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. 24e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25e9103aaeSGarrett D'Amore * Copyright (c) 2011 by Delphix. All rights reserved. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 28fa9e4066Sahrens #include <ctype.h> 29fa9e4066Sahrens #include <errno.h> 30fa9e4066Sahrens #include <devid.h> 31fa9e4066Sahrens #include <fcntl.h> 32fa9e4066Sahrens #include <libintl.h> 33fa9e4066Sahrens #include <stdio.h> 34fa9e4066Sahrens #include <stdlib.h> 35f3861e1aSahl #include <strings.h> 36fa9e4066Sahrens #include <unistd.h> 378488aeb5Staylor #include <sys/efi_partition.h> 388488aeb5Staylor #include <sys/vtoc.h> 39fa9e4066Sahrens #include <sys/zfs_ioctl.h> 40573ca77eSGeorge Wilson #include <dlfcn.h> 41fa9e4066Sahrens 42fa9e4066Sahrens #include "zfs_namecheck.h" 43b1b8ab34Slling #include "zfs_prop.h" 44fa9e4066Sahrens #include "libzfs_impl.h" 45468c413aSTim Haley #include "zfs_comutil.h" 46fa9e4066Sahrens 4715e6edf1Sgw static int read_efi_label(nvlist_t *config, diskaddr_t *sb); 48990b4856Slling 49573ca77eSGeorge Wilson #define DISK_ROOT "/dev/dsk" 50573ca77eSGeorge Wilson #define RDISK_ROOT "/dev/rdsk" 51573ca77eSGeorge Wilson #define BACKUP_SLICE "s2" 52573ca77eSGeorge Wilson 53f9af39baSGeorge Wilson typedef struct prop_flags { 54f9af39baSGeorge Wilson int create:1; /* Validate property on creation */ 55f9af39baSGeorge Wilson int import:1; /* Validate property on import */ 56f9af39baSGeorge Wilson } prop_flags_t; 57f9af39baSGeorge Wilson 58990b4856Slling /* 59990b4856Slling * ==================================================================== 60990b4856Slling * zpool property functions 61990b4856Slling * ==================================================================== 62990b4856Slling */ 63990b4856Slling 64990b4856Slling static int 65990b4856Slling zpool_get_all_props(zpool_handle_t *zhp) 66990b4856Slling { 67990b4856Slling zfs_cmd_t zc = { 0 }; 68990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 69990b4856Slling 70990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 71990b4856Slling 72990b4856Slling if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) 73990b4856Slling return (-1); 74990b4856Slling 75990b4856Slling while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { 76990b4856Slling if (errno == ENOMEM) { 77990b4856Slling if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 78990b4856Slling zcmd_free_nvlists(&zc); 79990b4856Slling return (-1); 80990b4856Slling } 81990b4856Slling } else { 82990b4856Slling zcmd_free_nvlists(&zc); 83990b4856Slling return (-1); 84990b4856Slling } 85990b4856Slling } 86990b4856Slling 87990b4856Slling if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { 88990b4856Slling zcmd_free_nvlists(&zc); 89990b4856Slling return (-1); 90990b4856Slling } 91990b4856Slling 92990b4856Slling zcmd_free_nvlists(&zc); 93990b4856Slling 94990b4856Slling return (0); 95990b4856Slling } 96990b4856Slling 97990b4856Slling static int 98990b4856Slling zpool_props_refresh(zpool_handle_t *zhp) 99990b4856Slling { 100990b4856Slling nvlist_t *old_props; 101990b4856Slling 102990b4856Slling old_props = zhp->zpool_props; 103990b4856Slling 104990b4856Slling if (zpool_get_all_props(zhp) != 0) 105990b4856Slling return (-1); 106990b4856Slling 107990b4856Slling nvlist_free(old_props); 108990b4856Slling return (0); 109990b4856Slling } 110990b4856Slling 111990b4856Slling static char * 112990b4856Slling zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, 113990b4856Slling zprop_source_t *src) 114990b4856Slling { 115990b4856Slling nvlist_t *nv, *nvl; 116990b4856Slling uint64_t ival; 117990b4856Slling char *value; 118990b4856Slling zprop_source_t source; 119990b4856Slling 120990b4856Slling nvl = zhp->zpool_props; 121990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 122990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); 123990b4856Slling source = ival; 124990b4856Slling verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); 125990b4856Slling } else { 126990b4856Slling source = ZPROP_SRC_DEFAULT; 127990b4856Slling if ((value = (char *)zpool_prop_default_string(prop)) == NULL) 128990b4856Slling value = "-"; 129990b4856Slling } 130990b4856Slling 131990b4856Slling if (src) 132990b4856Slling *src = source; 133990b4856Slling 134990b4856Slling return (value); 135990b4856Slling } 136990b4856Slling 137990b4856Slling uint64_t 138990b4856Slling zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) 139990b4856Slling { 140990b4856Slling nvlist_t *nv, *nvl; 141990b4856Slling uint64_t value; 142990b4856Slling zprop_source_t source; 143990b4856Slling 144b87f3af3Sperrin if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { 145b87f3af3Sperrin /* 146b87f3af3Sperrin * zpool_get_all_props() has most likely failed because 147b87f3af3Sperrin * the pool is faulted, but if all we need is the top level 148b87f3af3Sperrin * vdev's guid then get it from the zhp config nvlist. 149b87f3af3Sperrin */ 150b87f3af3Sperrin if ((prop == ZPOOL_PROP_GUID) && 151b87f3af3Sperrin (nvlist_lookup_nvlist(zhp->zpool_config, 152b87f3af3Sperrin ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && 153b87f3af3Sperrin (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) 154b87f3af3Sperrin == 0)) { 155b87f3af3Sperrin return (value); 156b87f3af3Sperrin } 157990b4856Slling return (zpool_prop_default_numeric(prop)); 158b87f3af3Sperrin } 159990b4856Slling 160990b4856Slling nvl = zhp->zpool_props; 161990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 162990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); 163990b4856Slling source = value; 164990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); 165990b4856Slling } else { 166990b4856Slling source = ZPROP_SRC_DEFAULT; 167990b4856Slling value = zpool_prop_default_numeric(prop); 168990b4856Slling } 169990b4856Slling 170990b4856Slling if (src) 171990b4856Slling *src = source; 172990b4856Slling 173990b4856Slling return (value); 174990b4856Slling } 175990b4856Slling 176990b4856Slling /* 177990b4856Slling * Map VDEV STATE to printed strings. 178990b4856Slling */ 179990b4856Slling char * 180990b4856Slling zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) 181990b4856Slling { 182990b4856Slling switch (state) { 183990b4856Slling case VDEV_STATE_CLOSED: 184990b4856Slling case VDEV_STATE_OFFLINE: 185990b4856Slling return (gettext("OFFLINE")); 186990b4856Slling case VDEV_STATE_REMOVED: 187990b4856Slling return (gettext("REMOVED")); 188990b4856Slling case VDEV_STATE_CANT_OPEN: 189b87f3af3Sperrin if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) 190990b4856Slling return (gettext("FAULTED")); 1911195e687SMark J Musante else if (aux == VDEV_AUX_SPLIT_POOL) 1921195e687SMark J Musante return (gettext("SPLIT")); 193990b4856Slling else 194990b4856Slling return (gettext("UNAVAIL")); 195990b4856Slling case VDEV_STATE_FAULTED: 196990b4856Slling return (gettext("FAULTED")); 197990b4856Slling case VDEV_STATE_DEGRADED: 198990b4856Slling return (gettext("DEGRADED")); 199990b4856Slling case VDEV_STATE_HEALTHY: 200990b4856Slling return (gettext("ONLINE")); 201990b4856Slling } 202990b4856Slling 203990b4856Slling return (gettext("UNKNOWN")); 204990b4856Slling } 205990b4856Slling 206990b4856Slling /* 207990b4856Slling * Get a zpool property value for 'prop' and return the value in 208990b4856Slling * a pre-allocated buffer. 209990b4856Slling */ 210990b4856Slling int 211990b4856Slling zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, 212990b4856Slling zprop_source_t *srctype) 213990b4856Slling { 214990b4856Slling uint64_t intval; 215990b4856Slling const char *strval; 216990b4856Slling zprop_source_t src = ZPROP_SRC_NONE; 217990b4856Slling nvlist_t *nvroot; 218990b4856Slling vdev_stat_t *vs; 219990b4856Slling uint_t vsc; 220990b4856Slling 221990b4856Slling if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 222379c004dSEric Schrock switch (prop) { 223379c004dSEric Schrock case ZPOOL_PROP_NAME: 224990b4856Slling (void) strlcpy(buf, zpool_get_name(zhp), len); 225379c004dSEric Schrock break; 226379c004dSEric Schrock 227379c004dSEric Schrock case ZPOOL_PROP_HEALTH: 228990b4856Slling (void) strlcpy(buf, "FAULTED", len); 229379c004dSEric Schrock break; 230379c004dSEric Schrock 231379c004dSEric Schrock case ZPOOL_PROP_GUID: 232379c004dSEric Schrock intval = zpool_get_prop_int(zhp, prop, &src); 233379c004dSEric Schrock (void) snprintf(buf, len, "%llu", intval); 234379c004dSEric Schrock break; 235379c004dSEric Schrock 236379c004dSEric Schrock case ZPOOL_PROP_ALTROOT: 237379c004dSEric Schrock case ZPOOL_PROP_CACHEFILE: 238*8704186eSDan McDonald case ZPOOL_PROP_COMMENT: 239379c004dSEric Schrock if (zhp->zpool_props != NULL || 240379c004dSEric Schrock zpool_get_all_props(zhp) == 0) { 241379c004dSEric Schrock (void) strlcpy(buf, 242379c004dSEric Schrock zpool_get_prop_string(zhp, prop, &src), 243379c004dSEric Schrock len); 244379c004dSEric Schrock if (srctype != NULL) 245379c004dSEric Schrock *srctype = src; 246379c004dSEric Schrock return (0); 247379c004dSEric Schrock } 248379c004dSEric Schrock /* FALLTHROUGH */ 249379c004dSEric Schrock default: 250990b4856Slling (void) strlcpy(buf, "-", len); 251379c004dSEric Schrock break; 252379c004dSEric Schrock } 253379c004dSEric Schrock 254379c004dSEric Schrock if (srctype != NULL) 255379c004dSEric Schrock *srctype = src; 256990b4856Slling return (0); 257990b4856Slling } 258990b4856Slling 259990b4856Slling if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && 260990b4856Slling prop != ZPOOL_PROP_NAME) 261990b4856Slling return (-1); 262990b4856Slling 263990b4856Slling switch (zpool_prop_get_type(prop)) { 264990b4856Slling case PROP_TYPE_STRING: 265990b4856Slling (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), 266990b4856Slling len); 267990b4856Slling break; 268990b4856Slling 269990b4856Slling case PROP_TYPE_NUMBER: 270990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 271990b4856Slling 272990b4856Slling switch (prop) { 273990b4856Slling case ZPOOL_PROP_SIZE: 274485bbbf5SGeorge Wilson case ZPOOL_PROP_ALLOCATED: 275485bbbf5SGeorge Wilson case ZPOOL_PROP_FREE: 276990b4856Slling (void) zfs_nicenum(intval, buf, len); 277990b4856Slling break; 278990b4856Slling 279990b4856Slling case ZPOOL_PROP_CAPACITY: 280990b4856Slling (void) snprintf(buf, len, "%llu%%", 281990b4856Slling (u_longlong_t)intval); 282990b4856Slling break; 283990b4856Slling 284b24ab676SJeff Bonwick case ZPOOL_PROP_DEDUPRATIO: 285b24ab676SJeff Bonwick (void) snprintf(buf, len, "%llu.%02llux", 286b24ab676SJeff Bonwick (u_longlong_t)(intval / 100), 287b24ab676SJeff Bonwick (u_longlong_t)(intval % 100)); 288b24ab676SJeff Bonwick break; 289b24ab676SJeff Bonwick 290990b4856Slling case ZPOOL_PROP_HEALTH: 291990b4856Slling verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 292990b4856Slling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 293990b4856Slling verify(nvlist_lookup_uint64_array(nvroot, 2943f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) 2953f9d6ad7SLin Ling == 0); 296990b4856Slling 297990b4856Slling (void) strlcpy(buf, zpool_state_to_name(intval, 298990b4856Slling vs->vs_aux), len); 299990b4856Slling break; 300990b4856Slling default: 301990b4856Slling (void) snprintf(buf, len, "%llu", intval); 302990b4856Slling } 303990b4856Slling break; 304990b4856Slling 305990b4856Slling case PROP_TYPE_INDEX: 306990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 307990b4856Slling if (zpool_prop_index_to_string(prop, intval, &strval) 308990b4856Slling != 0) 309990b4856Slling return (-1); 310990b4856Slling (void) strlcpy(buf, strval, len); 311990b4856Slling break; 312990b4856Slling 313990b4856Slling default: 314990b4856Slling abort(); 315990b4856Slling } 316990b4856Slling 317990b4856Slling if (srctype) 318990b4856Slling *srctype = src; 319990b4856Slling 320990b4856Slling return (0); 321990b4856Slling } 322990b4856Slling 323990b4856Slling /* 324990b4856Slling * Check if the bootfs name has the same pool name as it is set to. 325990b4856Slling * Assuming bootfs is a valid dataset name. 326990b4856Slling */ 327990b4856Slling static boolean_t 328990b4856Slling bootfs_name_valid(const char *pool, char *bootfs) 329990b4856Slling { 330990b4856Slling int len = strlen(pool); 331990b4856Slling 332fe3e2633SEric Taylor if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) 333990b4856Slling return (B_FALSE); 334990b4856Slling 335990b4856Slling if (strncmp(pool, bootfs, len) == 0 && 336990b4856Slling (bootfs[len] == '/' || bootfs[len] == '\0')) 337990b4856Slling return (B_TRUE); 338990b4856Slling 339990b4856Slling return (B_FALSE); 340990b4856Slling } 341990b4856Slling 34215e6edf1Sgw /* 34315e6edf1Sgw * Inspect the configuration to determine if any of the devices contain 34415e6edf1Sgw * an EFI label. 34515e6edf1Sgw */ 34615e6edf1Sgw static boolean_t 34715e6edf1Sgw pool_uses_efi(nvlist_t *config) 34815e6edf1Sgw { 34915e6edf1Sgw nvlist_t **child; 35015e6edf1Sgw uint_t c, children; 35115e6edf1Sgw 35215e6edf1Sgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 35315e6edf1Sgw &child, &children) != 0) 35415e6edf1Sgw return (read_efi_label(config, NULL) >= 0); 35515e6edf1Sgw 35615e6edf1Sgw for (c = 0; c < children; c++) { 35715e6edf1Sgw if (pool_uses_efi(child[c])) 35815e6edf1Sgw return (B_TRUE); 35915e6edf1Sgw } 36015e6edf1Sgw return (B_FALSE); 36115e6edf1Sgw } 36215e6edf1Sgw 363b5b76fecSGeorge Wilson static boolean_t 364b5b76fecSGeorge Wilson pool_is_bootable(zpool_handle_t *zhp) 365b5b76fecSGeorge Wilson { 366b5b76fecSGeorge Wilson char bootfs[ZPOOL_MAXNAMELEN]; 367b5b76fecSGeorge Wilson 368b5b76fecSGeorge Wilson return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, 369b5b76fecSGeorge Wilson sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-", 370b5b76fecSGeorge Wilson sizeof (bootfs)) != 0); 371b5b76fecSGeorge Wilson } 372b5b76fecSGeorge Wilson 373b5b76fecSGeorge Wilson 374990b4856Slling /* 375990b4856Slling * Given an nvlist of zpool properties to be set, validate that they are 376990b4856Slling * correct, and parse any numeric properties (index, boolean, etc) if they are 377990b4856Slling * specified as strings. 378990b4856Slling */ 379990b4856Slling static nvlist_t * 3800a48a24eStimh zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 381f9af39baSGeorge Wilson nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) 382990b4856Slling { 383990b4856Slling nvpair_t *elem; 384990b4856Slling nvlist_t *retprops; 385990b4856Slling zpool_prop_t prop; 386990b4856Slling char *strval; 387990b4856Slling uint64_t intval; 388*8704186eSDan McDonald char *slash, *check; 3892f8aaab3Seschrock struct stat64 statbuf; 39015e6edf1Sgw zpool_handle_t *zhp; 39115e6edf1Sgw nvlist_t *nvroot; 392990b4856Slling 393990b4856Slling if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { 394990b4856Slling (void) no_memory(hdl); 395990b4856Slling return (NULL); 396990b4856Slling } 397990b4856Slling 398990b4856Slling elem = NULL; 399990b4856Slling while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 400990b4856Slling const char *propname = nvpair_name(elem); 401990b4856Slling 402990b4856Slling /* 403990b4856Slling * Make sure this property is valid and applies to this type. 404990b4856Slling */ 405990b4856Slling if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 406990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 407990b4856Slling "invalid property '%s'"), propname); 408990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 409990b4856Slling goto error; 410990b4856Slling } 411990b4856Slling 412990b4856Slling if (zpool_prop_readonly(prop)) { 413990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 414990b4856Slling "is readonly"), propname); 415990b4856Slling (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 416990b4856Slling goto error; 417990b4856Slling } 418990b4856Slling 419990b4856Slling if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, 420990b4856Slling &strval, &intval, errbuf) != 0) 421990b4856Slling goto error; 422990b4856Slling 423990b4856Slling /* 424990b4856Slling * Perform additional checking for specific properties. 425990b4856Slling */ 426990b4856Slling switch (prop) { 427990b4856Slling case ZPOOL_PROP_VERSION: 428990b4856Slling if (intval < version || intval > SPA_VERSION) { 429990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 430990b4856Slling "property '%s' number %d is invalid."), 431990b4856Slling propname, intval); 432990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 433990b4856Slling goto error; 434990b4856Slling } 435990b4856Slling break; 436990b4856Slling 437990b4856Slling case ZPOOL_PROP_BOOTFS: 438f9af39baSGeorge Wilson if (flags.create || flags.import) { 439990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 440990b4856Slling "property '%s' cannot be set at creation " 441990b4856Slling "or import time"), propname); 442990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 443990b4856Slling goto error; 444990b4856Slling } 445990b4856Slling 446990b4856Slling if (version < SPA_VERSION_BOOTFS) { 447990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 448990b4856Slling "pool must be upgraded to support " 449990b4856Slling "'%s' property"), propname); 450990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 451990b4856Slling goto error; 452990b4856Slling } 453990b4856Slling 454990b4856Slling /* 455990b4856Slling * bootfs property value has to be a dataset name and 456990b4856Slling * the dataset has to be in the same pool as it sets to. 457990b4856Slling */ 458990b4856Slling if (strval[0] != '\0' && !bootfs_name_valid(poolname, 459990b4856Slling strval)) { 460990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 461990b4856Slling "is an invalid name"), strval); 462990b4856Slling (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 463990b4856Slling goto error; 464990b4856Slling } 46515e6edf1Sgw 46615e6edf1Sgw if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { 46715e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 46815e6edf1Sgw "could not open pool '%s'"), poolname); 46915e6edf1Sgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 47015e6edf1Sgw goto error; 47115e6edf1Sgw } 47215e6edf1Sgw verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 47315e6edf1Sgw ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 47415e6edf1Sgw 47515e6edf1Sgw /* 47615e6edf1Sgw * bootfs property cannot be set on a disk which has 47715e6edf1Sgw * been EFI labeled. 47815e6edf1Sgw */ 47915e6edf1Sgw if (pool_uses_efi(nvroot)) { 48015e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 48115e6edf1Sgw "property '%s' not supported on " 48215e6edf1Sgw "EFI labeled devices"), propname); 48315e6edf1Sgw (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); 48415e6edf1Sgw zpool_close(zhp); 48515e6edf1Sgw goto error; 48615e6edf1Sgw } 48715e6edf1Sgw zpool_close(zhp); 488990b4856Slling break; 489990b4856Slling 4902f8aaab3Seschrock case ZPOOL_PROP_ALTROOT: 491f9af39baSGeorge Wilson if (!flags.create && !flags.import) { 492990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 493990b4856Slling "property '%s' can only be set during pool " 494990b4856Slling "creation or import"), propname); 495990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 496990b4856Slling goto error; 497990b4856Slling } 498990b4856Slling 4992f8aaab3Seschrock if (strval[0] != '/') { 500990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5012f8aaab3Seschrock "bad alternate root '%s'"), strval); 5022f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 503990b4856Slling goto error; 504990b4856Slling } 5052f8aaab3Seschrock break; 5062f8aaab3Seschrock 5072f8aaab3Seschrock case ZPOOL_PROP_CACHEFILE: 5082f8aaab3Seschrock if (strval[0] == '\0') 5092f8aaab3Seschrock break; 5102f8aaab3Seschrock 5112f8aaab3Seschrock if (strcmp(strval, "none") == 0) 5122f8aaab3Seschrock break; 513990b4856Slling 514990b4856Slling if (strval[0] != '/') { 515990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5162f8aaab3Seschrock "property '%s' must be empty, an " 5172f8aaab3Seschrock "absolute path, or 'none'"), propname); 518990b4856Slling (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 519990b4856Slling goto error; 520990b4856Slling } 521990b4856Slling 5222f8aaab3Seschrock slash = strrchr(strval, '/'); 523990b4856Slling 5242f8aaab3Seschrock if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || 5252f8aaab3Seschrock strcmp(slash, "/..") == 0) { 5262f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5272f8aaab3Seschrock "'%s' is not a valid file"), strval); 5282f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5292f8aaab3Seschrock goto error; 5302f8aaab3Seschrock } 531990b4856Slling 5322f8aaab3Seschrock *slash = '\0'; 5332f8aaab3Seschrock 5342c32020fSeschrock if (strval[0] != '\0' && 5352c32020fSeschrock (stat64(strval, &statbuf) != 0 || 5362c32020fSeschrock !S_ISDIR(statbuf.st_mode))) { 5372f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5382f8aaab3Seschrock "'%s' is not a valid directory"), 5392f8aaab3Seschrock strval); 5402f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5412f8aaab3Seschrock goto error; 5422f8aaab3Seschrock } 5432f8aaab3Seschrock 5442f8aaab3Seschrock *slash = '/'; 5452f8aaab3Seschrock break; 546f9af39baSGeorge Wilson 547*8704186eSDan McDonald case ZPOOL_PROP_COMMENT: 548*8704186eSDan McDonald for (check = strval; *check != '\0'; check++) { 549*8704186eSDan McDonald if (!isprint(*check)) { 550*8704186eSDan McDonald zfs_error_aux(hdl, 551*8704186eSDan McDonald dgettext(TEXT_DOMAIN, 552*8704186eSDan McDonald "comment may only have printable " 553*8704186eSDan McDonald "characters")); 554*8704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, 555*8704186eSDan McDonald errbuf); 556*8704186eSDan McDonald goto error; 557*8704186eSDan McDonald } 558*8704186eSDan McDonald } 559*8704186eSDan McDonald if (strlen(strval) > ZPROP_MAX_COMMENT) { 560*8704186eSDan McDonald zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 561*8704186eSDan McDonald "comment must not exceed %d characters"), 562*8704186eSDan McDonald ZPROP_MAX_COMMENT); 563*8704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 564*8704186eSDan McDonald goto error; 565*8704186eSDan McDonald } 566*8704186eSDan McDonald break; 567f9af39baSGeorge Wilson case ZPOOL_PROP_READONLY: 568f9af39baSGeorge Wilson if (!flags.import) { 569f9af39baSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 570f9af39baSGeorge Wilson "property '%s' can only be set at " 571f9af39baSGeorge Wilson "import time"), propname); 572f9af39baSGeorge Wilson (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 573f9af39baSGeorge Wilson goto error; 574f9af39baSGeorge Wilson } 575f9af39baSGeorge Wilson break; 576990b4856Slling } 577990b4856Slling } 578990b4856Slling 579990b4856Slling return (retprops); 580990b4856Slling error: 581990b4856Slling nvlist_free(retprops); 582990b4856Slling return (NULL); 583990b4856Slling } 584990b4856Slling 585990b4856Slling /* 586990b4856Slling * Set zpool property : propname=propval. 