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. 254263d13fSGeorge Wilson * Copyright (c) 2012 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> 37*4445fffbSMatthew Ahrens #include <libgen.h> 388488aeb5Staylor #include <sys/efi_partition.h> 398488aeb5Staylor #include <sys/vtoc.h> 40fa9e4066Sahrens #include <sys/zfs_ioctl.h> 41573ca77eSGeorge Wilson #include <dlfcn.h> 42fa9e4066Sahrens 43fa9e4066Sahrens #include "zfs_namecheck.h" 44b1b8ab34Slling #include "zfs_prop.h" 45fa9e4066Sahrens #include "libzfs_impl.h" 46468c413aSTim Haley #include "zfs_comutil.h" 47ad135b5dSChristopher Siden #include "zfeature_common.h" 48fa9e4066Sahrens 4915e6edf1Sgw static int read_efi_label(nvlist_t *config, diskaddr_t *sb); 50990b4856Slling 51573ca77eSGeorge Wilson #define DISK_ROOT "/dev/dsk" 52573ca77eSGeorge Wilson #define RDISK_ROOT "/dev/rdsk" 53573ca77eSGeorge Wilson #define BACKUP_SLICE "s2" 54573ca77eSGeorge Wilson 55f9af39baSGeorge Wilson typedef struct prop_flags { 56f9af39baSGeorge Wilson int create:1; /* Validate property on creation */ 57f9af39baSGeorge Wilson int import:1; /* Validate property on import */ 58f9af39baSGeorge Wilson } prop_flags_t; 59f9af39baSGeorge Wilson 60990b4856Slling /* 61990b4856Slling * ==================================================================== 62990b4856Slling * zpool property functions 63990b4856Slling * ==================================================================== 64990b4856Slling */ 65990b4856Slling 66990b4856Slling static int 67990b4856Slling zpool_get_all_props(zpool_handle_t *zhp) 68990b4856Slling { 69990b4856Slling zfs_cmd_t zc = { 0 }; 70990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 71990b4856Slling 72990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 73990b4856Slling 74990b4856Slling if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) 75990b4856Slling return (-1); 76990b4856Slling 77990b4856Slling while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { 78990b4856Slling if (errno == ENOMEM) { 79990b4856Slling if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 80990b4856Slling zcmd_free_nvlists(&zc); 81990b4856Slling return (-1); 82990b4856Slling } 83990b4856Slling } else { 84990b4856Slling zcmd_free_nvlists(&zc); 85990b4856Slling return (-1); 86990b4856Slling } 87990b4856Slling } 88990b4856Slling 89990b4856Slling if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { 90990b4856Slling zcmd_free_nvlists(&zc); 91990b4856Slling return (-1); 92990b4856Slling } 93990b4856Slling 94990b4856Slling zcmd_free_nvlists(&zc); 95990b4856Slling 96990b4856Slling return (0); 97990b4856Slling } 98990b4856Slling 99990b4856Slling static int 100990b4856Slling zpool_props_refresh(zpool_handle_t *zhp) 101990b4856Slling { 102990b4856Slling nvlist_t *old_props; 103990b4856Slling 104990b4856Slling old_props = zhp->zpool_props; 105990b4856Slling 106990b4856Slling if (zpool_get_all_props(zhp) != 0) 107990b4856Slling return (-1); 108990b4856Slling 109990b4856Slling nvlist_free(old_props); 110990b4856Slling return (0); 111990b4856Slling } 112990b4856Slling 113990b4856Slling static char * 114990b4856Slling zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, 115990b4856Slling zprop_source_t *src) 116990b4856Slling { 117990b4856Slling nvlist_t *nv, *nvl; 118990b4856Slling uint64_t ival; 119990b4856Slling char *value; 120990b4856Slling zprop_source_t source; 121990b4856Slling 122990b4856Slling nvl = zhp->zpool_props; 123990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 124990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); 125990b4856Slling source = ival; 126990b4856Slling verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); 127990b4856Slling } else { 128990b4856Slling source = ZPROP_SRC_DEFAULT; 129990b4856Slling if ((value = (char *)zpool_prop_default_string(prop)) == NULL) 130990b4856Slling value = "-"; 131990b4856Slling } 132990b4856Slling 133990b4856Slling if (src) 134990b4856Slling *src = source; 135990b4856Slling 136990b4856Slling return (value); 137990b4856Slling } 138990b4856Slling 139990b4856Slling uint64_t 140990b4856Slling zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) 141990b4856Slling { 142990b4856Slling nvlist_t *nv, *nvl; 143990b4856Slling uint64_t value; 144990b4856Slling zprop_source_t source; 145990b4856Slling 146b87f3af3Sperrin if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { 147b87f3af3Sperrin /* 148b87f3af3Sperrin * zpool_get_all_props() has most likely failed because 149b87f3af3Sperrin * the pool is faulted, but if all we need is the top level 150b87f3af3Sperrin * vdev's guid then get it from the zhp config nvlist. 151b87f3af3Sperrin */ 152b87f3af3Sperrin if ((prop == ZPOOL_PROP_GUID) && 153b87f3af3Sperrin (nvlist_lookup_nvlist(zhp->zpool_config, 154b87f3af3Sperrin ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && 155b87f3af3Sperrin (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) 156b87f3af3Sperrin == 0)) { 157b87f3af3Sperrin return (value); 158b87f3af3Sperrin } 159990b4856Slling return (zpool_prop_default_numeric(prop)); 160b87f3af3Sperrin } 161990b4856Slling 162990b4856Slling nvl = zhp->zpool_props; 163990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 164990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); 165990b4856Slling source = value; 166990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); 167990b4856Slling } else { 168990b4856Slling source = ZPROP_SRC_DEFAULT; 169990b4856Slling value = zpool_prop_default_numeric(prop); 170990b4856Slling } 171990b4856Slling 172990b4856Slling if (src) 173990b4856Slling *src = source; 174990b4856Slling 175990b4856Slling return (value); 176990b4856Slling } 177990b4856Slling 178990b4856Slling /* 179990b4856Slling * Map VDEV STATE to printed strings. 180990b4856Slling */ 181990b4856Slling char * 182990b4856Slling zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) 183990b4856Slling { 184990b4856Slling switch (state) { 185990b4856Slling case VDEV_STATE_CLOSED: 186990b4856Slling case VDEV_STATE_OFFLINE: 187990b4856Slling return (gettext("OFFLINE")); 188990b4856Slling case VDEV_STATE_REMOVED: 189990b4856Slling return (gettext("REMOVED")); 190990b4856Slling case VDEV_STATE_CANT_OPEN: 191b87f3af3Sperrin if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) 192990b4856Slling return (gettext("FAULTED")); 1931195e687SMark J Musante else if (aux == VDEV_AUX_SPLIT_POOL) 1941195e687SMark J Musante return (gettext("SPLIT")); 195990b4856Slling else 196990b4856Slling return (gettext("UNAVAIL")); 197990b4856Slling case VDEV_STATE_FAULTED: 198990b4856Slling return (gettext("FAULTED")); 199990b4856Slling case VDEV_STATE_DEGRADED: 200990b4856Slling return (gettext("DEGRADED")); 201990b4856Slling case VDEV_STATE_HEALTHY: 202990b4856Slling return (gettext("ONLINE")); 203990b4856Slling } 204990b4856Slling 205990b4856Slling return (gettext("UNKNOWN")); 206990b4856Slling } 207990b4856Slling 208990b4856Slling /* 209990b4856Slling * Get a zpool property value for 'prop' and return the value in 210990b4856Slling * a pre-allocated buffer. 211990b4856Slling */ 212990b4856Slling int 213990b4856Slling zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, 214990b4856Slling zprop_source_t *srctype) 215990b4856Slling { 216990b4856Slling uint64_t intval; 217990b4856Slling const char *strval; 218990b4856Slling zprop_source_t src = ZPROP_SRC_NONE; 219990b4856Slling nvlist_t *nvroot; 220990b4856Slling vdev_stat_t *vs; 221990b4856Slling uint_t vsc; 222990b4856Slling 223990b4856Slling if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 224379c004dSEric Schrock switch (prop) { 225379c004dSEric Schrock case ZPOOL_PROP_NAME: 226990b4856Slling (void) strlcpy(buf, zpool_get_name(zhp), len); 227379c004dSEric Schrock break; 228379c004dSEric Schrock 229379c004dSEric Schrock case ZPOOL_PROP_HEALTH: 230990b4856Slling (void) strlcpy(buf, "FAULTED", len); 231379c004dSEric Schrock break; 232379c004dSEric Schrock 233379c004dSEric Schrock case ZPOOL_PROP_GUID: 234379c004dSEric Schrock intval = zpool_get_prop_int(zhp, prop, &src); 235379c004dSEric Schrock (void) snprintf(buf, len, "%llu", intval); 236379c004dSEric Schrock break; 237379c004dSEric Schrock 238379c004dSEric Schrock case ZPOOL_PROP_ALTROOT: 239379c004dSEric Schrock case ZPOOL_PROP_CACHEFILE: 2408704186eSDan McDonald case ZPOOL_PROP_COMMENT: 241379c004dSEric Schrock if (zhp->zpool_props != NULL || 242379c004dSEric Schrock zpool_get_all_props(zhp) == 0) { 243379c004dSEric Schrock (void) strlcpy(buf, 244379c004dSEric Schrock zpool_get_prop_string(zhp, prop, &src), 245379c004dSEric Schrock len); 246379c004dSEric Schrock if (srctype != NULL) 247379c004dSEric Schrock *srctype = src; 248379c004dSEric Schrock return (0); 249379c004dSEric Schrock } 250379c004dSEric Schrock /* FALLTHROUGH */ 251379c004dSEric Schrock default: 252990b4856Slling (void) strlcpy(buf, "-", len); 253379c004dSEric Schrock break; 254379c004dSEric Schrock } 255379c004dSEric Schrock 256379c004dSEric Schrock if (srctype != NULL) 257379c004dSEric Schrock *srctype = src; 258990b4856Slling return (0); 259990b4856Slling } 260990b4856Slling 261990b4856Slling if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && 262990b4856Slling prop != ZPOOL_PROP_NAME) 263990b4856Slling return (-1); 264990b4856Slling 265990b4856Slling switch (zpool_prop_get_type(prop)) { 266990b4856Slling case PROP_TYPE_STRING: 267990b4856Slling (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), 268990b4856Slling len); 269990b4856Slling break; 270990b4856Slling 271990b4856Slling case PROP_TYPE_NUMBER: 272990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 273990b4856Slling 274990b4856Slling switch (prop) { 275990b4856Slling case ZPOOL_PROP_SIZE: 276485bbbf5SGeorge Wilson case ZPOOL_PROP_ALLOCATED: 277485bbbf5SGeorge Wilson case ZPOOL_PROP_FREE: 278ad135b5dSChristopher Siden case ZPOOL_PROP_FREEING: 2794263d13fSGeorge Wilson case ZPOOL_PROP_EXPANDSZ: 280990b4856Slling (void) zfs_nicenum(intval, buf, len); 281990b4856Slling break; 282990b4856Slling 283990b4856Slling case ZPOOL_PROP_CAPACITY: 284990b4856Slling (void) snprintf(buf, len, "%llu%%", 285990b4856Slling (u_longlong_t)intval); 286990b4856Slling break; 287990b4856Slling 288b24ab676SJeff Bonwick case ZPOOL_PROP_DEDUPRATIO: 289b24ab676SJeff Bonwick (void) snprintf(buf, len, "%llu.%02llux", 290b24ab676SJeff Bonwick (u_longlong_t)(intval / 100), 291b24ab676SJeff Bonwick (u_longlong_t)(intval % 100)); 292b24ab676SJeff Bonwick break; 293b24ab676SJeff Bonwick 294990b4856Slling case ZPOOL_PROP_HEALTH: 295990b4856Slling verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 296990b4856Slling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 297990b4856Slling verify(nvlist_lookup_uint64_array(nvroot, 2983f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) 2993f9d6ad7SLin Ling == 0); 300990b4856Slling 301990b4856Slling (void) strlcpy(buf, zpool_state_to_name(intval, 302990b4856Slling vs->vs_aux), len); 303990b4856Slling break; 304ad135b5dSChristopher Siden case ZPOOL_PROP_VERSION: 305ad135b5dSChristopher Siden if (intval >= SPA_VERSION_FEATURES) { 306ad135b5dSChristopher Siden (void) snprintf(buf, len, "-"); 307ad135b5dSChristopher Siden break; 308ad135b5dSChristopher Siden } 309ad135b5dSChristopher Siden /* FALLTHROUGH */ 310990b4856Slling default: 311990b4856Slling (void) snprintf(buf, len, "%llu", intval); 312990b4856Slling } 313990b4856Slling break; 314990b4856Slling 315990b4856Slling case PROP_TYPE_INDEX: 316990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 317990b4856Slling if (zpool_prop_index_to_string(prop, intval, &strval) 318990b4856Slling != 0) 319990b4856Slling return (-1); 320990b4856Slling (void) strlcpy(buf, strval, len); 321990b4856Slling break; 322990b4856Slling 323990b4856Slling default: 324990b4856Slling abort(); 325990b4856Slling } 326990b4856Slling 327990b4856Slling if (srctype) 328990b4856Slling *srctype = src; 329990b4856Slling 330990b4856Slling return (0); 331990b4856Slling } 332990b4856Slling 333990b4856Slling /* 334990b4856Slling * Check if the bootfs name has the same pool name as it is set to. 335990b4856Slling * Assuming bootfs is a valid dataset name. 336990b4856Slling */ 337990b4856Slling static boolean_t 338990b4856Slling bootfs_name_valid(const char *pool, char *bootfs) 339990b4856Slling { 340990b4856Slling int len = strlen(pool); 341990b4856Slling 342fe3e2633SEric Taylor if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) 343990b4856Slling return (B_FALSE); 344990b4856Slling 345990b4856Slling if (strncmp(pool, bootfs, len) == 0 && 346990b4856Slling (bootfs[len] == '/' || bootfs[len] == '\0')) 347990b4856Slling return (B_TRUE); 348990b4856Slling 349990b4856Slling return (B_FALSE); 350990b4856Slling } 351990b4856Slling 35215e6edf1Sgw /* 35315e6edf1Sgw * Inspect the configuration to determine if any of the devices contain 35415e6edf1Sgw * an EFI label. 35515e6edf1Sgw */ 35615e6edf1Sgw static boolean_t 35715e6edf1Sgw pool_uses_efi(nvlist_t *config) 35815e6edf1Sgw { 35915e6edf1Sgw nvlist_t **child; 36015e6edf1Sgw uint_t c, children; 36115e6edf1Sgw 36215e6edf1Sgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 36315e6edf1Sgw &child, &children) != 0) 36415e6edf1Sgw return (read_efi_label(config, NULL) >= 0); 36515e6edf1Sgw 36615e6edf1Sgw for (c = 0; c < children; c++) { 36715e6edf1Sgw if (pool_uses_efi(child[c])) 36815e6edf1Sgw return (B_TRUE); 36915e6edf1Sgw } 37015e6edf1Sgw return (B_FALSE); 37115e6edf1Sgw } 37215e6edf1Sgw 3734263d13fSGeorge Wilson boolean_t 3744263d13fSGeorge Wilson zpool_is_bootable(zpool_handle_t *zhp) 375b5b76fecSGeorge Wilson { 376b5b76fecSGeorge Wilson char bootfs[ZPOOL_MAXNAMELEN]; 377b5b76fecSGeorge Wilson 378b5b76fecSGeorge Wilson return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, 379b5b76fecSGeorge Wilson sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-", 380b5b76fecSGeorge Wilson sizeof (bootfs)) != 0); 381b5b76fecSGeorge Wilson } 382b5b76fecSGeorge Wilson 383b5b76fecSGeorge Wilson 384990b4856Slling /* 385990b4856Slling * Given an nvlist of zpool properties to be set, validate that they are 386990b4856Slling * correct, and parse any numeric properties (index, boolean, etc) if they are 387990b4856Slling * specified as strings. 