 && 34153fdda499SJohn Harres strcmp(&tmp[pathlen - 6], "s0/old") == 0) { 34163fdda499SJohn Harres (void) strcpy(&tmp[pathlen - 6], 34173fdda499SJohn Harres "/old"); 34183fdda499SJohn Harres } 34193fdda499SJohn Harres } 3420c67d9675Seschrock return (tmp); 3421c67d9675Seschrock } 3422c67d9675Seschrock } else { 3423c67d9675Seschrock verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); 342499653d4eSeschrock 342599653d4eSeschrock /* 342699653d4eSeschrock * If it's a raidz device, we need to stick in the parity level. 342799653d4eSeschrock */ 342899653d4eSeschrock if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { 342999653d4eSeschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, 343099653d4eSeschrock &value) == 0); 343199653d4eSeschrock (void) snprintf(buf, sizeof (buf), "%s%llu", path, 34325ad82045Snd (u_longlong_t)value); 343399653d4eSeschrock path = buf; 343499653d4eSeschrock } 343588ecc943SGeorge Wilson 343688ecc943SGeorge Wilson /* 343788ecc943SGeorge Wilson * We identify each top-level vdev by using a <type-id> 343888ecc943SGeorge Wilson * naming convention. 343988ecc943SGeorge Wilson */ 344088ecc943SGeorge Wilson if (verbose) { 344188ecc943SGeorge Wilson uint64_t id; 344288ecc943SGeorge Wilson 344388ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 344488ecc943SGeorge Wilson &id) == 0); 344588ecc943SGeorge Wilson (void) snprintf(buf, sizeof (buf), "%s-%llu", path, 344688ecc943SGeorge Wilson (u_longlong_t)id); 344788ecc943SGeorge Wilson path = buf; 344888ecc943SGeorge Wilson } 3449c67d9675Seschrock } 3450c67d9675Seschrock 345199653d4eSeschrock return (zfs_strdup(hdl, path)); 3452c67d9675Seschrock } 3453ea8dc4b6Seschrock 3454ea8dc4b6Seschrock static int 3455a2cdcdd2SPaul Dagnelie zbookmark_mem_compare(const void *a, const void *b) 3456ea8dc4b6Seschrock { 34577802d7bfSMatthew Ahrens return (memcmp(a, b, sizeof (zbookmark_phys_t))); 3458ea8dc4b6Seschrock } 3459ea8dc4b6Seschrock 3460ea8dc4b6Seschrock /* 3461ea8dc4b6Seschrock * Retrieve the persistent error log, uniquify the members, and return to the 3462ea8dc4b6Seschrock * caller. 3463ea8dc4b6Seschrock */ 3464ea8dc4b6Seschrock int 346555434c77Sek zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) 3466ea8dc4b6Seschrock { 3467ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3468ea8dc4b6Seschrock uint64_t count; 34697802d7bfSMatthew Ahrens zbookmark_phys_t *zb = NULL; 347055434c77Sek int i; 3471ea8dc4b6Seschrock 3472ea8dc4b6Seschrock /* 3473ea8dc4b6Seschrock * Retrieve the raw error list from the kernel. If the number of errors 3474ea8dc4b6Seschrock * has increased, allocate more space and continue until we get the 3475ea8dc4b6Seschrock * entire list. 3476ea8dc4b6Seschrock */ 3477ea8dc4b6Seschrock verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, 3478ea8dc4b6Seschrock &count) == 0); 347975519f38Sek if (count == 0) 348075519f38Sek return (0); 3481e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, 34827802d7bfSMatthew Ahrens count * sizeof (zbookmark_phys_t))) == (uintptr_t)NULL) 348399653d4eSeschrock return (-1); 3484e9dbad6fSeschrock zc.zc_nvlist_dst_size = count; 3485ea8dc4b6Seschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3486ea8dc4b6Seschrock for (;;) { 348799653d4eSeschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, 348899653d4eSeschrock &zc) != 0) { 3489e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 3490ea8dc4b6Seschrock if (errno == ENOMEM) { 34917802d7bfSMatthew Ahrens void *dst; 34927802d7bfSMatthew Ahrens 3493bf561db0Svb count = zc.zc_nvlist_dst_size; 34947802d7bfSMatthew Ahrens dst = zfs_alloc(zhp->zpool_hdl, count * 34957802d7bfSMatthew Ahrens sizeof (zbookmark_phys_t)); 34967802d7bfSMatthew Ahrens if (dst == NULL) 349799653d4eSeschrock return (-1); 34987802d7bfSMatthew Ahrens zc.zc_nvlist_dst = (uintptr_t)dst; 3499ea8dc4b6Seschrock } else { 3500ea8dc4b6Seschrock return (-1); 3501ea8dc4b6Seschrock } 3502ea8dc4b6Seschrock } else { 3503ea8dc4b6Seschrock break; 3504ea8dc4b6Seschrock } 3505ea8dc4b6Seschrock } 3506ea8dc4b6Seschrock 3507ea8dc4b6Seschrock /* 3508ea8dc4b6Seschrock * Sort the resulting bookmarks. This is a little confusing due to the 3509ea8dc4b6Seschrock * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last 3510e9dbad6fSeschrock * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks 3511ea8dc4b6Seschrock * _not_ copied as part of the process. So we point the start of our 3512ea8dc4b6Seschrock * array appropriate and decrement the total number of elements. 3513ea8dc4b6Seschrock */ 35147802d7bfSMatthew Ahrens zb = ((zbookmark_phys_t *)(uintptr_t)zc.zc_nvlist_dst) + 3515e9dbad6fSeschrock zc.zc_nvlist_dst_size; 3516e9dbad6fSeschrock count -= zc.zc_nvlist_dst_size; 3517ea8dc4b6Seschrock 3518a2cdcdd2SPaul Dagnelie qsort(zb, count, sizeof (zbookmark_phys_t), zbookmark_mem_compare); 3519ea8dc4b6Seschrock 352055434c77Sek verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); 3521ea8dc4b6Seschrock 3522ea8dc4b6Seschrock /* 352355434c77Sek * Fill in the nverrlistp with nvlist's of dataset and object numbers. 3524ea8dc4b6Seschrock */ 3525ea8dc4b6Seschrock for (i = 0; i < count; i++) { 3526ea8dc4b6Seschrock nvlist_t *nv; 3527ea8dc4b6Seschrock 3528c0a81264Sek /* ignoring zb_blkid and zb_level for now */ 3529c0a81264Sek if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && 3530c0a81264Sek zb[i-1].zb_object == zb[i].zb_object) 3531ea8dc4b6Seschrock continue; 3532ea8dc4b6Seschrock 353355434c77Sek if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) 353455434c77Sek goto nomem; 353555434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, 353655434c77Sek zb[i].zb_objset) != 0) { 353755434c77Sek nvlist_free(nv); 353899653d4eSeschrock goto nomem; 3539ea8dc4b6Seschrock } 354055434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, 354155434c77Sek zb[i].zb_object) != 0) { 354255434c77Sek nvlist_free(nv); 354355434c77Sek goto nomem; 354455434c77Sek } 354555434c77Sek if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { 354655434c77Sek nvlist_free(nv); 354755434c77Sek goto nomem; 354855434c77Sek } 354955434c77Sek nvlist_free(nv); 3550ea8dc4b6Seschrock } 3551ea8dc4b6Seschrock 35523ccfa83cSahrens free((void *)(uintptr_t)zc.zc_nvlist_dst); 3553ea8dc4b6Seschrock return (0); 355499653d4eSeschrock 355599653d4eSeschrock nomem: 3556e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 355799653d4eSeschrock return (no_memory(zhp->zpool_hdl)); 3558ea8dc4b6Seschrock } 3559eaca9bbdSeschrock 3560eaca9bbdSeschrock /* 3561eaca9bbdSeschrock * Upgrade a ZFS pool to the latest on-disk version. 3562eaca9bbdSeschrock */ 3563eaca9bbdSeschrock int 3564990b4856Slling zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) 3565eaca9bbdSeschrock { 3566eaca9bbdSeschrock zfs_cmd_t zc = { 0 }; 356799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3568eaca9bbdSeschrock 3569eaca9bbdSeschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3570990b4856Slling zc.zc_cookie = new_version; 3571990b4856Slling 3572ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) 3573ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 357499653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), 357599653d4eSeschrock zhp->zpool_name)); 