587990b4856Slling */ 588990b4856Slling int 589990b4856Slling zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) 590990b4856Slling { 591990b4856Slling zfs_cmd_t zc = { 0 }; 592990b4856Slling int ret = -1; 593990b4856Slling char errbuf[1024]; 594990b4856Slling nvlist_t *nvl = NULL; 595990b4856Slling nvlist_t *realprops; 596990b4856Slling uint64_t version; 597f9af39baSGeorge Wilson prop_flags_t flags = { 0 }; 598990b4856Slling 599990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), 600990b4856Slling dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 601990b4856Slling zhp->zpool_name); 602990b4856Slling 603990b4856Slling if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 604990b4856Slling return (no_memory(zhp->zpool_hdl)); 605990b4856Slling 606990b4856Slling if (nvlist_add_string(nvl, propname, propval) != 0) { 607990b4856Slling nvlist_free(nvl); 608990b4856Slling return (no_memory(zhp->zpool_hdl)); 609990b4856Slling } 610990b4856Slling 611990b4856Slling version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 6120a48a24eStimh if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, 613f9af39baSGeorge Wilson zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { 614990b4856Slling nvlist_free(nvl); 615990b4856Slling return (-1); 616990b4856Slling } 617990b4856Slling 618990b4856Slling nvlist_free(nvl); 619990b4856Slling nvl = realprops; 620990b4856Slling 621990b4856Slling /* 622990b4856Slling * Execute the corresponding ioctl() to set this property. 623990b4856Slling */ 624990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 625990b4856Slling 626990b4856Slling if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { 627990b4856Slling nvlist_free(nvl); 628990b4856Slling return (-1); 629990b4856Slling } 630990b4856Slling 631990b4856Slling ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); 632990b4856Slling 633990b4856Slling zcmd_free_nvlists(&zc); 634990b4856Slling nvlist_free(nvl); 635990b4856Slling 636990b4856Slling if (ret) 637990b4856Slling (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); 638990b4856Slling else 639990b4856Slling (void) zpool_props_refresh(zhp); 640990b4856Slling 641990b4856Slling return (ret); 642990b4856Slling } 643990b4856Slling 644990b4856Slling int 645990b4856Slling zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) 646990b4856Slling { 647990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 648990b4856Slling zprop_list_t *entry; 649990b4856Slling char buf[ZFS_MAXPROPLEN]; 650990b4856Slling 651990b4856Slling if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) 652990b4856Slling return (-1); 653990b4856Slling 654990b4856Slling for (entry = *plp; entry != NULL; entry = entry->pl_next) { 655990b4856Slling 656990b4856Slling if (entry->pl_fixed) 657990b4856Slling continue; 658990b4856Slling 659990b4856Slling if (entry->pl_prop != ZPROP_INVAL && 660990b4856Slling zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), 661990b4856Slling NULL) == 0) { 662990b4856Slling if (strlen(buf) > entry->pl_width) 663990b4856Slling entry->pl_width = strlen(buf); 664990b4856Slling } 665990b4856Slling } 666990b4856Slling 667990b4856Slling return (0); 668990b4856Slling } 669990b4856Slling 670990b4856Slling 671573ca77eSGeorge Wilson /* 672573ca77eSGeorge Wilson * Don't start the slice at the default block of 34; many storage 673573ca77eSGeorge Wilson * devices will use a stripe width of 128k, so start there instead. 674573ca77eSGeorge Wilson */ 675573ca77eSGeorge Wilson #define NEW_START_BLOCK 256 676573ca77eSGeorge Wilson 677fa9e4066Sahrens /* 678fa9e4066Sahrens * Validate the given pool name, optionally putting an extended error message in 679fa9e4066Sahrens * 'buf'. 680fa9e4066Sahrens */ 681e7cbe64fSgw boolean_t 68299653d4eSeschrock zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) 683fa9e4066Sahrens { 684fa9e4066Sahrens namecheck_err_t why; 685fa9e4066Sahrens char what; 686b468a217Seschrock int ret; 687b468a217Seschrock 688b468a217Seschrock ret = pool_namecheck(pool, &why, &what); 689b468a217Seschrock 690b468a217Seschrock /* 691b468a217Seschrock * The rules for reserved pool names were extended at a later point. 692b468a217Seschrock * But we need to support users with existing pools that may now be 693b468a217Seschrock * invalid. So we only check for this expanded set of names during a 694b468a217Seschrock * create (or import), and only in userland. 695b468a217Seschrock */ 696b468a217Seschrock if (ret == 0 && !isopen && 697b468a217Seschrock (strncmp(pool, "mirror", 6) == 0 || 698b468a217Seschrock strncmp(pool, "raidz", 5) == 0 || 6998654d025Sperrin strncmp(pool, "spare", 5) == 0 || 7008654d025Sperrin strcmp(pool, "log") == 0)) { 701e7cbe64fSgw if (hdl != NULL) 702e7cbe64fSgw zfs_error_aux(hdl, 703e7cbe64fSgw dgettext(TEXT_DOMAIN, "name is reserved")); 70499653d4eSeschrock return (B_FALSE); 705b468a217Seschrock } 706b468a217Seschrock 707fa9e4066Sahrens 708b468a217Seschrock if (ret != 0) { 70999653d4eSeschrock if (hdl != NULL) { 710fa9e4066Sahrens switch (why) { 711b81d61a6Slling case NAME_ERR_TOOLONG: 71299653d4eSeschrock zfs_error_aux(hdl, 713b81d61a6Slling dgettext(TEXT_DOMAIN, "name is too long")); 714b81d61a6Slling break; 715b81d61a6Slling 716fa9e4066Sahrens case NAME_ERR_INVALCHAR: 71799653d4eSeschrock zfs_error_aux(hdl, 718fa9e4066Sahrens dgettext(TEXT_DOMAIN, "invalid character " 719fa9e4066Sahrens "'%c' in pool name"), what); 720fa9e4066Sahrens break; 721fa9e4066Sahrens 722fa9e4066Sahrens case NAME_ERR_NOLETTER: 72399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 72499653d4eSeschrock "name must begin with a letter")); 725fa9e4066Sahrens break; 726fa9e4066Sahrens 727fa9e4066Sahrens case NAME_ERR_RESERVED: 72899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 72999653d4eSeschrock "name is reserved")); 730fa9e4066Sahrens break; 731fa9e4066Sahrens 732fa9e4066Sahrens case NAME_ERR_DISKLIKE: 73399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 73499653d4eSeschrock "pool name is reserved")); 735fa9e4066Sahrens break; 7365ad82045Snd 7375ad82045Snd case NAME_ERR_LEADING_SLASH: 7385ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 7395ad82045Snd "leading slash in name")); 7405ad82045Snd break; 7415ad82045Snd 7425ad82045Snd case NAME_ERR_EMPTY_COMPONENT: 7435ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 7445ad82045Snd "empty component in name")); 7455ad82045Snd break; 7465ad82045Snd 7475ad82045Snd case NAME_ERR_TRAILING_SLASH: 7485ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 7495ad82045Snd "trailing slash in name")); 7505ad82045Snd break; 7515ad82045Snd 7525ad82045Snd case NAME_ERR_MULTIPLE_AT: 7535ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 7545ad82045Snd "multiple '@' delimiters in name")); 7555ad82045Snd break; 7565ad82045Snd 757fa9e4066Sahrens } 758fa9e4066Sahrens } 75999653d4eSeschrock return (B_FALSE); 760fa9e4066Sahrens } 761fa9e4066Sahrens 76299653d4eSeschrock return (B_TRUE); 763fa9e4066Sahrens } 764fa9e4066Sahrens 765fa9e4066Sahrens /* 766fa9e4066Sahrens * Open a handle to the given pool, even if the pool is currently in the FAULTED 767fa9e4066Sahrens * state. 768fa9e4066Sahrens */ 769fa9e4066Sahrens zpool_handle_t * 77099653d4eSeschrock zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) 771fa9e4066Sahrens { 772fa9e4066Sahrens zpool_handle_t *zhp; 77394de1d4cSeschrock boolean_t missing; 774fa9e4066Sahrens 775fa9e4066Sahrens /* 776fa9e4066Sahrens * Make sure the pool name is valid. 777fa9e4066Sahrens */ 77899653d4eSeschrock if (!zpool_name_valid(hdl, B_TRUE, pool)) { 779ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, 78099653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), 78199653d4eSeschrock pool); 782fa9e4066Sahrens return (NULL); 783fa9e4066Sahrens } 784fa9e4066Sahrens 78599653d4eSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 78699653d4eSeschrock return (NULL); 787fa9e4066Sahrens 78899653d4eSeschrock zhp->zpool_hdl = hdl; 789fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 790fa9e4066Sahrens 79194de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 79294de1d4cSeschrock zpool_close(zhp); 79394de1d4cSeschrock return (NULL); 79494de1d4cSeschrock } 79594de1d4cSeschrock 79694de1d4cSeschrock if (missing) { 797990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); 798ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_NOENT, 799990b4856Slling dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); 80094de1d4cSeschrock zpool_close(zhp); 80194de1d4cSeschrock return (NULL); 802fa9e4066Sahrens } 803fa9e4066Sahrens 804fa9e4066Sahrens return (zhp); 805fa9e4066Sahrens } 806fa9e4066Sahrens 807fa9e4066Sahrens /* 808fa9e4066Sahrens * Like the above, but silent on error. Used when iterating over pools (because 809fa9e4066Sahrens * the configuration cache may be out of date). 810fa9e4066Sahrens */ 81194de1d4cSeschrock int 81294de1d4cSeschrock zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) 813fa9e4066Sahrens { 814fa9e4066Sahrens zpool_handle_t *zhp; 81594de1d4cSeschrock boolean_t missing; 816fa9e4066Sahrens 81794de1d4cSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 81894de1d4cSeschrock return (-1); 819fa9e4066Sahrens 82099653d4eSeschrock zhp->zpool_hdl = hdl; 821fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 822fa9e4066Sahrens 82394de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 82494de1d4cSeschrock zpool_close(zhp); 82594de1d4cSeschrock return (-1); 826fa9e4066Sahrens } 827fa9e4066Sahrens 82894de1d4cSeschrock if (missing) { 82994de1d4cSeschrock zpool_close(zhp); 83094de1d4cSeschrock *ret = NULL; 83194de1d4cSeschrock return (0); 83294de1d4cSeschrock } 83394de1d4cSeschrock 83494de1d4cSeschrock *ret = zhp; 83594de1d4cSeschrock return (0); 836fa9e4066Sahrens } 837fa9e4066Sahrens 838fa9e4066Sahrens /* 839fa9e4066Sahrens * Similar to zpool_open_canfail(), but refuses to open pools in the faulted 840fa9e4066Sahrens * state. 841fa9e4066Sahrens */ 842fa9e4066Sahrens zpool_handle_t * 84399653d4eSeschrock zpool_open(libzfs_handle_t *hdl, const char *pool) 844fa9e4066Sahrens { 845fa9e4066Sahrens zpool_handle_t *zhp; 846fa9e4066Sahrens 84799653d4eSeschrock if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) 848fa9e4066Sahrens return (NULL); 849fa9e4066Sahrens 850fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_UNAVAIL) { 851ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, 85299653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); 853fa9e4066Sahrens zpool_close(zhp); 854fa9e4066Sahrens return (NULL); 855fa9e4066Sahrens } 856fa9e4066Sahrens 857fa9e4066Sahrens return (zhp); 858fa9e4066Sahrens } 859fa9e4066Sahrens 860fa9e4066Sahrens /* 861fa9e4066Sahrens * Close the handle. Simply frees the memory associated with the handle. 862fa9e4066Sahrens */ 863fa9e4066Sahrens void 864fa9e4066Sahrens zpool_close(zpool_handle_t *zhp) 865fa9e4066Sahrens { 866fa9e4066Sahrens if (zhp->zpool_config) 867fa9e4066Sahrens nvlist_free(zhp->zpool_config); 868088e9d47Seschrock if (zhp->zpool_old_config) 869088e9d47Seschrock nvlist_free(zhp->zpool_old_config); 870b1b8ab34Slling if (zhp->zpool_props) 871b1b8ab34Slling nvlist_free(zhp->zpool_props); 872fa9e4066Sahrens free(zhp); 873fa9e4066Sahrens } 874fa9e4066Sahrens 875fa9e4066Sahrens /* 876fa9e4066Sahrens * Return the name of the pool. 877fa9e4066Sahrens */ 878fa9e4066Sahrens const char * 879fa9e4066Sahrens zpool_get_name(zpool_handle_t *zhp) 880fa9e4066Sahrens { 881fa9e4066Sahrens return (zhp->zpool_name); 882fa9e4066Sahrens } 883fa9e4066Sahrens 884fa9e4066Sahrens 885fa9e4066Sahrens /* 886fa9e4066Sahrens * Return the state of the pool (ACTIVE or UNAVAILABLE) 887fa9e4066Sahrens */ 888fa9e4066Sahrens int 889fa9e4066Sahrens zpool_get_state(zpool_handle_t *zhp) 890fa9e4066Sahrens { 891fa9e4066Sahrens return (zhp->zpool_state); 892fa9e4066Sahrens } 893fa9e4066Sahrens 894fa9e4066Sahrens /* 895fa9e4066Sahrens * Create the named pool, using the provided vdev list. It is assumed 896fa9e4066Sahrens * that the consumer has already validated the contents of the nvlist, so we 897fa9e4066Sahrens * don't have to worry about error semantics. 898fa9e4066Sahrens */ 899fa9e4066Sahrens int 90099653d4eSeschrock zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, 9010a48a24eStimh nvlist_t *props, nvlist_t *fsprops) 902fa9e4066Sahrens { 903fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 9040a48a24eStimh nvlist_t *zc_fsprops = NULL; 9050a48a24eStimh nvlist_t *zc_props = NULL; 90699653d4eSeschrock char msg[1024]; 907990b4856Slling char *altroot; 9080a48a24eStimh int ret = -1; 909fa9e4066Sahrens 91099653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 91199653d4eSeschrock "cannot create '%s'"), pool); 912fa9e4066Sahrens 91399653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, pool)) 91499653d4eSeschrock return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 915fa9e4066Sahrens 916351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 917990b4856Slling return (-1); 918fa9e4066Sahrens 9190a48a24eStimh if (props) { 920f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; 921f9af39baSGeorge Wilson 9220a48a24eStimh if ((zc_props = zpool_valid_proplist(hdl, pool, props, 923f9af39baSGeorge Wilson SPA_VERSION_1, flags, msg)) == NULL) { 9240a48a24eStimh goto create_failed; 9250a48a24eStimh } 9260a48a24eStimh } 92799653d4eSeschrock 9280a48a24eStimh if (fsprops) { 9290a48a24eStimh uint64_t zoned; 9300a48a24eStimh char *zonestr; 9310a48a24eStimh 9320a48a24eStimh zoned = ((nvlist_lookup_string(fsprops, 9330a48a24eStimh zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && 9340a48a24eStimh strcmp(zonestr, "on") == 0); 9350a48a24eStimh 9360a48a24eStimh if ((zc_fsprops = zfs_valid_proplist(hdl, 9370a48a24eStimh ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { 9380a48a24eStimh goto create_failed; 9390a48a24eStimh } 9400a48a24eStimh if (!zc_props && 9410a48a24eStimh (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { 9420a48a24eStimh goto create_failed; 9430a48a24eStimh } 9440a48a24eStimh if (nvlist_add_nvlist(zc_props, 9450a48a24eStimh ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { 9460a48a24eStimh goto create_failed; 9470a48a24eStimh } 948351420b3Slling } 949fa9e4066Sahrens 9500a48a24eStimh if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 9510a48a24eStimh goto create_failed; 9520a48a24eStimh 953990b4856Slling (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); 954fa9e4066Sahrens 9550a48a24eStimh if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { 956351420b3Slling 957e9dbad6fSeschrock zcmd_free_nvlists(&zc); 9580a48a24eStimh nvlist_free(zc_props); 9590a48a24eStimh nvlist_free(zc_fsprops); 960fa9e4066Sahrens 96199653d4eSeschrock switch (errno) { 962fa9e4066Sahrens case EBUSY: 963fa9e4066Sahrens /* 964fa9e4066Sahrens * This can happen if the user has specified the same 965fa9e4066Sahrens * device multiple times. We can't reliably detect this 966fa9e4066Sahrens * until we try to add it and see we already have a 967fa9e4066Sahrens * label. 968fa9e4066Sahrens */ 96999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 97099653d4eSeschrock "one or more vdevs refer to the same device")); 97199653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 972fa9e4066Sahrens 973fa9e4066Sahrens case EOVERFLOW: 974fa9e4066Sahrens /* 97599653d4eSeschrock * This occurs when one of the devices is below 976fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 977fa9e4066Sahrens * device was the problem device since there's no 978fa9e4066Sahrens * reliable way to determine device size from userland. 979fa9e4066Sahrens */ 980fa9e4066Sahrens { 981fa9e4066Sahrens char buf[64]; 982fa9e4066Sahrens 983fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 984fa9e4066Sahrens 98599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 98699653d4eSeschrock "one or more devices is less than the " 98799653d4eSeschrock "minimum size (%s)"), buf); 988fa9e4066Sahrens } 98999653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 990fa9e4066Sahrens 991fa9e4066Sahrens case ENOSPC: 99299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 99399653d4eSeschrock "one or more devices is out of space")); 99499653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 995fa9e4066Sahrens 996fa94a07fSbrendan case ENOTBLK: 997fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 998fa94a07fSbrendan "cache device must be a disk or disk slice")); 999fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADDEV, msg)); 1000fa94a07fSbrendan 1001fa9e4066Sahrens default: 100299653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1003fa9e4066Sahrens } 1004fa9e4066Sahrens } 1005fa9e4066Sahrens 1006fa9e4066Sahrens /* 1007fa9e4066Sahrens * If this is an alternate root pool, then we automatically set the 1008e9dbad6fSeschrock * mountpoint of the root dataset to be '/'. 1009fa9e4066Sahrens */ 1010990b4856Slling if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), 1011990b4856Slling &altroot) == 0) { 1012fa9e4066Sahrens zfs_handle_t *zhp; 1013fa9e4066Sahrens 1014990b4856Slling verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); 1015e9dbad6fSeschrock verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 1016e9dbad6fSeschrock "/") == 0); 1017fa9e4066Sahrens 1018fa9e4066Sahrens zfs_close(zhp); 1019fa9e4066Sahrens } 1020fa9e4066Sahrens 10210a48a24eStimh create_failed: 1022351420b3Slling zcmd_free_nvlists(&zc); 10230a48a24eStimh nvlist_free(zc_props); 10240a48a24eStimh nvlist_free(zc_fsprops); 10250a48a24eStimh return (ret); 1026fa9e4066Sahrens } 1027fa9e4066Sahrens 1028fa9e4066Sahrens /* 1029fa9e4066Sahrens * Destroy the given pool. It is up to the caller to ensure that there are no 1030fa9e4066Sahrens * datasets left in the pool. 1031fa9e4066Sahrens */ 1032fa9e4066Sahrens int 1033fa9e4066Sahrens zpool_destroy(zpool_handle_t *zhp) 1034fa9e4066Sahrens { 1035fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1036fa9e4066Sahrens zfs_handle_t *zfp = NULL; 103799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 103899653d4eSeschrock char msg[1024]; 1039fa9e4066Sahrens 1040fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_ACTIVE && 1041cb04b873SMark J Musante (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) 1042fa9e4066Sahrens return (-1); 1043fa9e4066Sahrens 1044fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1045fa9e4066Sahrens 1046cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { 104799653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 104899653d4eSeschrock "cannot destroy '%s'"), zhp->zpool_name); 1049fa9e4066Sahrens 105099653d4eSeschrock if (errno == EROFS) { 105199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 105299653d4eSeschrock "one or more devices is read only")); 105399653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 105499653d4eSeschrock } else { 105599653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1056fa9e4066Sahrens } 1057fa9e4066Sahrens 1058fa9e4066Sahrens if (zfp) 1059fa9e4066Sahrens zfs_close(zfp); 1060fa9e4066Sahrens return (-1); 1061fa9e4066Sahrens } 1062fa9e4066Sahrens 1063fa9e4066Sahrens if (zfp) { 1064fa9e4066Sahrens remove_mountpoint(zfp); 1065fa9e4066Sahrens zfs_close(zfp); 1066fa9e4066Sahrens } 1067fa9e4066Sahrens 1068fa9e4066Sahrens return (0); 1069fa9e4066Sahrens } 1070fa9e4066Sahrens 1071fa9e4066Sahrens /* 1072fa9e4066Sahrens * Add the given vdevs to the pool. The caller must have already performed the 1073fa9e4066Sahrens * necessary verification to ensure that the vdev specification is well-formed. 