388990b4856Slling */ 389990b4856Slling static nvlist_t * 3900a48a24eStimh zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 391f9af39baSGeorge Wilson nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) 392990b4856Slling { 393990b4856Slling nvpair_t *elem; 394990b4856Slling nvlist_t *retprops; 395990b4856Slling zpool_prop_t prop; 396990b4856Slling char *strval; 397990b4856Slling uint64_t intval; 3988704186eSDan McDonald char *slash, *check; 3992f8aaab3Seschrock struct stat64 statbuf; 40015e6edf1Sgw zpool_handle_t *zhp; 40115e6edf1Sgw nvlist_t *nvroot; 402990b4856Slling 403990b4856Slling if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { 404990b4856Slling (void) no_memory(hdl); 405990b4856Slling return (NULL); 406990b4856Slling } 407990b4856Slling 408990b4856Slling elem = NULL; 409990b4856Slling while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 410990b4856Slling const char *propname = nvpair_name(elem); 411990b4856Slling 412ad135b5dSChristopher Siden prop = zpool_name_to_prop(propname); 413ad135b5dSChristopher Siden if (prop == ZPROP_INVAL && zpool_prop_feature(propname)) { 414ad135b5dSChristopher Siden int err; 415ad135b5dSChristopher Siden zfeature_info_t *feature; 416ad135b5dSChristopher Siden char *fname = strchr(propname, '@') + 1; 417ad135b5dSChristopher Siden 418ad135b5dSChristopher Siden err = zfeature_lookup_name(fname, &feature); 419ad135b5dSChristopher Siden if (err != 0) { 420ad135b5dSChristopher Siden ASSERT3U(err, ==, ENOENT); 421ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 422ad135b5dSChristopher Siden "invalid feature '%s'"), fname); 423ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 424ad135b5dSChristopher Siden goto error; 425ad135b5dSChristopher Siden } 426ad135b5dSChristopher Siden 427ad135b5dSChristopher Siden if (nvpair_type(elem) != DATA_TYPE_STRING) { 428ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 429ad135b5dSChristopher Siden "'%s' must be a string"), propname); 430ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 431ad135b5dSChristopher Siden goto error; 432ad135b5dSChristopher Siden } 433ad135b5dSChristopher Siden 434ad135b5dSChristopher Siden (void) nvpair_value_string(elem, &strval); 435ad135b5dSChristopher Siden if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0) { 436ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 437ad135b5dSChristopher Siden "property '%s' can only be set to " 438ad135b5dSChristopher Siden "'enabled'"), propname); 439ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 440ad135b5dSChristopher Siden goto error; 441ad135b5dSChristopher Siden } 442ad135b5dSChristopher Siden 443ad135b5dSChristopher Siden if (nvlist_add_uint64(retprops, propname, 0) != 0) { 444ad135b5dSChristopher Siden (void) no_memory(hdl); 445ad135b5dSChristopher Siden goto error; 446ad135b5dSChristopher Siden } 447ad135b5dSChristopher Siden continue; 448ad135b5dSChristopher Siden } 449ad135b5dSChristopher Siden 450990b4856Slling /* 451990b4856Slling * Make sure this property is valid and applies to this type. 452990b4856Slling */ 453ad135b5dSChristopher Siden if (prop == ZPROP_INVAL) { 454990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 455990b4856Slling "invalid property '%s'"), propname); 456990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 457990b4856Slling goto error; 458990b4856Slling } 459990b4856Slling 460990b4856Slling if (zpool_prop_readonly(prop)) { 461990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 462990b4856Slling "is readonly"), propname); 463990b4856Slling (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 464990b4856Slling goto error; 465990b4856Slling } 466990b4856Slling 467990b4856Slling if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, 468990b4856Slling &strval, &intval, errbuf) != 0) 469990b4856Slling goto error; 470990b4856Slling 471990b4856Slling /* 472990b4856Slling * Perform additional checking for specific properties. 473990b4856Slling */ 474990b4856Slling switch (prop) { 475990b4856Slling case ZPOOL_PROP_VERSION: 476ad135b5dSChristopher Siden if (intval < version || 477ad135b5dSChristopher Siden !SPA_VERSION_IS_SUPPORTED(intval)) { 478990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 479990b4856Slling "property '%s' number %d is invalid."), 480990b4856Slling propname, intval); 481990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 482990b4856Slling goto error; 483990b4856Slling } 484990b4856Slling break; 485990b4856Slling 486990b4856Slling case ZPOOL_PROP_BOOTFS: 487f9af39baSGeorge Wilson if (flags.create || flags.import) { 488990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 489990b4856Slling "property '%s' cannot be set at creation " 490990b4856Slling "or import time"), propname); 491990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 492990b4856Slling goto error; 493990b4856Slling } 494990b4856Slling 495990b4856Slling if (version < SPA_VERSION_BOOTFS) { 496990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 497990b4856Slling "pool must be upgraded to support " 498990b4856Slling "'%s' property"), propname); 499990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 500990b4856Slling goto error; 501990b4856Slling } 502990b4856Slling 503990b4856Slling /* 504990b4856Slling * bootfs property value has to be a dataset name and 505990b4856Slling * the dataset has to be in the same pool as it sets to. 506990b4856Slling */ 507990b4856Slling if (strval[0] != '\0' && !bootfs_name_valid(poolname, 508990b4856Slling strval)) { 509990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 510990b4856Slling "is an invalid name"), strval); 511990b4856Slling (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 512990b4856Slling goto error; 513990b4856Slling } 51415e6edf1Sgw 51515e6edf1Sgw if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { 51615e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 51715e6edf1Sgw "could not open pool '%s'"), poolname); 51815e6edf1Sgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 51915e6edf1Sgw goto error; 52015e6edf1Sgw } 52115e6edf1Sgw verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 52215e6edf1Sgw ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 52315e6edf1Sgw 52415e6edf1Sgw /* 52515e6edf1Sgw * bootfs property cannot be set on a disk which has 52615e6edf1Sgw * been EFI labeled. 52715e6edf1Sgw */ 52815e6edf1Sgw if (pool_uses_efi(nvroot)) { 52915e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 53015e6edf1Sgw "property '%s' not supported on " 53115e6edf1Sgw "EFI labeled devices"), propname); 53215e6edf1Sgw (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); 53315e6edf1Sgw zpool_close(zhp); 53415e6edf1Sgw goto error; 53515e6edf1Sgw } 53615e6edf1Sgw zpool_close(zhp); 537990b4856Slling break; 538990b4856Slling 5392f8aaab3Seschrock case ZPOOL_PROP_ALTROOT: 540f9af39baSGeorge Wilson if (!flags.create && !flags.import) { 541990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 542990b4856Slling "property '%s' can only be set during pool " 543990b4856Slling "creation or import"), propname); 544990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 545990b4856Slling goto error; 546990b4856Slling } 547990b4856Slling 5482f8aaab3Seschrock if (strval[0] != '/') { 549990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5502f8aaab3Seschrock "bad alternate root '%s'"), strval); 5512f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 552990b4856Slling goto error; 553990b4856Slling } 5542f8aaab3Seschrock break; 5552f8aaab3Seschrock 5562f8aaab3Seschrock case ZPOOL_PROP_CACHEFILE: 5572f8aaab3Seschrock if (strval[0] == '\0') 5582f8aaab3Seschrock break; 5592f8aaab3Seschrock 5602f8aaab3Seschrock if (strcmp(strval, "none") == 0) 5612f8aaab3Seschrock break; 562990b4856Slling 563990b4856Slling if (strval[0] != '/') { 564990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5652f8aaab3Seschrock "property '%s' must be empty, an " 5662f8aaab3Seschrock "absolute path, or 'none'"), propname); 567990b4856Slling (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 568990b4856Slling goto error; 569990b4856Slling } 570990b4856Slling 5712f8aaab3Seschrock slash = strrchr(strval, '/'); 572990b4856Slling 5732f8aaab3Seschrock if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || 5742f8aaab3Seschrock strcmp(slash, "/..") == 0) { 5752f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5762f8aaab3Seschrock "'%s' is not a valid file"), strval); 5772f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5782f8aaab3Seschrock goto error; 5792f8aaab3Seschrock } 580990b4856Slling 5812f8aaab3Seschrock *slash = '\0'; 5822f8aaab3Seschrock 5832c32020fSeschrock if (strval[0] != '\0' && 5842c32020fSeschrock (stat64(strval, &statbuf) != 0 || 5852c32020fSeschrock !S_ISDIR(statbuf.st_mode))) { 5862f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5872f8aaab3Seschrock "'%s' is not a valid directory"), 5882f8aaab3Seschrock strval); 5892f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5902f8aaab3Seschrock goto error; 5912f8aaab3Seschrock } 5922f8aaab3Seschrock 5932f8aaab3Seschrock *slash = '/'; 5942f8aaab3Seschrock break; 595f9af39baSGeorge Wilson 5968704186eSDan McDonald case ZPOOL_PROP_COMMENT: 5978704186eSDan McDonald for (check = strval; *check != '\0'; check++) { 5988704186eSDan McDonald if (!isprint(*check)) { 5998704186eSDan McDonald zfs_error_aux(hdl, 6008704186eSDan McDonald dgettext(TEXT_DOMAIN, 6018704186eSDan McDonald "comment may only have printable " 6028704186eSDan McDonald "characters")); 6038704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, 6048704186eSDan McDonald errbuf); 6058704186eSDan McDonald goto error; 6068704186eSDan McDonald } 6078704186eSDan McDonald } 6088704186eSDan McDonald if (strlen(strval) > ZPROP_MAX_COMMENT) { 6098704186eSDan McDonald zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6108704186eSDan McDonald "comment must not exceed %d characters"), 6118704186eSDan McDonald ZPROP_MAX_COMMENT); 6128704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 6138704186eSDan McDonald goto error; 6148704186eSDan McDonald } 6158704186eSDan McDonald break; 616f9af39baSGeorge Wilson case ZPOOL_PROP_READONLY: 617f9af39baSGeorge Wilson if (!flags.import) { 618f9af39baSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 619f9af39baSGeorge Wilson "property '%s' can only be set at " 620f9af39baSGeorge Wilson "import time"), propname); 621f9af39baSGeorge Wilson (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 622f9af39baSGeorge Wilson goto error; 623f9af39baSGeorge Wilson } 624f9af39baSGeorge Wilson break; 625990b4856Slling } 626990b4856Slling } 627990b4856Slling 628990b4856Slling return (retprops); 629990b4856Slling error: 630990b4856Slling nvlist_free(retprops); 631990b4856Slling return (NULL); 632990b4856Slling } 633990b4856Slling 634990b4856Slling /* 635990b4856Slling * Set zpool property : propname=propval. 636990b4856Slling */ 637990b4856Slling int 638990b4856Slling zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) 639990b4856Slling { 640990b4856Slling zfs_cmd_t zc = { 0 }; 641990b4856Slling int ret = -1; 642990b4856Slling char errbuf[1024]; 643990b4856Slling nvlist_t *nvl = NULL; 644990b4856Slling nvlist_t *realprops; 645990b4856Slling uint64_t version; 646f9af39baSGeorge Wilson prop_flags_t flags = { 0 }; 647990b4856Slling 648990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), 649990b4856Slling dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 650990b4856Slling zhp->zpool_name); 651990b4856Slling 652990b4856Slling if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 653990b4856Slling return (no_memory(zhp->zpool_hdl)); 654990b4856Slling 655990b4856Slling if (nvlist_add_string(nvl, propname, propval) != 0) { 656990b4856Slling nvlist_free(nvl); 657990b4856Slling return (no_memory(zhp->zpool_hdl)); 658990b4856Slling } 659990b4856Slling 660990b4856Slling version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 6610a48a24eStimh if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, 662f9af39baSGeorge Wilson zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { 663990b4856Slling nvlist_free(nvl); 664990b4856Slling return (-1); 665990b4856Slling } 666990b4856Slling 667990b4856Slling nvlist_free(nvl); 668990b4856Slling nvl = realprops; 669990b4856Slling 670990b4856Slling /* 671990b4856Slling * Execute the corresponding ioctl() to set this property. 672990b4856Slling */ 673990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 674990b4856Slling 675990b4856Slling if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { 676990b4856Slling nvlist_free(nvl); 677990b4856Slling return (-1); 678990b4856Slling } 679990b4856Slling 680990b4856Slling ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); 681990b4856Slling 682990b4856Slling zcmd_free_nvlists(&zc); 683990b4856Slling nvlist_free(nvl); 684990b4856Slling 685990b4856Slling if (ret) 686990b4856Slling (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); 687990b4856Slling else 688990b4856Slling (void) zpool_props_refresh(zhp); 689990b4856Slling 690990b4856Slling return (ret); 691990b4856Slling } 692990b4856Slling 693990b4856Slling int 694990b4856Slling zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) 695990b4856Slling { 696990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 697990b4856Slling zprop_list_t *entry; 698990b4856Slling char buf[ZFS_MAXPROPLEN]; 699ad135b5dSChristopher Siden nvlist_t *features = NULL; 700ad135b5dSChristopher Siden zprop_list_t **last; 701ad135b5dSChristopher Siden boolean_t firstexpand = (NULL == *plp); 702990b4856Slling 703990b4856Slling if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) 704990b4856Slling return (-1); 705990b4856Slling 706ad135b5dSChristopher Siden last = plp; 707ad135b5dSChristopher Siden while (*last != NULL) 708ad135b5dSChristopher Siden last = &(*last)->pl_next; 709ad135b5dSChristopher Siden 710ad135b5dSChristopher Siden if ((*plp)->pl_all) 711ad135b5dSChristopher Siden features = zpool_get_features(zhp); 712ad135b5dSChristopher Siden 713ad135b5dSChristopher Siden if ((*plp)->pl_all && firstexpand) { 714ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 715ad135b5dSChristopher Siden zprop_list_t *entry = zfs_alloc(hdl, 716ad135b5dSChristopher Siden sizeof (zprop_list_t)); 717ad135b5dSChristopher Siden entry->pl_prop = ZPROP_INVAL; 718ad135b5dSChristopher Siden entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s", 719ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 720ad135b5dSChristopher Siden entry->pl_width = strlen(entry->pl_user_prop); 721ad135b5dSChristopher Siden entry->pl_all = B_TRUE; 722ad135b5dSChristopher Siden 723ad135b5dSChristopher Siden *last = entry; 724ad135b5dSChristopher Siden last = &entry->pl_next; 725ad135b5dSChristopher Siden } 726ad135b5dSChristopher Siden } 727ad135b5dSChristopher Siden 728ad135b5dSChristopher Siden /* add any unsupported features */ 729ad135b5dSChristopher Siden for (nvpair_t *nvp = nvlist_next_nvpair(features, NULL); 730ad135b5dSChristopher Siden nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) { 731ad135b5dSChristopher Siden char *propname; 732ad135b5dSChristopher Siden boolean_t found; 733ad135b5dSChristopher Siden zprop_list_t *entry; 734ad135b5dSChristopher Siden 735ad135b5dSChristopher Siden if (zfeature_is_supported(nvpair_name(nvp))) 736ad135b5dSChristopher Siden continue; 737ad135b5dSChristopher Siden 738ad135b5dSChristopher Siden propname = zfs_asprintf(hdl, "unsupported@%s", 739ad135b5dSChristopher Siden nvpair_name(nvp)); 740ad135b5dSChristopher Siden 741ad135b5dSChristopher Siden /* 742ad135b5dSChristopher Siden * Before adding the property to the list make sure that no 743ad135b5dSChristopher Siden * other pool already added the same property. 744ad135b5dSChristopher Siden */ 745ad135b5dSChristopher Siden found = B_FALSE; 746ad135b5dSChristopher Siden entry = *plp; 747ad135b5dSChristopher Siden while (entry != NULL) { 748ad135b5dSChristopher Siden if (entry->pl_user_prop != NULL && 749ad135b5dSChristopher Siden strcmp(propname, entry->pl_user_prop) == 0) { 750ad135b5dSChristopher Siden found = B_TRUE; 751ad135b5dSChristopher Siden break; 752ad135b5dSChristopher Siden } 753ad135b5dSChristopher Siden entry = entry->pl_next; 754ad135b5dSChristopher Siden } 755ad135b5dSChristopher Siden if (found) { 756ad135b5dSChristopher Siden free(propname); 757ad135b5dSChristopher Siden continue; 758ad135b5dSChristopher Siden } 759ad135b5dSChristopher Siden 760ad135b5dSChristopher Siden entry = zfs_alloc(hdl, sizeof (zprop_list_t)); 761ad135b5dSChristopher Siden entry->pl_prop = ZPROP_INVAL; 762ad135b5dSChristopher Siden entry->pl_user_prop = propname; 763ad135b5dSChristopher Siden entry->pl_width = strlen(entry->pl_user_prop); 764ad135b5dSChristopher Siden entry->pl_all = B_TRUE; 765ad135b5dSChristopher Siden 766ad135b5dSChristopher Siden *last = entry; 767ad135b5dSChristopher Siden last = &entry->pl_next; 768ad135b5dSChristopher Siden } 769ad135b5dSChristopher Siden 770990b4856Slling for (entry = *plp; entry != NULL; entry = entry->pl_next) { 771990b4856Slling 772990b4856Slling if (entry->pl_fixed) 773990b4856Slling continue; 774990b4856Slling 775990b4856Slling if (entry->pl_prop != ZPROP_INVAL && 776990b4856Slling zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), 777990b4856Slling NULL) == 0) { 778990b4856Slling if (strlen(buf) > entry->pl_width) 779990b4856Slling entry->pl_width = strlen(buf); 780990b4856Slling } 781990b4856Slling } 782990b4856Slling 783990b4856Slling return (0); 784990b4856Slling } 785990b4856Slling 786ad135b5dSChristopher Siden /* 787ad135b5dSChristopher Siden * Get the state for the given feature on the given ZFS pool. 788ad135b5dSChristopher Siden */ 789ad135b5dSChristopher Siden int 790ad135b5dSChristopher Siden zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf, 791ad135b5dSChristopher Siden size_t len) 792ad135b5dSChristopher Siden { 793ad135b5dSChristopher Siden uint64_t refcount; 794ad135b5dSChristopher Siden boolean_t found = B_FALSE; 795ad135b5dSChristopher Siden nvlist_t *features = zpool_get_features(zhp); 796ad135b5dSChristopher Siden boolean_t supported; 797ad135b5dSChristopher Siden const char *feature = strchr(propname, '@') + 1; 798ad135b5dSChristopher Siden 799ad135b5dSChristopher Siden supported = zpool_prop_feature(propname); 800ad135b5dSChristopher Siden ASSERT(supported || zfs_prop_unsupported(propname)); 801ad135b5dSChristopher Siden 802ad135b5dSChristopher Siden /* 803ad135b5dSChristopher Siden * Convert from feature name to feature guid. This conversion is 804ad135b5dSChristopher Siden * unecessary for unsupported@... properties because they already 805ad135b5dSChristopher Siden * use guids. 