3576eaca9bbdSeschrock return (0); 3577eaca9bbdSeschrock } 357806eeb2adSek 357906eeb2adSek void 35804445fffbSMatthew Ahrens zfs_save_arguments(int argc, char **argv, char *string, int len) 358106eeb2adSek { 35824445fffbSMatthew Ahrens (void) strlcpy(string, basename(argv[0]), len); 35834445fffbSMatthew Ahrens for (int i = 1; i < argc; i++) { 35844445fffbSMatthew Ahrens (void) strlcat(string, " ", len); 35854445fffbSMatthew Ahrens (void) strlcat(string, argv[i], len); 35862a6b87f0Sek } 35872a6b87f0Sek } 35882a6b87f0Sek 35892a6b87f0Sek int 35904445fffbSMatthew Ahrens zpool_log_history(libzfs_handle_t *hdl, const char *message) 35912a6b87f0Sek { 35924445fffbSMatthew Ahrens zfs_cmd_t zc = { 0 }; 35934445fffbSMatthew Ahrens nvlist_t *args; 35944445fffbSMatthew Ahrens int err; 35954445fffbSMatthew Ahrens 35964445fffbSMatthew Ahrens args = fnvlist_alloc(); 35974445fffbSMatthew Ahrens fnvlist_add_string(args, "message", message); 35984445fffbSMatthew Ahrens err = zcmd_write_src_nvlist(hdl, &zc, args); 35994445fffbSMatthew Ahrens if (err == 0) 36004445fffbSMatthew Ahrens err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc); 36014445fffbSMatthew Ahrens nvlist_free(args); 36024445fffbSMatthew Ahrens zcmd_free_nvlists(&zc); 36034445fffbSMatthew Ahrens return (err); 360406eeb2adSek } 360506eeb2adSek 360606eeb2adSek /* 360706eeb2adSek * Perform ioctl to get some command history of a pool. 360806eeb2adSek * 360906eeb2adSek * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the 361006eeb2adSek * logical offset of the history buffer to start reading from. 361106eeb2adSek * 361206eeb2adSek * Upon return, 'off' is the next logical offset to read from and 361306eeb2adSek * 'len' is the actual amount of bytes read into 'buf'. 361406eeb2adSek */ 361506eeb2adSek static int 361606eeb2adSek get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) 361706eeb2adSek { 361806eeb2adSek zfs_cmd_t zc = { 0 }; 361906eeb2adSek libzfs_handle_t *hdl = zhp->zpool_hdl; 362006eeb2adSek 362106eeb2adSek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 362206eeb2adSek 362306eeb2adSek zc.zc_history = (uint64_t)(uintptr_t)buf; 362406eeb2adSek zc.zc_history_len = *len; 362506eeb2adSek zc.zc_history_offset = *off; 362606eeb2adSek 362706eeb2adSek if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { 362806eeb2adSek switch (errno) { 362906eeb2adSek case EPERM: 3630ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_PERM, 3631ece3d9b3Slling dgettext(TEXT_DOMAIN, 363206eeb2adSek "cannot show history for pool '%s'"), 363306eeb2adSek zhp->zpool_name)); 363406eeb2adSek case ENOENT: 3635ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_NOHISTORY, 363606eeb2adSek dgettext(TEXT_DOMAIN, "cannot get history for pool " 363706eeb2adSek "'%s'"), zhp->zpool_name)); 3638d7306b64Sek case ENOTSUP: 3639d7306b64Sek return (zfs_error_fmt(hdl, EZFS_BADVERSION, 3640d7306b64Sek dgettext(TEXT_DOMAIN, "cannot get history for pool " 3641d7306b64Sek "'%s', pool must be upgraded"), zhp->zpool_name)); 364206eeb2adSek default: 3643ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 364406eeb2adSek dgettext(TEXT_DOMAIN, 364506eeb2adSek "cannot get history for '%s'"), zhp->zpool_name)); 364606eeb2adSek } 364706eeb2adSek } 364806eeb2adSek 364906eeb2adSek *len = zc.zc_history_len; 365006eeb2adSek *off = zc.zc_history_offset; 365106eeb2adSek 365206eeb2adSek return (0); 365306eeb2adSek } 365406eeb2adSek 365506eeb2adSek /* 365606eeb2adSek * Process the buffer of nvlists, unpacking and storing each nvlist record 365706eeb2adSek * into 'records'. 