1074fa9e4066Sahrens */ 1075fa9e4066Sahrens int 1076fa9e4066Sahrens zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) 1077fa9e4066Sahrens { 1078e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 107999653d4eSeschrock int ret; 108099653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 108199653d4eSeschrock char msg[1024]; 1082fa94a07fSbrendan nvlist_t **spares, **l2cache; 1083fa94a07fSbrendan uint_t nspares, nl2cache; 108499653d4eSeschrock 108599653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 108699653d4eSeschrock "cannot add to '%s'"), zhp->zpool_name); 108799653d4eSeschrock 1088fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1089fa94a07fSbrendan SPA_VERSION_SPARES && 109099653d4eSeschrock nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 109199653d4eSeschrock &spares, &nspares) == 0) { 109299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 109399653d4eSeschrock "upgraded to add hot spares")); 109499653d4eSeschrock return (zfs_error(hdl, EZFS_BADVERSION, msg)); 109599653d4eSeschrock } 1096fa9e4066Sahrens 1097b5b76fecSGeorge Wilson if (pool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, 1098b5b76fecSGeorge Wilson ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { 1099b5b76fecSGeorge Wilson uint64_t s; 1100b5b76fecSGeorge Wilson 1101b5b76fecSGeorge Wilson for (s = 0; s < nspares; s++) { 1102b5b76fecSGeorge Wilson char *path; 1103b5b76fecSGeorge Wilson 1104b5b76fecSGeorge Wilson if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, 1105b5b76fecSGeorge Wilson &path) == 0 && pool_uses_efi(spares[s])) { 1106b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1107b5b76fecSGeorge Wilson "device '%s' contains an EFI label and " 1108b5b76fecSGeorge Wilson "cannot be used on root pools."), 110988ecc943SGeorge Wilson zpool_vdev_name(hdl, NULL, spares[s], 111088ecc943SGeorge Wilson B_FALSE)); 1111b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); 1112b5b76fecSGeorge Wilson } 1113b5b76fecSGeorge Wilson } 1114b5b76fecSGeorge Wilson } 1115b5b76fecSGeorge Wilson 1116fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1117fa94a07fSbrendan SPA_VERSION_L2CACHE && 1118fa94a07fSbrendan nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 1119fa94a07fSbrendan &l2cache, &nl2cache) == 0) { 1120fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 1121fa94a07fSbrendan "upgraded to add cache devices")); 1122fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADVERSION, msg)); 1123fa94a07fSbrendan } 1124fa94a07fSbrendan 1125990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 112699653d4eSeschrock return (-1); 1127fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1128fa9e4066Sahrens 1129cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { 1130fa9e4066Sahrens switch (errno) { 1131fa9e4066Sahrens case EBUSY: 1132fa9e4066Sahrens /* 1133fa9e4066Sahrens * This can happen if the user has specified the same 1134fa9e4066Sahrens * device multiple times. We can't reliably detect this 1135fa9e4066Sahrens * until we try to add it and see we already have a 1136fa9e4066Sahrens * label. 1137fa9e4066Sahrens */ 113899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 113999653d4eSeschrock "one or more vdevs refer to the same device")); 114099653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1141fa9e4066Sahrens break; 1142fa9e4066Sahrens 1143fa9e4066Sahrens case EOVERFLOW: 1144fa9e4066Sahrens /* 1145fa9e4066Sahrens * This occurrs when one of the devices is below 1146fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1147fa9e4066Sahrens * device was the problem device since there's no 1148fa9e4066Sahrens * reliable way to determine device size from userland. 1149fa9e4066Sahrens */ 1150fa9e4066Sahrens { 1151fa9e4066Sahrens char buf[64]; 1152fa9e4066Sahrens 1153fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1154fa9e4066Sahrens 115599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 115699653d4eSeschrock "device is less than the minimum " 115799653d4eSeschrock "size (%s)"), buf); 1158fa9e4066Sahrens } 115999653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 116099653d4eSeschrock break; 116199653d4eSeschrock 116299653d4eSeschrock case ENOTSUP: 116399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 11648654d025Sperrin "pool must be upgraded to add these vdevs")); 116599653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, msg); 1166fa9e4066Sahrens break; 1167fa9e4066Sahrens 1168b1b8ab34Slling case EDOM: 1169b1b8ab34Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 11708654d025Sperrin "root pool can not have multiple vdevs" 11718654d025Sperrin " or separate logs")); 1172b1b8ab34Slling (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); 1173b1b8ab34Slling break; 1174b1b8ab34Slling 1175fa94a07fSbrendan case ENOTBLK: 1176fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1177fa94a07fSbrendan "cache device must be a disk or disk slice")); 1178fa94a07fSbrendan (void) zfs_error(hdl, EZFS_BADDEV, msg); 1179fa94a07fSbrendan break; 1180fa94a07fSbrendan 1181fa9e4066Sahrens default: 118299653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1183fa9e4066Sahrens } 1184fa9e4066Sahrens 118599653d4eSeschrock ret = -1; 118699653d4eSeschrock } else { 118799653d4eSeschrock ret = 0; 1188fa9e4066Sahrens } 1189fa9e4066Sahrens 1190e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1191fa9e4066Sahrens 119299653d4eSeschrock return (ret); 1193fa9e4066Sahrens } 1194fa9e4066Sahrens 1195fa9e4066Sahrens /* 1196fa9e4066Sahrens * Exports the pool from the system. The caller must ensure that there are no 1197fa9e4066Sahrens * mounted datasets in the pool. 1198fa9e4066Sahrens */ 1199fa9e4066Sahrens int 1200394ab0cbSGeorge Wilson zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce) 1201fa9e4066Sahrens { 1202fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 120389a89ebfSlling char msg[1024]; 1204fa9e4066Sahrens 120589a89ebfSlling (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 120689a89ebfSlling "cannot export '%s'"), zhp->zpool_name); 120789a89ebfSlling 1208fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 120989a89ebfSlling zc.zc_cookie = force; 1210394ab0cbSGeorge Wilson zc.zc_guid = hardforce; 121189a89ebfSlling 121289a89ebfSlling if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { 121389a89ebfSlling switch (errno) { 121489a89ebfSlling case EXDEV: 121589a89ebfSlling zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, 121689a89ebfSlling "use '-f' to override the following errors:\n" 121789a89ebfSlling "'%s' has an active shared spare which could be" 121889a89ebfSlling " used by other pools once '%s' is exported."), 121989a89ebfSlling zhp->zpool_name, zhp->zpool_name); 122089a89ebfSlling return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, 122189a89ebfSlling msg)); 122289a89ebfSlling default: 122389a89ebfSlling return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, 122489a89ebfSlling msg)); 122589a89ebfSlling } 122689a89ebfSlling } 1227fa9e4066Sahrens 1228fa9e4066Sahrens return (0); 1229fa9e4066Sahrens } 1230fa9e4066Sahrens 1231394ab0cbSGeorge Wilson int 1232394ab0cbSGeorge Wilson zpool_export(zpool_handle_t *zhp, boolean_t force) 1233394ab0cbSGeorge Wilson { 1234394ab0cbSGeorge Wilson return (zpool_export_common(zhp, force, B_FALSE)); 1235394ab0cbSGeorge Wilson } 1236394ab0cbSGeorge Wilson 1237394ab0cbSGeorge Wilson int 1238394ab0cbSGeorge Wilson zpool_export_force(zpool_handle_t *zhp) 1239394ab0cbSGeorge Wilson { 1240394ab0cbSGeorge Wilson return (zpool_export_common(zhp, B_TRUE, B_TRUE)); 1241394ab0cbSGeorge Wilson } 1242394ab0cbSGeorge Wilson 1243468c413aSTim Haley static void 1244468c413aSTim Haley zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, 12454b964adaSGeorge Wilson nvlist_t *config) 1246468c413aSTim Haley { 12474b964adaSGeorge Wilson nvlist_t *nv = NULL; 1248468c413aSTim Haley uint64_t rewindto; 1249468c413aSTim Haley int64_t loss = -1; 1250468c413aSTim Haley struct tm t; 1251468c413aSTim Haley char timestr[128]; 1252468c413aSTim Haley 12534b964adaSGeorge Wilson if (!hdl->libzfs_printerr || config == NULL) 12544b964adaSGeorge Wilson return; 12554b964adaSGeorge Wilson 12564b964adaSGeorge Wilson if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0) 1257468c413aSTim Haley return; 1258468c413aSTim Haley 12594b964adaSGeorge Wilson if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1260468c413aSTim Haley return; 12614b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 1262468c413aSTim Haley 1263468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1264468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1265468c413aSTim Haley if (dryrun) { 1266468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1267468c413aSTim Haley "Would be able to return %s " 1268468c413aSTim Haley "to its state as of %s.\n"), 1269468c413aSTim Haley name, timestr); 1270468c413aSTim Haley } else { 1271468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1272468c413aSTim Haley "Pool %s returned to its state as of %s.\n"), 1273468c413aSTim Haley name, timestr); 1274468c413aSTim Haley } 1275468c413aSTim Haley if (loss > 120) { 1276468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1277468c413aSTim Haley "%s approximately %lld "), 1278468c413aSTim Haley dryrun ? "Would discard" : "Discarded", 1279468c413aSTim Haley (loss + 30) / 60); 1280468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1281468c413aSTim Haley "minutes of transactions.\n")); 1282468c413aSTim Haley } else if (loss > 0) { 1283468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1284468c413aSTim Haley "%s approximately %lld "), 1285468c413aSTim Haley dryrun ? "Would discard" : "Discarded", loss); 1286468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1287468c413aSTim Haley "seconds of transactions.\n")); 1288468c413aSTim Haley } 1289468c413aSTim Haley } 1290468c413aSTim Haley } 1291468c413aSTim Haley 1292468c413aSTim Haley void 1293468c413aSTim Haley zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, 1294468c413aSTim Haley nvlist_t *config) 1295468c413aSTim Haley { 12964b964adaSGeorge Wilson nvlist_t *nv = NULL; 1297468c413aSTim Haley int64_t loss = -1; 1298468c413aSTim Haley uint64_t edata = UINT64_MAX; 1299468c413aSTim Haley uint64_t rewindto; 1300468c413aSTim Haley struct tm t; 1301468c413aSTim Haley char timestr[128]; 1302468c413aSTim Haley 1303468c413aSTim Haley if (!hdl->libzfs_printerr) 1304468c413aSTim Haley return; 1305468c413aSTim Haley 1306468c413aSTim Haley if (reason >= 0) 1307468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "action: ")); 1308468c413aSTim Haley else 1309468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "\t")); 1310468c413aSTim Haley 1311468c413aSTim Haley /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ 13124b964adaSGeorge Wilson if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 13134b964adaSGeorge Wilson nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1314468c413aSTim Haley goto no_info; 1315468c413aSTim Haley 13164b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 13174b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, 1318468c413aSTim Haley &edata); 1319468c413aSTim Haley 1320468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1321468c413aSTim Haley "Recovery is possible, but will result in some data loss.\n")); 1322468c413aSTim Haley 1323468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1324468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1325468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1326468c413aSTim Haley "\tReturning the pool to its state as of %s\n" 1327468c413aSTim Haley "\tshould correct the problem. "), 1328468c413aSTim Haley timestr); 1329468c413aSTim Haley } else { 1330468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1331468c413aSTim Haley "\tReverting the pool to an earlier state " 1332468c413aSTim Haley "should correct the problem.\n\t")); 1333468c413aSTim Haley } 1334468c413aSTim Haley 1335468c413aSTim Haley if (loss > 120) { 1336468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1337468c413aSTim Haley "Approximately %lld minutes of data\n" 1338468c413aSTim Haley "\tmust be discarded, irreversibly. "), (loss + 30) / 60); 1339468c413aSTim Haley } else if (loss > 0) { 1340468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1341468c413aSTim Haley "Approximately %lld seconds of data\n" 1342468c413aSTim Haley "\tmust be discarded, irreversibly. "), loss); 1343468c413aSTim Haley } 1344468c413aSTim Haley if (edata != 0 && edata != UINT64_MAX) { 1345468c413aSTim Haley if (edata == 1) { 1346468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1347468c413aSTim Haley "After rewind, at least\n" 1348468c413aSTim Haley "\tone persistent user-data error will remain. ")); 1349468c413aSTim Haley } else { 1350468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1351468c413aSTim Haley "After rewind, several\n" 1352468c413aSTim Haley "\tpersistent user-data errors will remain. ")); 1353468c413aSTim Haley } 1354468c413aSTim Haley } 1355468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1356a33cae98STim Haley "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), 1357a33cae98STim Haley reason >= 0 ? "clear" : "import", name); 1358468c413aSTim Haley 1359468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1360468c413aSTim Haley "A scrub of the pool\n" 1361468c413aSTim Haley "\tis strongly recommended after recovery.\n")); 1362468c413aSTim Haley return; 1363468c413aSTim Haley 1364468c413aSTim Haley no_info: 1365468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1366468c413aSTim Haley "Destroy and re-create the pool from\n\ta backup source.\n")); 1367468c413aSTim Haley } 1368468c413aSTim Haley 1369fa9e4066Sahrens /* 1370990b4856Slling * zpool_import() is a contracted interface. Should be kept the same 1371990b4856Slling * if possible. 1372990b4856Slling * 1373990b4856Slling * Applications should use zpool_import_props() to import a pool with 1374990b4856Slling * new properties value to be set. 1375fa9e4066Sahrens */ 1376fa9e4066Sahrens int 137799653d4eSeschrock zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 1378990b4856Slling char *altroot) 1379990b4856Slling { 1380990b4856Slling nvlist_t *props = NULL; 1381990b4856Slling int ret; 1382990b4856Slling 1383990b4856Slling if (altroot != NULL) { 1384990b4856Slling if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { 1385990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1386990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1387990b4856Slling newname)); 1388990b4856Slling } 1389990b4856Slling 1390990b4856Slling if (nvlist_add_string(props, 1391352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || 1392352d8027SGeorge Wilson nvlist_add_string(props, 1393352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { 1394990b4856Slling nvlist_free(props); 1395990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1396990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1397990b4856Slling newname)); 1398990b4856Slling } 1399990b4856Slling } 1400990b4856Slling 14014b964adaSGeorge Wilson ret = zpool_import_props(hdl, config, newname, props, 14024b964adaSGeorge Wilson ZFS_IMPORT_NORMAL); 1403990b4856Slling if (props) 1404990b4856Slling nvlist_free(props); 1405990b4856Slling return (ret); 1406990b4856Slling } 1407990b4856Slling 14084b964adaSGeorge Wilson static void 14094b964adaSGeorge Wilson print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, 14104b964adaSGeorge Wilson int indent) 14114b964adaSGeorge Wilson { 14124b964adaSGeorge Wilson nvlist_t **child; 14134b964adaSGeorge Wilson uint_t c, children; 14144b964adaSGeorge Wilson char *vname; 14154b964adaSGeorge Wilson uint64_t is_log = 0; 14164b964adaSGeorge Wilson 14174b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, 14184b964adaSGeorge Wilson &is_log); 14194b964adaSGeorge Wilson 14204b964adaSGeorge Wilson if (name != NULL) 14214b964adaSGeorge Wilson (void) printf("\t%*s%s%s\n", indent, "", name, 14224b964adaSGeorge Wilson is_log ? " [log]" : ""); 14234b964adaSGeorge Wilson 14244b964adaSGeorge Wilson if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 14254b964adaSGeorge Wilson &child, &children) != 0) 14264b964adaSGeorge Wilson return; 14274b964adaSGeorge Wilson 14284b964adaSGeorge Wilson for (c = 0; c < children; c++) { 14294b964adaSGeorge Wilson vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); 14304b964adaSGeorge Wilson print_vdev_tree(hdl, vname, child[c], indent + 2); 14314b964adaSGeorge Wilson free(vname); 14324b964adaSGeorge Wilson } 14334b964adaSGeorge Wilson } 14344b964adaSGeorge Wilson 1435990b4856Slling /* 1436990b4856Slling * Import the given pool using the known configuration and a list of 1437990b4856Slling * properties to be set. The configuration should have come from 1438990b4856Slling * zpool_find_import(). The 'newname' parameters control whether the pool 1439990b4856Slling * is imported with a different name. 1440990b4856Slling */ 1441990b4856Slling int 1442990b4856Slling zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 14434b964adaSGeorge Wilson nvlist_t *props, int flags) 1444fa9e4066Sahrens { 1445e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 1446468c413aSTim Haley zpool_rewind_policy_t policy; 14474b964adaSGeorge Wilson nvlist_t *nv = NULL; 14484b964adaSGeorge Wilson nvlist_t *nvinfo = NULL; 14494b964adaSGeorge Wilson nvlist_t *missing = NULL; 1450fa9e4066Sahrens char *thename; 1451fa9e4066Sahrens char *origname; 1452fa9e4066Sahrens int ret; 14534b964adaSGeorge Wilson int error = 0; 1454990b4856Slling char errbuf[1024]; 1455fa9e4066Sahrens 1456fa9e4066Sahrens verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1457fa9e4066Sahrens &origname) == 0); 1458fa9e4066Sahrens 1459990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 1460990b4856Slling "cannot import pool '%s'"), origname); 1461990b4856Slling 1462fa9e4066Sahrens if (newname != NULL) { 146399653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, newname)) 1464ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, 146599653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot import '%s'"), 146699653d4eSeschrock newname)); 1467fa9e4066Sahrens thename = (char *)newname; 1468fa9e4066Sahrens } else { 1469fa9e4066Sahrens thename = origname; 1470fa9e4066Sahrens } 1471fa9e4066Sahrens 1472990b4856Slling if (props) { 1473990b4856Slling uint64_t version; 1474f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 1475fa9e4066Sahrens 1476990b4856Slling verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 1477990b4856Slling &version) == 0); 1478fa9e4066Sahrens 14790a48a24eStimh if ((props = zpool_valid_proplist(hdl, origname, 1480f9af39baSGeorge Wilson props, version, flags, errbuf)) == NULL) { 1481990b4856Slling return (-1); 1482351420b3Slling } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { 1483351420b3Slling nvlist_free(props); 1484990b4856Slling return (-1); 1485351420b3Slling } 1486990b4856Slling } 1487990b4856Slling 1488990b4856Slling (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); 1489fa9e4066Sahrens 1490fa9e4066Sahrens verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1491ea8dc4b6Seschrock &zc.zc_guid) == 0); 1492fa9e4066Sahrens 1493351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { 1494351420b3Slling nvlist_free(props); 149599653d4eSeschrock return (-1); 1496351420b3Slling } 149757f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { 1498468c413aSTim Haley nvlist_free(props); 1499468c413aSTim Haley return (-1); 1500468c413aSTim Haley } 1501fa9e4066Sahrens 15024b964adaSGeorge Wilson zc.zc_cookie = flags; 15034b964adaSGeorge Wilson while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && 15044b964adaSGeorge Wilson errno == ENOMEM) { 15054b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 15064b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 15074b964adaSGeorge Wilson return (-1); 15084b964adaSGeorge Wilson } 15094b964adaSGeorge Wilson } 15104b964adaSGeorge Wilson if (ret != 0) 15114b964adaSGeorge Wilson error = errno; 15124b964adaSGeorge Wilson 15134b964adaSGeorge Wilson (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); 15144b964adaSGeorge Wilson zpool_get_rewind_policy(config, &policy); 15154b964adaSGeorge Wilson 15164b964adaSGeorge Wilson if (error) { 1517fa9e4066Sahrens char desc[1024]; 1518468c413aSTim Haley 1519468c413aSTim Haley /* 1520468c413aSTim Haley * Dry-run failed, but we print out what success 1521468c413aSTim Haley * looks like if we found a best txg 1522468c413aSTim Haley */ 15234b964adaSGeorge Wilson if (policy.zrp_request & ZPOOL_TRY_REWIND) { 1524468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 15254b964adaSGeorge Wilson B_TRUE, nv); 15264b964adaSGeorge Wilson nvlist_free(nv); 1527468c413aSTim Haley return (-1); 1528468c413aSTim Haley } 1529468c413aSTim Haley 1530fa9e4066Sahrens if (newname == NULL) 1531fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1532fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1533fa9e4066Sahrens thename); 1534fa9e4066Sahrens else 1535fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1536fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), 1537fa9e4066Sahrens origname, thename); 1538fa9e4066Sahrens 15394b964adaSGeorge Wilson switch (error) { 1540ea8dc4b6Seschrock case ENOTSUP: 1541ea8dc4b6Seschrock /* 1542ea8dc4b6Seschrock * Unsupported version. 