806ad135b5dSChristopher Siden */ 807ad135b5dSChristopher Siden if (supported) { 808ad135b5dSChristopher Siden int ret; 809ad135b5dSChristopher Siden zfeature_info_t *fi; 810ad135b5dSChristopher Siden 811ad135b5dSChristopher Siden ret = zfeature_lookup_name(feature, &fi); 812ad135b5dSChristopher Siden if (ret != 0) { 813ad135b5dSChristopher Siden (void) strlcpy(buf, "-", len); 814ad135b5dSChristopher Siden return (ENOTSUP); 815ad135b5dSChristopher Siden } 816ad135b5dSChristopher Siden feature = fi->fi_guid; 817ad135b5dSChristopher Siden } 818ad135b5dSChristopher Siden 819ad135b5dSChristopher Siden if (nvlist_lookup_uint64(features, feature, &refcount) == 0) 820ad135b5dSChristopher Siden found = B_TRUE; 821ad135b5dSChristopher Siden 822ad135b5dSChristopher Siden if (supported) { 823ad135b5dSChristopher Siden if (!found) { 824ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len); 825ad135b5dSChristopher Siden } else { 826ad135b5dSChristopher Siden if (refcount == 0) 827ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len); 828ad135b5dSChristopher Siden else 829ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len); 830ad135b5dSChristopher Siden } 831ad135b5dSChristopher Siden } else { 832ad135b5dSChristopher Siden if (found) { 833ad135b5dSChristopher Siden if (refcount == 0) { 834ad135b5dSChristopher Siden (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE); 835ad135b5dSChristopher Siden } else { 836ad135b5dSChristopher Siden (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY); 837ad135b5dSChristopher Siden } 838ad135b5dSChristopher Siden } else { 839ad135b5dSChristopher Siden (void) strlcpy(buf, "-", len); 840ad135b5dSChristopher Siden return (ENOTSUP); 841ad135b5dSChristopher Siden } 842ad135b5dSChristopher Siden } 843ad135b5dSChristopher Siden 844ad135b5dSChristopher Siden return (0); 845ad135b5dSChristopher Siden } 846990b4856Slling 847573ca77eSGeorge Wilson /* 848573ca77eSGeorge Wilson * Don't start the slice at the default block of 34; many storage 849573ca77eSGeorge Wilson * devices will use a stripe width of 128k, so start there instead. 850573ca77eSGeorge Wilson */ 851573ca77eSGeorge Wilson #define NEW_START_BLOCK 256 852573ca77eSGeorge Wilson 853fa9e4066Sahrens /* 854fa9e4066Sahrens * Validate the given pool name, optionally putting an extended error message in 855fa9e4066Sahrens * 'buf'. 856fa9e4066Sahrens */ 857e7cbe64fSgw boolean_t 85899653d4eSeschrock zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) 859fa9e4066Sahrens { 860fa9e4066Sahrens namecheck_err_t why; 861fa9e4066Sahrens char what; 862b468a217Seschrock int ret; 863b468a217Seschrock 864b468a217Seschrock ret = pool_namecheck(pool, &why, &what); 865b468a217Seschrock 866b468a217Seschrock /* 867b468a217Seschrock * The rules for reserved pool names were extended at a later point. 868b468a217Seschrock * But we need to support users with existing pools that may now be 869b468a217Seschrock * invalid. So we only check for this expanded set of names during a 870b468a217Seschrock * create (or import), and only in userland. 871b468a217Seschrock */ 872b468a217Seschrock if (ret == 0 && !isopen && 873b468a217Seschrock (strncmp(pool, "mirror", 6) == 0 || 874b468a217Seschrock strncmp(pool, "raidz", 5) == 0 || 8758654d025Sperrin strncmp(pool, "spare", 5) == 0 || 8768654d025Sperrin strcmp(pool, "log") == 0)) { 877e7cbe64fSgw if (hdl != NULL) 878e7cbe64fSgw zfs_error_aux(hdl, 879e7cbe64fSgw dgettext(TEXT_DOMAIN, "name is reserved")); 88099653d4eSeschrock return (B_FALSE); 881b468a217Seschrock } 882b468a217Seschrock 883fa9e4066Sahrens 884b468a217Seschrock if (ret != 0) { 88599653d4eSeschrock if (hdl != NULL) { 886fa9e4066Sahrens switch (why) { 887b81d61a6Slling case NAME_ERR_TOOLONG: 88899653d4eSeschrock zfs_error_aux(hdl, 889b81d61a6Slling dgettext(TEXT_DOMAIN, "name is too long")); 890b81d61a6Slling break; 891b81d61a6Slling 892fa9e4066Sahrens case NAME_ERR_INVALCHAR: 89399653d4eSeschrock zfs_error_aux(hdl, 894fa9e4066Sahrens dgettext(TEXT_DOMAIN, "invalid character " 895fa9e4066Sahrens "'%c' in pool name"), what); 896fa9e4066Sahrens break; 897fa9e4066Sahrens 898fa9e4066Sahrens case NAME_ERR_NOLETTER: 89999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 90099653d4eSeschrock "name must begin with a letter")); 901fa9e4066Sahrens break; 902fa9e4066Sahrens 903fa9e4066Sahrens case NAME_ERR_RESERVED: 90499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 90599653d4eSeschrock "name is reserved")); 906fa9e4066Sahrens break; 907fa9e4066Sahrens 908fa9e4066Sahrens case NAME_ERR_DISKLIKE: 90999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 91099653d4eSeschrock "pool name is reserved")); 911fa9e4066Sahrens break; 9125ad82045Snd 9135ad82045Snd case NAME_ERR_LEADING_SLASH: 9145ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9155ad82045Snd "leading slash in name")); 9165ad82045Snd break; 9175ad82045Snd 9185ad82045Snd case NAME_ERR_EMPTY_COMPONENT: 9195ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9205ad82045Snd "empty component in name")); 9215ad82045Snd break; 9225ad82045Snd 9235ad82045Snd case NAME_ERR_TRAILING_SLASH: 9245ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9255ad82045Snd "trailing slash in name")); 9265ad82045Snd break; 9275ad82045Snd 9285ad82045Snd case NAME_ERR_MULTIPLE_AT: 9295ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9305ad82045Snd "multiple '@' delimiters in name")); 9315ad82045Snd break; 9325ad82045Snd 933fa9e4066Sahrens } 934fa9e4066Sahrens } 93599653d4eSeschrock return (B_FALSE); 936fa9e4066Sahrens } 937fa9e4066Sahrens 93899653d4eSeschrock return (B_TRUE); 939fa9e4066Sahrens } 940fa9e4066Sahrens 941fa9e4066Sahrens /* 942fa9e4066Sahrens * Open a handle to the given pool, even if the pool is currently in the FAULTED 943fa9e4066Sahrens * state. 944fa9e4066Sahrens */ 945fa9e4066Sahrens zpool_handle_t * 94699653d4eSeschrock zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) 947fa9e4066Sahrens { 948fa9e4066Sahrens zpool_handle_t *zhp; 94994de1d4cSeschrock boolean_t missing; 950fa9e4066Sahrens 951fa9e4066Sahrens /* 952fa9e4066Sahrens * Make sure the pool name is valid. 953fa9e4066Sahrens */ 95499653d4eSeschrock if (!zpool_name_valid(hdl, B_TRUE, pool)) { 955ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, 95699653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), 95799653d4eSeschrock pool); 958fa9e4066Sahrens return (NULL); 959fa9e4066Sahrens } 960fa9e4066Sahrens 96199653d4eSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 96299653d4eSeschrock return (NULL); 963fa9e4066Sahrens 96499653d4eSeschrock zhp->zpool_hdl = hdl; 965fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 966fa9e4066Sahrens 96794de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 96894de1d4cSeschrock zpool_close(zhp); 96994de1d4cSeschrock return (NULL); 97094de1d4cSeschrock } 97194de1d4cSeschrock 97294de1d4cSeschrock if (missing) { 973990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); 974ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_NOENT, 975990b4856Slling dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); 97694de1d4cSeschrock zpool_close(zhp); 97794de1d4cSeschrock return (NULL); 978fa9e4066Sahrens } 979fa9e4066Sahrens 980fa9e4066Sahrens return (zhp); 981fa9e4066Sahrens } 982fa9e4066Sahrens 983fa9e4066Sahrens /* 984fa9e4066Sahrens * Like the above, but silent on error. Used when iterating over pools (because 985fa9e4066Sahrens * the configuration cache may be out of date). 986fa9e4066Sahrens */ 98794de1d4cSeschrock int 98894de1d4cSeschrock zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) 989fa9e4066Sahrens { 990fa9e4066Sahrens zpool_handle_t *zhp; 99194de1d4cSeschrock boolean_t missing; 992fa9e4066Sahrens 99394de1d4cSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 99494de1d4cSeschrock return (-1); 995fa9e4066Sahrens 99699653d4eSeschrock zhp->zpool_hdl = hdl; 997fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 998fa9e4066Sahrens 99994de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 100094de1d4cSeschrock zpool_close(zhp); 100194de1d4cSeschrock return (-1); 1002fa9e4066Sahrens } 1003fa9e4066Sahrens 100494de1d4cSeschrock if (missing) { 100594de1d4cSeschrock zpool_close(zhp); 100694de1d4cSeschrock *ret = NULL; 100794de1d4cSeschrock return (0); 100894de1d4cSeschrock } 100994de1d4cSeschrock 101094de1d4cSeschrock *ret = zhp; 101194de1d4cSeschrock return (0); 1012fa9e4066Sahrens } 1013fa9e4066Sahrens 1014fa9e4066Sahrens /* 1015fa9e4066Sahrens * Similar to zpool_open_canfail(), but refuses to open pools in the faulted 1016fa9e4066Sahrens * state. 1017fa9e4066Sahrens */ 1018fa9e4066Sahrens zpool_handle_t * 101999653d4eSeschrock zpool_open(libzfs_handle_t *hdl, const char *pool) 1020fa9e4066Sahrens { 1021fa9e4066Sahrens zpool_handle_t *zhp; 1022fa9e4066Sahrens 102399653d4eSeschrock if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) 1024fa9e4066Sahrens return (NULL); 1025fa9e4066Sahrens 1026fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_UNAVAIL) { 1027ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, 102899653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); 1029fa9e4066Sahrens zpool_close(zhp); 1030fa9e4066Sahrens return (NULL); 1031fa9e4066Sahrens } 1032fa9e4066Sahrens 1033fa9e4066Sahrens return (zhp); 1034fa9e4066Sahrens } 1035fa9e4066Sahrens 1036fa9e4066Sahrens /* 1037fa9e4066Sahrens * Close the handle. Simply frees the memory associated with the handle. 1038fa9e4066Sahrens */ 1039fa9e4066Sahrens void 1040fa9e4066Sahrens zpool_close(zpool_handle_t *zhp) 1041fa9e4066Sahrens { 1042fa9e4066Sahrens if (zhp->zpool_config) 1043fa9e4066Sahrens nvlist_free(zhp->zpool_config); 1044088e9d47Seschrock if (zhp->zpool_old_config) 1045088e9d47Seschrock nvlist_free(zhp->zpool_old_config); 1046b1b8ab34Slling if (zhp->zpool_props) 1047b1b8ab34Slling nvlist_free(zhp->zpool_props); 1048fa9e4066Sahrens free(zhp); 1049fa9e4066Sahrens } 1050fa9e4066Sahrens 1051fa9e4066Sahrens /* 1052fa9e4066Sahrens * Return the name of the pool. 1053fa9e4066Sahrens */ 1054fa9e4066Sahrens const char * 1055fa9e4066Sahrens zpool_get_name(zpool_handle_t *zhp) 1056fa9e4066Sahrens { 1057fa9e4066Sahrens return (zhp->zpool_name); 1058fa9e4066Sahrens } 1059fa9e4066Sahrens 1060fa9e4066Sahrens 1061fa9e4066Sahrens /* 1062fa9e4066Sahrens * Return the state of the pool (ACTIVE or UNAVAILABLE) 1063fa9e4066Sahrens */ 1064fa9e4066Sahrens int 1065fa9e4066Sahrens zpool_get_state(zpool_handle_t *zhp) 1066fa9e4066Sahrens { 1067fa9e4066Sahrens return (zhp->zpool_state); 1068fa9e4066Sahrens } 1069fa9e4066Sahrens 1070fa9e4066Sahrens /* 1071fa9e4066Sahrens * Create the named pool, using the provided vdev list. It is assumed 1072fa9e4066Sahrens * that the consumer has already validated the contents of the nvlist, so we 1073fa9e4066Sahrens * don't have to worry about error semantics. 1074fa9e4066Sahrens */ 1075fa9e4066Sahrens int 107699653d4eSeschrock zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, 10770a48a24eStimh nvlist_t *props, nvlist_t *fsprops) 1078fa9e4066Sahrens { 1079fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 10800a48a24eStimh nvlist_t *zc_fsprops = NULL; 10810a48a24eStimh nvlist_t *zc_props = NULL; 108299653d4eSeschrock char msg[1024]; 1083990b4856Slling char *altroot; 10840a48a24eStimh int ret = -1; 1085fa9e4066Sahrens 108699653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 108799653d4eSeschrock "cannot create '%s'"), pool); 1088fa9e4066Sahrens 108999653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, pool)) 109099653d4eSeschrock return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 1091fa9e4066Sahrens 1092351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 1093990b4856Slling return (-1); 1094fa9e4066Sahrens 10950a48a24eStimh if (props) { 1096f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; 1097f9af39baSGeorge Wilson 10980a48a24eStimh if ((zc_props = zpool_valid_proplist(hdl, pool, props, 1099f9af39baSGeorge Wilson SPA_VERSION_1, flags, msg)) == NULL) { 11000a48a24eStimh goto create_failed; 11010a48a24eStimh } 11020a48a24eStimh } 110399653d4eSeschrock 11040a48a24eStimh if (fsprops) { 11050a48a24eStimh uint64_t zoned; 11060a48a24eStimh char *zonestr; 11070a48a24eStimh 11080a48a24eStimh zoned = ((nvlist_lookup_string(fsprops, 11090a48a24eStimh zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && 11100a48a24eStimh strcmp(zonestr, "on") == 0); 11110a48a24eStimh 11120a48a24eStimh if ((zc_fsprops = zfs_valid_proplist(hdl, 11130a48a24eStimh ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { 11140a48a24eStimh goto create_failed; 11150a48a24eStimh } 11160a48a24eStimh if (!zc_props && 11170a48a24eStimh (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { 11180a48a24eStimh goto create_failed; 11190a48a24eStimh } 11200a48a24eStimh if (nvlist_add_nvlist(zc_props, 11210a48a24eStimh ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { 11220a48a24eStimh goto create_failed; 11230a48a24eStimh } 1124351420b3Slling } 1125fa9e4066Sahrens 11260a48a24eStimh if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 11270a48a24eStimh goto create_failed; 11280a48a24eStimh 1129990b4856Slling (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); 1130fa9e4066Sahrens 11310a48a24eStimh if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { 1132351420b3Slling 1133e9dbad6fSeschrock zcmd_free_nvlists(&zc); 11340a48a24eStimh nvlist_free(zc_props); 11350a48a24eStimh nvlist_free(zc_fsprops); 1136fa9e4066Sahrens 113799653d4eSeschrock switch (errno) { 1138fa9e4066Sahrens case EBUSY: 1139fa9e4066Sahrens /* 1140fa9e4066Sahrens * This can happen if the user has specified the same 1141fa9e4066Sahrens * device multiple times. We can't reliably detect this 1142fa9e4066Sahrens * until we try to add it and see we already have a 1143fa9e4066Sahrens * label. 1144fa9e4066Sahrens */ 114599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 114699653d4eSeschrock "one or more vdevs refer to the same device")); 114799653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1148fa9e4066Sahrens 1149fa9e4066Sahrens case EOVERFLOW: 1150fa9e4066Sahrens /* 115199653d4eSeschrock * This occurs when one of the devices is below 1152fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1153fa9e4066Sahrens * device was the problem device since there's no 1154fa9e4066Sahrens * reliable way to determine device size from userland. 1155fa9e4066Sahrens */ 1156fa9e4066Sahrens { 1157fa9e4066Sahrens char buf[64]; 1158fa9e4066Sahrens 1159fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1160fa9e4066Sahrens 116199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 116299653d4eSeschrock "one or more devices is less than the " 116399653d4eSeschrock "minimum size (%s)"), buf); 1164fa9e4066Sahrens } 116599653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1166fa9e4066Sahrens 1167fa9e4066Sahrens case ENOSPC: 116899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 116999653d4eSeschrock "one or more devices is out of space")); 117099653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1171fa9e4066Sahrens 1172fa94a07fSbrendan case ENOTBLK: 1173fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1174fa94a07fSbrendan "cache device must be a disk or disk slice")); 1175fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADDEV, msg)); 1176fa94a07fSbrendan 1177fa9e4066Sahrens default: 117899653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1179fa9e4066Sahrens } 1180fa9e4066Sahrens } 1181fa9e4066Sahrens 1182fa9e4066Sahrens /* 1183fa9e4066Sahrens * If this is an alternate root pool, then we automatically set the 1184e9dbad6fSeschrock * mountpoint of the root dataset to be '/'. 