'leftover' is set to the number of bytes that weren't 365806eeb2adSek * processed as there wasn't a complete record. 365906eeb2adSek */ 36608f18d1faSGeorge Wilson int 366106eeb2adSek zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, 366206eeb2adSek nvlist_t ***records, uint_t *numrecords) 366306eeb2adSek { 366406eeb2adSek uint64_t reclen; 366506eeb2adSek nvlist_t *nv; 366606eeb2adSek int i; 366706eeb2adSek 366806eeb2adSek while (bytes_read > sizeof (reclen)) { 366906eeb2adSek 367006eeb2adSek /* get length of packed record (stored as little endian) */ 367106eeb2adSek for (i = 0, reclen = 0; i < sizeof (reclen); i++) 367206eeb2adSek reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); 367306eeb2adSek 367406eeb2adSek if (bytes_read < sizeof (reclen) + reclen) 367506eeb2adSek break; 367606eeb2adSek 367706eeb2adSek /* unpack record */ 367806eeb2adSek if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) 367906eeb2adSek return (ENOMEM); 368006eeb2adSek bytes_read -= sizeof (reclen) + reclen; 368106eeb2adSek buf += sizeof (reclen) + reclen; 368206eeb2adSek 368306eeb2adSek /* add record to nvlist array */ 368406eeb2adSek (*numrecords)++; 368506eeb2adSek if (ISP2(*numrecords + 1)) { 368606eeb2adSek *records = realloc(*records, 368706eeb2adSek *numrecords * 2 * sizeof (nvlist_t *)); 368806eeb2adSek } 368906eeb2adSek (*records)[*numrecords - 1] = nv; 369006eeb2adSek } 369106eeb2adSek 369206eeb2adSek *leftover = bytes_read; 369306eeb2adSek return (0); 369406eeb2adSek } 369506eeb2adSek 369606eeb2adSek /* 369706eeb2adSek * Retrieve the command history of a pool. 369806eeb2adSek */ 369906eeb2adSek int 370006eeb2adSek zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) 370106eeb2adSek { 37023339867aSMatthew Ahrens char *buf; 37033339867aSMatthew Ahrens int buflen = 128 * 1024; 370406eeb2adSek uint64_t off = 0; 370506eeb2adSek nvlist_t **records = NULL; 370606eeb2adSek uint_t numrecords = 0; 370706eeb2adSek int err, i; 370806eeb2adSek 37093339867aSMatthew Ahrens buf = malloc(buflen); 37103339867aSMatthew Ahrens if (buf == NULL) 37113339867aSMatthew Ahrens return (ENOMEM); 371206eeb2adSek do { 37133339867aSMatthew Ahrens uint64_t bytes_read = buflen; 371406eeb2adSek uint64_t leftover; 371506eeb2adSek 371606eeb2adSek if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) 371706eeb2adSek break; 371806eeb2adSek 371906eeb2adSek /* if nothing else was read in, we're at EOF, just return */ 372006eeb2adSek if (!bytes_read) 372106eeb2adSek break; 372206eeb2adSek 372306eeb2adSek if ((err = zpool_history_unpack(buf, bytes_read, 372406eeb2adSek &leftover, &records, &numrecords)) != 0) 372506eeb2adSek break; 372606eeb2adSek off -= leftover; 37273339867aSMatthew Ahrens if (leftover == bytes_read) { 37283339867aSMatthew Ahrens /* 37293339867aSMatthew Ahrens * no progress made, because buffer is not big enough 37303339867aSMatthew Ahrens * to hold this record; resize and retry. 37313339867aSMatthew Ahrens */ 37323339867aSMatthew Ahrens buflen *= 2; 37333339867aSMatthew Ahrens free(buf); 37343339867aSMatthew Ahrens buf = malloc(buflen); 37353339867aSMatthew Ahrens if (buf == NULL) 37363339867aSMatthew Ahrens return (ENOMEM); 37373339867aSMatthew Ahrens } 373806eeb2adSek 373906eeb2adSek /* CONSTCOND */ 374006eeb2adSek } while (1); 374106eeb2adSek 37423339867aSMatthew Ahrens free(buf); 37433339867aSMatthew Ahrens 374406eeb2adSek if (!err) { 374506eeb2adSek verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); 374606eeb2adSek verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, 374706eeb2adSek records, numrecords) == 0); 374806eeb2adSek } 374906eeb2adSek