1543ea8dc4b6Seschrock */ 154499653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, desc); 1545ea8dc4b6Seschrock break; 1546ea8dc4b6Seschrock 1547b5989ec7Seschrock case EINVAL: 1548b5989ec7Seschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); 1549b5989ec7Seschrock break; 1550b5989ec7Seschrock 155154a91118SChris Kirby case EROFS: 155254a91118SChris Kirby zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 155354a91118SChris Kirby "one or more devices is read only")); 155454a91118SChris Kirby (void) zfs_error(hdl, EZFS_BADDEV, desc); 155554a91118SChris Kirby break; 155654a91118SChris Kirby 15574b964adaSGeorge Wilson case ENXIO: 15584b964adaSGeorge Wilson if (nv && nvlist_lookup_nvlist(nv, 15594b964adaSGeorge Wilson ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 15604b964adaSGeorge Wilson nvlist_lookup_nvlist(nvinfo, 15614b964adaSGeorge Wilson ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { 15624b964adaSGeorge Wilson (void) printf(dgettext(TEXT_DOMAIN, 15634b964adaSGeorge Wilson "The devices below are missing, use " 15644b964adaSGeorge Wilson "'-m' to import the pool anyway:\n")); 15654b964adaSGeorge Wilson print_vdev_tree(hdl, NULL, missing, 2); 15664b964adaSGeorge Wilson (void) printf("\n"); 15674b964adaSGeorge Wilson } 15684b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 15694b964adaSGeorge Wilson break; 15704b964adaSGeorge Wilson 15714b964adaSGeorge Wilson case EEXIST: 15724b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 15734b964adaSGeorge Wilson break; 15744b964adaSGeorge Wilson 1575fa9e4066Sahrens default: 15764b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 1577468c413aSTim Haley zpool_explain_recover(hdl, 15784b964adaSGeorge Wilson newname ? origname : thename, -error, nv); 1579468c413aSTim Haley break; 1580fa9e4066Sahrens } 1581fa9e4066Sahrens 15824b964adaSGeorge Wilson nvlist_free(nv); 1583fa9e4066Sahrens ret = -1; 1584fa9e4066Sahrens } else { 1585fa9e4066Sahrens zpool_handle_t *zhp; 1586ecd6cf80Smarks 1587fa9e4066Sahrens /* 1588fa9e4066Sahrens * This should never fail, but play it safe anyway. 1589fa9e4066Sahrens */ 1590681d9761SEric Taylor if (zpool_open_silent(hdl, thename, &zhp) != 0) 159194de1d4cSeschrock ret = -1; 1592681d9761SEric Taylor else if (zhp != NULL) 1593fa9e4066Sahrens zpool_close(zhp); 1594468c413aSTim Haley if (policy.zrp_request & 1595468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 1596468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 15974b964adaSGeorge Wilson ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); 1598468c413aSTim Haley } 15994b964adaSGeorge Wilson nvlist_free(nv); 1600468c413aSTim Haley return (0); 1601fa9e4066Sahrens } 1602fa9e4066Sahrens 1603e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1604351420b3Slling nvlist_free(props); 1605351420b3Slling 1606fa9e4066Sahrens return (ret); 1607fa9e4066Sahrens } 1608fa9e4066Sahrens 1609fa9e4066Sahrens /* 16103f9d6ad7SLin Ling * Scan the pool. 1611fa9e4066Sahrens */ 1612fa9e4066Sahrens int 16133f9d6ad7SLin Ling zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) 1614fa9e4066Sahrens { 1615fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1616fa9e4066Sahrens char msg[1024]; 161799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1618fa9e4066Sahrens 1619fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 16203f9d6ad7SLin Ling zc.zc_cookie = func; 1621fa9e4066Sahrens 1622cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || 16233f9d6ad7SLin Ling (errno == ENOENT && func != POOL_SCAN_NONE)) 1624fa9e4066Sahrens return (0); 1625fa9e4066Sahrens 16263f9d6ad7SLin Ling if (func == POOL_SCAN_SCRUB) { 16273f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 16283f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); 16293f9d6ad7SLin Ling } else if (func == POOL_SCAN_NONE) { 16303f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 16313f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), 16323f9d6ad7SLin Ling zc.zc_name); 16333f9d6ad7SLin Ling } else { 16343f9d6ad7SLin Ling assert(!"unexpected result"); 16353f9d6ad7SLin Ling } 1636fa9e4066Sahrens 16373f9d6ad7SLin Ling if (errno == EBUSY) { 16383f9d6ad7SLin Ling nvlist_t *nvroot; 16393f9d6ad7SLin Ling pool_scan_stat_t *ps = NULL; 16403f9d6ad7SLin Ling uint_t psc; 16413f9d6ad7SLin Ling 16423f9d6ad7SLin Ling verify(nvlist_lookup_nvlist(zhp->zpool_config, 16433f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 16443f9d6ad7SLin Ling (void) nvlist_lookup_uint64_array(nvroot, 16453f9d6ad7SLin Ling ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); 16463f9d6ad7SLin Ling if (ps && ps->pss_func == POOL_SCAN_SCRUB) 16473f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_SCRUBBING, msg)); 16483f9d6ad7SLin Ling else 16493f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_RESILVERING, msg)); 16503f9d6ad7SLin Ling } else if (errno == ENOENT) { 16513f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); 16523f9d6ad7SLin Ling } else { 165399653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 16543f9d6ad7SLin Ling } 1655fa9e4066Sahrens } 1656fa9e4066Sahrens 16573fdda499SJohn Harres /* 16583fdda499SJohn Harres * This provides a very minimal check whether a given string is likely a 16593fdda499SJohn Harres * c#t#d# style string. Users of this are expected to do their own 16603fdda499SJohn Harres * verification of the s# part. 16613fdda499SJohn Harres */ 16623fdda499SJohn Harres #define CTD_CHECK(str) (str && str[0] == 'c' && isdigit(str[1])) 16633fdda499SJohn Harres 16643fdda499SJohn Harres /* 16653fdda499SJohn Harres * More elaborate version for ones which may start with "/dev/dsk/" 16663fdda499SJohn Harres * and the like. 16673fdda499SJohn Harres */ 16683fdda499SJohn Harres static int 16693fdda499SJohn Harres ctd_check_path(char *str) { 16703fdda499SJohn Harres /* 16713fdda499SJohn Harres * If it starts with a slash, check the last component. 16723fdda499SJohn Harres */ 16733fdda499SJohn Harres if (str && str[0] == '/') { 16743fdda499SJohn Harres char *tmp = strrchr(str, '/'); 16753fdda499SJohn Harres 16763fdda499SJohn Harres /* 16773fdda499SJohn Harres * If it ends in "/old", check the second-to-last 16783fdda499SJohn Harres * component of the string instead. 16793fdda499SJohn Harres */ 16803fdda499SJohn Harres if (tmp != str && strcmp(tmp, "/old") == 0) { 16813fdda499SJohn Harres for (tmp--; *tmp != '/'; tmp--) 16823fdda499SJohn Harres ; 16833fdda499SJohn Harres } 16843fdda499SJohn Harres str = tmp + 1; 16853fdda499SJohn Harres } 16863fdda499SJohn Harres return (CTD_CHECK(str)); 16873fdda499SJohn Harres } 16883fdda499SJohn Harres 1689a43d325bSek /* 1690573ca77eSGeorge Wilson * Find a vdev that matches the search criteria specified. We use the 1691573ca77eSGeorge Wilson * the nvpair name to determine how we should look for the device. 1692a43d325bSek * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL 1693a43d325bSek * spare; but FALSE if its an INUSE spare. 1694a43d325bSek */ 169599653d4eSeschrock static nvlist_t * 1696573ca77eSGeorge Wilson vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, 1697573ca77eSGeorge Wilson boolean_t *l2cache, boolean_t *log) 1698ea8dc4b6Seschrock { 1699ea8dc4b6Seschrock uint_t c, children; 1700ea8dc4b6Seschrock nvlist_t **child; 170199653d4eSeschrock nvlist_t *ret; 1702ee0eb9f2SEric Schrock uint64_t is_log; 1703573ca77eSGeorge Wilson char *srchkey; 1704573ca77eSGeorge Wilson nvpair_t *pair = nvlist_next_nvpair(search, NULL); 1705573ca77eSGeorge Wilson 1706573ca77eSGeorge Wilson /* Nothing to look for */ 1707573ca77eSGeorge Wilson if (search == NULL || pair == NULL) 1708573ca77eSGeorge Wilson return (NULL); 1709ea8dc4b6Seschrock 1710573ca77eSGeorge Wilson /* Obtain the key we will use to search */ 1711573ca77eSGeorge Wilson srchkey = nvpair_name(pair); 1712573ca77eSGeorge Wilson 1713573ca77eSGeorge Wilson switch (nvpair_type(pair)) { 1714cb04b873SMark J Musante case DATA_TYPE_UINT64: 1715573ca77eSGeorge Wilson if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { 1716cb04b873SMark J Musante uint64_t srchval, theguid; 1717cb04b873SMark J Musante 1718cb04b873SMark J Musante verify(nvpair_value_uint64(pair, &srchval) == 0); 1719cb04b873SMark J Musante verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1720cb04b873SMark J Musante &theguid) == 0); 1721cb04b873SMark J Musante if (theguid == srchval) 1722cb04b873SMark J Musante return (nv); 1723573ca77eSGeorge Wilson } 1724573ca77eSGeorge Wilson break; 1725573ca77eSGeorge Wilson 1726573ca77eSGeorge Wilson case DATA_TYPE_STRING: { 1727573ca77eSGeorge Wilson char *srchval, *val; 1728573ca77eSGeorge Wilson 1729573ca77eSGeorge Wilson verify(nvpair_value_string(pair, &srchval) == 0); 1730573ca77eSGeorge Wilson if (nvlist_lookup_string(nv, srchkey, &val) != 0) 1731573ca77eSGeorge Wilson break; 1732ea8dc4b6Seschrock 1733ea8dc4b6Seschrock /* 17343fdda499SJohn Harres * Search for the requested value. Special cases: 17353fdda499SJohn Harres * 17363fdda499SJohn Harres * - ZPOOL_CONFIG_PATH for whole disk entries. These end in 17373fdda499SJohn Harres * "s0" or "s0/old". The "s0" part is hidden from the user, 17383fdda499SJohn Harres * but included in the string, so this matches around it. 17393fdda499SJohn Harres * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). 17403fdda499SJohn Harres * 174188ecc943SGeorge Wilson * Otherwise, all other searches are simple string compares. 1742ea8dc4b6Seschrock */ 17433fdda499SJohn Harres if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 && 17443fdda499SJohn Harres ctd_check_path(val)) { 1745573ca77eSGeorge Wilson uint64_t wholedisk = 0; 1746573ca77eSGeorge Wilson 1747573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 1748573ca77eSGeorge Wilson &wholedisk); 1749573ca77eSGeorge Wilson if (wholedisk) { 17503fdda499SJohn Harres int slen = strlen(srchval); 17513fdda499SJohn Harres int vlen = strlen(val); 17523fdda499SJohn Harres 17533fdda499SJohn Harres if (slen != vlen - 2) 17543fdda499SJohn Harres break; 17553fdda499SJohn Harres 17563fdda499SJohn Harres /* 17573fdda499SJohn Harres * make_leaf_vdev() should only set 17583fdda499SJohn Harres * wholedisk for ZPOOL_CONFIG_PATHs which 17593fdda499SJohn Harres * will include "/dev/dsk/", giving plenty of 17603fdda499SJohn Harres * room for the indices used next. 17613fdda499SJohn Harres */ 17623fdda499SJohn Harres ASSERT(vlen >= 6); 17633fdda499SJohn Harres 17643fdda499SJohn Harres /* 17653fdda499SJohn Harres * strings identical except trailing "s0" 17663fdda499SJohn Harres */ 17673fdda499SJohn Harres if (strcmp(&val[vlen - 2], "s0") == 0 && 17683fdda499SJohn Harres strncmp(srchval, val, slen) == 0) 17693fdda499SJohn Harres return (nv); 17703fdda499SJohn Harres 1771573ca77eSGeorge Wilson /* 17723fdda499SJohn Harres * strings identical except trailing "s0/old" 1773573ca77eSGeorge Wilson */ 17743fdda499SJohn Harres if (strcmp(&val[vlen - 6], "s0/old") == 0 && 17753fdda499SJohn Harres strcmp(&srchval[slen - 4], "/old") == 0 && 17763fdda499SJohn Harres strncmp(srchval, val, slen - 4) == 0) 1777573ca77eSGeorge Wilson return (nv); 17783fdda499SJohn Harres 1779573ca77eSGeorge Wilson break; 1780573ca77eSGeorge Wilson } 178188ecc943SGeorge Wilson } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { 178288ecc943SGeorge Wilson char *type, *idx, *end, *p; 178388ecc943SGeorge Wilson uint64_t id, vdev_id; 178488ecc943SGeorge Wilson 178588ecc943SGeorge Wilson /* 178688ecc943SGeorge Wilson * Determine our vdev type, keeping in mind 178788ecc943SGeorge Wilson * that the srchval is composed of a type and 178888ecc943SGeorge Wilson * vdev id pair (i.e. mirror-4). 178988ecc943SGeorge Wilson */ 179088ecc943SGeorge Wilson if ((type = strdup(srchval)) == NULL) 179188ecc943SGeorge Wilson return (NULL); 179288ecc943SGeorge Wilson 179388ecc943SGeorge Wilson if ((p = strrchr(type, '-')) == NULL) { 179488ecc943SGeorge Wilson free(type); 179588ecc943SGeorge Wilson break; 179688ecc943SGeorge Wilson } 179788ecc943SGeorge Wilson idx = p + 1; 179888ecc943SGeorge Wilson *p = '\0'; 179988ecc943SGeorge Wilson 180088ecc943SGeorge Wilson /* 180188ecc943SGeorge Wilson * If the types don't match then keep looking. 180288ecc943SGeorge Wilson */ 180388ecc943SGeorge Wilson if (strncmp(val, type, strlen(val)) != 0) { 180488ecc943SGeorge Wilson free(type); 180588ecc943SGeorge Wilson break; 180688ecc943SGeorge Wilson } 180788ecc943SGeorge Wilson 180888ecc943SGeorge Wilson verify(strncmp(type, VDEV_TYPE_RAIDZ, 180988ecc943SGeorge Wilson strlen(VDEV_TYPE_RAIDZ)) == 0 || 181088ecc943SGeorge Wilson strncmp(type, VDEV_TYPE_MIRROR, 181188ecc943SGeorge Wilson strlen(VDEV_TYPE_MIRROR)) == 0); 181288ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 181388ecc943SGeorge Wilson &id) == 0); 181488ecc943SGeorge Wilson 181588ecc943SGeorge Wilson errno = 0; 181688ecc943SGeorge Wilson vdev_id = strtoull(idx, &end, 10); 181788ecc943SGeorge Wilson 181888ecc943SGeorge Wilson free(type); 181988ecc943SGeorge Wilson if (errno != 0) 182088ecc943SGeorge Wilson return (NULL); 182188ecc943SGeorge Wilson 182288ecc943SGeorge Wilson /* 182388ecc943SGeorge Wilson * Now verify that we have the correct vdev id. 182488ecc943SGeorge Wilson */ 182588ecc943SGeorge Wilson if (vdev_id == id) 182688ecc943SGeorge Wilson return (nv); 1827ea8dc4b6Seschrock } 1828573ca77eSGeorge Wilson 1829573ca77eSGeorge Wilson /* 1830573ca77eSGeorge Wilson * Common case 1831573ca77eSGeorge Wilson */ 1832573ca77eSGeorge Wilson if (strcmp(srchval, val) == 0) 1833573ca77eSGeorge Wilson return (nv); 1834573ca77eSGeorge Wilson break; 1835573ca77eSGeorge Wilson } 1836573ca77eSGeorge Wilson 1837573ca77eSGeorge Wilson default: 1838573ca77eSGeorge Wilson break; 1839ea8dc4b6Seschrock } 1840ea8dc4b6Seschrock 1841ea8dc4b6Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1842ea8dc4b6Seschrock &child, &children) != 0) 184399653d4eSeschrock return (NULL); 1844ea8dc4b6Seschrock 1845ee0eb9f2SEric Schrock for (c = 0; c < children; c++) { 1846573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 1847ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 1848ee0eb9f2SEric Schrock /* 1849ee0eb9f2SEric Schrock * The 'is_log' value is only set for the toplevel 1850ee0eb9f2SEric Schrock * vdev, not the leaf vdevs. So we always lookup the 1851ee0eb9f2SEric Schrock * log device from the root of the vdev tree (where 1852ee0eb9f2SEric Schrock * 'log' is non-NULL). 1853ee0eb9f2SEric Schrock */ 1854ee0eb9f2SEric Schrock if (log != NULL && 1855ee0eb9f2SEric Schrock nvlist_lookup_uint64(child[c], 1856ee0eb9f2SEric Schrock ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && 1857ee0eb9f2SEric Schrock is_log) { 1858ee0eb9f2SEric Schrock *log = B_TRUE; 1859ee0eb9f2SEric Schrock } 1860ea8dc4b6Seschrock return (ret); 1861ee0eb9f2SEric Schrock } 1862ee0eb9f2SEric Schrock } 1863ea8dc4b6Seschrock 186499653d4eSeschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 186599653d4eSeschrock &child, &children) == 0) { 186699653d4eSeschrock for (c = 0; c < children; c++) { 1867573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 1868ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 1869a43d325bSek *avail_spare = B_TRUE; 187099653d4eSeschrock return (ret); 187199653d4eSeschrock } 187299653d4eSeschrock } 187399653d4eSeschrock } 187499653d4eSeschrock 1875fa94a07fSbrendan if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1876fa94a07fSbrendan &child, &children) == 0) { 1877fa94a07fSbrendan for (c = 0; c < children; c++) { 1878573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 1879ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 1880fa94a07fSbrendan *l2cache = B_TRUE; 1881fa94a07fSbrendan return (ret); 1882fa94a07fSbrendan } 1883fa94a07fSbrendan } 1884fa94a07fSbrendan } 1885fa94a07fSbrendan 188699653d4eSeschrock return (NULL); 1887ea8dc4b6Seschrock } 1888ea8dc4b6Seschrock 1889573ca77eSGeorge Wilson /* 1890573ca77eSGeorge Wilson * Given a physical path (minus the "/devices" prefix), find the 1891573ca77eSGeorge Wilson * associated vdev. 1892573ca77eSGeorge Wilson */ 1893573ca77eSGeorge Wilson nvlist_t * 1894573ca77eSGeorge Wilson zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, 1895573ca77eSGeorge Wilson boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) 1896573ca77eSGeorge Wilson { 1897573ca77eSGeorge Wilson nvlist_t *search, *nvroot, *ret; 1898573ca77eSGeorge Wilson 1899573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1900573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); 1901573ca77eSGeorge Wilson 1902573ca77eSGeorge Wilson verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 1903573ca77eSGeorge Wilson &nvroot) == 0); 1904573ca77eSGeorge Wilson 1905573ca77eSGeorge Wilson *avail_spare = B_FALSE; 1906cb04b873SMark J Musante *l2cache = B_FALSE; 1907daeb70e5SMark J Musante if (log != NULL) 1908daeb70e5SMark J Musante *log = B_FALSE; 1909573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 1910573ca77eSGeorge Wilson nvlist_free(search); 1911573ca77eSGeorge Wilson 1912573ca77eSGeorge Wilson return (ret); 1913573ca77eSGeorge Wilson } 1914573ca77eSGeorge Wilson 191588ecc943SGeorge Wilson /* 191688ecc943SGeorge Wilson * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). 191788ecc943SGeorge Wilson */ 191888ecc943SGeorge Wilson boolean_t 191988ecc943SGeorge Wilson zpool_vdev_is_interior(const char *name) 192088ecc943SGeorge Wilson { 192188ecc943SGeorge Wilson if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || 192288ecc943SGeorge Wilson strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) 192388ecc943SGeorge Wilson return (B_TRUE); 192488ecc943SGeorge Wilson return (B_FALSE); 192588ecc943SGeorge Wilson } 192688ecc943SGeorge Wilson 192799653d4eSeschrock nvlist_t * 1928fa94a07fSbrendan zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, 1929ee0eb9f2SEric Schrock boolean_t *l2cache, boolean_t *log) 1930ea8dc4b6Seschrock { 1931ea8dc4b6Seschrock char buf[MAXPATHLEN]; 1932ea8dc4b6Seschrock char *end; 1933573ca77eSGeorge Wilson nvlist_t *nvroot, *search, *ret; 1934ea8dc4b6Seschrock uint64_t guid; 1935ea8dc4b6Seschrock 1936573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 1937573ca77eSGeorge Wilson 19380917b783Seschrock guid = strtoull(path, &end, 10); 1939ea8dc4b6Seschrock if (guid != 0 && *end == '\0') { 1940573ca77eSGeorge Wilson verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); 194188ecc943SGeorge Wilson } else if (zpool_vdev_is_interior(path)) { 194288ecc943SGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); 1943ea8dc4b6Seschrock } else if (path[0] != '/') { 1944ea8dc4b6Seschrock (void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path); 1945573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0); 1946ea8dc4b6Seschrock } else { 1947573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); 1948ea8dc4b6Seschrock } 1949ea8dc4b6Seschrock 1950ea8dc4b6Seschrock verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 1951ea8dc4b6Seschrock &nvroot) == 0); 1952ea8dc4b6Seschrock 1953a43d325bSek *avail_spare = B_FALSE; 1954fa94a07fSbrendan *l2cache = B_FALSE; 1955ee0eb9f2SEric Schrock if (log != NULL) 1956ee0eb9f2SEric Schrock *log = B_FALSE; 1957573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 1958573ca77eSGeorge Wilson nvlist_free(search); 1959573ca77eSGeorge Wilson 1960573ca77eSGeorge Wilson return (ret); 1961a43d325bSek } 1962a43d325bSek 196319397407SSherry Moore static int 196419397407SSherry Moore vdev_online(nvlist_t *nv) 196519397407SSherry Moore { 196619397407SSherry Moore uint64_t ival; 196719397407SSherry Moore 196819397407SSherry Moore if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || 196919397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || 197019397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) 197119397407SSherry Moore return (0); 197219397407SSherry Moore 197319397407SSherry Moore return (1); 197419397407SSherry Moore } 197519397407SSherry Moore 197619397407SSherry Moore /* 197721ecdf64SLin Ling * Helper function for zpool_get_physpaths(). 