1185fa9e4066Sahrens */ 1186990b4856Slling if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), 1187990b4856Slling &altroot) == 0) { 1188fa9e4066Sahrens zfs_handle_t *zhp; 1189fa9e4066Sahrens 1190990b4856Slling verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); 1191e9dbad6fSeschrock verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 1192e9dbad6fSeschrock "/") == 0); 1193fa9e4066Sahrens 1194fa9e4066Sahrens zfs_close(zhp); 1195fa9e4066Sahrens } 1196fa9e4066Sahrens 11970a48a24eStimh create_failed: 1198351420b3Slling zcmd_free_nvlists(&zc); 11990a48a24eStimh nvlist_free(zc_props); 12000a48a24eStimh nvlist_free(zc_fsprops); 12010a48a24eStimh return (ret); 1202fa9e4066Sahrens } 1203fa9e4066Sahrens 1204fa9e4066Sahrens /* 1205fa9e4066Sahrens * Destroy the given pool. It is up to the caller to ensure that there are no 1206fa9e4066Sahrens * datasets left in the pool. 1207fa9e4066Sahrens */ 1208fa9e4066Sahrens int 1209*4445fffbSMatthew Ahrens zpool_destroy(zpool_handle_t *zhp, const char *log_str) 1210fa9e4066Sahrens { 1211fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1212fa9e4066Sahrens zfs_handle_t *zfp = NULL; 121399653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 121499653d4eSeschrock char msg[1024]; 1215fa9e4066Sahrens 1216fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_ACTIVE && 1217cb04b873SMark J Musante (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) 1218fa9e4066Sahrens return (-1); 1219fa9e4066Sahrens 1220fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1221*4445fffbSMatthew Ahrens zc.zc_history = (uint64_t)(uintptr_t)log_str; 1222fa9e4066Sahrens 1223cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { 122499653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 122599653d4eSeschrock "cannot destroy '%s'"), zhp->zpool_name); 1226fa9e4066Sahrens 122799653d4eSeschrock if (errno == EROFS) { 122899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 122999653d4eSeschrock "one or more devices is read only")); 123099653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 123199653d4eSeschrock } else { 123299653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1233fa9e4066Sahrens } 1234fa9e4066Sahrens 1235fa9e4066Sahrens if (zfp) 1236fa9e4066Sahrens zfs_close(zfp); 1237fa9e4066Sahrens return (-1); 1238fa9e4066Sahrens } 1239fa9e4066Sahrens 1240fa9e4066Sahrens if (zfp) { 1241fa9e4066Sahrens remove_mountpoint(zfp); 1242fa9e4066Sahrens zfs_close(zfp); 1243fa9e4066Sahrens } 1244fa9e4066Sahrens 1245fa9e4066Sahrens return (0); 1246fa9e4066Sahrens } 1247fa9e4066Sahrens 1248fa9e4066Sahrens /* 1249fa9e4066Sahrens * Add the given vdevs to the pool. The caller must have already performed the 1250fa9e4066Sahrens * necessary verification to ensure that the vdev specification is well-formed. 1251fa9e4066Sahrens */ 1252fa9e4066Sahrens int 1253fa9e4066Sahrens zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) 1254fa9e4066Sahrens { 1255e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 125699653d4eSeschrock int ret; 125799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 125899653d4eSeschrock char msg[1024]; 1259fa94a07fSbrendan nvlist_t **spares, **l2cache; 1260fa94a07fSbrendan uint_t nspares, nl2cache; 126199653d4eSeschrock 126299653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 126399653d4eSeschrock "cannot add to '%s'"), zhp->zpool_name); 126499653d4eSeschrock 1265fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1266fa94a07fSbrendan SPA_VERSION_SPARES && 126799653d4eSeschrock nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 126899653d4eSeschrock &spares, &nspares) == 0) { 126999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 127099653d4eSeschrock "upgraded to add hot spares")); 127199653d4eSeschrock return (zfs_error(hdl, EZFS_BADVERSION, msg)); 127299653d4eSeschrock } 1273fa9e4066Sahrens 12744263d13fSGeorge Wilson if (zpool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, 1275b5b76fecSGeorge Wilson ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { 1276b5b76fecSGeorge Wilson uint64_t s; 1277b5b76fecSGeorge Wilson 1278b5b76fecSGeorge Wilson for (s = 0; s < nspares; s++) { 1279b5b76fecSGeorge Wilson char *path; 1280b5b76fecSGeorge Wilson 1281b5b76fecSGeorge Wilson if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, 1282b5b76fecSGeorge Wilson &path) == 0 && pool_uses_efi(spares[s])) { 1283b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1284b5b76fecSGeorge Wilson "device '%s' contains an EFI label and " 1285b5b76fecSGeorge Wilson "cannot be used on root pools."), 128688ecc943SGeorge Wilson zpool_vdev_name(hdl, NULL, spares[s], 128788ecc943SGeorge Wilson B_FALSE)); 1288b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); 1289b5b76fecSGeorge Wilson } 1290b5b76fecSGeorge Wilson } 1291b5b76fecSGeorge Wilson } 1292b5b76fecSGeorge Wilson 1293fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1294fa94a07fSbrendan SPA_VERSION_L2CACHE && 1295fa94a07fSbrendan nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 1296fa94a07fSbrendan &l2cache, &nl2cache) == 0) { 1297fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 1298fa94a07fSbrendan "upgraded to add cache devices")); 1299fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADVERSION, msg)); 1300fa94a07fSbrendan } 1301fa94a07fSbrendan 1302990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 130399653d4eSeschrock return (-1); 1304fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1305fa9e4066Sahrens 1306cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { 1307fa9e4066Sahrens switch (errno) { 1308fa9e4066Sahrens case EBUSY: 1309fa9e4066Sahrens /* 1310fa9e4066Sahrens * This can happen if the user has specified the same 1311fa9e4066Sahrens * device multiple times. We can't reliably detect this 1312fa9e4066Sahrens * until we try to add it and see we already have a 1313fa9e4066Sahrens * label. 1314fa9e4066Sahrens */ 131599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 131699653d4eSeschrock "one or more vdevs refer to the same device")); 131799653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1318fa9e4066Sahrens break; 1319fa9e4066Sahrens 1320fa9e4066Sahrens case EOVERFLOW: 1321fa9e4066Sahrens /* 1322fa9e4066Sahrens * This occurrs when one of the devices is below 1323fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1324fa9e4066Sahrens * device was the problem device since there's no 1325fa9e4066Sahrens * reliable way to determine device size from userland. 1326fa9e4066Sahrens */ 1327fa9e4066Sahrens { 1328fa9e4066Sahrens char buf[64]; 1329fa9e4066Sahrens 1330fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1331fa9e4066Sahrens 133299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 133399653d4eSeschrock "device is less than the minimum " 133499653d4eSeschrock "size (%s)"), buf); 1335fa9e4066Sahrens } 133699653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 133799653d4eSeschrock break; 133899653d4eSeschrock 133999653d4eSeschrock case ENOTSUP: 134099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 13418654d025Sperrin "pool must be upgraded to add these vdevs")); 134299653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, msg); 1343fa9e4066Sahrens break; 1344fa9e4066Sahrens 1345b1b8ab34Slling case EDOM: 1346b1b8ab34Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 13478654d025Sperrin "root pool can not have multiple vdevs" 13488654d025Sperrin " or separate logs")); 1349b1b8ab34Slling (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); 1350b1b8ab34Slling break; 1351b1b8ab34Slling 1352fa94a07fSbrendan case ENOTBLK: 1353fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1354fa94a07fSbrendan "cache device must be a disk or disk slice")); 1355fa94a07fSbrendan (void) zfs_error(hdl, EZFS_BADDEV, msg); 1356fa94a07fSbrendan break; 1357fa94a07fSbrendan 1358fa9e4066Sahrens default: 135999653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1360fa9e4066Sahrens } 1361fa9e4066Sahrens 136299653d4eSeschrock ret = -1; 136399653d4eSeschrock } else { 136499653d4eSeschrock ret = 0; 1365fa9e4066Sahrens } 1366fa9e4066Sahrens 1367e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1368fa9e4066Sahrens 136999653d4eSeschrock return (ret); 1370fa9e4066Sahrens } 1371fa9e4066Sahrens 1372fa9e4066Sahrens /* 1373fa9e4066Sahrens * Exports the pool from the system. The caller must ensure that there are no 1374fa9e4066Sahrens * mounted datasets in the pool. 1375fa9e4066Sahrens */ 1376*4445fffbSMatthew Ahrens static int 1377*4445fffbSMatthew Ahrens zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce, 1378*4445fffbSMatthew Ahrens const char *log_str) 1379fa9e4066Sahrens { 1380fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 138189a89ebfSlling char msg[1024]; 1382fa9e4066Sahrens 138389a89ebfSlling (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 138489a89ebfSlling "cannot export '%s'"), zhp->zpool_name); 138589a89ebfSlling 1386fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 138789a89ebfSlling zc.zc_cookie = force; 1388394ab0cbSGeorge Wilson zc.zc_guid = hardforce; 1389*4445fffbSMatthew Ahrens zc.zc_history = (uint64_t)(uintptr_t)log_str; 139089a89ebfSlling 139189a89ebfSlling if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { 139289a89ebfSlling switch (errno) { 139389a89ebfSlling case EXDEV: 139489a89ebfSlling zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, 139589a89ebfSlling "use '-f' to override the following errors:\n" 139689a89ebfSlling "'%s' has an active shared spare which could be" 139789a89ebfSlling " used by other pools once '%s' is exported."), 139889a89ebfSlling zhp->zpool_name, zhp->zpool_name); 139989a89ebfSlling return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, 140089a89ebfSlling msg)); 140189a89ebfSlling default: 140289a89ebfSlling return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, 140389a89ebfSlling msg)); 140489a89ebfSlling } 140589a89ebfSlling } 1406fa9e4066Sahrens 1407fa9e4066Sahrens return (0); 1408fa9e4066Sahrens } 1409fa9e4066Sahrens 1410394ab0cbSGeorge Wilson int 1411*4445fffbSMatthew Ahrens zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str) 1412394ab0cbSGeorge Wilson { 1413*4445fffbSMatthew Ahrens return (zpool_export_common(zhp, force, B_FALSE, log_str)); 1414394ab0cbSGeorge Wilson } 1415394ab0cbSGeorge Wilson 1416394ab0cbSGeorge Wilson int 1417*4445fffbSMatthew Ahrens zpool_export_force(zpool_handle_t *zhp, const char *log_str) 1418394ab0cbSGeorge Wilson { 1419*4445fffbSMatthew Ahrens return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str)); 1420394ab0cbSGeorge Wilson } 1421394ab0cbSGeorge Wilson 1422468c413aSTim Haley static void 1423468c413aSTim Haley zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, 14244b964adaSGeorge Wilson nvlist_t *config) 1425468c413aSTim Haley { 14264b964adaSGeorge Wilson nvlist_t *nv = NULL; 1427468c413aSTim Haley uint64_t rewindto; 1428468c413aSTim Haley int64_t loss = -1; 1429468c413aSTim Haley struct tm t; 1430468c413aSTim Haley char timestr[128]; 1431468c413aSTim Haley 14324b964adaSGeorge Wilson if (!hdl->libzfs_printerr || config == NULL) 14334b964adaSGeorge Wilson return; 14344b964adaSGeorge Wilson 1435ad135b5dSChristopher Siden if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 1436ad135b5dSChristopher Siden nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) { 1437468c413aSTim Haley return; 1438ad135b5dSChristopher Siden } 1439468c413aSTim Haley 14404b964adaSGeorge Wilson if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1441468c413aSTim Haley return; 14424b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 1443468c413aSTim Haley 1444468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1445468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1446468c413aSTim Haley if (dryrun) { 1447468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1448468c413aSTim Haley "Would be able to return %s " 1449468c413aSTim Haley "to its state as of %s.\n"), 1450468c413aSTim Haley name, timestr); 1451468c413aSTim Haley } else { 1452468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1453468c413aSTim Haley "Pool %s returned to its state as of %s.\n"), 1454468c413aSTim Haley name, timestr); 1455468c413aSTim Haley } 1456468c413aSTim Haley if (loss > 120) { 1457468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1458468c413aSTim Haley "%s approximately %lld "), 1459468c413aSTim Haley dryrun ? "Would discard" : "Discarded", 1460468c413aSTim Haley (loss + 30) / 60); 1461468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1462468c413aSTim Haley "minutes of transactions.\n")); 1463468c413aSTim Haley } else if (loss > 0) { 1464468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1465468c413aSTim Haley "%s approximately %lld "), 1466468c413aSTim Haley dryrun ? "Would discard" : "Discarded", loss); 1467468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1468468c413aSTim Haley "seconds of transactions.\n")); 1469468c413aSTim Haley } 1470468c413aSTim Haley } 1471468c413aSTim Haley } 1472468c413aSTim Haley 1473468c413aSTim Haley void 1474468c413aSTim Haley zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, 1475468c413aSTim Haley nvlist_t *config) 1476468c413aSTim Haley { 14774b964adaSGeorge Wilson nvlist_t *nv = NULL; 1478468c413aSTim Haley int64_t loss = -1; 1479468c413aSTim Haley uint64_t edata = UINT64_MAX; 1480468c413aSTim Haley uint64_t rewindto; 1481468c413aSTim Haley struct tm t; 1482468c413aSTim Haley char timestr[128]; 1483468c413aSTim Haley 1484468c413aSTim Haley if (!hdl->libzfs_printerr) 1485468c413aSTim Haley return; 1486468c413aSTim Haley 1487468c413aSTim Haley if (reason >= 0) 1488468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "action: ")); 1489468c413aSTim Haley else 1490468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "\t")); 1491468c413aSTim Haley 1492468c413aSTim Haley /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ 14934b964adaSGeorge Wilson if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 1494ad135b5dSChristopher Siden nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 || 14954b964adaSGeorge Wilson nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1496468c413aSTim Haley goto no_info; 1497468c413aSTim Haley 14984b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 14994b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, 1500468c413aSTim Haley &edata); 1501468c413aSTim Haley 1502468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1503468c413aSTim Haley "Recovery is possible, but will result in some data loss.\n")); 1504468c413aSTim Haley 1505468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1506468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1507468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1508468c413aSTim Haley "\tReturning the pool to its state as of %s\n" 1509468c413aSTim Haley "\tshould correct the problem. "), 1510468c413aSTim Haley timestr); 1511468c413aSTim Haley } else { 1512468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1513468c413aSTim Haley "\tReverting the pool to an earlier state " 1514468c413aSTim Haley "should correct the problem.