for (i = 0; i < numrecords; i++) 375006eeb2adSek nvlist_free(records[i]); 375106eeb2adSek free(records); 375206eeb2adSek 375306eeb2adSek return (err); 375406eeb2adSek } 375555434c77Sek 375655434c77Sek void 375755434c77Sek zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, 375855434c77Sek char *pathname, size_t len) 375955434c77Sek { 376055434c77Sek zfs_cmd_t zc = { 0 }; 376155434c77Sek boolean_t mounted = B_FALSE; 376255434c77Sek char *mntpnt = NULL; 3763*9adfa60dSMatthew Ahrens char dsname[ZFS_MAX_DATASET_NAME_LEN]; 376455434c77Sek 376555434c77Sek if (dsobj == 0) { 376655434c77Sek /* special case for the MOS */ 376755434c77Sek (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj); 376855434c77Sek return; 376955434c77Sek } 377055434c77Sek 377155434c77Sek /* get the dataset's name */ 377255434c77Sek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 377355434c77Sek zc.zc_obj = dsobj; 377455434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, 377555434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { 377655434c77Sek /* just write out a path of two object numbers */ 377755434c77Sek (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", 377855434c77Sek dsobj, obj); 377955434c77Sek return; 378055434c77Sek } 378155434c77Sek (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); 378255434c77Sek 378355434c77Sek /* find out if the dataset is mounted */ 378455434c77Sek mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); 378555434c77Sek 378655434c77Sek /* get the corrupted object's path */ 378755434c77Sek (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); 378855434c77Sek zc.zc_obj = obj; 378955434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, 379055434c77Sek &zc) == 0) { 379155434c77Sek if (mounted) { 379255434c77Sek (void) snprintf(pathname, len, "%s%s", mntpnt, 379355434c77Sek zc.zc_value); 379455434c77Sek } else { 379555434c77Sek (void) snprintf(pathname, len, "%s:%s", 379655434c77Sek dsname, zc.zc_value); 379755434c77Sek } 379855434c77Sek } else { 379955434c77Sek (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj); 380055434c77Sek } 380155434c77Sek free(mntpnt); 380255434c77Sek } 3803b1b8ab34Slling 380415e6edf1Sgw /* 380515e6edf1Sgw * Read the EFI label from the config, if a label does not exist then 380615e6edf1Sgw * pass back the error to the caller. If the caller has passed a non-NULL 380715e6edf1Sgw * diskaddr argument then we set it to the starting address of the EFI 380815e6edf1Sgw * partition. 380915e6edf1Sgw */ 381015e6edf1Sgw static int 381115e6edf1Sgw read_efi_label(nvlist_t *config, diskaddr_t *sb) 381215e6edf1Sgw { 381315e6edf1Sgw char *path; 381415e6edf1Sgw int fd; 381515e6edf1Sgw char diskname[MAXPATHLEN]; 381615e6edf1Sgw int err = -1; 381715e6edf1Sgw 381815e6edf1Sgw if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) 381915e6edf1Sgw return (err); 382015e6edf1Sgw 38216401734dSWill Andrews (void) snprintf(diskname, sizeof (diskname), "%s%s", ZFS_RDISK_ROOT, 382215e6edf1Sgw strrchr(path, '/')); 382315e6edf1Sgw if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { 382415e6edf1Sgw struct dk_gpt *vtoc; 382515e6edf1Sgw 382615e6edf1Sgw if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { 382715e6edf1Sgw if (sb != NULL) 382815e6edf1Sgw *sb = vtoc->efi_parts[0].p_start; 382915e6edf1Sgw efi_free(vtoc); 383015e6edf1Sgw } 383115e6edf1Sgw (void) close(fd); 383215e6edf1Sgw } 383315e6edf1Sgw return (err); 383415e6edf1Sgw } 383515e6edf1Sgw 38368488aeb5Staylor /* 38378488aeb5Staylor * determine where a partition starts on a disk in the current 38388488aeb5Staylor * configuration 38398488aeb5Staylor */ 38408488aeb5Staylor static diskaddr_t 38418488aeb5Staylor find_start_block(nvlist_t *config) 38428488aeb5Staylor { 38438488aeb5Staylor nvlist_t **child; 38448488aeb5Staylor uint_t c, children; 38458488aeb5Staylor diskaddr_t sb = MAXOFFSET_T; 38468488aeb5Staylor uint64_t wholedisk; 38478488aeb5Staylor 38488488aeb5Staylor if (nvlist_lookup_nvlist_array(config, 38498488aeb5Staylor ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { 38508488aeb5Staylor if (nvlist_lookup_uint64(config, 38518488aeb5Staylor ZPOOL_CONFIG_WHOLE_DISK, 38528488aeb5Staylor &wholedisk) != 0 || !wholedisk) { 38538488aeb5Staylor return (MAXOFFSET_T); 38548488aeb5Staylor } 385515e6edf1Sgw if (read_efi_label(config, &sb) < 0) 385615e6edf1Sgw sb = MAXOFFSET_T; 38578488aeb5Staylor return (sb); 38588488aeb5Staylor } 38598488aeb5Staylor 38608488aeb5Staylor for (c = 0; c < children; c++) { 38618488aeb5Staylor sb = find_start_block(child[c]); 38628488aeb5Staylor if (sb != MAXOFFSET_T) { 38638488aeb5Staylor return (sb); 38648488aeb5Staylor } 38658488aeb5Staylor } 38668488aeb5Staylor return (MAXOFFSET_T); 38678488aeb5Staylor } 38688488aeb5Staylor 38698488aeb5Staylor /* 38708488aeb5Staylor * Label an individual disk. The name provided is the short name, 38718488aeb5Staylor * stripped of any leading /dev path. 38728488aeb5Staylor */ 38738488aeb5Staylor int 38746401734dSWill Andrews zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, const char *name) 38758488aeb5Staylor { 38768488aeb5Staylor char path[MAXPATHLEN]; 38778488aeb5Staylor struct dk_gpt *vtoc; 38788488aeb5Staylor int fd; 38798488aeb5Staylor size_t resv = EFI_MIN_RESV_SIZE; 38808488aeb5Staylor uint64_t slice_size; 38818488aeb5Staylor diskaddr_t start_block; 38828488aeb5Staylor char errbuf[1024]; 38838488aeb5Staylor 3884c6ef114fSmmusante /* prepare an error message just in case */ 3885c6ef114fSmmusante (void) snprintf(errbuf, sizeof (errbuf), 3886c6ef114fSmmusante dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); 3887c6ef114fSmmusante 38888488aeb5Staylor if (zhp) { 38898488aeb5Staylor nvlist_t *nvroot; 38908488aeb5Staylor 38918488aeb5Staylor verify(nvlist_lookup_nvlist(zhp->zpool_config, 38928488aeb5Staylor ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 38938488aeb5Staylor 38948488aeb5Staylor if (zhp->zpool_start_block == 0) 38958488aeb5Staylor start_block = find_start_block(nvroot); 38968488aeb5Staylor else 38978488aeb5Staylor start_block = zhp->zpool_start_block; 38988488aeb5Staylor zhp->zpool_start_block = start_block; 38998488aeb5Staylor } else { 39008488aeb5Staylor /* new pool */ 39018488aeb5Staylor start_block = NEW_START_BLOCK; 39028488aeb5Staylor } 39038488aeb5Staylor 39046401734dSWill Andrews (void) snprintf(path, sizeof (path), "%s/%s%s", ZFS_RDISK_ROOT, name, 39058488aeb5Staylor BACKUP_SLICE); 39068488aeb5Staylor 39078488aeb5Staylor if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 39088488aeb5Staylor /* 39098488aeb5Staylor * This shouldn't happen. We've long since verified that this 39108488aeb5Staylor * is a valid device. 