197819397407SSherry Moore */ 1979753a6d45SSherry Moore static int 198021ecdf64SLin Ling vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, 1981753a6d45SSherry Moore size_t *bytes_written) 198219397407SSherry Moore { 1983753a6d45SSherry Moore size_t bytes_left, pos, rsz; 1984753a6d45SSherry Moore char *tmppath; 1985753a6d45SSherry Moore const char *format; 1986753a6d45SSherry Moore 1987753a6d45SSherry Moore if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, 1988753a6d45SSherry Moore &tmppath) != 0) 1989753a6d45SSherry Moore return (EZFS_NODEVICE); 1990753a6d45SSherry Moore 1991753a6d45SSherry Moore pos = *bytes_written; 1992753a6d45SSherry Moore bytes_left = physpath_size - pos; 1993753a6d45SSherry Moore format = (pos == 0) ? "%s" : " %s"; 1994753a6d45SSherry Moore 1995753a6d45SSherry Moore rsz = snprintf(physpath + pos, bytes_left, format, tmppath); 1996753a6d45SSherry Moore *bytes_written += rsz; 1997753a6d45SSherry Moore 1998753a6d45SSherry Moore if (rsz >= bytes_left) { 1999753a6d45SSherry Moore /* if physpath was not copied properly, clear it */ 2000753a6d45SSherry Moore if (bytes_left != 0) { 2001753a6d45SSherry Moore physpath[pos] = 0; 2002753a6d45SSherry Moore } 2003753a6d45SSherry Moore return (EZFS_NOSPC); 2004753a6d45SSherry Moore } 2005753a6d45SSherry Moore return (0); 2006753a6d45SSherry Moore } 2007753a6d45SSherry Moore 200821ecdf64SLin Ling static int 200921ecdf64SLin Ling vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, 201021ecdf64SLin Ling size_t *rsz, boolean_t is_spare) 201121ecdf64SLin Ling { 201221ecdf64SLin Ling char *type; 201321ecdf64SLin Ling int ret; 201421ecdf64SLin Ling 201521ecdf64SLin Ling if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) 201621ecdf64SLin Ling return (EZFS_INVALCONFIG); 201721ecdf64SLin Ling 201821ecdf64SLin Ling if (strcmp(type, VDEV_TYPE_DISK) == 0) { 201921ecdf64SLin Ling /* 202021ecdf64SLin Ling * An active spare device has ZPOOL_CONFIG_IS_SPARE set. 202121ecdf64SLin Ling * For a spare vdev, we only want to boot from the active 202221ecdf64SLin Ling * spare device. 202321ecdf64SLin Ling */ 202421ecdf64SLin Ling if (is_spare) { 202521ecdf64SLin Ling uint64_t spare = 0; 202621ecdf64SLin Ling (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, 202721ecdf64SLin Ling &spare); 202821ecdf64SLin Ling if (!spare) 202921ecdf64SLin Ling return (EZFS_INVALCONFIG); 203021ecdf64SLin Ling } 203121ecdf64SLin Ling 203221ecdf64SLin Ling if (vdev_online(nv)) { 203321ecdf64SLin Ling if ((ret = vdev_get_one_physpath(nv, physpath, 203421ecdf64SLin Ling phypath_size, rsz)) != 0) 203521ecdf64SLin Ling return (ret); 203621ecdf64SLin Ling } 203721ecdf64SLin Ling } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || 203821ecdf64SLin Ling strcmp(type, VDEV_TYPE_REPLACING) == 0 || 203921ecdf64SLin Ling (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { 204021ecdf64SLin Ling nvlist_t **child; 204121ecdf64SLin Ling uint_t count; 204221ecdf64SLin Ling int i, ret; 204321ecdf64SLin Ling 204421ecdf64SLin Ling if (nvlist_lookup_nvlist_array(nv, 204521ecdf64SLin Ling ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) 204621ecdf64SLin Ling return (EZFS_INVALCONFIG); 204721ecdf64SLin Ling 204821ecdf64SLin Ling for (i = 0; i < count; i++) { 204921ecdf64SLin Ling ret = vdev_get_physpaths(child[i], physpath, 205021ecdf64SLin Ling phypath_size, rsz, is_spare); 205121ecdf64SLin Ling if (ret == EZFS_NOSPC) 205221ecdf64SLin Ling return (ret); 205321ecdf64SLin Ling } 205421ecdf64SLin Ling } 205521ecdf64SLin Ling 205621ecdf64SLin Ling return (EZFS_POOL_INVALARG); 205721ecdf64SLin Ling } 205821ecdf64SLin Ling 2059753a6d45SSherry Moore /* 2060753a6d45SSherry Moore * Get phys_path for a root pool config. 2061753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2062753a6d45SSherry Moore */ 2063753a6d45SSherry Moore static int 2064753a6d45SSherry Moore zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) 2065753a6d45SSherry Moore { 2066753a6d45SSherry Moore size_t rsz; 206719397407SSherry Moore nvlist_t *vdev_root; 206819397407SSherry Moore nvlist_t **child; 206919397407SSherry Moore uint_t count; 2070753a6d45SSherry Moore char *type; 2071753a6d45SSherry Moore 2072753a6d45SSherry Moore rsz = 0; 2073753a6d45SSherry Moore 2074753a6d45SSherry Moore if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2075753a6d45SSherry Moore &vdev_root) != 0) 2076753a6d45SSherry Moore return (EZFS_INVALCONFIG); 2077753a6d45SSherry Moore 2078753a6d45SSherry Moore if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || 2079753a6d45SSherry Moore nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, 2080753a6d45SSherry Moore &child, &count) != 0) 2081753a6d45SSherry Moore return (EZFS_INVALCONFIG); 208219397407SSherry Moore 208319397407SSherry Moore /* 2084753a6d45SSherry Moore * root pool can not have EFI labeled disks and can only have 2085753a6d45SSherry Moore * a single top-level vdev. 208619397407SSherry Moore */ 2087753a6d45SSherry Moore if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || 2088753a6d45SSherry Moore pool_uses_efi(vdev_root)) 2089753a6d45SSherry Moore return (EZFS_POOL_INVALARG); 209019397407SSherry Moore 209121ecdf64SLin Ling (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, 209221ecdf64SLin Ling B_FALSE); 209319397407SSherry Moore 2094753a6d45SSherry Moore /* No online devices */ 2095753a6d45SSherry Moore if (rsz == 0) 2096753a6d45SSherry Moore return (EZFS_NODEVICE); 2097753a6d45SSherry Moore 209819397407SSherry Moore return (0); 209919397407SSherry Moore } 210019397407SSherry Moore 2101753a6d45SSherry Moore /* 2102753a6d45SSherry Moore * Get phys_path for a root pool 2103753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2104753a6d45SSherry Moore */ 2105753a6d45SSherry Moore int 2106753a6d45SSherry Moore zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) 2107753a6d45SSherry Moore { 2108753a6d45SSherry Moore return (zpool_get_config_physpath(zhp->zpool_config, physpath, 2109753a6d45SSherry Moore phypath_size)); 2110753a6d45SSherry Moore } 2111753a6d45SSherry Moore 2112573ca77eSGeorge Wilson /* 2113573ca77eSGeorge Wilson * If the device has being dynamically expanded then we need to relabel 2114573ca77eSGeorge Wilson * the disk to use the new unallocated space. 2115573ca77eSGeorge Wilson */ 2116573ca77eSGeorge Wilson static int 2117573ca77eSGeorge Wilson zpool_relabel_disk(libzfs_handle_t *hdl, const char *name) 2118573ca77eSGeorge Wilson { 2119573ca77eSGeorge Wilson char path[MAXPATHLEN]; 2120573ca77eSGeorge Wilson char errbuf[1024]; 2121573ca77eSGeorge Wilson int fd, error; 2122573ca77eSGeorge Wilson int (*_efi_use_whole_disk)(int); 2123573ca77eSGeorge Wilson 2124573ca77eSGeorge Wilson if ((_efi_use_whole_disk = (int (*)(int))dlsym(RTLD_DEFAULT, 2125573ca77eSGeorge Wilson "efi_use_whole_disk")) == NULL) 2126573ca77eSGeorge Wilson return (-1); 2127573ca77eSGeorge Wilson 2128573ca77eSGeorge Wilson (void) snprintf(path, sizeof (path), "%s/%s", RDISK_ROOT, name); 2129573ca77eSGeorge Wilson 2130573ca77eSGeorge Wilson if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 2131573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2132573ca77eSGeorge Wilson "relabel '%s': unable to open device"), name); 2133573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 2134573ca77eSGeorge Wilson } 2135573ca77eSGeorge Wilson 2136573ca77eSGeorge Wilson /* 2137573ca77eSGeorge Wilson * It's possible that we might encounter an error if the device 2138573ca77eSGeorge Wilson * does not have any unallocated space left. If so, we simply 2139573ca77eSGeorge Wilson * ignore that error and continue on. 2140573ca77eSGeorge Wilson */ 2141573ca77eSGeorge Wilson error = _efi_use_whole_disk(fd); 2142573ca77eSGeorge Wilson (void) close(fd); 2143573ca77eSGeorge Wilson if (error && error != VT_ENOSPC) { 2144573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2145573ca77eSGeorge Wilson "relabel '%s': unable to read disk capacity"), name); 2146573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 2147573ca77eSGeorge Wilson } 2148573ca77eSGeorge Wilson return (0); 2149573ca77eSGeorge Wilson } 2150573ca77eSGeorge Wilson 2151fa9e4066Sahrens /* 21523d7072f8Seschrock * Bring the specified vdev online. The 'flags' parameter is a set of the 21533d7072f8Seschrock * ZFS_ONLINE_* flags. 2154fa9e4066Sahrens */ 2155fa9e4066Sahrens int 21563d7072f8Seschrock zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, 21573d7072f8Seschrock vdev_state_t *newstate) 2158fa9e4066Sahrens { 2159fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2160fa9e4066Sahrens char msg[1024]; 216199653d4eSeschrock nvlist_t *tgt; 2162573ca77eSGeorge Wilson boolean_t avail_spare, l2cache, islog; 216399653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2164fa9e4066Sahrens 2165573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND) { 2166573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2167573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot expand %s"), path); 2168573ca77eSGeorge Wilson } else { 2169573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2170573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot online %s"), path); 2171573ca77eSGeorge Wilson } 2172ea8dc4b6Seschrock 2173fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2174ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2175573ca77eSGeorge Wilson &islog)) == NULL) 217699653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2177fa9e4066Sahrens 217899653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2179fa9e4066Sahrens 2180069f55e2SEric Schrock if (avail_spare) 2181a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2182a43d325bSek 2183573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND || 2184573ca77eSGeorge Wilson zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { 2185573ca77eSGeorge Wilson char *pathname = NULL; 2186573ca77eSGeorge Wilson uint64_t wholedisk = 0; 2187573ca77eSGeorge Wilson 2188573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, 2189573ca77eSGeorge Wilson &wholedisk); 2190573ca77eSGeorge Wilson verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, 2191573ca77eSGeorge Wilson &pathname) == 0); 2192573ca77eSGeorge Wilson 2193573ca77eSGeorge Wilson /* 2194573ca77eSGeorge Wilson * XXX - L2ARC 1.0 devices can't support expansion. 2195573ca77eSGeorge Wilson */ 2196573ca77eSGeorge Wilson if (l2cache) { 2197573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2198573ca77eSGeorge Wilson "cannot expand cache devices")); 2199573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); 2200573ca77eSGeorge Wilson } 2201573ca77eSGeorge Wilson 2202573ca77eSGeorge Wilson if (wholedisk) { 2203573ca77eSGeorge Wilson pathname += strlen(DISK_ROOT) + 1; 2204cb04b873SMark J Musante (void) zpool_relabel_disk(hdl, pathname); 2205573ca77eSGeorge Wilson } 2206573ca77eSGeorge Wilson } 2207573ca77eSGeorge Wilson 22083d7072f8Seschrock zc.zc_cookie = VDEV_STATE_ONLINE; 22093d7072f8Seschrock zc.zc_obj = flags; 2210fa9e4066Sahrens 2211cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { 22121195e687SMark J Musante if (errno == EINVAL) { 22131195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " 22141195e687SMark J Musante "from this pool into a new one. Use '%s' " 22151195e687SMark J Musante "instead"), "zpool detach"); 22161195e687SMark J Musante return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); 22171195e687SMark J Musante } 22183d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 22191195e687SMark J Musante } 22203d7072f8Seschrock 22213d7072f8Seschrock *newstate = zc.zc_cookie; 22223d7072f8Seschrock return (0); 2223fa9e4066Sahrens } 2224fa9e4066Sahrens 2225fa9e4066Sahrens /* 2226fa9e4066Sahrens * Take the specified vdev offline 2227fa9e4066Sahrens */ 2228fa9e4066Sahrens int 22293d7072f8Seschrock zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) 2230fa9e4066Sahrens { 2231fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2232fa9e4066Sahrens char msg[1024]; 223399653d4eSeschrock nvlist_t *tgt; 2234fa94a07fSbrendan boolean_t avail_spare, l2cache; 223599653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2236fa9e4066Sahrens 2237ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2238ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot offline %s"), path); 2239ea8dc4b6Seschrock 2240fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2241ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2242ee0eb9f2SEric Schrock NULL)) == NULL) 224399653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 224499653d4eSeschrock 224599653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2246fa9e4066Sahrens 2247069f55e2SEric Schrock if (avail_spare) 2248a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2249a43d325bSek 22503d7072f8Seschrock zc.zc_cookie = VDEV_STATE_OFFLINE; 22513d7072f8Seschrock zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; 22523d7072f8Seschrock 2253cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 22543d7072f8Seschrock return (0); 22553d7072f8Seschrock 22563d7072f8Seschrock switch (errno) { 22573d7072f8Seschrock case EBUSY: 22583d7072f8Seschrock 22593d7072f8Seschrock /* 22603d7072f8Seschrock * There are no other replicas of this device. 22613d7072f8Seschrock */ 22623d7072f8Seschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 22633d7072f8Seschrock 2264e6ca193dSGeorge Wilson case EEXIST: 2265e6ca193dSGeorge Wilson /* 2266e6ca193dSGeorge Wilson * The log device has unplayed logs 2267e6ca193dSGeorge Wilson */ 2268e6ca193dSGeorge Wilson return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); 2269e6ca193dSGeorge Wilson 22703d7072f8Seschrock default: 22713d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 22723d7072f8Seschrock } 22733d7072f8Seschrock } 22743d7072f8Seschrock 22753d7072f8Seschrock /* 22763d7072f8Seschrock * Mark the given vdev faulted. 22773d7072f8Seschrock */ 22783d7072f8Seschrock int 2279069f55e2SEric Schrock zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 22803d7072f8Seschrock { 22813d7072f8Seschrock zfs_cmd_t zc = { 0 }; 22823d7072f8Seschrock char msg[1024]; 22833d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 22843d7072f8Seschrock 22853d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 22863d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot fault %llu"), guid); 2287441d80aaSlling 22883d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 22893d7072f8Seschrock zc.zc_guid = guid; 22903d7072f8Seschrock zc.zc_cookie = VDEV_STATE_FAULTED; 2291069f55e2SEric Schrock zc.zc_obj = aux; 22923d7072f8Seschrock 2293cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 2294fa9e4066Sahrens return (0); 2295fa9e4066Sahrens 2296fa9e4066Sahrens switch (errno) { 229799653d4eSeschrock case EBUSY: 2298fa9e4066Sahrens 2299fa9e4066Sahrens /* 2300fa9e4066Sahrens * There are no other replicas of this device. 2301fa9e4066Sahrens */ 230299653d4eSeschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 2303fa9e4066Sahrens 230499653d4eSeschrock default: 230599653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 2306fa9e4066Sahrens } 23073d7072f8Seschrock 23083d7072f8Seschrock } 23093d7072f8Seschrock 23103d7072f8Seschrock /* 23113d7072f8Seschrock * Mark the given vdev degraded. 23123d7072f8Seschrock */ 23133d7072f8Seschrock int 2314069f55e2SEric Schrock zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 23153d7072f8Seschrock { 23163d7072f8Seschrock zfs_cmd_t zc = { 0 }; 23173d7072f8Seschrock char msg[1024]; 23183d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 23193d7072f8Seschrock 23203d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 23213d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot degrade %llu"), guid); 23223d7072f8Seschrock 23233d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 23243d7072f8Seschrock zc.zc_guid = guid; 23253d7072f8Seschrock zc.zc_cookie = VDEV_STATE_DEGRADED; 2326069f55e2SEric Schrock zc.zc_obj = aux; 23273d7072f8Seschrock 2328cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 23293d7072f8Seschrock return (0); 23303d7072f8Seschrock 23313d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 233299653d4eSeschrock } 233399653d4eSeschrock 233499653d4eSeschrock /* 233599653d4eSeschrock * Returns TRUE if the given nvlist is a vdev that was originally swapped in as 233699653d4eSeschrock * a hot spare. 233799653d4eSeschrock */ 233899653d4eSeschrock static boolean_t 233999653d4eSeschrock is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) 234099653d4eSeschrock { 234199653d4eSeschrock nvlist_t **child; 234299653d4eSeschrock uint_t c, children; 234399653d4eSeschrock char *type; 234499653d4eSeschrock 234599653d4eSeschrock if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, 234699653d4eSeschrock &children) == 0) { 234799653d4eSeschrock verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, 234899653d4eSeschrock &type) == 0); 234999653d4eSeschrock 235099653d4eSeschrock if (strcmp(type, VDEV_TYPE_SPARE) == 0 && 235199653d4eSeschrock children == 2 && child[which] == tgt) 235299653d4eSeschrock return (B_TRUE); 235399653d4eSeschrock 235499653d4eSeschrock for (c = 0; c < children; c++) 235599653d4eSeschrock if (is_replacing_spare(child[c], tgt, which)) 235699653d4eSeschrock return (B_TRUE); 235799653d4eSeschrock } 235899653d4eSeschrock 235999653d4eSeschrock return (B_FALSE); 2360fa9e4066Sahrens } 2361fa9e4066Sahrens 2362fa9e4066Sahrens /* 2363fa9e4066Sahrens * Attach new_disk (fully described by nvroot) to old_disk. 23648654d025Sperrin * If 'replacing' is specified, the new disk will replace the old one. 2365fa9e4066Sahrens */ 2366fa9e4066Sahrens int 2367fa9e4066Sahrens zpool_vdev_attach(zpool_handle_t *zhp, 2368fa9e4066Sahrens const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) 2369fa9e4066Sahrens { 2370fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2371fa9e4066Sahrens char msg[1024]; 2372fa9e4066Sahrens int ret; 237399653d4eSeschrock nvlist_t *tgt; 2374ee0eb9f2SEric Schrock boolean_t avail_spare, l2cache, islog; 2375ee0eb9f2SEric Schrock uint64_t val; 2376cb04b873SMark J Musante char *newname; 237799653d4eSeschrock nvlist_t **child; 237899653d4eSeschrock uint_t children; 237999653d4eSeschrock nvlist_t *config_root; 238099653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2381b5b76fecSGeorge Wilson boolean_t rootpool = pool_is_bootable(zhp); 2382fa9e4066Sahrens 2383ea8dc4b6Seschrock if (replacing) 2384ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2385ea8dc4b6Seschrock "cannot replace %s with %s"), old_disk, new_disk); 2386ea8dc4b6Seschrock else 2387ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2388ea8dc4b6Seschrock "cannot attach %s to %s"), new_disk, old_disk); 2389ea8dc4b6Seschrock 2390b5b76fecSGeorge Wilson /* 2391b5b76fecSGeorge Wilson * If this is a root pool, make sure that we're not attaching an 2392b5b76fecSGeorge Wilson * EFI labeled device. 2393b5b76fecSGeorge Wilson */ 2394b5b76fecSGeorge Wilson if (rootpool && pool_uses_efi(nvroot)) { 2395b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2396b5b76fecSGeorge Wilson "EFI labeled devices are not supported on root pools.")); 2397b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); 2398b5b76fecSGeorge Wilson } 2399b5b76fecSGeorge Wilson 2400fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2401ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, 2402ee0eb9f2SEric Schrock &islog)) == 0) 240399653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 240499653d4eSeschrock 2405a43d325bSek if (avail_spare) 240699653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 240799653d4eSeschrock 2408fa94a07fSbrendan if (l2cache) 2409fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2410fa94a07fSbrendan 241199653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2412fa9e4066Sahrens zc.zc_cookie = replacing; 2413fa9e4066Sahrens 241499653d4eSeschrock if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 241599653d4eSeschrock &child, &children) != 0 || children != 1) { 241699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 241799653d4eSeschrock "new device must be a single disk")); 241899653d4eSeschrock return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); 241999653d4eSeschrock } 242099653d4eSeschrock 242199653d4eSeschrock verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 242299653d4eSeschrock ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); 242399653d4eSeschrock 242488ecc943SGeorge Wilson if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) 24250430f8daSeschrock return (-1); 24260430f8daSeschrock 242799653d4eSeschrock /* 242899653d4eSeschrock * If the target is a hot spare that has been swapped in, we can only 242999653d4eSeschrock * replace it with another hot spare. 