\n\t")); 1515468c413aSTim Haley } 1516468c413aSTim Haley 1517468c413aSTim Haley if (loss > 120) { 1518468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1519468c413aSTim Haley "Approximately %lld minutes of data\n" 1520468c413aSTim Haley "\tmust be discarded, irreversibly. "), (loss + 30) / 60); 1521468c413aSTim Haley } else if (loss > 0) { 1522468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1523468c413aSTim Haley "Approximately %lld seconds of data\n" 1524468c413aSTim Haley "\tmust be discarded, irreversibly. "), loss); 1525468c413aSTim Haley } 1526468c413aSTim Haley if (edata != 0 && edata != UINT64_MAX) { 1527468c413aSTim Haley if (edata == 1) { 1528468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1529468c413aSTim Haley "After rewind, at least\n" 1530468c413aSTim Haley "\tone persistent user-data error will remain. ")); 1531468c413aSTim Haley } else { 1532468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1533468c413aSTim Haley "After rewind, several\n" 1534468c413aSTim Haley "\tpersistent user-data errors will remain. ")); 1535468c413aSTim Haley } 1536468c413aSTim Haley } 1537468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1538a33cae98STim Haley "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), 1539a33cae98STim Haley reason >= 0 ? "clear" : "import", name); 1540468c413aSTim Haley 1541468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1542468c413aSTim Haley "A scrub of the pool\n" 1543468c413aSTim Haley "\tis strongly recommended after recovery.\n")); 1544468c413aSTim Haley return; 1545468c413aSTim Haley 1546468c413aSTim Haley no_info: 1547468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1548468c413aSTim Haley "Destroy and re-create the pool from\n\ta backup source.\n")); 1549468c413aSTim Haley } 1550468c413aSTim Haley 1551fa9e4066Sahrens /* 1552990b4856Slling * zpool_import() is a contracted interface. Should be kept the same 1553990b4856Slling * if possible. 1554990b4856Slling * 1555990b4856Slling * Applications should use zpool_import_props() to import a pool with 1556990b4856Slling * new properties value to be set. 1557fa9e4066Sahrens */ 1558fa9e4066Sahrens int 155999653d4eSeschrock zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 1560990b4856Slling char *altroot) 1561990b4856Slling { 1562990b4856Slling nvlist_t *props = NULL; 1563990b4856Slling int ret; 1564990b4856Slling 1565990b4856Slling if (altroot != NULL) { 1566990b4856Slling if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { 1567990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1568990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1569990b4856Slling newname)); 1570990b4856Slling } 1571990b4856Slling 1572990b4856Slling if (nvlist_add_string(props, 1573352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || 1574352d8027SGeorge Wilson nvlist_add_string(props, 1575352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { 1576990b4856Slling nvlist_free(props); 1577990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1578990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1579990b4856Slling newname)); 1580990b4856Slling } 1581990b4856Slling } 1582990b4856Slling 15834b964adaSGeorge Wilson ret = zpool_import_props(hdl, config, newname, props, 15844b964adaSGeorge Wilson ZFS_IMPORT_NORMAL); 1585990b4856Slling if (props) 1586990b4856Slling nvlist_free(props); 1587990b4856Slling return (ret); 1588990b4856Slling } 1589990b4856Slling 15904b964adaSGeorge Wilson static void 15914b964adaSGeorge Wilson print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, 15924b964adaSGeorge Wilson int indent) 15934b964adaSGeorge Wilson { 15944b964adaSGeorge Wilson nvlist_t **child; 15954b964adaSGeorge Wilson uint_t c, children; 15964b964adaSGeorge Wilson char *vname; 15974b964adaSGeorge Wilson uint64_t is_log = 0; 15984b964adaSGeorge Wilson 15994b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, 16004b964adaSGeorge Wilson &is_log); 16014b964adaSGeorge Wilson 16024b964adaSGeorge Wilson if (name != NULL) 16034b964adaSGeorge Wilson (void) printf("\t%*s%s%s\n", indent, "", name, 16044b964adaSGeorge Wilson is_log ? " [log]" : ""); 16054b964adaSGeorge Wilson 16064b964adaSGeorge Wilson if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 16074b964adaSGeorge Wilson &child, &children) != 0) 16084b964adaSGeorge Wilson return; 16094b964adaSGeorge Wilson 16104b964adaSGeorge Wilson for (c = 0; c < children; c++) { 16114b964adaSGeorge Wilson vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); 16124b964adaSGeorge Wilson print_vdev_tree(hdl, vname, child[c], indent + 2); 16134b964adaSGeorge Wilson free(vname); 16144b964adaSGeorge Wilson } 16154b964adaSGeorge Wilson } 16164b964adaSGeorge Wilson 1617ad135b5dSChristopher Siden void 1618ad135b5dSChristopher Siden zpool_print_unsup_feat(nvlist_t *config) 1619ad135b5dSChristopher Siden { 1620ad135b5dSChristopher Siden nvlist_t *nvinfo, *unsup_feat; 1621ad135b5dSChristopher Siden 1622ad135b5dSChristopher Siden verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 1623ad135b5dSChristopher Siden 0); 1624ad135b5dSChristopher Siden verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT, 1625ad135b5dSChristopher Siden &unsup_feat) == 0); 1626ad135b5dSChristopher Siden 1627ad135b5dSChristopher Siden for (nvpair_t *nvp = nvlist_next_nvpair(unsup_feat, NULL); nvp != NULL; 1628ad135b5dSChristopher Siden nvp = nvlist_next_nvpair(unsup_feat, nvp)) { 1629ad135b5dSChristopher Siden char *desc; 1630ad135b5dSChristopher Siden 1631ad135b5dSChristopher Siden verify(nvpair_type(nvp) == DATA_TYPE_STRING); 1632ad135b5dSChristopher Siden verify(nvpair_value_string(nvp, &desc) == 0); 1633ad135b5dSChristopher Siden 1634ad135b5dSChristopher Siden if (strlen(desc) > 0) 1635ad135b5dSChristopher Siden (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc); 1636ad135b5dSChristopher Siden else 1637ad135b5dSChristopher Siden (void) printf("\t%s\n", nvpair_name(nvp)); 1638ad135b5dSChristopher Siden } 1639ad135b5dSChristopher Siden } 1640ad135b5dSChristopher Siden 1641990b4856Slling /* 1642990b4856Slling * Import the given pool using the known configuration and a list of 1643990b4856Slling * properties to be set. The configuration should have come from 1644990b4856Slling * zpool_find_import(). The 'newname' parameters control whether the pool 1645990b4856Slling * is imported with a different name. 1646990b4856Slling */ 1647990b4856Slling int 1648990b4856Slling zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 16494b964adaSGeorge Wilson nvlist_t *props, int flags) 1650fa9e4066Sahrens { 1651e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 1652468c413aSTim Haley zpool_rewind_policy_t policy; 16534b964adaSGeorge Wilson nvlist_t *nv = NULL; 16544b964adaSGeorge Wilson nvlist_t *nvinfo = NULL; 16554b964adaSGeorge Wilson nvlist_t *missing = NULL; 1656fa9e4066Sahrens char *thename; 1657fa9e4066Sahrens char *origname; 1658fa9e4066Sahrens int ret; 16594b964adaSGeorge Wilson int error = 0; 1660990b4856Slling char errbuf[1024]; 1661fa9e4066Sahrens 1662fa9e4066Sahrens verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1663fa9e4066Sahrens &origname) == 0); 1664fa9e4066Sahrens 1665990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 1666990b4856Slling "cannot import pool '%s'"), origname); 1667990b4856Slling 1668fa9e4066Sahrens if (newname != NULL) { 166999653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, newname)) 1670ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, 167199653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot import '%s'"), 167299653d4eSeschrock newname)); 1673fa9e4066Sahrens thename = (char *)newname; 1674fa9e4066Sahrens } else { 1675fa9e4066Sahrens thename = origname; 1676fa9e4066Sahrens } 1677fa9e4066Sahrens 1678990b4856Slling if (props) { 1679990b4856Slling uint64_t version; 1680f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 1681fa9e4066Sahrens 1682990b4856Slling verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 1683990b4856Slling &version) == 0); 1684fa9e4066Sahrens 16850a48a24eStimh if ((props = zpool_valid_proplist(hdl, origname, 1686f9af39baSGeorge Wilson props, version, flags, errbuf)) == NULL) { 1687990b4856Slling return (-1); 1688351420b3Slling } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { 1689351420b3Slling nvlist_free(props); 1690990b4856Slling return (-1); 1691351420b3Slling } 1692990b4856Slling } 1693990b4856Slling 1694990b4856Slling (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); 1695fa9e4066Sahrens 1696fa9e4066Sahrens verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1697ea8dc4b6Seschrock &zc.zc_guid) == 0); 1698fa9e4066Sahrens 1699351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { 1700351420b3Slling nvlist_free(props); 170199653d4eSeschrock return (-1); 1702351420b3Slling } 170357f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { 1704468c413aSTim Haley nvlist_free(props); 1705468c413aSTim Haley return (-1); 1706468c413aSTim Haley } 1707fa9e4066Sahrens 17084b964adaSGeorge Wilson zc.zc_cookie = flags; 17094b964adaSGeorge Wilson while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && 17104b964adaSGeorge Wilson errno == ENOMEM) { 17114b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 17124b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 17134b964adaSGeorge Wilson return (-1); 17144b964adaSGeorge Wilson } 17154b964adaSGeorge Wilson } 17164b964adaSGeorge Wilson if (ret != 0) 17174b964adaSGeorge Wilson error = errno; 17184b964adaSGeorge Wilson 17194b964adaSGeorge Wilson (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); 17204b964adaSGeorge Wilson zpool_get_rewind_policy(config, &policy); 17214b964adaSGeorge Wilson 17224b964adaSGeorge Wilson if (error) { 1723fa9e4066Sahrens char desc[1024]; 1724468c413aSTim Haley 1725468c413aSTim Haley /* 1726468c413aSTim Haley * Dry-run failed, but we print out what success 1727468c413aSTim Haley * looks like if we found a best txg 1728468c413aSTim Haley */ 17294b964adaSGeorge Wilson if (policy.zrp_request & ZPOOL_TRY_REWIND) { 1730468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 17314b964adaSGeorge Wilson B_TRUE, nv); 17324b964adaSGeorge Wilson nvlist_free(nv); 1733468c413aSTim Haley return (-1); 1734468c413aSTim Haley } 1735468c413aSTim Haley 1736fa9e4066Sahrens if (newname == NULL) 1737fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1738fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1739fa9e4066Sahrens thename); 1740fa9e4066Sahrens else 1741fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1742fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), 1743fa9e4066Sahrens origname, thename); 1744fa9e4066Sahrens 17454b964adaSGeorge Wilson switch (error) { 1746ea8dc4b6Seschrock case ENOTSUP: 1747ad135b5dSChristopher Siden if (nv != NULL && nvlist_lookup_nvlist(nv, 1748ad135b5dSChristopher Siden ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 1749ad135b5dSChristopher Siden nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) { 1750ad135b5dSChristopher Siden (void) printf(dgettext(TEXT_DOMAIN, "This " 1751ad135b5dSChristopher Siden "pool uses the following feature(s) not " 1752ad135b5dSChristopher Siden "supported by this system:\n")); 1753ad135b5dSChristopher Siden zpool_print_unsup_feat(nv); 1754ad135b5dSChristopher Siden if (nvlist_exists(nvinfo, 1755ad135b5dSChristopher Siden ZPOOL_CONFIG_CAN_RDONLY)) { 1756ad135b5dSChristopher Siden (void) printf(dgettext(TEXT_DOMAIN, 1757ad135b5dSChristopher Siden "All unsupported features are only " 1758ad135b5dSChristopher Siden "required for writing to the pool." 1759ad135b5dSChristopher Siden "\nThe pool can be imported using " 1760ad135b5dSChristopher Siden "'-o readonly=on'.\n")); 1761ad135b5dSChristopher Siden } 1762ad135b5dSChristopher Siden } 1763ea8dc4b6Seschrock /* 1764ea8dc4b6Seschrock * Unsupported version. 1765ea8dc4b6Seschrock */ 176699653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, desc); 1767ea8dc4b6Seschrock break; 1768ea8dc4b6Seschrock 1769b5989ec7Seschrock case EINVAL: 1770b5989ec7Seschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); 1771b5989ec7Seschrock break; 1772b5989ec7Seschrock 177354a91118SChris Kirby case EROFS: 177454a91118SChris Kirby zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 177554a91118SChris Kirby "one or more devices is read only")); 177654a91118SChris Kirby (void) zfs_error(hdl, EZFS_BADDEV, desc); 177754a91118SChris Kirby break; 177854a91118SChris Kirby 17794b964adaSGeorge Wilson case ENXIO: 17804b964adaSGeorge Wilson if (nv && nvlist_lookup_nvlist(nv, 17814b964adaSGeorge Wilson ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 17824b964adaSGeorge Wilson nvlist_lookup_nvlist(nvinfo, 17834b964adaSGeorge Wilson ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { 17844b964adaSGeorge Wilson (void) printf(dgettext(TEXT_DOMAIN, 17854b964adaSGeorge Wilson "The devices below are missing, use " 17864b964adaSGeorge Wilson "'-m' to import the pool anyway:\n")); 17874b964adaSGeorge Wilson print_vdev_tree(hdl, NULL, missing, 2); 17884b964adaSGeorge Wilson (void) printf("\n"); 17894b964adaSGeorge Wilson } 17904b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 17914b964adaSGeorge Wilson break; 17924b964adaSGeorge Wilson 17934b964adaSGeorge Wilson case EEXIST: 17944b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 17954b964adaSGeorge Wilson break; 17964b964adaSGeorge Wilson 1797fa9e4066Sahrens default: 17984b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 1799468c413aSTim Haley zpool_explain_recover(hdl, 18004b964adaSGeorge Wilson newname ? origname : thename, -error, nv); 1801468c413aSTim Haley break; 1802fa9e4066Sahrens } 1803fa9e4066Sahrens 18044b964adaSGeorge Wilson nvlist_free(nv); 1805fa9e4066Sahrens ret = -1; 1806fa9e4066Sahrens } else { 1807fa9e4066Sahrens zpool_handle_t *zhp; 1808ecd6cf80Smarks 1809fa9e4066Sahrens /* 1810fa9e4066Sahrens * This should never fail, but play it safe anyway. 1811fa9e4066Sahrens */ 1812681d9761SEric Taylor if (zpool_open_silent(hdl, thename, &zhp) != 0) 181394de1d4cSeschrock ret = -1; 1814681d9761SEric Taylor else if (zhp != NULL) 1815fa9e4066Sahrens zpool_close(zhp); 1816468c413aSTim Haley if (policy.zrp_request & 1817468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 1818468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 18194b964adaSGeorge Wilson ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); 1820468c413aSTim Haley } 18214b964adaSGeorge Wilson nvlist_free(nv); 1822468c413aSTim Haley return (0); 1823fa9e4066Sahrens } 1824fa9e4066Sahrens 1825e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1826351420b3Slling nvlist_free(props); 1827351420b3Slling 1828fa9e4066Sahrens return (ret); 1829fa9e4066Sahrens } 1830fa9e4066Sahrens 1831fa9e4066Sahrens /* 18323f9d6ad7SLin Ling * Scan the pool. 1833fa9e4066Sahrens */ 1834fa9e4066Sahrens int 18353f9d6ad7SLin Ling zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) 1836fa9e4066Sahrens { 1837fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1838fa9e4066Sahrens char msg[1024]; 183999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1840fa9e4066Sahrens 1841fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 18423f9d6ad7SLin Ling zc.zc_cookie = func; 1843fa9e4066Sahrens 1844cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || 18453f9d6ad7SLin Ling (errno == ENOENT && func != POOL_SCAN_NONE)) 1846fa9e4066Sahrens return (0); 1847fa9e4066Sahrens 18483f9d6ad7SLin Ling if (func == POOL_SCAN_SCRUB) { 18493f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 18503f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); 18513f9d6ad7SLin Ling } else if (func == POOL_SCAN_NONE) { 18523f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 18533f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), 18543f9d6ad7SLin Ling zc.zc_name); 18553f9d6ad7SLin Ling } else { 18563f9d6ad7SLin Ling assert(!"unexpected result"); 18573f9d6ad7SLin Ling } 1858fa9e4066Sahrens 18593f9d6ad7SLin Ling if (errno == EBUSY) { 18603f9d6ad7SLin Ling nvlist_t *nvroot; 18613f9d6ad7SLin Ling pool_scan_stat_t *ps = NULL; 18623f9d6ad7SLin Ling uint_t psc; 18633f9d6ad7SLin Ling 18643f9d6ad7SLin Ling verify(nvlist_lookup_nvlist(zhp->zpool_config, 18653f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 18663f9d6ad7SLin Ling (void) nvlist_lookup_uint64_array(nvroot, 18673f9d6ad7SLin Ling ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); 18683f9d6ad7SLin Ling if (ps && ps->pss_func == POOL_SCAN_SCRUB) 18693f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_SCRUBBING, msg)); 18703f9d6ad7SLin Ling else 18713f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_RESILVERING, msg)); 18723f9d6ad7SLin Ling } else if (errno == ENOENT) { 18733f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); 18743f9d6ad7SLin Ling } else { 187599653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 18763f9d6ad7SLin Ling } 1877fa9e4066Sahrens } 1878fa9e4066Sahrens 18793fdda499SJohn Harres /* 18803fdda499SJohn Harres * This provides a very minimal check whether a given string is likely a 18813fdda499SJohn Harres * c#t#d# style string. Users of this are expected to do their own 18823fdda499SJohn Harres * verification of the s# part. 18833fdda499SJohn Harres */ 18843fdda499SJohn Harres #define CTD_CHECK(str) (str && str[0] == 'c' && isdigit(str[1])) 18853fdda499SJohn Harres 18863fdda499SJohn Harres /* 18873fdda499SJohn Harres * More elaborate version for ones which may start with "/dev/dsk/" 18883fdda499SJohn Harres * and the like. 18893fdda499SJohn Harres */ 18903fdda499SJohn Harres static int 18913fdda499SJohn Harres ctd_check_path(char *str) { 18923fdda499SJohn Harres /* 18933fdda499SJohn Harres * If it starts with a slash, check the last component. 