39118488aeb5Staylor */ 3912c6ef114fSmmusante zfs_error_aux(hdl, 3913c6ef114fSmmusante dgettext(TEXT_DOMAIN, "unable to open device")); 39148488aeb5Staylor return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 39158488aeb5Staylor } 39168488aeb5Staylor 39178488aeb5Staylor if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { 39188488aeb5Staylor /* 39198488aeb5Staylor * The only way this can fail is if we run out of memory, or we 39208488aeb5Staylor * were unable to read the disk's capacity 39218488aeb5Staylor */ 39228488aeb5Staylor if (errno == ENOMEM) 39238488aeb5Staylor (void) no_memory(hdl); 39248488aeb5Staylor 39258488aeb5Staylor (void) close(fd); 3926c6ef114fSmmusante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3927c6ef114fSmmusante "unable to read disk capacity"), name); 39288488aeb5Staylor 39298488aeb5Staylor return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 39308488aeb5Staylor } 39318488aeb5Staylor 39328488aeb5Staylor slice_size = vtoc->efi_last_u_lba + 1; 39338488aeb5Staylor slice_size -= EFI_MIN_RESV_SIZE; 39348488aeb5Staylor if (start_block == MAXOFFSET_T) 39358488aeb5Staylor start_block = NEW_START_BLOCK; 39368488aeb5Staylor slice_size -= start_block; 39378488aeb5Staylor 39388488aeb5Staylor vtoc->efi_parts[0].p_start = start_block; 39398488aeb5Staylor vtoc->efi_parts[0].p_size = slice_size; 39408488aeb5Staylor 39418488aeb5Staylor /* 39428488aeb5Staylor * Why we use V_USR: V_BACKUP confuses users, and is considered 39438488aeb5Staylor * disposable by some EFI utilities (since EFI doesn't have a backup 39448488aeb5Staylor * slice). V_UNASSIGNED is supposed to be used only for zero size 39458488aeb5Staylor * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, 39468488aeb5Staylor * etc. were all pretty specific. V_USR is as close to reality as we 39478488aeb5Staylor * can get, in the absence of V_OTHER. 39488488aeb5Staylor */ 39498488aeb5Staylor vtoc->efi_parts[0].p_tag = V_USR; 39508488aeb5Staylor (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); 39518488aeb5Staylor 39528488aeb5Staylor vtoc->efi_parts[8].p_start = slice_size + start_block; 39538488aeb5Staylor vtoc->efi_parts[8].p_size = resv; 39548488aeb5Staylor vtoc->efi_parts[8].p_tag = V_RESERVED; 39558488aeb5Staylor 39568488aeb5Staylor if (efi_write(fd, vtoc) != 0) { 39578488aeb5Staylor /* 39588488aeb5Staylor * Some block drivers (like pcata) may not support EFI 39598488aeb5Staylor * GPT labels. Print out a helpful error message dir- 39608488aeb5Staylor * ecting the user to manually label the disk and give 39618488aeb5Staylor * a specific slice. 39628488aeb5Staylor */ 39638488aeb5Staylor (void) close(fd); 39648488aeb5Staylor efi_free(vtoc); 39658488aeb5Staylor 39668488aeb5Staylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3967c6ef114fSmmusante "try using fdisk(1M) and then provide a specific slice")); 39688488aeb5Staylor return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); 39698488aeb5Staylor } 39708488aeb5Staylor 39718488aeb5Staylor (void) close(fd); 39728488aeb5Staylor efi_free(vtoc); 39738488aeb5Staylor return (0); 39748488aeb5Staylor } 3975e7cbe64fSgw 3976e7cbe64fSgw static boolean_t 3977e7cbe64fSgw supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) 3978e7cbe64fSgw { 3979e7cbe64fSgw char *type; 3980e7cbe64fSgw nvlist_t **child; 3981e7cbe64fSgw uint_t children, c; 3982e7cbe64fSgw 3983e7cbe64fSgw verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); 3984810e43b2SBill Pijewski if (strcmp(type, VDEV_TYPE_FILE) == 0 || 398588ecc943SGeorge Wilson strcmp(type, VDEV_TYPE_HOLE) == 0 || 3986e7cbe64fSgw strcmp(type, VDEV_TYPE_MISSING) == 0) { 3987e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3988e7cbe64fSgw "vdev type '%s' is not supported"), type); 3989e7cbe64fSgw (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); 3990e7cbe64fSgw return (B_FALSE); 3991e7cbe64fSgw } 3992e7cbe64fSgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 3993e7cbe64fSgw &child, &children) == 0) { 3994e7cbe64fSgw for (c = 0; c < children; c++) { 3995e7cbe64fSgw if (!supported_dump_vdev_type(hdl, child[c], errbuf)) 