243099653d4eSeschrock */ 243199653d4eSeschrock if (replacing && 243299653d4eSeschrock nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && 2433ee0eb9f2SEric Schrock (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, 2434ee0eb9f2SEric Schrock NULL) == NULL || !avail_spare) && 2435ee0eb9f2SEric Schrock is_replacing_spare(config_root, tgt, 1)) { 243699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 243799653d4eSeschrock "can only be replaced by another hot spare")); 24380430f8daSeschrock free(newname); 243999653d4eSeschrock return (zfs_error(hdl, EZFS_BADTARGET, msg)); 244099653d4eSeschrock } 244199653d4eSeschrock 24420430f8daSeschrock free(newname); 24430430f8daSeschrock 2444990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 244599653d4eSeschrock return (-1); 2446fa9e4066Sahrens 2447cb04b873SMark J Musante ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); 2448fa9e4066Sahrens 2449e9dbad6fSeschrock zcmd_free_nvlists(&zc); 2450fa9e4066Sahrens 2451b5b76fecSGeorge Wilson if (ret == 0) { 2452b5b76fecSGeorge Wilson if (rootpool) { 245321ecdf64SLin Ling /* 245421ecdf64SLin Ling * XXX need a better way to prevent user from 245521ecdf64SLin Ling * booting up a half-baked vdev. 245621ecdf64SLin Ling */ 245721ecdf64SLin Ling (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " 245821ecdf64SLin Ling "sure to wait until resilver is done " 245921ecdf64SLin Ling "before rebooting.\n")); 2460b5b76fecSGeorge Wilson } 2461fa9e4066Sahrens return (0); 2462b5b76fecSGeorge Wilson } 2463fa9e4066Sahrens 2464fa9e4066Sahrens switch (errno) { 2465ea8dc4b6Seschrock case ENOTSUP: 2466fa9e4066Sahrens /* 2467fa9e4066Sahrens * Can't attach to or replace this type of vdev. 2468fa9e4066Sahrens */ 24698654d025Sperrin if (replacing) { 2470cb04b873SMark J Musante uint64_t version = zpool_get_prop_int(zhp, 2471cb04b873SMark J Musante ZPOOL_PROP_VERSION, NULL); 2472cb04b873SMark J Musante 2473ee0eb9f2SEric Schrock if (islog) 24748654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 24758654d025Sperrin "cannot replace a log with a spare")); 2476cb04b873SMark J Musante else if (version >= SPA_VERSION_MULTI_REPLACE) 2477cb04b873SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2478cb04b873SMark J Musante "already in replacing/spare config; wait " 2479cb04b873SMark J Musante "for completion or use 'zpool detach'")); 24808654d025Sperrin else 24818654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 24828654d025Sperrin "cannot replace a replacing device")); 24838654d025Sperrin } else { 248499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 248599653d4eSeschrock "can only attach to mirrors and top-level " 248699653d4eSeschrock "disks")); 24878654d025Sperrin } 248899653d4eSeschrock (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2489fa9e4066Sahrens break; 2490fa9e4066Sahrens 2491ea8dc4b6Seschrock case EINVAL: 2492fa9e4066Sahrens /* 2493fa9e4066Sahrens * The new device must be a single disk. 2494fa9e4066Sahrens */ 249599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 249699653d4eSeschrock "new device must be a single disk")); 249799653d4eSeschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); 2498fa9e4066Sahrens break; 2499fa9e4066Sahrens 2500ea8dc4b6Seschrock case EBUSY: 250199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), 250299653d4eSeschrock new_disk); 250399653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2504fa9e4066Sahrens break; 2505fa9e4066Sahrens 2506ea8dc4b6Seschrock case EOVERFLOW: 2507fa9e4066Sahrens /* 2508fa9e4066Sahrens * The new device is too small. 2509fa9e4066Sahrens */ 251099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 251199653d4eSeschrock "device is too small")); 251299653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2513fa9e4066Sahrens break; 2514fa9e4066Sahrens 2515ea8dc4b6Seschrock case EDOM: 2516fa9e4066Sahrens /* 2517fa9e4066Sahrens * The new device has a different alignment requirement. 2518fa9e4066Sahrens */ 251999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 252099653d4eSeschrock "devices have different sector alignment")); 252199653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2522fa9e4066Sahrens break; 2523fa9e4066Sahrens 2524ea8dc4b6Seschrock case ENAMETOOLONG: 2525fa9e4066Sahrens /* 2526fa9e4066Sahrens * The resulting top-level vdev spec won't fit in the label. 2527fa9e4066Sahrens */ 252899653d4eSeschrock (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); 2529fa9e4066Sahrens break; 2530fa9e4066Sahrens 2531ea8dc4b6Seschrock default: 253299653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2533fa9e4066Sahrens } 2534fa9e4066Sahrens 253599653d4eSeschrock return (-1); 2536fa9e4066Sahrens } 2537fa9e4066Sahrens 2538fa9e4066Sahrens /* 2539fa9e4066Sahrens * Detach the specified device. 2540fa9e4066Sahrens */ 2541fa9e4066Sahrens int 2542fa9e4066Sahrens zpool_vdev_detach(zpool_handle_t *zhp, const char *path) 2543fa9e4066Sahrens { 2544fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2545fa9e4066Sahrens char msg[1024]; 254699653d4eSeschrock nvlist_t *tgt; 2547fa94a07fSbrendan boolean_t avail_spare, l2cache; 254899653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2549fa9e4066Sahrens 2550ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2551ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot detach %s"), path); 2552ea8dc4b6Seschrock 2553fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2554ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2555ee0eb9f2SEric Schrock NULL)) == 0) 255699653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2557fa9e4066Sahrens 2558a43d325bSek if (avail_spare) 255999653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 256099653d4eSeschrock 2561fa94a07fSbrendan if (l2cache) 2562fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2563fa94a07fSbrendan 256499653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 256599653d4eSeschrock 2566ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) 2567fa9e4066Sahrens return (0); 2568fa9e4066Sahrens 2569fa9e4066Sahrens switch (errno) { 2570fa9e4066Sahrens 2571ea8dc4b6Seschrock case ENOTSUP: 2572fa9e4066Sahrens /* 2573fa9e4066Sahrens * Can't detach from this type of vdev. 2574fa9e4066Sahrens */ 257599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " 257699653d4eSeschrock "applicable to mirror and replacing vdevs")); 2577cb04b873SMark J Musante (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2578fa9e4066Sahrens break; 2579fa9e4066Sahrens 2580ea8dc4b6Seschrock case EBUSY: 2581fa9e4066Sahrens /* 2582fa9e4066Sahrens * There are no other replicas of this device. 2583fa9e4066Sahrens */ 258499653d4eSeschrock (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); 2585fa9e4066Sahrens break; 2586fa9e4066Sahrens 2587ea8dc4b6Seschrock default: 258899653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2589ea8dc4b6Seschrock } 2590ea8dc4b6Seschrock 259199653d4eSeschrock return (-1); 259299653d4eSeschrock } 259399653d4eSeschrock 25941195e687SMark J Musante /* 25951195e687SMark J Musante * Find a mirror vdev in the source nvlist. 25961195e687SMark J Musante * 25971195e687SMark J Musante * The mchild array contains a list of disks in one of the top-level mirrors 25981195e687SMark J Musante * of the source pool. The schild array contains a list of disks that the 25991195e687SMark J Musante * user specified on the command line. We loop over the mchild array to 26001195e687SMark J Musante * see if any entry in the schild array matches. 26011195e687SMark J Musante * 26021195e687SMark J Musante * If a disk in the mchild array is found in the schild array, we return 26031195e687SMark J Musante * the index of that entry. Otherwise we return -1. 26041195e687SMark J Musante */ 26051195e687SMark J Musante static int 26061195e687SMark J Musante find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, 26071195e687SMark J Musante nvlist_t **schild, uint_t schildren) 26081195e687SMark J Musante { 26091195e687SMark J Musante uint_t mc; 26101195e687SMark J Musante 26111195e687SMark J Musante for (mc = 0; mc < mchildren; mc++) { 26121195e687SMark J Musante uint_t sc; 26131195e687SMark J Musante char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, 26141195e687SMark J Musante mchild[mc], B_FALSE); 26151195e687SMark J Musante 26161195e687SMark J Musante for (sc = 0; sc < schildren; sc++) { 26171195e687SMark J Musante char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, 26181195e687SMark J Musante schild[sc], B_FALSE); 26191195e687SMark J Musante boolean_t result = (strcmp(mpath, spath) == 0); 26201195e687SMark J Musante 26211195e687SMark J Musante free(spath); 26221195e687SMark J Musante if (result) { 26231195e687SMark J Musante free(mpath); 26241195e687SMark J Musante return (mc); 26251195e687SMark J Musante } 26261195e687SMark J Musante } 26271195e687SMark J Musante 26281195e687SMark J Musante free(mpath); 26291195e687SMark J Musante } 26301195e687SMark J Musante 26311195e687SMark J Musante return (-1); 26321195e687SMark J Musante } 26331195e687SMark J Musante 26341195e687SMark J Musante /* 26351195e687SMark J Musante * Split a mirror pool. If newroot points to null, then a new nvlist 26361195e687SMark J Musante * is generated and it is the responsibility of the caller to free it. 26371195e687SMark J Musante */ 26381195e687SMark J Musante int 26391195e687SMark J Musante zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, 26401195e687SMark J Musante nvlist_t *props, splitflags_t flags) 26411195e687SMark J Musante { 26421195e687SMark J Musante zfs_cmd_t zc = { 0 }; 26431195e687SMark J Musante char msg[1024]; 26441195e687SMark J Musante nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; 26451195e687SMark J Musante nvlist_t **varray = NULL, *zc_props = NULL; 26461195e687SMark J Musante uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; 26471195e687SMark J Musante libzfs_handle_t *hdl = zhp->zpool_hdl; 26481195e687SMark J Musante uint64_t vers; 26491195e687SMark J Musante boolean_t freelist = B_FALSE, memory_err = B_TRUE; 26501195e687SMark J Musante int retval = 0; 26511195e687SMark J Musante 26521195e687SMark J Musante (void) snprintf(msg, sizeof (msg), 26531195e687SMark J Musante dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); 26541195e687SMark J Musante 26551195e687SMark J Musante if (!zpool_name_valid(hdl, B_FALSE, newname)) 26561195e687SMark J Musante return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 26571195e687SMark J Musante 26581195e687SMark J Musante if ((config = zpool_get_config(zhp, NULL)) == NULL) { 26591195e687SMark J Musante (void) fprintf(stderr, gettext("Internal error: unable to " 26601195e687SMark J Musante "retrieve pool configuration\n")); 26611195e687SMark J Musante return (-1); 26621195e687SMark J Musante } 26631195e687SMark J Musante 26641195e687SMark J Musante verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) 26651195e687SMark J Musante == 0); 26661195e687SMark J Musante verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); 26671195e687SMark J Musante 26681195e687SMark J Musante if (props) { 2669f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 26701195e687SMark J Musante if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, 2671f9af39baSGeorge Wilson props, vers, flags, msg)) == NULL) 26721195e687SMark J Musante return (-1); 26731195e687SMark J Musante } 26741195e687SMark J Musante 26751195e687SMark J Musante if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 26761195e687SMark J Musante &children) != 0) { 26771195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 26781195e687SMark J Musante "Source pool is missing vdev tree")); 26791195e687SMark J Musante if (zc_props) 26801195e687SMark J Musante nvlist_free(zc_props); 26811195e687SMark J Musante return (-1); 26821195e687SMark J Musante } 26831195e687SMark J Musante 26841195e687SMark J Musante varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); 26851195e687SMark J Musante vcount = 0; 26861195e687SMark J Musante 26871195e687SMark J Musante if (*newroot == NULL || 26881195e687SMark J Musante nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, 26891195e687SMark J Musante &newchild, &newchildren) != 0) 26901195e687SMark J Musante newchildren = 0; 26911195e687SMark J Musante 26921195e687SMark J Musante for (c = 0; c < children; c++) { 26931195e687SMark J Musante uint64_t is_log = B_FALSE, is_hole = B_FALSE; 26941195e687SMark J Musante char *type; 26951195e687SMark J Musante nvlist_t **mchild, *vdev; 26961195e687SMark J Musante uint_t mchildren; 26971195e687SMark J Musante int entry; 26981195e687SMark J Musante 26991195e687SMark J Musante /* 27001195e687SMark J Musante * Unlike cache & spares, slogs are stored in the 27011195e687SMark J Musante * ZPOOL_CONFIG_CHILDREN array. We filter them out here. 27021195e687SMark J Musante */ 27031195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 27041195e687SMark J Musante &is_log); 27051195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 27061195e687SMark J Musante &is_hole); 27071195e687SMark J Musante if (is_log || is_hole) { 27081195e687SMark J Musante /* 27091195e687SMark J Musante * Create a hole vdev and put it in the config. 27101195e687SMark J Musante */ 27111195e687SMark J Musante if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) 27121195e687SMark J Musante goto out; 27131195e687SMark J Musante if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, 27141195e687SMark J Musante VDEV_TYPE_HOLE) != 0) 27151195e687SMark J Musante goto out; 27161195e687SMark J Musante if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, 27171195e687SMark J Musante 1) != 0) 27181195e687SMark J Musante goto out; 27191195e687SMark J Musante if (lastlog == 0) 27201195e687SMark J Musante lastlog = vcount; 27211195e687SMark J Musante varray[vcount++] = vdev; 27221195e687SMark J Musante continue; 27231195e687SMark J Musante } 27241195e687SMark J Musante lastlog = 0; 27251195e687SMark J Musante verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) 27261195e687SMark J Musante == 0); 27271195e687SMark J Musante if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { 27281195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 27291195e687SMark J Musante "Source pool must be composed only of mirrors\n")); 27301195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 27311195e687SMark J Musante goto out; 27321195e687SMark J Musante } 27331195e687SMark J Musante 27341195e687SMark J Musante verify(nvlist_lookup_nvlist_array(child[c], 27351195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 27361195e687SMark J Musante 27371195e687SMark J Musante /* find or add an entry for this top-level vdev */ 27381195e687SMark J Musante if (newchildren > 0 && 27391195e687SMark J Musante (entry = find_vdev_entry(zhp, mchild, mchildren, 27401195e687SMark J Musante newchild, newchildren)) >= 0) { 27411195e687SMark J Musante /* We found a disk that the user specified. */ 27421195e687SMark J Musante vdev = mchild[entry]; 27431195e687SMark J Musante ++found; 27441195e687SMark J Musante } else { 27451195e687SMark J Musante /* User didn't specify a disk for this vdev. */ 27461195e687SMark J Musante vdev = mchild[mchildren - 1]; 27471195e687SMark J Musante } 27481195e687SMark J Musante 27491195e687SMark J Musante if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) 27501195e687SMark J Musante goto out; 27511195e687SMark J Musante } 27521195e687SMark J Musante 27531195e687SMark J Musante /* did we find every disk the user specified? */ 27541195e687SMark J Musante if (found != newchildren) { 27551195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " 27561195e687SMark J Musante "include at most one disk from each mirror")); 27571195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 27581195e687SMark J Musante goto out; 27591195e687SMark J Musante } 27601195e687SMark J Musante 27611195e687SMark J Musante /* Prepare the nvlist for populating. */ 27621195e687SMark J Musante if (*newroot == NULL) { 27631195e687SMark J Musante if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) 27641195e687SMark J Musante goto out; 27651195e687SMark J Musante freelist = B_TRUE; 27661195e687SMark J Musante if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, 27671195e687SMark J Musante VDEV_TYPE_ROOT) != 0) 27681195e687SMark J Musante goto out; 27691195e687SMark J Musante } else { 27701195e687SMark J Musante verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); 27711195e687SMark J Musante } 27721195e687SMark J Musante 27731195e687SMark J Musante /* Add all the children we found */ 27741195e687SMark J Musante if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, 27751195e687SMark J Musante lastlog == 0 ? vcount : lastlog) != 0) 27761195e687SMark J Musante goto out; 27771195e687SMark J Musante 27781195e687SMark J Musante /* 27791195e687SMark J Musante * If we're just doing a dry run, exit now with success. 27801195e687SMark J Musante */ 27811195e687SMark J Musante if (flags.dryrun) { 27821195e687SMark J Musante memory_err = B_FALSE; 27831195e687SMark J Musante freelist = B_FALSE; 27841195e687SMark J Musante goto out; 27851195e687SMark J Musante } 27861195e687SMark J Musante 27871195e687SMark J Musante /* now build up the config list & call the ioctl */ 27881195e687SMark J Musante if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) 27891195e687SMark J Musante goto out; 27901195e687SMark J Musante 27911195e687SMark J Musante if (nvlist_add_nvlist(newconfig, 27921195e687SMark J Musante ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || 27931195e687SMark J Musante nvlist_add_string(newconfig, 27941195e687SMark J Musante ZPOOL_CONFIG_POOL_NAME, newname) != 0 || 27951195e687SMark J Musante nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) 27961195e687SMark J Musante goto out; 27971195e687SMark J Musante 27981195e687SMark J Musante /* 27991195e687SMark J Musante * The new pool is automatically part of the namespace unless we 28001195e687SMark J Musante * explicitly export it. 28011195e687SMark J Musante */ 28021195e687SMark J Musante if (!flags.import) 28031195e687SMark J Musante zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; 28041195e687SMark J Musante (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 28051195e687SMark J Musante (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); 28061195e687SMark J Musante if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) 28071195e687SMark J Musante goto out; 28081195e687SMark J Musante if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 28091195e687SMark J Musante goto out; 28101195e687SMark J Musante 28111195e687SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { 28121195e687SMark J Musante retval = zpool_standard_error(hdl, errno, msg); 28131195e687SMark J Musante goto out; 28141195e687SMark J Musante } 28151195e687SMark J Musante 28161195e687SMark J Musante freelist = B_FALSE; 28171195e687SMark J Musante memory_err = B_FALSE; 28181195e687SMark J Musante 28191195e687SMark J Musante out: 28201195e687SMark J Musante if (varray != NULL) { 28211195e687SMark J Musante int v; 28221195e687SMark J Musante 28231195e687SMark J Musante for (v = 0; v < vcount; v++) 28241195e687SMark J Musante nvlist_free(varray[v]); 28251195e687SMark J Musante free(varray); 28261195e687SMark J Musante } 28271195e687SMark J Musante zcmd_free_nvlists(&zc); 28281195e687SMark J Musante if (zc_props) 28291195e687SMark J Musante nvlist_free(zc_props); 28301195e687SMark J Musante if (newconfig) 28311195e687SMark J Musante nvlist_free(newconfig); 28321195e687SMark J Musante if (freelist) { 28331195e687SMark J Musante nvlist_free(*newroot); 28341195e687SMark J Musante *newroot = NULL; 28351195e687SMark J Musante } 28361195e687SMark J Musante 28371195e687SMark J Musante if (retval != 0) 28381195e687SMark J Musante return (retval); 28391195e687SMark J Musante 28401195e687SMark J Musante if (memory_err) 28411195e687SMark J Musante return (no_memory(hdl)); 28421195e687SMark J Musante 28431195e687SMark J Musante return (0); 28441195e687SMark J Musante } 28451195e687SMark J Musante 284699653d4eSeschrock /* 2847fa94a07fSbrendan * Remove the given device. Currently, this is supported only for hot spares 2848fa94a07fSbrendan * and level 2 cache devices. 284999653d4eSeschrock */ 285099653d4eSeschrock int 285199653d4eSeschrock zpool_vdev_remove(zpool_handle_t *zhp, const char *path) 285299653d4eSeschrock { 285399653d4eSeschrock zfs_cmd_t zc = { 0 }; 285499653d4eSeschrock char msg[1024]; 285599653d4eSeschrock nvlist_t *tgt; 285688ecc943SGeorge Wilson boolean_t avail_spare, l2cache, islog; 285799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 285888ecc943SGeorge Wilson uint64_t version; 285999653d4eSeschrock 286099653d4eSeschrock (void) snprintf(msg, sizeof (msg), 286199653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot remove %s"), path); 286299653d4eSeschrock 286399653d4eSeschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2864ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 286588ecc943SGeorge Wilson &islog)) == 0) 286699653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 286788ecc943SGeorge Wilson /* 286888ecc943SGeorge Wilson * XXX - this should just go away. 286988ecc943SGeorge Wilson */ 287088ecc943SGeorge Wilson if (!avail_spare && !l2cache && !islog) { 287199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 287288ecc943SGeorge Wilson "only inactive hot spares, cache, top-level, " 287388ecc943SGeorge Wilson "or log devices can be removed")); 287499653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 287599653d4eSeschrock } 287699653d4eSeschrock 287788ecc943SGeorge Wilson version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 287888ecc943SGeorge Wilson if (islog && version < SPA_VERSION_HOLES) { 287988ecc943SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 288088ecc943SGeorge Wilson "pool must be upgrade to support log removal")); 288188ecc943SGeorge Wilson return (zfs_error(hdl, EZFS_BADVERSION, msg)); 288288ecc943SGeorge Wilson } 288388ecc943SGeorge Wilson 288499653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 288599653d4eSeschrock 2886ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) 288799653d4eSeschrock return (0); 288899653d4eSeschrock 288999653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 2890ea8dc4b6Seschrock } 2891ea8dc4b6Seschrock 2892ea8dc4b6Seschrock /* 2893ea8dc4b6Seschrock * Clear the errors for the pool, or the particular device if specified. 