18943fdda499SJohn Harres */ 18953fdda499SJohn Harres if (str && str[0] == '/') { 18963fdda499SJohn Harres char *tmp = strrchr(str, '/'); 18973fdda499SJohn Harres 18983fdda499SJohn Harres /* 18993fdda499SJohn Harres * If it ends in "/old", check the second-to-last 19003fdda499SJohn Harres * component of the string instead. 19013fdda499SJohn Harres */ 19023fdda499SJohn Harres if (tmp != str && strcmp(tmp, "/old") == 0) { 19033fdda499SJohn Harres for (tmp--; *tmp != '/'; tmp--) 19043fdda499SJohn Harres ; 19053fdda499SJohn Harres } 19063fdda499SJohn Harres str = tmp + 1; 19073fdda499SJohn Harres } 19083fdda499SJohn Harres return (CTD_CHECK(str)); 19093fdda499SJohn Harres } 19103fdda499SJohn Harres 1911a43d325bSek /* 1912573ca77eSGeorge Wilson * Find a vdev that matches the search criteria specified. We use the 1913573ca77eSGeorge Wilson * the nvpair name to determine how we should look for the device. 1914a43d325bSek * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL 1915a43d325bSek * spare; but FALSE if its an INUSE spare. 1916a43d325bSek */ 191799653d4eSeschrock static nvlist_t * 1918573ca77eSGeorge Wilson vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, 1919573ca77eSGeorge Wilson boolean_t *l2cache, boolean_t *log) 1920ea8dc4b6Seschrock { 1921ea8dc4b6Seschrock uint_t c, children; 1922ea8dc4b6Seschrock nvlist_t **child; 192399653d4eSeschrock nvlist_t *ret; 1924ee0eb9f2SEric Schrock uint64_t is_log; 1925573ca77eSGeorge Wilson char *srchkey; 1926573ca77eSGeorge Wilson nvpair_t *pair = nvlist_next_nvpair(search, NULL); 1927573ca77eSGeorge Wilson 1928573ca77eSGeorge Wilson /* Nothing to look for */ 1929573ca77eSGeorge Wilson if (search == NULL || pair == NULL) 1930573ca77eSGeorge Wilson return (NULL); 1931ea8dc4b6Seschrock 1932573ca77eSGeorge Wilson /* Obtain the key we will use to search */ 1933573ca77eSGeorge Wilson srchkey = nvpair_name(pair); 1934573ca77eSGeorge Wilson 1935573ca77eSGeorge Wilson switch (nvpair_type(pair)) { 1936cb04b873SMark J Musante case DATA_TYPE_UINT64: 1937573ca77eSGeorge Wilson if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { 1938cb04b873SMark J Musante uint64_t srchval, theguid; 1939cb04b873SMark J Musante 1940cb04b873SMark J Musante verify(nvpair_value_uint64(pair, &srchval) == 0); 1941cb04b873SMark J Musante verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1942cb04b873SMark J Musante &theguid) == 0); 1943cb04b873SMark J Musante if (theguid == srchval) 1944cb04b873SMark J Musante return (nv); 1945573ca77eSGeorge Wilson } 1946573ca77eSGeorge Wilson break; 1947573ca77eSGeorge Wilson 1948573ca77eSGeorge Wilson case DATA_TYPE_STRING: { 1949573ca77eSGeorge Wilson char *srchval, *val; 1950573ca77eSGeorge Wilson 1951573ca77eSGeorge Wilson verify(nvpair_value_string(pair, &srchval) == 0); 1952573ca77eSGeorge Wilson if (nvlist_lookup_string(nv, srchkey, &val) != 0) 1953573ca77eSGeorge Wilson break; 1954ea8dc4b6Seschrock 1955ea8dc4b6Seschrock /* 19563fdda499SJohn Harres * Search for the requested value. Special cases: 19573fdda499SJohn Harres * 19583fdda499SJohn Harres * - ZPOOL_CONFIG_PATH for whole disk entries. These end in 19593fdda499SJohn Harres * "s0" or "s0/old". The "s0" part is hidden from the user, 19603fdda499SJohn Harres * but included in the string, so this matches around it. 19613fdda499SJohn Harres * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). 19623fdda499SJohn Harres * 196388ecc943SGeorge Wilson * Otherwise, all other searches are simple string compares. 1964ea8dc4b6Seschrock */ 19653fdda499SJohn Harres if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 && 19663fdda499SJohn Harres ctd_check_path(val)) { 1967573ca77eSGeorge Wilson uint64_t wholedisk = 0; 1968573ca77eSGeorge Wilson 1969573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 1970573ca77eSGeorge Wilson &wholedisk); 1971573ca77eSGeorge Wilson if (wholedisk) { 19723fdda499SJohn Harres int slen = strlen(srchval); 19733fdda499SJohn Harres int vlen = strlen(val); 19743fdda499SJohn Harres 19753fdda499SJohn Harres if (slen != vlen - 2) 19763fdda499SJohn Harres break; 19773fdda499SJohn Harres 19783fdda499SJohn Harres /* 19793fdda499SJohn Harres * make_leaf_vdev() should only set 19803fdda499SJohn Harres * wholedisk for ZPOOL_CONFIG_PATHs which 19813fdda499SJohn Harres * will include "/dev/dsk/", giving plenty of 19823fdda499SJohn Harres * room for the indices used next. 19833fdda499SJohn Harres */ 19843fdda499SJohn Harres ASSERT(vlen >= 6); 19853fdda499SJohn Harres 19863fdda499SJohn Harres /* 19873fdda499SJohn Harres * strings identical except trailing "s0" 19883fdda499SJohn Harres */ 19893fdda499SJohn Harres if (strcmp(&val[vlen - 2], "s0") == 0 && 19903fdda499SJohn Harres strncmp(srchval, val, slen) == 0) 19913fdda499SJohn Harres return (nv); 19923fdda499SJohn Harres 1993573ca77eSGeorge Wilson /* 19943fdda499SJohn Harres * strings identical except trailing "s0/old" 1995573ca77eSGeorge Wilson */ 19963fdda499SJohn Harres if (strcmp(&val[vlen - 6], "s0/old") == 0 && 19973fdda499SJohn Harres strcmp(&srchval[slen - 4], "/old") == 0 && 19983fdda499SJohn Harres strncmp(srchval, val, slen - 4) == 0) 1999573ca77eSGeorge Wilson return (nv); 20003fdda499SJohn Harres 2001573ca77eSGeorge Wilson break; 2002573ca77eSGeorge Wilson } 200388ecc943SGeorge Wilson } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { 200488ecc943SGeorge Wilson char *type, *idx, *end, *p; 200588ecc943SGeorge Wilson uint64_t id, vdev_id; 200688ecc943SGeorge Wilson 200788ecc943SGeorge Wilson /* 200888ecc943SGeorge Wilson * Determine our vdev type, keeping in mind 200988ecc943SGeorge Wilson * that the srchval is composed of a type and 201088ecc943SGeorge Wilson * vdev id pair (i.e. mirror-4). 201188ecc943SGeorge Wilson */ 201288ecc943SGeorge Wilson if ((type = strdup(srchval)) == NULL) 201388ecc943SGeorge Wilson return (NULL); 201488ecc943SGeorge Wilson 201588ecc943SGeorge Wilson if ((p = strrchr(type, '-')) == NULL) { 201688ecc943SGeorge Wilson free(type); 201788ecc943SGeorge Wilson break; 201888ecc943SGeorge Wilson } 201988ecc943SGeorge Wilson idx = p + 1; 202088ecc943SGeorge Wilson *p = '\0'; 202188ecc943SGeorge Wilson 202288ecc943SGeorge Wilson /* 202388ecc943SGeorge Wilson * If the types don't match then keep looking. 202488ecc943SGeorge Wilson */ 202588ecc943SGeorge Wilson if (strncmp(val, type, strlen(val)) != 0) { 202688ecc943SGeorge Wilson free(type); 202788ecc943SGeorge Wilson break; 202888ecc943SGeorge Wilson } 202988ecc943SGeorge Wilson 203088ecc943SGeorge Wilson verify(strncmp(type, VDEV_TYPE_RAIDZ, 203188ecc943SGeorge Wilson strlen(VDEV_TYPE_RAIDZ)) == 0 || 203288ecc943SGeorge Wilson strncmp(type, VDEV_TYPE_MIRROR, 203388ecc943SGeorge Wilson strlen(VDEV_TYPE_MIRROR)) == 0); 203488ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 203588ecc943SGeorge Wilson &id) == 0); 203688ecc943SGeorge Wilson 203788ecc943SGeorge Wilson errno = 0; 203888ecc943SGeorge Wilson vdev_id = strtoull(idx, &end, 10); 203988ecc943SGeorge Wilson 204088ecc943SGeorge Wilson free(type); 204188ecc943SGeorge Wilson if (errno != 0) 204288ecc943SGeorge Wilson return (NULL); 204388ecc943SGeorge Wilson 204488ecc943SGeorge Wilson /* 204588ecc943SGeorge Wilson * Now verify that we have the correct vdev id. 204688ecc943SGeorge Wilson */ 204788ecc943SGeorge Wilson if (vdev_id == id) 204888ecc943SGeorge Wilson return (nv); 2049ea8dc4b6Seschrock } 2050573ca77eSGeorge Wilson 2051573ca77eSGeorge Wilson /* 2052573ca77eSGeorge Wilson * Common case 2053573ca77eSGeorge Wilson */ 2054573ca77eSGeorge Wilson if (strcmp(srchval, val) == 0) 2055573ca77eSGeorge Wilson return (nv); 2056573ca77eSGeorge Wilson break; 2057573ca77eSGeorge Wilson } 2058573ca77eSGeorge Wilson 2059573ca77eSGeorge Wilson default: 2060573ca77eSGeorge Wilson break; 2061ea8dc4b6Seschrock } 2062ea8dc4b6Seschrock 2063ea8dc4b6Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2064ea8dc4b6Seschrock &child, &children) != 0) 206599653d4eSeschrock return (NULL); 2066ea8dc4b6Seschrock 2067ee0eb9f2SEric Schrock for (c = 0; c < children; c++) { 2068573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2069ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2070ee0eb9f2SEric Schrock /* 2071ee0eb9f2SEric Schrock * The 'is_log' value is only set for the toplevel 2072ee0eb9f2SEric Schrock * vdev, not the leaf vdevs. So we always lookup the 2073ee0eb9f2SEric Schrock * log device from the root of the vdev tree (where 2074ee0eb9f2SEric Schrock * 'log' is non-NULL). 2075ee0eb9f2SEric Schrock */ 2076ee0eb9f2SEric Schrock if (log != NULL && 2077ee0eb9f2SEric Schrock nvlist_lookup_uint64(child[c], 2078ee0eb9f2SEric Schrock ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && 2079ee0eb9f2SEric Schrock is_log) { 2080ee0eb9f2SEric Schrock *log = B_TRUE; 2081ee0eb9f2SEric Schrock } 2082ea8dc4b6Seschrock return (ret); 2083ee0eb9f2SEric Schrock } 2084ee0eb9f2SEric Schrock } 2085ea8dc4b6Seschrock 208699653d4eSeschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 208799653d4eSeschrock &child, &children) == 0) { 208899653d4eSeschrock for (c = 0; c < children; c++) { 2089573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2090ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2091a43d325bSek *avail_spare = B_TRUE; 209299653d4eSeschrock return (ret); 209399653d4eSeschrock } 209499653d4eSeschrock } 209599653d4eSeschrock } 209699653d4eSeschrock 2097fa94a07fSbrendan if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 2098fa94a07fSbrendan &child, &children) == 0) { 2099fa94a07fSbrendan for (c = 0; c < children; c++) { 2100573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2101ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2102fa94a07fSbrendan *l2cache = B_TRUE; 2103fa94a07fSbrendan return (ret); 2104fa94a07fSbrendan } 2105fa94a07fSbrendan } 2106fa94a07fSbrendan } 2107fa94a07fSbrendan 210899653d4eSeschrock return (NULL); 2109ea8dc4b6Seschrock } 2110ea8dc4b6Seschrock 2111573ca77eSGeorge Wilson /* 2112573ca77eSGeorge Wilson * Given a physical path (minus the "/devices" prefix), find the 2113573ca77eSGeorge Wilson * associated vdev. 2114573ca77eSGeorge Wilson */ 2115573ca77eSGeorge Wilson nvlist_t * 2116573ca77eSGeorge Wilson zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, 2117573ca77eSGeorge Wilson boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) 2118573ca77eSGeorge Wilson { 2119573ca77eSGeorge Wilson nvlist_t *search, *nvroot, *ret; 2120573ca77eSGeorge Wilson 2121573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2122573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); 2123573ca77eSGeorge Wilson 2124573ca77eSGeorge Wilson verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 2125573ca77eSGeorge Wilson &nvroot) == 0); 2126573ca77eSGeorge Wilson 2127573ca77eSGeorge Wilson *avail_spare = B_FALSE; 2128cb04b873SMark J Musante *l2cache = B_FALSE; 2129daeb70e5SMark J Musante if (log != NULL) 2130daeb70e5SMark J Musante *log = B_FALSE; 2131573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 2132573ca77eSGeorge Wilson nvlist_free(search); 2133573ca77eSGeorge Wilson 2134573ca77eSGeorge Wilson return (ret); 2135573ca77eSGeorge Wilson } 2136573ca77eSGeorge Wilson 213788ecc943SGeorge Wilson /* 213888ecc943SGeorge Wilson * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). 213988ecc943SGeorge Wilson */ 214088ecc943SGeorge Wilson boolean_t 214188ecc943SGeorge Wilson zpool_vdev_is_interior(const char *name) 214288ecc943SGeorge Wilson { 214388ecc943SGeorge Wilson if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || 214488ecc943SGeorge Wilson strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) 214588ecc943SGeorge Wilson return (B_TRUE); 214688ecc943SGeorge Wilson return (B_FALSE); 214788ecc943SGeorge Wilson } 214888ecc943SGeorge Wilson 214999653d4eSeschrock nvlist_t * 2150fa94a07fSbrendan zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, 2151ee0eb9f2SEric Schrock boolean_t *l2cache, boolean_t *log) 2152ea8dc4b6Seschrock { 2153ea8dc4b6Seschrock char buf[MAXPATHLEN]; 2154ea8dc4b6Seschrock char *end; 2155573ca77eSGeorge Wilson nvlist_t *nvroot, *search, *ret; 2156ea8dc4b6Seschrock uint64_t guid; 2157ea8dc4b6Seschrock 2158573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2159573ca77eSGeorge Wilson 21600917b783Seschrock guid = strtoull(path, &end, 10); 2161ea8dc4b6Seschrock if (guid != 0 && *end == '\0') { 2162573ca77eSGeorge Wilson verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); 216388ecc943SGeorge Wilson } else if (zpool_vdev_is_interior(path)) { 216488ecc943SGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); 2165ea8dc4b6Seschrock } else if (path[0] != '/') { 2166ea8dc4b6Seschrock (void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path); 2167573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0); 2168ea8dc4b6Seschrock } else { 2169573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); 2170ea8dc4b6Seschrock } 2171ea8dc4b6Seschrock 2172ea8dc4b6Seschrock verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 2173ea8dc4b6Seschrock &nvroot) == 0); 2174ea8dc4b6Seschrock 2175a43d325bSek *avail_spare = B_FALSE; 2176fa94a07fSbrendan *l2cache = B_FALSE; 2177ee0eb9f2SEric Schrock if (log != NULL) 2178ee0eb9f2SEric Schrock *log = B_FALSE; 2179573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 2180573ca77eSGeorge Wilson nvlist_free(search); 2181573ca77eSGeorge Wilson 2182573ca77eSGeorge Wilson return (ret); 2183a43d325bSek } 2184a43d325bSek 218519397407SSherry Moore static int 218619397407SSherry Moore vdev_online(nvlist_t *nv) 218719397407SSherry Moore { 218819397407SSherry Moore uint64_t ival; 218919397407SSherry Moore 219019397407SSherry Moore if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || 219119397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || 219219397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) 219319397407SSherry Moore return (0); 219419397407SSherry Moore 219519397407SSherry Moore return (1); 219619397407SSherry Moore } 219719397407SSherry Moore 219819397407SSherry Moore /* 219921ecdf64SLin Ling * Helper function for zpool_get_physpaths(). 