3996e7cbe64fSgw return (B_FALSE); 3997e7cbe64fSgw } 3998e7cbe64fSgw } 3999e7cbe64fSgw return (B_TRUE); 4000e7cbe64fSgw } 4001e7cbe64fSgw 4002e7cbe64fSgw /* 4003810e43b2SBill Pijewski * Check if this zvol is allowable for use as a dump device; zero if 4004810e43b2SBill Pijewski * it is, > 0 if it isn't, < 0 if it isn't a zvol. 4005810e43b2SBill Pijewski * 4006810e43b2SBill Pijewski * Allowable storage configurations include mirrors, all raidz variants, and 4007810e43b2SBill Pijewski * pools with log, cache, and spare devices. Pools which are backed by files or 4008810e43b2SBill Pijewski * have missing/hole vdevs are not suitable. 4009e7cbe64fSgw */ 4010e7cbe64fSgw int 4011e7cbe64fSgw zvol_check_dump_config(char *arg) 4012e7cbe64fSgw { 4013e7cbe64fSgw zpool_handle_t *zhp = NULL; 4014e7cbe64fSgw nvlist_t *config, *nvroot; 4015e7cbe64fSgw char *p, *volname; 4016e7cbe64fSgw nvlist_t **top; 4017e7cbe64fSgw uint_t toplevels; 4018e7cbe64fSgw libzfs_handle_t *hdl; 4019e7cbe64fSgw char errbuf[1024]; 4020*9adfa60dSMatthew Ahrens char poolname[ZFS_MAX_DATASET_NAME_LEN]; 4021e7cbe64fSgw int pathlen = strlen(ZVOL_FULL_DEV_DIR); 4022e7cbe64fSgw int ret = 1; 4023e7cbe64fSgw 4024e7cbe64fSgw if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { 4025e7cbe64fSgw return (-1); 4026e7cbe64fSgw } 4027e7cbe64fSgw 4028e7cbe64fSgw (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4029e7cbe64fSgw "dump is not supported on device '%s'"), arg); 4030e7cbe64fSgw 4031e7cbe64fSgw if ((hdl = libzfs_init()) == NULL) 4032e7cbe64fSgw return (1); 4033e7cbe64fSgw libzfs_print_on_error(hdl, B_TRUE); 4034e7cbe64fSgw 4035e7cbe64fSgw volname = arg + pathlen; 4036e7cbe64fSgw 4037e7cbe64fSgw /* check the configuration of the pool */ 4038e7cbe64fSgw if ((p = strchr(volname, '/')) == NULL) { 4039e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4040e7cbe64fSgw "malformed dataset name")); 4041e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 4042e7cbe64fSgw return (1); 4043*9adfa60dSMatthew Ahrens } else if (p - volname >= ZFS_MAX_DATASET_NAME_LEN) { 4044e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4045e7cbe64fSgw "dataset name is too long")); 4046e7cbe64fSgw (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); 4047e7cbe64fSgw return (1); 4048e7cbe64fSgw } else { 4049e7cbe64fSgw (void) strncpy(poolname, volname, p - volname); 4050e7cbe64fSgw poolname[p - volname] = '\0'; 4051e7cbe64fSgw } 4052e7cbe64fSgw 4053e7cbe64fSgw if ((zhp = zpool_open(hdl, poolname)) == NULL) { 4054e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4055e7cbe64fSgw "could not open pool '%s'"), poolname); 4056e7cbe64fSgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 4057e7cbe64fSgw goto out; 4058e7cbe64fSgw } 4059e7cbe64fSgw config = zpool_get_config(zhp, NULL); 4060e7cbe64fSgw if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4061e7cbe64fSgw &nvroot) != 0) { 4062e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4063e7cbe64fSgw "could not obtain vdev configuration for '%s'"), poolname); 4064e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); 4065e7cbe64fSgw goto out; 4066e7cbe64fSgw } 4067e7cbe64fSgw 4068e7cbe64fSgw verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 4069e7cbe64fSgw &top, &toplevels) == 0); 4070e7cbe64fSgw 4071e7cbe64fSgw if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { 4072e7cbe64fSgw goto out; 4073e7cbe64fSgw } 4074e7cbe64fSgw ret = 0; 4075e7cbe64fSgw 4076e7cbe64fSgw out: 4077e7cbe64fSgw if (zhp) 4078e7cbe64fSgw zpool_close(zhp); 4079e7cbe64fSgw libzfs_fini(hdl); 4080e7cbe64fSgw return (ret); 4081e7cbe64fSgw } 4082