2894ea8dc4b6Seschrock */ 2895ea8dc4b6Seschrock int 2896468c413aSTim Haley zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) 2897ea8dc4b6Seschrock { 2898ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 2899ea8dc4b6Seschrock char msg[1024]; 290099653d4eSeschrock nvlist_t *tgt; 2901468c413aSTim Haley zpool_rewind_policy_t policy; 2902fa94a07fSbrendan boolean_t avail_spare, l2cache; 290399653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2904468c413aSTim Haley nvlist_t *nvi = NULL; 29054b964adaSGeorge Wilson int error; 2906ea8dc4b6Seschrock 2907ea8dc4b6Seschrock if (path) 2908ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2909ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 2910e9dbad6fSeschrock path); 2911ea8dc4b6Seschrock else 2912ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2913ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 2914ea8dc4b6Seschrock zhp->zpool_name); 2915ea8dc4b6Seschrock 2916ea8dc4b6Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 291799653d4eSeschrock if (path) { 2918fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, 2919ee0eb9f2SEric Schrock &l2cache, NULL)) == 0) 292099653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2921ea8dc4b6Seschrock 2922fa94a07fSbrendan /* 2923fa94a07fSbrendan * Don't allow error clearing for hot spares. Do allow 2924fa94a07fSbrendan * error clearing for l2cache devices. 2925fa94a07fSbrendan */ 2926a43d325bSek if (avail_spare) 292799653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2928ea8dc4b6Seschrock 292999653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 293099653d4eSeschrock &zc.zc_guid) == 0); 2931fa9e4066Sahrens } 2932fa9e4066Sahrens 2933468c413aSTim Haley zpool_get_rewind_policy(rewindnvl, &policy); 2934468c413aSTim Haley zc.zc_cookie = policy.zrp_request; 2935468c413aSTim Haley 293657f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) 2937468c413aSTim Haley return (-1); 2938468c413aSTim Haley 2939cb04b873SMark J Musante if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) 2940468c413aSTim Haley return (-1); 2941468c413aSTim Haley 29424b964adaSGeorge Wilson while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && 29434b964adaSGeorge Wilson errno == ENOMEM) { 29444b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 29454b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 29464b964adaSGeorge Wilson return (-1); 29474b964adaSGeorge Wilson } 29484b964adaSGeorge Wilson } 29494b964adaSGeorge Wilson 29504b964adaSGeorge Wilson if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && 2951468c413aSTim Haley errno != EPERM && errno != EACCES)) { 2952468c413aSTim Haley if (policy.zrp_request & 2953468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 2954468c413aSTim Haley (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); 2955468c413aSTim Haley zpool_rewind_exclaim(hdl, zc.zc_name, 2956468c413aSTim Haley ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), 2957468c413aSTim Haley nvi); 2958468c413aSTim Haley nvlist_free(nvi); 2959468c413aSTim Haley } 2960468c413aSTim Haley zcmd_free_nvlists(&zc); 296199653d4eSeschrock return (0); 2962468c413aSTim Haley } 296399653d4eSeschrock 2964468c413aSTim Haley zcmd_free_nvlists(&zc); 296599653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 2966fa9e4066Sahrens } 2967fa9e4066Sahrens 29683d7072f8Seschrock /* 29693d7072f8Seschrock * Similar to zpool_clear(), but takes a GUID (used by fmd). 29703d7072f8Seschrock */ 29713d7072f8Seschrock int 29723d7072f8Seschrock zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) 29733d7072f8Seschrock { 29743d7072f8Seschrock zfs_cmd_t zc = { 0 }; 29753d7072f8Seschrock char msg[1024]; 29763d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 29773d7072f8Seschrock 29783d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 29793d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), 29803d7072f8Seschrock guid); 29813d7072f8Seschrock 29823d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 29833d7072f8Seschrock zc.zc_guid = guid; 298414f8ce41SVictor Latushkin zc.zc_cookie = ZPOOL_NO_REWIND; 29853d7072f8Seschrock 29863d7072f8Seschrock if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) 29873d7072f8Seschrock return (0); 29883d7072f8Seschrock 29893d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 29903d7072f8Seschrock } 29913d7072f8Seschrock 2992e9103aaeSGarrett D'Amore /* 2993e9103aaeSGarrett D'Amore * Change the GUID for a pool. 2994e9103aaeSGarrett D'Amore */ 2995e9103aaeSGarrett D'Amore int 2996e9103aaeSGarrett D'Amore zpool_reguid(zpool_handle_t *zhp) 2997e9103aaeSGarrett D'Amore { 2998e9103aaeSGarrett D'Amore char msg[1024]; 2999e9103aaeSGarrett D'Amore libzfs_handle_t *hdl = zhp->zpool_hdl; 3000e9103aaeSGarrett D'Amore zfs_cmd_t zc = { 0 }; 3001e9103aaeSGarrett D'Amore 3002e9103aaeSGarrett D'Amore (void) snprintf(msg, sizeof (msg), 3003e9103aaeSGarrett D'Amore dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); 3004e9103aaeSGarrett D'Amore 3005e9103aaeSGarrett D'Amore (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3006e9103aaeSGarrett D'Amore if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) 3007e9103aaeSGarrett D'Amore return (0); 3008e9103aaeSGarrett D'Amore 3009e9103aaeSGarrett D'Amore return (zpool_standard_error(hdl, errno, msg)); 3010e9103aaeSGarrett D'Amore } 3011e9103aaeSGarrett D'Amore 3012c67d9675Seschrock /* 3013c67d9675Seschrock * Convert from a devid string to a path. 3014c67d9675Seschrock */ 3015c67d9675Seschrock static char * 3016c67d9675Seschrock devid_to_path(char *devid_str) 3017c67d9675Seschrock { 3018c67d9675Seschrock ddi_devid_t devid; 3019c67d9675Seschrock char *minor; 3020c67d9675Seschrock char *path; 3021c67d9675Seschrock devid_nmlist_t *list = NULL; 3022c67d9675Seschrock int ret; 3023c67d9675Seschrock 3024c67d9675Seschrock if (devid_str_decode(devid_str, &devid, &minor) != 0) 3025c67d9675Seschrock return (NULL); 3026c67d9675Seschrock 3027c67d9675Seschrock ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); 3028c67d9675Seschrock 3029c67d9675Seschrock devid_str_free(minor); 3030c67d9675Seschrock devid_free(devid); 3031c67d9675Seschrock 3032c67d9675Seschrock if (ret != 0) 3033c67d9675Seschrock return (NULL); 3034c67d9675Seschrock 303599653d4eSeschrock if ((path = strdup(list[0].devname)) == NULL) 303699653d4eSeschrock return (NULL); 303799653d4eSeschrock 3038c67d9675Seschrock devid_free_nmlist(list); 3039c67d9675Seschrock 3040c67d9675Seschrock return (path); 3041c67d9675Seschrock } 3042c67d9675Seschrock 3043c67d9675Seschrock /* 3044c67d9675Seschrock * Convert from a path to a devid string. 3045c67d9675Seschrock */ 3046c67d9675Seschrock static char * 3047c67d9675Seschrock path_to_devid(const char *path) 3048c67d9675Seschrock { 3049c67d9675Seschrock int fd; 3050c67d9675Seschrock ddi_devid_t devid; 3051c67d9675Seschrock char *minor, *ret; 3052c67d9675Seschrock 3053c67d9675Seschrock if ((fd = open(path, O_RDONLY)) < 0) 3054c67d9675Seschrock return (NULL); 3055c67d9675Seschrock 3056c67d9675Seschrock minor = NULL; 3057c67d9675Seschrock ret = NULL; 3058c67d9675Seschrock if (devid_get(fd, &devid) == 0) { 3059c67d9675Seschrock if (devid_get_minor_name(fd, &minor) == 0) 3060c67d9675Seschrock ret = devid_str_encode(devid, minor); 3061c67d9675Seschrock if (minor != NULL) 3062c67d9675Seschrock devid_str_free(minor); 3063c67d9675Seschrock devid_free(devid); 3064c67d9675Seschrock } 3065c67d9675Seschrock (void) close(fd); 3066c67d9675Seschrock 3067c67d9675Seschrock return (ret); 3068c67d9675Seschrock } 3069c67d9675Seschrock 3070c67d9675Seschrock /* 3071c67d9675Seschrock * Issue the necessary ioctl() to update the stored path value for the vdev. We 3072c67d9675Seschrock * ignore any failure here, since a common case is for an unprivileged user to 3073c67d9675Seschrock * type 'zpool status', and we'll display the correct information anyway. 3074c67d9675Seschrock */ 3075c67d9675Seschrock static void 3076c67d9675Seschrock set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) 3077c67d9675Seschrock { 3078c67d9675Seschrock zfs_cmd_t zc = { 0 }; 3079c67d9675Seschrock 3080c67d9675Seschrock (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3081e9dbad6fSeschrock (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); 3082c67d9675Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3083ea8dc4b6Seschrock &zc.zc_guid) == 0); 3084c67d9675Seschrock 308599653d4eSeschrock (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); 3086c67d9675Seschrock } 3087c67d9675Seschrock 3088c67d9675Seschrock /* 3089c67d9675Seschrock * Given a vdev, return the name to display in iostat. If the vdev has a path, 3090c67d9675Seschrock * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. 3091c67d9675Seschrock * We also check if this is a whole disk, in which case we strip off the 3092c67d9675Seschrock * trailing 's0' slice name. 3093c67d9675Seschrock * 3094c67d9675Seschrock * This routine is also responsible for identifying when disks have been 3095c67d9675Seschrock * reconfigured in a new location. The kernel will have opened the device by 3096c67d9675Seschrock * devid, but the path will still refer to the old location. To catch this, we 3097c67d9675Seschrock * first do a path -> devid translation (which is fast for the common case). If 3098c67d9675Seschrock * the devid matches, we're done. If not, we do a reverse devid -> path 3099c67d9675Seschrock * translation and issue the appropriate ioctl() to update the path of the vdev. 3100c67d9675Seschrock * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any 3101c67d9675Seschrock * of these checks. 3102c67d9675Seschrock */ 3103c67d9675Seschrock char * 310488ecc943SGeorge Wilson zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, 310588ecc943SGeorge Wilson boolean_t verbose) 3106c67d9675Seschrock { 3107c67d9675Seschrock char *path, *devid; 3108ea8dc4b6Seschrock uint64_t value; 3109ea8dc4b6Seschrock char buf[64]; 31103d7072f8Seschrock vdev_stat_t *vs; 31113d7072f8Seschrock uint_t vsc; 3112c67d9675Seschrock 3113ea8dc4b6Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 3114ea8dc4b6Seschrock &value) == 0) { 3115ea8dc4b6Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3116ea8dc4b6Seschrock &value) == 0); 31175ad82045Snd (void) snprintf(buf, sizeof (buf), "%llu", 31185ad82045Snd (u_longlong_t)value); 3119ea8dc4b6Seschrock path = buf; 3120ea8dc4b6Seschrock } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 3121c67d9675Seschrock 31223d7072f8Seschrock /* 31233d7072f8Seschrock * If the device is dead (faulted, offline, etc) then don't 31243d7072f8Seschrock * bother opening it. Otherwise we may be forcing the user to 31253d7072f8Seschrock * open a misbehaving device, which can have undesirable 31263d7072f8Seschrock * effects. 31273d7072f8Seschrock */ 31283f9d6ad7SLin Ling if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 31293d7072f8Seschrock (uint64_t **)&vs, &vsc) != 0 || 31303d7072f8Seschrock vs->vs_state >= VDEV_STATE_DEGRADED) && 31313d7072f8Seschrock zhp != NULL && 3132c67d9675Seschrock nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { 3133c67d9675Seschrock /* 3134c67d9675Seschrock * Determine if the current path is correct. 3135c67d9675Seschrock */ 3136c67d9675Seschrock char *newdevid = path_to_devid(path); 3137c67d9675Seschrock 3138c67d9675Seschrock if (newdevid == NULL || 3139c67d9675Seschrock strcmp(devid, newdevid) != 0) { 3140c67d9675Seschrock char *newpath; 3141c67d9675Seschrock 3142c67d9675Seschrock if ((newpath = devid_to_path(devid)) != NULL) { 3143c67d9675Seschrock /* 3144c67d9675Seschrock * Update the path appropriately. 3145c67d9675Seschrock */ 3146c67d9675Seschrock set_path(zhp, nv, newpath); 314799653d4eSeschrock if (nvlist_add_string(nv, 314899653d4eSeschrock ZPOOL_CONFIG_PATH, newpath) == 0) 314999653d4eSeschrock verify(nvlist_lookup_string(nv, 315099653d4eSeschrock ZPOOL_CONFIG_PATH, 315199653d4eSeschrock &path) == 0); 3152c67d9675Seschrock free(newpath); 3153c67d9675Seschrock } 3154c67d9675Seschrock } 3155c67d9675Seschrock 315699653d4eSeschrock if (newdevid) 315799653d4eSeschrock devid_str_free(newdevid); 3158c67d9675Seschrock } 3159c67d9675Seschrock 3160c67d9675Seschrock if (strncmp(path, "/dev/dsk/", 9) == 0) 3161c67d9675Seschrock path += 9; 3162c67d9675Seschrock 3163c67d9675Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 3164ea8dc4b6Seschrock &value) == 0 && value) { 31653fdda499SJohn Harres int pathlen = strlen(path); 316699653d4eSeschrock char *tmp = zfs_strdup(hdl, path); 31673fdda499SJohn Harres 31683fdda499SJohn Harres /* 31693fdda499SJohn Harres * If it starts with c#, and ends with "s0", chop 31703fdda499SJohn Harres * the "s0" off, or if it ends with "s0/old", remove 31713fdda499SJohn Harres * the "s0" from the middle. 31723fdda499SJohn Harres */ 31733fdda499SJohn Harres if (CTD_CHECK(tmp)) { 31743fdda499SJohn Harres if (strcmp(&tmp[pathlen - 2], "s0") == 0) { 31753fdda499SJohn Harres tmp[pathlen - 2] = '\0'; 31763fdda499SJohn Harres } else if (pathlen > 6 && 31773fdda499SJohn Harres strcmp(&tmp[pathlen - 6], "s0/old") == 0) { 31783fdda499SJohn Harres (void) strcpy(&tmp[pathlen - 6], 31793fdda499SJohn Harres "/old"); 31803fdda499SJohn Harres } 31813fdda499SJohn Harres } 3182c67d9675Seschrock return (tmp); 3183c67d9675Seschrock } 3184c67d9675Seschrock } else { 3185c67d9675Seschrock verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); 318699653d4eSeschrock 318799653d4eSeschrock /* 318899653d4eSeschrock * If it's a raidz device, we need to stick in the parity level. 318999653d4eSeschrock */ 319099653d4eSeschrock if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { 319199653d4eSeschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, 319299653d4eSeschrock &value) == 0); 319399653d4eSeschrock (void) snprintf(buf, sizeof (buf), "%s%llu", path, 31945ad82045Snd (u_longlong_t)value); 319599653d4eSeschrock path = buf; 319699653d4eSeschrock } 319788ecc943SGeorge Wilson 319888ecc943SGeorge Wilson /* 319988ecc943SGeorge Wilson * We identify each top-level vdev by using a <type-id> 320088ecc943SGeorge Wilson * naming convention. 320188ecc943SGeorge Wilson */ 320288ecc943SGeorge Wilson if (verbose) { 320388ecc943SGeorge Wilson uint64_t id; 320488ecc943SGeorge Wilson 320588ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 320688ecc943SGeorge Wilson &id) == 0); 320788ecc943SGeorge Wilson (void) snprintf(buf, sizeof (buf), "%s-%llu", path, 320888ecc943SGeorge Wilson (u_longlong_t)id); 320988ecc943SGeorge Wilson path = buf; 321088ecc943SGeorge Wilson } 3211c67d9675Seschrock } 3212c67d9675Seschrock 321399653d4eSeschrock return (zfs_strdup(hdl, path)); 3214c67d9675Seschrock } 3215ea8dc4b6Seschrock 3216ea8dc4b6Seschrock static int 3217ea8dc4b6Seschrock zbookmark_compare(const void *a, const void *b) 3218ea8dc4b6Seschrock { 3219ea8dc4b6Seschrock return (memcmp(a, b, sizeof (zbookmark_t))); 3220ea8dc4b6Seschrock } 3221ea8dc4b6Seschrock 3222ea8dc4b6Seschrock /* 3223ea8dc4b6Seschrock * Retrieve the persistent error log, uniquify the members, and return to the 3224ea8dc4b6Seschrock * caller. 3225ea8dc4b6Seschrock */ 3226ea8dc4b6Seschrock int 322755434c77Sek zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) 3228ea8dc4b6Seschrock { 3229ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3230ea8dc4b6Seschrock uint64_t count; 3231e9dbad6fSeschrock zbookmark_t *zb = NULL; 323255434c77Sek int i; 3233ea8dc4b6Seschrock 3234ea8dc4b6Seschrock /* 3235ea8dc4b6Seschrock * Retrieve the raw error list from the kernel. If the number of errors 3236ea8dc4b6Seschrock * has increased, allocate more space and continue until we get the 3237ea8dc4b6Seschrock * entire list. 3238ea8dc4b6Seschrock */ 3239ea8dc4b6Seschrock verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, 3240ea8dc4b6Seschrock &count) == 0); 324175519f38Sek if (count == 0) 324275519f38Sek return (0); 3243e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, 32445ad82045Snd count * sizeof (zbookmark_t))) == (uintptr_t)NULL) 324599653d4eSeschrock return (-1); 3246e9dbad6fSeschrock zc.zc_nvlist_dst_size = count; 3247ea8dc4b6Seschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3248ea8dc4b6Seschrock for (;;) { 324999653d4eSeschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, 325099653d4eSeschrock &zc) != 0) { 3251e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 3252ea8dc4b6Seschrock if (errno == ENOMEM) { 3253bf561db0Svb count = zc.zc_nvlist_dst_size; 3254e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t) 3255bf561db0Svb zfs_alloc(zhp->zpool_hdl, count * 3256bf561db0Svb sizeof (zbookmark_t))) == (uintptr_t)NULL) 325799653d4eSeschrock return (-1); 3258ea8dc4b6Seschrock } else { 3259ea8dc4b6Seschrock return (-1); 3260ea8dc4b6Seschrock } 3261ea8dc4b6Seschrock } else { 3262ea8dc4b6Seschrock break; 3263ea8dc4b6Seschrock } 3264ea8dc4b6Seschrock } 3265ea8dc4b6Seschrock 3266ea8dc4b6Seschrock /* 3267ea8dc4b6Seschrock * Sort the resulting bookmarks. This is a little confusing due to the 3268ea8dc4b6Seschrock * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last 3269e9dbad6fSeschrock * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks 3270ea8dc4b6Seschrock * _not_ copied as part of the process. So we point the start of our 3271ea8dc4b6Seschrock * array appropriate and decrement the total number of elements. 3272ea8dc4b6Seschrock */ 3273e9dbad6fSeschrock zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + 3274e9dbad6fSeschrock zc.zc_nvlist_dst_size; 3275e9dbad6fSeschrock count -= zc.zc_nvlist_dst_size; 3276ea8dc4b6Seschrock 3277ea8dc4b6Seschrock qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); 3278ea8dc4b6Seschrock 327955434c77Sek verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); 3280ea8dc4b6Seschrock 3281ea8dc4b6Seschrock /* 328255434c77Sek * Fill in the nverrlistp with nvlist's of dataset and object numbers. 3283ea8dc4b6Seschrock */ 3284ea8dc4b6Seschrock for (i = 0; i < count; i++) { 3285ea8dc4b6Seschrock nvlist_t *nv; 3286ea8dc4b6Seschrock 3287c0a81264Sek /* ignoring zb_blkid and zb_level for now */ 3288c0a81264Sek if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && 3289c0a81264Sek zb[i-1].zb_object == zb[i].zb_object) 3290ea8dc4b6Seschrock continue; 3291ea8dc4b6Seschrock 329255434c77Sek if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) 329355434c77Sek goto nomem; 329455434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, 329555434c77Sek zb[i].zb_objset) != 0) { 329655434c77Sek nvlist_free(nv); 329799653d4eSeschrock goto nomem; 3298ea8dc4b6Seschrock } 329955434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, 330055434c77Sek zb[i].zb_object) != 0) { 330155434c77Sek nvlist_free(nv); 330255434c77Sek goto nomem; 330355434c77Sek } 330455434c77Sek if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { 330555434c77Sek nvlist_free(nv); 330655434c77Sek goto nomem; 330755434c77Sek } 330855434c77Sek nvlist_free(nv); 3309ea8dc4b6Seschrock } 3310ea8dc4b6Seschrock 33113ccfa83cSahrens free((void *)(uintptr_t)zc.zc_nvlist_dst); 3312ea8dc4b6Seschrock return (0); 331399653d4eSeschrock 331499653d4eSeschrock nomem: 3315e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 331699653d4eSeschrock return (no_memory(zhp->zpool_hdl)); 3317ea8dc4b6Seschrock } 3318eaca9bbdSeschrock 3319eaca9bbdSeschrock /* 3320eaca9bbdSeschrock * Upgrade a ZFS pool to the latest on-disk version. 3321eaca9bbdSeschrock */ 3322eaca9bbdSeschrock int 3323990b4856Slling zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) 3324eaca9bbdSeschrock { 3325eaca9bbdSeschrock zfs_cmd_t zc = { 0 }; 332699653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3327eaca9bbdSeschrock 3328eaca9bbdSeschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3329990b4856Slling zc.zc_cookie = new_version; 3330990b4856Slling 3331ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) 3332ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 333399653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), 333499653d4eSeschrock zhp->zpool_name)); 3335eaca9bbdSeschrock return (0); 3336eaca9bbdSeschrock } 333706eeb2adSek 333806eeb2adSek void 33392a6b87f0Sek zpool_set_history_str(const char *subcommand, int argc, char **argv, 33402a6b87f0Sek char *history_str) 334106eeb2adSek { 334206eeb2adSek int i; 334306eeb2adSek 33442a6b87f0Sek (void) strlcpy(history_str, subcommand, HIS_MAX_RECORD_LEN); 33452a6b87f0Sek for (i = 1; i < argc; i++) { 33462a6b87f0Sek if (strlen(history_str) + 1 + strlen(argv[i]) > 33472a6b87f0Sek HIS_MAX_RECORD_LEN) 33482a6b87f0Sek break; 33492a6b87f0Sek (void) strlcat(history_str, " ", HIS_MAX_RECORD_LEN); 33502a6b87f0Sek (void) strlcat(history_str, argv[i], HIS_MAX_RECORD_LEN); 33512a6b87f0Sek } 33522a6b87f0Sek } 33532a6b87f0Sek 33542a6b87f0Sek /* 33552a6b87f0Sek * Stage command history for logging. 