220019397407SSherry Moore */ 2201753a6d45SSherry Moore static int 220221ecdf64SLin Ling vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, 2203753a6d45SSherry Moore size_t *bytes_written) 220419397407SSherry Moore { 2205753a6d45SSherry Moore size_t bytes_left, pos, rsz; 2206753a6d45SSherry Moore char *tmppath; 2207753a6d45SSherry Moore const char *format; 2208753a6d45SSherry Moore 2209753a6d45SSherry Moore if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, 2210753a6d45SSherry Moore &tmppath) != 0) 2211753a6d45SSherry Moore return (EZFS_NODEVICE); 2212753a6d45SSherry Moore 2213753a6d45SSherry Moore pos = *bytes_written; 2214753a6d45SSherry Moore bytes_left = physpath_size - pos; 2215753a6d45SSherry Moore format = (pos == 0) ? "%s" : " %s"; 2216753a6d45SSherry Moore 2217753a6d45SSherry Moore rsz = snprintf(physpath + pos, bytes_left, format, tmppath); 2218753a6d45SSherry Moore *bytes_written += rsz; 2219753a6d45SSherry Moore 2220753a6d45SSherry Moore if (rsz >= bytes_left) { 2221753a6d45SSherry Moore /* if physpath was not copied properly, clear it */ 2222753a6d45SSherry Moore if (bytes_left != 0) { 2223753a6d45SSherry Moore physpath[pos] = 0; 2224753a6d45SSherry Moore } 2225753a6d45SSherry Moore return (EZFS_NOSPC); 2226753a6d45SSherry Moore } 2227753a6d45SSherry Moore return (0); 2228753a6d45SSherry Moore } 2229753a6d45SSherry Moore 223021ecdf64SLin Ling static int 223121ecdf64SLin Ling vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, 223221ecdf64SLin Ling size_t *rsz, boolean_t is_spare) 223321ecdf64SLin Ling { 223421ecdf64SLin Ling char *type; 223521ecdf64SLin Ling int ret; 223621ecdf64SLin Ling 223721ecdf64SLin Ling if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) 223821ecdf64SLin Ling return (EZFS_INVALCONFIG); 223921ecdf64SLin Ling 224021ecdf64SLin Ling if (strcmp(type, VDEV_TYPE_DISK) == 0) { 224121ecdf64SLin Ling /* 224221ecdf64SLin Ling * An active spare device has ZPOOL_CONFIG_IS_SPARE set. 224321ecdf64SLin Ling * For a spare vdev, we only want to boot from the active 224421ecdf64SLin Ling * spare device. 224521ecdf64SLin Ling */ 224621ecdf64SLin Ling if (is_spare) { 224721ecdf64SLin Ling uint64_t spare = 0; 224821ecdf64SLin Ling (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, 224921ecdf64SLin Ling &spare); 225021ecdf64SLin Ling if (!spare) 225121ecdf64SLin Ling return (EZFS_INVALCONFIG); 225221ecdf64SLin Ling } 225321ecdf64SLin Ling 225421ecdf64SLin Ling if (vdev_online(nv)) { 225521ecdf64SLin Ling if ((ret = vdev_get_one_physpath(nv, physpath, 225621ecdf64SLin Ling phypath_size, rsz)) != 0) 225721ecdf64SLin Ling return (ret); 225821ecdf64SLin Ling } 225921ecdf64SLin Ling } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || 226021ecdf64SLin Ling strcmp(type, VDEV_TYPE_REPLACING) == 0 || 226121ecdf64SLin Ling (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { 226221ecdf64SLin Ling nvlist_t **child; 226321ecdf64SLin Ling uint_t count; 226421ecdf64SLin Ling int i, ret; 226521ecdf64SLin Ling 226621ecdf64SLin Ling if (nvlist_lookup_nvlist_array(nv, 226721ecdf64SLin Ling ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) 226821ecdf64SLin Ling return (EZFS_INVALCONFIG); 226921ecdf64SLin Ling 227021ecdf64SLin Ling for (i = 0; i < count; i++) { 227121ecdf64SLin Ling ret = vdev_get_physpaths(child[i], physpath, 227221ecdf64SLin Ling phypath_size, rsz, is_spare); 227321ecdf64SLin Ling if (ret == EZFS_NOSPC) 227421ecdf64SLin Ling return (ret); 227521ecdf64SLin Ling } 227621ecdf64SLin Ling } 227721ecdf64SLin Ling 227821ecdf64SLin Ling return (EZFS_POOL_INVALARG); 227921ecdf64SLin Ling } 228021ecdf64SLin Ling 2281753a6d45SSherry Moore /* 2282753a6d45SSherry Moore * Get phys_path for a root pool config. 2283753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2284753a6d45SSherry Moore */ 2285753a6d45SSherry Moore static int 2286753a6d45SSherry Moore zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) 2287753a6d45SSherry Moore { 2288753a6d45SSherry Moore size_t rsz; 228919397407SSherry Moore nvlist_t *vdev_root; 229019397407SSherry Moore nvlist_t **child; 229119397407SSherry Moore uint_t count; 2292753a6d45SSherry Moore char *type; 2293753a6d45SSherry Moore 2294753a6d45SSherry Moore rsz = 0; 2295753a6d45SSherry Moore 2296753a6d45SSherry Moore if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2297753a6d45SSherry Moore &vdev_root) != 0) 2298753a6d45SSherry Moore return (EZFS_INVALCONFIG); 2299753a6d45SSherry Moore 2300753a6d45SSherry Moore if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || 2301753a6d45SSherry Moore nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, 2302753a6d45SSherry Moore &child, &count) != 0) 2303753a6d45SSherry Moore return (EZFS_INVALCONFIG); 230419397407SSherry Moore 230519397407SSherry Moore /* 2306753a6d45SSherry Moore * root pool can not have EFI labeled disks and can only have 2307753a6d45SSherry Moore * a single top-level vdev. 230819397407SSherry Moore */ 2309753a6d45SSherry Moore if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || 2310753a6d45SSherry Moore pool_uses_efi(vdev_root)) 2311753a6d45SSherry Moore return (EZFS_POOL_INVALARG); 231219397407SSherry Moore 231321ecdf64SLin Ling (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, 231421ecdf64SLin Ling B_FALSE); 231519397407SSherry Moore 2316753a6d45SSherry Moore /* No online devices */ 2317753a6d45SSherry Moore if (rsz == 0) 2318753a6d45SSherry Moore return (EZFS_NODEVICE); 2319753a6d45SSherry Moore 232019397407SSherry Moore return (0); 232119397407SSherry Moore } 232219397407SSherry Moore 2323753a6d45SSherry Moore /* 2324753a6d45SSherry Moore * Get phys_path for a root pool 2325753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2326753a6d45SSherry Moore */ 2327753a6d45SSherry Moore int 2328753a6d45SSherry Moore zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) 2329753a6d45SSherry Moore { 2330753a6d45SSherry Moore return (zpool_get_config_physpath(zhp->zpool_config, physpath, 2331753a6d45SSherry Moore phypath_size)); 2332753a6d45SSherry Moore } 2333753a6d45SSherry Moore 2334573ca77eSGeorge Wilson /* 2335573ca77eSGeorge Wilson * If the device has being dynamically expanded then we need to relabel 2336573ca77eSGeorge Wilson * the disk to use the new unallocated space. 2337573ca77eSGeorge Wilson */ 2338573ca77eSGeorge Wilson static int 2339573ca77eSGeorge Wilson zpool_relabel_disk(libzfs_handle_t *hdl, const char *name) 2340573ca77eSGeorge Wilson { 2341573ca77eSGeorge Wilson char path[MAXPATHLEN]; 2342573ca77eSGeorge Wilson char errbuf[1024]; 2343573ca77eSGeorge Wilson int fd, error; 2344573ca77eSGeorge Wilson int (*_efi_use_whole_disk)(int); 2345573ca77eSGeorge Wilson 2346573ca77eSGeorge Wilson if ((_efi_use_whole_disk = (int (*)(int))dlsym(RTLD_DEFAULT, 2347573ca77eSGeorge Wilson "efi_use_whole_disk")) == NULL) 2348573ca77eSGeorge Wilson return (-1); 2349573ca77eSGeorge Wilson 2350573ca77eSGeorge Wilson (void) snprintf(path, sizeof (path), "%s/%s", RDISK_ROOT, name); 2351573ca77eSGeorge Wilson 2352573ca77eSGeorge Wilson if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 2353573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2354573ca77eSGeorge Wilson "relabel '%s': unable to open device"), name); 2355573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 2356573ca77eSGeorge Wilson } 2357573ca77eSGeorge Wilson 2358573ca77eSGeorge Wilson /* 2359573ca77eSGeorge Wilson * It's possible that we might encounter an error if the device 2360573ca77eSGeorge Wilson * does not have any unallocated space left. If so, we simply 2361573ca77eSGeorge Wilson * ignore that error and continue on. 2362573ca77eSGeorge Wilson */ 2363573ca77eSGeorge Wilson error = _efi_use_whole_disk(fd); 2364573ca77eSGeorge Wilson (void) close(fd); 2365573ca77eSGeorge Wilson if (error && error != VT_ENOSPC) { 2366573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2367573ca77eSGeorge Wilson "relabel '%s': unable to read disk capacity"), name); 2368573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 2369573ca77eSGeorge Wilson } 2370573ca77eSGeorge Wilson return (0); 2371573ca77eSGeorge Wilson } 2372573ca77eSGeorge Wilson 2373fa9e4066Sahrens /* 23743d7072f8Seschrock * Bring the specified vdev online. The 'flags' parameter is a set of the 23753d7072f8Seschrock * ZFS_ONLINE_* flags. 2376fa9e4066Sahrens */ 2377fa9e4066Sahrens int 23783d7072f8Seschrock zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, 23793d7072f8Seschrock vdev_state_t *newstate) 2380fa9e4066Sahrens { 2381fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2382fa9e4066Sahrens char msg[1024]; 238399653d4eSeschrock nvlist_t *tgt; 2384573ca77eSGeorge Wilson boolean_t avail_spare, l2cache, islog; 238599653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2386fa9e4066Sahrens 2387573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND) { 2388573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2389573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot expand %s"), path); 2390573ca77eSGeorge Wilson } else { 2391573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2392573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot online %s"), path); 2393573ca77eSGeorge Wilson } 2394ea8dc4b6Seschrock 2395fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2396ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2397573ca77eSGeorge Wilson &islog)) == NULL) 239899653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2399fa9e4066Sahrens 240099653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2401fa9e4066Sahrens 2402069f55e2SEric Schrock if (avail_spare) 2403a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2404a43d325bSek 2405573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND || 2406573ca77eSGeorge Wilson zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { 2407573ca77eSGeorge Wilson char *pathname = NULL; 2408573ca77eSGeorge Wilson uint64_t wholedisk = 0; 2409573ca77eSGeorge Wilson 2410573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, 2411573ca77eSGeorge Wilson &wholedisk); 2412573ca77eSGeorge Wilson verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, 2413573ca77eSGeorge Wilson &pathname) == 0); 2414573ca77eSGeorge Wilson 2415573ca77eSGeorge Wilson /* 2416573ca77eSGeorge Wilson * XXX - L2ARC 1.0 devices can't support expansion. 2417573ca77eSGeorge Wilson */ 2418573ca77eSGeorge Wilson if (l2cache) { 2419573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2420573ca77eSGeorge Wilson "cannot expand cache devices")); 2421573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); 2422573ca77eSGeorge Wilson } 2423573ca77eSGeorge Wilson 2424573ca77eSGeorge Wilson if (wholedisk) { 2425573ca77eSGeorge Wilson pathname += strlen(DISK_ROOT) + 1; 2426cb04b873SMark J Musante (void) zpool_relabel_disk(hdl, pathname); 2427573ca77eSGeorge Wilson } 2428573ca77eSGeorge Wilson } 2429573ca77eSGeorge Wilson 24303d7072f8Seschrock zc.zc_cookie = VDEV_STATE_ONLINE; 24313d7072f8Seschrock zc.zc_obj = flags; 2432fa9e4066Sahrens 2433cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { 24341195e687SMark J Musante if (errno == EINVAL) { 24351195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " 24361195e687SMark J Musante "from this pool into a new one. Use '%s' " 24371195e687SMark J Musante "instead"), "zpool detach"); 24381195e687SMark J Musante return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); 24391195e687SMark J Musante } 24403d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 24411195e687SMark J Musante } 24423d7072f8Seschrock 24433d7072f8Seschrock *newstate = zc.zc_cookie; 24443d7072f8Seschrock return (0); 2445fa9e4066Sahrens } 2446fa9e4066Sahrens 2447fa9e4066Sahrens /* 2448fa9e4066Sahrens * Take the specified vdev offline 2449fa9e4066Sahrens */ 2450fa9e4066Sahrens int 24513d7072f8Seschrock zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) 2452fa9e4066Sahrens { 2453fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2454fa9e4066Sahrens char msg[1024]; 245599653d4eSeschrock nvlist_t *tgt; 2456fa94a07fSbrendan boolean_t avail_spare, l2cache; 245799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2458fa9e4066Sahrens 2459ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2460ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot offline %s"), path); 2461ea8dc4b6Seschrock 2462fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2463ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2464ee0eb9f2SEric Schrock NULL)) == NULL) 246599653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 246699653d4eSeschrock 246799653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2468fa9e4066Sahrens 2469069f55e2SEric Schrock if (avail_spare) 2470a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2471a43d325bSek 24723d7072f8Seschrock zc.zc_cookie = VDEV_STATE_OFFLINE; 24733d7072f8Seschrock zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; 24743d7072f8Seschrock 2475cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 24763d7072f8Seschrock return (0); 24773d7072f8Seschrock 24783d7072f8Seschrock switch (errno) { 24793d7072f8Seschrock case EBUSY: 24803d7072f8Seschrock 24813d7072f8Seschrock /* 24823d7072f8Seschrock * There are no other replicas of this device. 24833d7072f8Seschrock */ 24843d7072f8Seschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 24853d7072f8Seschrock 2486e6ca193dSGeorge Wilson case EEXIST: 2487e6ca193dSGeorge Wilson /* 2488e6ca193dSGeorge Wilson * The log device has unplayed logs 2489e6ca193dSGeorge Wilson */ 2490e6ca193dSGeorge Wilson return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); 2491e6ca193dSGeorge Wilson 24923d7072f8Seschrock default: 24933d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 24943d7072f8Seschrock } 24953d7072f8Seschrock } 24963d7072f8Seschrock 24973d7072f8Seschrock /* 24983d7072f8Seschrock * Mark the given vdev faulted. 24993d7072f8Seschrock */ 25003d7072f8Seschrock int 2501069f55e2SEric Schrock zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 25023d7072f8Seschrock { 25033d7072f8Seschrock zfs_cmd_t zc = { 0 }; 25043d7072f8Seschrock char msg[1024]; 25053d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 25063d7072f8Seschrock 25073d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 25083d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot fault %llu"), guid); 2509441d80aaSlling 25103d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 25113d7072f8Seschrock zc.zc_guid = guid; 25123d7072f8Seschrock zc.zc_cookie = VDEV_STATE_FAULTED; 2513069f55e2SEric Schrock zc.zc_obj = aux; 25143d7072f8Seschrock 2515cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 2516fa9e4066Sahrens return (0); 2517fa9e4066Sahrens 2518fa9e4066Sahrens switch (errno) { 251999653d4eSeschrock case EBUSY: 2520fa9e4066Sahrens 2521fa9e4066Sahrens /* 2522fa9e4066Sahrens * There are no other replicas of this device. 2523fa9e4066Sahrens */ 252499653d4eSeschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 2525fa9e4066Sahrens 252699653d4eSeschrock default: 252799653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 2528fa9e4066Sahrens } 25293d7072f8Seschrock 25303d7072f8Seschrock } 25313d7072f8Seschrock 25323d7072f8Seschrock /* 25333d7072f8Seschrock * Mark the given vdev degraded. 25343d7072f8Seschrock */ 25353d7072f8Seschrock int 2536069f55e2SEric Schrock zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 25373d7072f8Seschrock { 25383d7072f8Seschrock zfs_cmd_t zc = { 0 }; 25393d7072f8Seschrock char msg[1024]; 25403d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 25413d7072f8Seschrock 25423d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 25433d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot degrade %llu"), guid); 25443d7072f8Seschrock 25453d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 25463d7072f8Seschrock zc.zc_guid = guid; 25473d7072f8Seschrock zc.zc_cookie = VDEV_STATE_DEGRADED; 2548069f55e2SEric Schrock zc.zc_obj = aux; 25493d7072f8Seschrock 2550cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 25513d7072f8Seschrock return (0); 25523d7072f8Seschrock 25533d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 255499653d4eSeschrock } 255599653d4eSeschrock 255699653d4eSeschrock /* 255799653d4eSeschrock * Returns TRUE if the given nvlist is a vdev that was originally swapped in as 255899653d4eSeschrock * a hot spare. 