33562a6b87f0Sek */ 33572a6b87f0Sek int 33582a6b87f0Sek zpool_stage_history(libzfs_handle_t *hdl, const char *history_str) 33592a6b87f0Sek { 33602a6b87f0Sek if (history_str == NULL) 33612a6b87f0Sek return (EINVAL); 33622a6b87f0Sek 33632a6b87f0Sek if (strlen(history_str) > HIS_MAX_RECORD_LEN) 33642a6b87f0Sek return (EINVAL); 33652a6b87f0Sek 3366228975ccSek if (hdl->libzfs_log_str != NULL) 3367ecd6cf80Smarks free(hdl->libzfs_log_str); 336806eeb2adSek 33692a6b87f0Sek if ((hdl->libzfs_log_str = strdup(history_str)) == NULL) 33702a6b87f0Sek return (no_memory(hdl)); 337106eeb2adSek 33722a6b87f0Sek return (0); 337306eeb2adSek } 337406eeb2adSek 337506eeb2adSek /* 337606eeb2adSek * Perform ioctl to get some command history of a pool. 337706eeb2adSek * 337806eeb2adSek * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the 337906eeb2adSek * logical offset of the history buffer to start reading from. 338006eeb2adSek * 338106eeb2adSek * Upon return, 'off' is the next logical offset to read from and 338206eeb2adSek * 'len' is the actual amount of bytes read into 'buf'. 338306eeb2adSek */ 338406eeb2adSek static int 338506eeb2adSek get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) 338606eeb2adSek { 338706eeb2adSek zfs_cmd_t zc = { 0 }; 338806eeb2adSek libzfs_handle_t *hdl = zhp->zpool_hdl; 338906eeb2adSek 339006eeb2adSek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 339106eeb2adSek 339206eeb2adSek zc.zc_history = (uint64_t)(uintptr_t)buf; 339306eeb2adSek zc.zc_history_len = *len; 339406eeb2adSek zc.zc_history_offset = *off; 339506eeb2adSek 339606eeb2adSek if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { 339706eeb2adSek switch (errno) { 339806eeb2adSek case EPERM: 3399ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_PERM, 3400ece3d9b3Slling dgettext(TEXT_DOMAIN, 340106eeb2adSek "cannot show history for pool '%s'"), 340206eeb2adSek zhp->zpool_name)); 340306eeb2adSek case ENOENT: 3404ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_NOHISTORY, 340506eeb2adSek dgettext(TEXT_DOMAIN, "cannot get history for pool " 340606eeb2adSek "'%s'"), zhp->zpool_name)); 3407d7306b64Sek case ENOTSUP: 3408d7306b64Sek return (zfs_error_fmt(hdl, EZFS_BADVERSION, 3409d7306b64Sek dgettext(TEXT_DOMAIN, "cannot get history for pool " 3410d7306b64Sek "'%s', pool must be upgraded"), zhp->zpool_name)); 341106eeb2adSek default: 3412ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 341306eeb2adSek dgettext(TEXT_DOMAIN, 341406eeb2adSek "cannot get history for '%s'"), zhp->zpool_name)); 341506eeb2adSek } 341606eeb2adSek } 341706eeb2adSek 341806eeb2adSek *len = zc.zc_history_len; 341906eeb2adSek *off = zc.zc_history_offset; 342006eeb2adSek 342106eeb2adSek return (0); 342206eeb2adSek } 342306eeb2adSek 342406eeb2adSek /* 342506eeb2adSek * Process the buffer of nvlists, unpacking and storing each nvlist record 342606eeb2adSek * into 'records'. 'leftover' is set to the number of bytes that weren't 342706eeb2adSek * processed as there wasn't a complete record. 342806eeb2adSek */ 34298f18d1faSGeorge Wilson int 343006eeb2adSek zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, 343106eeb2adSek nvlist_t ***records, uint_t *numrecords) 343206eeb2adSek { 343306eeb2adSek uint64_t reclen; 343406eeb2adSek nvlist_t *nv; 343506eeb2adSek int i; 343606eeb2adSek 343706eeb2adSek while (bytes_read > sizeof (reclen)) { 343806eeb2adSek 343906eeb2adSek /* get length of packed record (stored as little endian) */ 344006eeb2adSek for (i = 0, reclen = 0; i < sizeof (reclen); i++) 344106eeb2adSek reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); 344206eeb2adSek 344306eeb2adSek if (bytes_read < sizeof (reclen) + reclen) 344406eeb2adSek break; 344506eeb2adSek 344606eeb2adSek /* unpack record */ 344706eeb2adSek if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) 344806eeb2adSek return (ENOMEM); 344906eeb2adSek bytes_read -= sizeof (reclen) + reclen; 345006eeb2adSek buf += sizeof (reclen) + reclen; 345106eeb2adSek 345206eeb2adSek /* add record to nvlist array */ 345306eeb2adSek (*numrecords)++; 345406eeb2adSek if (ISP2(*numrecords + 1)) { 345506eeb2adSek *records = realloc(*records, 345606eeb2adSek *numrecords * 2 * sizeof (nvlist_t *)); 345706eeb2adSek } 345806eeb2adSek (*records)[*numrecords - 1] = nv; 345906eeb2adSek } 346006eeb2adSek 346106eeb2adSek *leftover = bytes_read; 346206eeb2adSek return (0); 346306eeb2adSek } 346406eeb2adSek 346506eeb2adSek #define HIS_BUF_LEN (128*1024) 346606eeb2adSek 346706eeb2adSek /* 346806eeb2adSek * Retrieve the command history of a pool. 346906eeb2adSek */ 347006eeb2adSek int 347106eeb2adSek zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) 347206eeb2adSek { 347306eeb2adSek char buf[HIS_BUF_LEN]; 347406eeb2adSek uint64_t off = 0; 347506eeb2adSek nvlist_t **records = NULL; 347606eeb2adSek uint_t numrecords = 0; 347706eeb2adSek int err, i; 347806eeb2adSek 347906eeb2adSek do { 348006eeb2adSek uint64_t bytes_read = sizeof (buf); 348106eeb2adSek uint64_t leftover; 348206eeb2adSek 348306eeb2adSek if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) 348406eeb2adSek break; 348506eeb2adSek 348606eeb2adSek /* if nothing else was read in, we're at EOF, just return */ 348706eeb2adSek if (!bytes_read) 348806eeb2adSek break; 348906eeb2adSek 349006eeb2adSek if ((err = zpool_history_unpack(buf, bytes_read, 349106eeb2adSek &leftover, &records, &numrecords)) != 0) 349206eeb2adSek break; 349306eeb2adSek off -= leftover; 349406eeb2adSek 349506eeb2adSek /* CONSTCOND */ 349606eeb2adSek } while (1); 349706eeb2adSek 349806eeb2adSek if (!err) { 349906eeb2adSek verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); 350006eeb2adSek verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, 350106eeb2adSek records, numrecords) == 0); 350206eeb2adSek } 350306eeb2adSek for (i = 0; i < numrecords; i++) 350406eeb2adSek nvlist_free(records[i]); 350506eeb2adSek free(records); 350606eeb2adSek 350706eeb2adSek return (err); 350806eeb2adSek } 350955434c77Sek 351055434c77Sek void 351155434c77Sek zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, 351255434c77Sek char *pathname, size_t len) 351355434c77Sek { 351455434c77Sek zfs_cmd_t zc = { 0 }; 351555434c77Sek boolean_t mounted = B_FALSE; 351655434c77Sek char *mntpnt = NULL; 351755434c77Sek char dsname[MAXNAMELEN]; 351855434c77Sek 351955434c77Sek if (dsobj == 0) { 352055434c77Sek /* special case for the MOS */ 352155434c77Sek (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj); 352255434c77Sek return; 352355434c77Sek } 352455434c77Sek 352555434c77Sek /* get the dataset's name */ 352655434c77Sek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 352755434c77Sek zc.zc_obj = dsobj; 352855434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, 352955434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { 353055434c77Sek /* just write out a path of two object numbers */ 353155434c77Sek (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", 353255434c77Sek dsobj, obj); 353355434c77Sek return; 353455434c77Sek } 353555434c77Sek (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); 353655434c77Sek 353755434c77Sek /* find out if the dataset is mounted */ 353855434c77Sek mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); 353955434c77Sek 354055434c77Sek /* get the corrupted object's path */ 354155434c77Sek (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); 354255434c77Sek zc.zc_obj = obj; 354355434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, 354455434c77Sek &zc) == 0) { 354555434c77Sek if (mounted) { 354655434c77Sek (void) snprintf(pathname, len, "%s%s", mntpnt, 354755434c77Sek zc.zc_value); 354855434c77Sek } else { 354955434c77Sek (void) snprintf(pathname, len, "%s:%s", 355055434c77Sek dsname, zc.zc_value); 355155434c77Sek } 355255434c77Sek } else { 355355434c77Sek (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj); 355455434c77Sek } 355555434c77Sek free(mntpnt); 355655434c77Sek } 3557b1b8ab34Slling 355815e6edf1Sgw /* 355915e6edf1Sgw * Read the EFI label from the config, if a label does not exist then 356015e6edf1Sgw * pass back the error to the caller. If the caller has passed a non-NULL 356115e6edf1Sgw * diskaddr argument then we set it to the starting address of the EFI 356215e6edf1Sgw * partition. 356315e6edf1Sgw */ 356415e6edf1Sgw static int 356515e6edf1Sgw read_efi_label(nvlist_t *config, diskaddr_t *sb) 356615e6edf1Sgw { 356715e6edf1Sgw char *path; 356815e6edf1Sgw int fd; 356915e6edf1Sgw char diskname[MAXPATHLEN]; 357015e6edf1Sgw int err = -1; 357115e6edf1Sgw 357215e6edf1Sgw if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) 357315e6edf1Sgw return (err); 357415e6edf1Sgw 357515e6edf1Sgw (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT, 357615e6edf1Sgw strrchr(path, '/')); 357715e6edf1Sgw if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { 357815e6edf1Sgw struct dk_gpt *vtoc; 357915e6edf1Sgw 358015e6edf1Sgw if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { 358115e6edf1Sgw if (sb != NULL) 358215e6edf1Sgw *sb = vtoc->efi_parts[0].p_start; 358315e6edf1Sgw efi_free(vtoc); 358415e6edf1Sgw } 358515e6edf1Sgw (void) close(fd); 358615e6edf1Sgw } 358715e6edf1Sgw return (err); 358815e6edf1Sgw } 358915e6edf1Sgw 35908488aeb5Staylor /* 35918488aeb5Staylor * determine where a partition starts on a disk in the current 35928488aeb5Staylor * configuration 35938488aeb5Staylor */ 35948488aeb5Staylor static diskaddr_t 35958488aeb5Staylor find_start_block(nvlist_t *config) 35968488aeb5Staylor { 35978488aeb5Staylor nvlist_t **child; 35988488aeb5Staylor uint_t c, children; 35998488aeb5Staylor diskaddr_t sb = MAXOFFSET_T; 36008488aeb5Staylor uint64_t wholedisk; 36018488aeb5Staylor 36028488aeb5Staylor if (nvlist_lookup_nvlist_array(config, 36038488aeb5Staylor ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { 36048488aeb5Staylor if (nvlist_lookup_uint64(config, 36058488aeb5Staylor ZPOOL_CONFIG_WHOLE_DISK, 36068488aeb5Staylor &wholedisk) != 0 || !wholedisk) { 36078488aeb5Staylor return (MAXOFFSET_T); 36088488aeb5Staylor } 360915e6edf1Sgw if (read_efi_label(config, &sb) < 0) 361015e6edf1Sgw sb = MAXOFFSET_T; 36118488aeb5Staylor return (sb); 36128488aeb5Staylor } 36138488aeb5Staylor 36148488aeb5Staylor for (c = 0; c < children; c++) { 36158488aeb5Staylor sb = find_start_block(child[c]); 36168488aeb5Staylor if (sb != MAXOFFSET_T) { 36178488aeb5Staylor return (sb); 36188488aeb5Staylor } 36198488aeb5Staylor } 36208488aeb5Staylor return (MAXOFFSET_T); 36218488aeb5Staylor } 36228488aeb5Staylor 36238488aeb5Staylor /* 36248488aeb5Staylor * Label an individual disk. The name provided is the short name, 36258488aeb5Staylor * stripped of any leading /dev path. 36268488aeb5Staylor */ 36278488aeb5Staylor int 36288488aeb5Staylor zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) 36298488aeb5Staylor { 36308488aeb5Staylor char path[MAXPATHLEN]; 36318488aeb5Staylor struct dk_gpt *vtoc; 36328488aeb5Staylor int fd; 36338488aeb5Staylor size_t resv = EFI_MIN_RESV_SIZE; 36348488aeb5Staylor uint64_t slice_size; 36358488aeb5Staylor diskaddr_t start_block; 36368488aeb5Staylor char errbuf[1024]; 36378488aeb5Staylor 3638c6ef114fSmmusante /* prepare an error message just in case */ 3639c6ef114fSmmusante (void) snprintf(errbuf, sizeof (errbuf), 3640c6ef114fSmmusante dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); 3641c6ef114fSmmusante 36428488aeb5Staylor if (zhp) { 36438488aeb5Staylor nvlist_t *nvroot; 36448488aeb5Staylor 3645b5b76fecSGeorge Wilson if (pool_is_bootable(zhp)) { 3646b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3647b5b76fecSGeorge Wilson "EFI labeled devices are not supported on root " 3648b5b76fecSGeorge Wilson "pools.")); 3649b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); 3650b5b76fecSGeorge Wilson } 3651b5b76fecSGeorge Wilson 36528488aeb5Staylor verify(nvlist_lookup_nvlist(zhp->zpool_config, 36538488aeb5Staylor ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 36548488aeb5Staylor 36558488aeb5Staylor if (zhp->zpool_start_block == 0) 36568488aeb5Staylor start_block = find_start_block(nvroot); 36578488aeb5Staylor else 36588488aeb5Staylor start_block = zhp->zpool_start_block; 36598488aeb5Staylor zhp->zpool_start_block = start_block; 36608488aeb5Staylor } else { 36618488aeb5Staylor /* new pool */ 36628488aeb5Staylor start_block = NEW_START_BLOCK; 36638488aeb5Staylor } 36648488aeb5Staylor 36658488aeb5Staylor (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, 36668488aeb5Staylor BACKUP_SLICE); 36678488aeb5Staylor 36688488aeb5Staylor if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 36698488aeb5Staylor /* 36708488aeb5Staylor * This shouldn't happen. We've long since verified that this 36718488aeb5Staylor * is a valid device. 36728488aeb5Staylor */ 3673c6ef114fSmmusante zfs_error_aux(hdl, 3674c6ef114fSmmusante dgettext(TEXT_DOMAIN, "unable to open device")); 36758488aeb5Staylor return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 36768488aeb5Staylor } 36778488aeb5Staylor 36788488aeb5Staylor if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { 36798488aeb5Staylor /* 36808488aeb5Staylor * The only way this can fail is if we run out of memory, or we 36818488aeb5Staylor * were unable to read the disk's capacity 36828488aeb5Staylor */ 36838488aeb5Staylor if (errno == ENOMEM) 36848488aeb5Staylor (void) no_memory(hdl); 36858488aeb5Staylor 36868488aeb5Staylor (void) close(fd); 3687c6ef114fSmmusante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3688c6ef114fSmmusante "unable to read disk capacity"), name); 36898488aeb5Staylor 36908488aeb5Staylor return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 36918488aeb5Staylor } 36928488aeb5Staylor 36938488aeb5Staylor slice_size = vtoc->efi_last_u_lba + 1; 36948488aeb5Staylor slice_size -= EFI_MIN_RESV_SIZE; 36958488aeb5Staylor if (start_block == MAXOFFSET_T) 36968488aeb5Staylor start_block = NEW_START_BLOCK; 36978488aeb5Staylor slice_size -= start_block; 36988488aeb5Staylor 36998488aeb5Staylor vtoc->efi_parts[0].p_start = start_block; 37008488aeb5Staylor vtoc->efi_parts[0].p_size = slice_size; 37018488aeb5Staylor 37028488aeb5Staylor /* 37038488aeb5Staylor * Why we use V_USR: V_BACKUP confuses users, and is considered 37048488aeb5Staylor * disposable by some EFI utilities (since EFI doesn't have a backup 37058488aeb5Staylor * slice). V_UNASSIGNED is supposed to be used only for zero size 37068488aeb5Staylor * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, 37078488aeb5Staylor * etc. were all pretty specific. V_USR is as close to reality as we 37088488aeb5Staylor * can get, in the absence of V_OTHER. 37098488aeb5Staylor */ 37108488aeb5Staylor vtoc->efi_parts[0].p_tag = V_USR; 37118488aeb5Staylor (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); 37128488aeb5Staylor 37138488aeb5Staylor vtoc->efi_parts[8].p_start = slice_size + start_block; 37148488aeb5Staylor vtoc->efi_parts[8].p_size = resv; 37158488aeb5Staylor vtoc->efi_parts[8].p_tag = V_RESERVED; 37168488aeb5Staylor 37178488aeb5Staylor if (efi_write(fd, vtoc) != 0) { 37188488aeb5Staylor /* 37198488aeb5Staylor * Some block drivers (like pcata) may not support EFI 37208488aeb5Staylor * GPT labels. Print out a helpful error message dir- 37218488aeb5Staylor * ecting the user to manually label the disk and give 37228488aeb5Staylor * a specific slice. 37238488aeb5Staylor */ 37248488aeb5Staylor (void) close(fd); 37258488aeb5Staylor efi_free(vtoc); 37268488aeb5Staylor 37278488aeb5Staylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3728c6ef114fSmmusante "try using fdisk(1M) and then provide a specific slice")); 37298488aeb5Staylor return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); 37308488aeb5Staylor } 37318488aeb5Staylor 37328488aeb5Staylor (void) close(fd); 37338488aeb5Staylor efi_free(vtoc); 37348488aeb5Staylor return (0); 37358488aeb5Staylor } 3736e7cbe64fSgw 3737e7cbe64fSgw static boolean_t 3738e7cbe64fSgw supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) 3739e7cbe64fSgw { 3740e7cbe64fSgw char *type; 3741e7cbe64fSgw nvlist_t **child; 3742e7cbe64fSgw uint_t children, c; 3743e7cbe64fSgw 3744e7cbe64fSgw verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); 3745e7cbe64fSgw if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 || 3746e7cbe64fSgw strcmp(type, VDEV_TYPE_FILE) == 0 || 3747e7cbe64fSgw strcmp(type, VDEV_TYPE_LOG) == 0 || 374888ecc943SGeorge Wilson strcmp(type, VDEV_TYPE_HOLE) == 0 || 3749e7cbe64fSgw strcmp(type, VDEV_TYPE_MISSING) == 0) { 3750e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3751e7cbe64fSgw "vdev type '%s' is not supported"), type); 3752e7cbe64fSgw (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); 3753e7cbe64fSgw return (B_FALSE); 3754e7cbe64fSgw } 3755e7cbe64fSgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 3756e7cbe64fSgw &child, &children) == 0) { 3757e7cbe64fSgw for (c = 0; c < children; c++) { 3758e7cbe64fSgw if (!supported_dump_vdev_type(hdl, child[c], errbuf)) 3759e7cbe64fSgw return (B_FALSE); 3760e7cbe64fSgw } 3761e7cbe64fSgw } 3762e7cbe64fSgw return (B_TRUE); 3763e7cbe64fSgw } 3764e7cbe64fSgw 3765e7cbe64fSgw /* 3766e7cbe64fSgw * check if this zvol is allowable for use as a dump device; zero if 3767e7cbe64fSgw * it is, > 0 if it isn't, < 0 if it isn't a zvol 3768e7cbe64fSgw */ 3769e7cbe64fSgw int 3770e7cbe64fSgw zvol_check_dump_config(char *arg) 3771e7cbe64fSgw { 3772e7cbe64fSgw zpool_handle_t *zhp = NULL; 3773e7cbe64fSgw nvlist_t *config, *nvroot; 3774e7cbe64fSgw char *p, *volname; 3775e7cbe64fSgw nvlist_t **top; 3776e7cbe64fSgw uint_t toplevels; 3777e7cbe64fSgw libzfs_handle_t *hdl; 3778e7cbe64fSgw char errbuf[1024]; 3779e7cbe64fSgw char poolname[ZPOOL_MAXNAMELEN]; 3780e7cbe64fSgw int pathlen = strlen(ZVOL_FULL_DEV_DIR); 3781e7cbe64fSgw int ret = 1; 3782e7cbe64fSgw 3783e7cbe64fSgw if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { 3784e7cbe64fSgw return (-1); 3785e7cbe64fSgw } 3786e7cbe64fSgw 3787e7cbe64fSgw (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 3788e7cbe64fSgw "dump is not supported on device '%s'"), arg); 3789e7cbe64fSgw 3790e7cbe64fSgw if ((hdl = libzfs_init()) == NULL) 3791e7cbe64fSgw return (1); 3792e7cbe64fSgw libzfs_print_on_error(hdl, B_TRUE); 3793e7cbe64fSgw 3794e7cbe64fSgw volname = arg + pathlen; 3795e7cbe64fSgw 3796e7cbe64fSgw /* check the configuration of the pool */ 3797e7cbe64fSgw if ((p = strchr(volname, '/')) == NULL) { 3798e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3799e7cbe64fSgw "malformed dataset name")); 3800e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 3801e7cbe64fSgw return (1); 3802e7cbe64fSgw } else if (p - volname >= ZFS_MAXNAMELEN) { 3803e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3804e7cbe64fSgw "dataset name is too long")); 3805e7cbe64fSgw (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); 3806e7cbe64fSgw return (1); 3807e7cbe64fSgw } else { 3808e7cbe64fSgw (void) strncpy(poolname, volname, p - volname); 3809e7cbe64fSgw poolname[p - volname] = '\0'; 3810e7cbe64fSgw } 3811e7cbe64fSgw 3812e7cbe64fSgw if ((zhp = zpool_open(hdl, poolname)) == NULL) { 3813e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3814e7cbe64fSgw "could not open pool '%s'"), poolname); 3815e7cbe64fSgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 3816e7cbe64fSgw goto out; 3817e7cbe64fSgw } 3818e7cbe64fSgw config = zpool_get_config(zhp, NULL); 3819e7cbe64fSgw if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3820e7cbe64fSgw &nvroot) != 0) { 3821e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3822e7cbe64fSgw "could not obtain vdev configuration for '%s'"), poolname); 3823e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); 3824e7cbe64fSgw goto out; 3825e7cbe64fSgw } 3826e7cbe64fSgw 3827e7cbe64fSgw verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 3828e7cbe64fSgw &top, &toplevels) == 0); 3829e7cbe64fSgw if (toplevels != 1) { 3830e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3831e7cbe64fSgw "'%s' has multiple top level vdevs"), poolname); 3832e7cbe64fSgw (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf); 3833e7cbe64fSgw goto out; 3834e7cbe64fSgw } 3835e7cbe64fSgw 3836e7cbe64fSgw if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { 3837e7cbe64fSgw goto out; 3838e7cbe64fSgw } 3839e7cbe64fSgw ret = 0; 3840e7cbe64fSgw 3841e7cbe64fSgw out: 3842e7cbe64fSgw if (zhp) 3843e7cbe64fSgw zpool_close(zhp); 3844e7cbe64fSgw libzfs_fini(hdl); 3845e7cbe64fSgw return (ret); 3846e7cbe64fSgw } 3847