255999653d4eSeschrock */ 256099653d4eSeschrock static boolean_t 256199653d4eSeschrock is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) 256299653d4eSeschrock { 256399653d4eSeschrock nvlist_t **child; 256499653d4eSeschrock uint_t c, children; 256599653d4eSeschrock char *type; 256699653d4eSeschrock 256799653d4eSeschrock if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, 256899653d4eSeschrock &children) == 0) { 256999653d4eSeschrock verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, 257099653d4eSeschrock &type) == 0); 257199653d4eSeschrock 257299653d4eSeschrock if (strcmp(type, VDEV_TYPE_SPARE) == 0 && 257399653d4eSeschrock children == 2 && child[which] == tgt) 257499653d4eSeschrock return (B_TRUE); 257599653d4eSeschrock 257699653d4eSeschrock for (c = 0; c < children; c++) 257799653d4eSeschrock if (is_replacing_spare(child[c], tgt, which)) 257899653d4eSeschrock return (B_TRUE); 257999653d4eSeschrock } 258099653d4eSeschrock 258199653d4eSeschrock return (B_FALSE); 2582fa9e4066Sahrens } 2583fa9e4066Sahrens 2584fa9e4066Sahrens /* 2585fa9e4066Sahrens * Attach new_disk (fully described by nvroot) to old_disk. 25868654d025Sperrin * If 'replacing' is specified, the new disk will replace the old one. 2587fa9e4066Sahrens */ 2588fa9e4066Sahrens int 2589fa9e4066Sahrens zpool_vdev_attach(zpool_handle_t *zhp, 2590fa9e4066Sahrens const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) 2591fa9e4066Sahrens { 2592fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2593fa9e4066Sahrens char msg[1024]; 2594fa9e4066Sahrens int ret; 259599653d4eSeschrock nvlist_t *tgt; 2596ee0eb9f2SEric Schrock boolean_t avail_spare, l2cache, islog; 2597ee0eb9f2SEric Schrock uint64_t val; 2598cb04b873SMark J Musante char *newname; 259999653d4eSeschrock nvlist_t **child; 260099653d4eSeschrock uint_t children; 260199653d4eSeschrock nvlist_t *config_root; 260299653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 26034263d13fSGeorge Wilson boolean_t rootpool = zpool_is_bootable(zhp); 2604fa9e4066Sahrens 2605ea8dc4b6Seschrock if (replacing) 2606ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2607ea8dc4b6Seschrock "cannot replace %s with %s"), old_disk, new_disk); 2608ea8dc4b6Seschrock else 2609ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2610ea8dc4b6Seschrock "cannot attach %s to %s"), new_disk, old_disk); 2611ea8dc4b6Seschrock 2612b5b76fecSGeorge Wilson /* 2613b5b76fecSGeorge Wilson * If this is a root pool, make sure that we're not attaching an 2614b5b76fecSGeorge Wilson * EFI labeled device. 2615b5b76fecSGeorge Wilson */ 2616b5b76fecSGeorge Wilson if (rootpool && pool_uses_efi(nvroot)) { 2617b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2618b5b76fecSGeorge Wilson "EFI labeled devices are not supported on root pools.")); 2619b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); 2620b5b76fecSGeorge Wilson } 2621b5b76fecSGeorge Wilson 2622fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2623ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, 2624ee0eb9f2SEric Schrock &islog)) == 0) 262599653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 262699653d4eSeschrock 2627a43d325bSek if (avail_spare) 262899653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 262999653d4eSeschrock 2630fa94a07fSbrendan if (l2cache) 2631fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2632fa94a07fSbrendan 263399653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2634fa9e4066Sahrens zc.zc_cookie = replacing; 2635fa9e4066Sahrens 263699653d4eSeschrock if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 263799653d4eSeschrock &child, &children) != 0 || children != 1) { 263899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 263999653d4eSeschrock "new device must be a single disk")); 264099653d4eSeschrock return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); 264199653d4eSeschrock } 264299653d4eSeschrock 264399653d4eSeschrock verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 264499653d4eSeschrock ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); 264599653d4eSeschrock 264688ecc943SGeorge Wilson if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) 26470430f8daSeschrock return (-1); 26480430f8daSeschrock 264999653d4eSeschrock /* 265099653d4eSeschrock * If the target is a hot spare that has been swapped in, we can only 265199653d4eSeschrock * replace it with another hot spare. 265299653d4eSeschrock */ 265399653d4eSeschrock if (replacing && 265499653d4eSeschrock nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && 2655ee0eb9f2SEric Schrock (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, 2656ee0eb9f2SEric Schrock NULL) == NULL || !avail_spare) && 2657ee0eb9f2SEric Schrock is_replacing_spare(config_root, tgt, 1)) { 265899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 265999653d4eSeschrock "can only be replaced by another hot spare")); 26600430f8daSeschrock free(newname); 266199653d4eSeschrock return (zfs_error(hdl, EZFS_BADTARGET, msg)); 266299653d4eSeschrock } 266399653d4eSeschrock 26640430f8daSeschrock free(newname); 26650430f8daSeschrock 2666990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 266799653d4eSeschrock return (-1); 2668fa9e4066Sahrens 2669cb04b873SMark J Musante ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); 2670fa9e4066Sahrens 2671e9dbad6fSeschrock zcmd_free_nvlists(&zc); 2672fa9e4066Sahrens 2673b5b76fecSGeorge Wilson if (ret == 0) { 2674b5b76fecSGeorge Wilson if (rootpool) { 267521ecdf64SLin Ling /* 267621ecdf64SLin Ling * XXX need a better way to prevent user from 267721ecdf64SLin Ling * booting up a half-baked vdev. 267821ecdf64SLin Ling */ 267921ecdf64SLin Ling (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " 268021ecdf64SLin Ling "sure to wait until resilver is done " 268121ecdf64SLin Ling "before rebooting.\n")); 2682b5b76fecSGeorge Wilson } 2683fa9e4066Sahrens return (0); 2684b5b76fecSGeorge Wilson } 2685fa9e4066Sahrens 2686fa9e4066Sahrens switch (errno) { 2687ea8dc4b6Seschrock case ENOTSUP: 2688fa9e4066Sahrens /* 2689fa9e4066Sahrens * Can't attach to or replace this type of vdev. 2690fa9e4066Sahrens */ 26918654d025Sperrin if (replacing) { 2692cb04b873SMark J Musante uint64_t version = zpool_get_prop_int(zhp, 2693cb04b873SMark J Musante ZPOOL_PROP_VERSION, NULL); 2694cb04b873SMark J Musante 2695ee0eb9f2SEric Schrock if (islog) 26968654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 26978654d025Sperrin "cannot replace a log with a spare")); 2698cb04b873SMark J Musante else if (version >= SPA_VERSION_MULTI_REPLACE) 2699cb04b873SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2700cb04b873SMark J Musante "already in replacing/spare config; wait " 2701cb04b873SMark J Musante "for completion or use 'zpool detach'")); 27028654d025Sperrin else 27038654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 27048654d025Sperrin "cannot replace a replacing device")); 27058654d025Sperrin } else { 270699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 270799653d4eSeschrock "can only attach to mirrors and top-level " 270899653d4eSeschrock "disks")); 27098654d025Sperrin } 271099653d4eSeschrock (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2711fa9e4066Sahrens break; 2712fa9e4066Sahrens 2713ea8dc4b6Seschrock case EINVAL: 2714fa9e4066Sahrens /* 2715fa9e4066Sahrens * The new device must be a single disk. 2716fa9e4066Sahrens */ 271799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 271899653d4eSeschrock "new device must be a single disk")); 271999653d4eSeschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); 2720fa9e4066Sahrens break; 2721fa9e4066Sahrens 2722ea8dc4b6Seschrock case EBUSY: 272399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), 272499653d4eSeschrock new_disk); 272599653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2726fa9e4066Sahrens break; 2727fa9e4066Sahrens 2728ea8dc4b6Seschrock case EOVERFLOW: 2729fa9e4066Sahrens /* 2730fa9e4066Sahrens * The new device is too small. 2731fa9e4066Sahrens */ 273299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 273399653d4eSeschrock "device is too small")); 273499653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2735fa9e4066Sahrens break; 2736fa9e4066Sahrens 2737ea8dc4b6Seschrock case EDOM: 2738fa9e4066Sahrens /* 2739fa9e4066Sahrens * The new device has a different alignment requirement. 2740fa9e4066Sahrens */ 274199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 274299653d4eSeschrock "devices have different sector alignment")); 274399653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2744fa9e4066Sahrens break; 2745fa9e4066Sahrens 2746ea8dc4b6Seschrock case ENAMETOOLONG: 2747fa9e4066Sahrens /* 2748fa9e4066Sahrens * The resulting top-level vdev spec won't fit in the label. 2749fa9e4066Sahrens */ 275099653d4eSeschrock (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); 2751fa9e4066Sahrens break; 2752fa9e4066Sahrens 2753ea8dc4b6Seschrock default: 275499653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2755fa9e4066Sahrens } 2756fa9e4066Sahrens 275799653d4eSeschrock return (-1); 2758fa9e4066Sahrens } 2759fa9e4066Sahrens 2760fa9e4066Sahrens /* 2761fa9e4066Sahrens * Detach the specified device. 2762fa9e4066Sahrens */ 2763fa9e4066Sahrens int 2764fa9e4066Sahrens zpool_vdev_detach(zpool_handle_t *zhp, const char *path) 2765fa9e4066Sahrens { 2766fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2767fa9e4066Sahrens char msg[1024]; 276899653d4eSeschrock nvlist_t *tgt; 2769fa94a07fSbrendan boolean_t avail_spare, l2cache; 277099653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2771fa9e4066Sahrens 2772ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2773ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot detach %s"), path); 2774ea8dc4b6Seschrock 2775fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2776ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2777ee0eb9f2SEric Schrock NULL)) == 0) 277899653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2779fa9e4066Sahrens 2780a43d325bSek if (avail_spare) 278199653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 278299653d4eSeschrock 2783fa94a07fSbrendan if (l2cache) 2784fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2785fa94a07fSbrendan 278699653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 278799653d4eSeschrock 2788ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) 2789fa9e4066Sahrens return (0); 2790fa9e4066Sahrens 2791fa9e4066Sahrens switch (errno) { 2792fa9e4066Sahrens 2793ea8dc4b6Seschrock case ENOTSUP: 2794fa9e4066Sahrens /* 2795fa9e4066Sahrens * Can't detach from this type of vdev. 2796fa9e4066Sahrens */ 279799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " 279899653d4eSeschrock "applicable to mirror and replacing vdevs")); 2799cb04b873SMark J Musante (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2800fa9e4066Sahrens break; 2801fa9e4066Sahrens 2802ea8dc4b6Seschrock case EBUSY: 2803fa9e4066Sahrens /* 2804fa9e4066Sahrens * There are no other replicas of this device. 2805fa9e4066Sahrens */ 280699653d4eSeschrock (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); 2807fa9e4066Sahrens break; 2808fa9e4066Sahrens 2809ea8dc4b6Seschrock default: 281099653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2811ea8dc4b6Seschrock } 2812ea8dc4b6Seschrock 281399653d4eSeschrock return (-1); 281499653d4eSeschrock } 281599653d4eSeschrock 28161195e687SMark J Musante /* 28171195e687SMark J Musante * Find a mirror vdev in the source nvlist. 28181195e687SMark J Musante * 28191195e687SMark J Musante * The mchild array contains a list of disks in one of the top-level mirrors 28201195e687SMark J Musante * of the source pool. The schild array contains a list of disks that the 28211195e687SMark J Musante * user specified on the command line. We loop over the mchild array to 28221195e687SMark J Musante * see if any entry in the schild array matches. 28231195e687SMark J Musante * 28241195e687SMark J Musante * If a disk in the mchild array is found in the schild array, we return 28251195e687SMark J Musante * the index of that entry. Otherwise we return -1. 28261195e687SMark J Musante */ 28271195e687SMark J Musante static int 28281195e687SMark J Musante find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, 28291195e687SMark J Musante nvlist_t **schild, uint_t schildren) 28301195e687SMark J Musante { 28311195e687SMark J Musante uint_t mc; 28321195e687SMark J Musante 28331195e687SMark J Musante for (mc = 0; mc < mchildren; mc++) { 28341195e687SMark J Musante uint_t sc; 28351195e687SMark J Musante char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, 28361195e687SMark J Musante mchild[mc], B_FALSE); 28371195e687SMark J Musante 28381195e687SMark J Musante for (sc = 0; sc < schildren; sc++) { 28391195e687SMark J Musante char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, 28401195e687SMark J Musante schild[sc], B_FALSE); 28411195e687SMark J Musante boolean_t result = (strcmp(mpath, spath) == 0); 28421195e687SMark J Musante 28431195e687SMark J Musante free(spath); 28441195e687SMark J Musante if (result) { 28451195e687SMark J Musante free(mpath); 28461195e687SMark J Musante return (mc); 28471195e687SMark J Musante } 28481195e687SMark J Musante } 28491195e687SMark J Musante 28501195e687SMark J Musante free(mpath); 28511195e687SMark J Musante } 28521195e687SMark J Musante 28531195e687SMark J Musante return (-1); 28541195e687SMark J Musante } 28551195e687SMark J Musante 28561195e687SMark J Musante /* 28571195e687SMark J Musante * Split a mirror pool. If newroot points to null, then a new nvlist 28581195e687SMark J Musante * is generated and it is the responsibility of the caller to free it. 28591195e687SMark J Musante */ 28601195e687SMark J Musante int 28611195e687SMark J Musante zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, 28621195e687SMark J Musante nvlist_t *props, splitflags_t flags) 28631195e687SMark J Musante { 28641195e687SMark J Musante zfs_cmd_t zc = { 0 }; 28651195e687SMark J Musante char msg[1024]; 28661195e687SMark J Musante nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; 28671195e687SMark J Musante nvlist_t **varray = NULL, *zc_props = NULL; 28681195e687SMark J Musante uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; 28691195e687SMark J Musante libzfs_handle_t *hdl = zhp->zpool_hdl; 28701195e687SMark J Musante uint64_t vers; 28711195e687SMark J Musante boolean_t freelist = B_FALSE, memory_err = B_TRUE; 28721195e687SMark J Musante int retval = 0; 28731195e687SMark J Musante 28741195e687SMark J Musante (void) snprintf(msg, sizeof (msg), 28751195e687SMark J Musante dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); 28761195e687SMark J Musante 28771195e687SMark J Musante if (!zpool_name_valid(hdl, B_FALSE, newname)) 28781195e687SMark J Musante return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 28791195e687SMark J Musante 28801195e687SMark J Musante if ((config = zpool_get_config(zhp, NULL)) == NULL) { 28811195e687SMark J Musante (void) fprintf(stderr, gettext("Internal error: unable to " 28821195e687SMark J Musante "retrieve pool configuration\n")); 28831195e687SMark J Musante return (-1); 28841195e687SMark J Musante } 28851195e687SMark J Musante 28861195e687SMark J Musante verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) 28871195e687SMark J Musante == 0); 28881195e687SMark J Musante verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); 28891195e687SMark J Musante 28901195e687SMark J Musante if (props) { 2891f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 28921195e687SMark J Musante if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, 2893f9af39baSGeorge Wilson props, vers, flags, msg)) == NULL) 28941195e687SMark J Musante return (-1); 28951195e687SMark J Musante } 28961195e687SMark J Musante 28971195e687SMark J Musante if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 28981195e687SMark J Musante &children) != 0) { 28991195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 29001195e687SMark J Musante "Source pool is missing vdev tree")); 29011195e687SMark J Musante if (zc_props) 29021195e687SMark J Musante nvlist_free(zc_props); 29031195e687SMark J Musante return (-1); 29041195e687SMark J Musante } 29051195e687SMark J Musante 29061195e687SMark J Musante varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); 29071195e687SMark J Musante vcount = 0; 29081195e687SMark J Musante 29091195e687SMark J Musante if (*newroot == NULL || 29101195e687SMark J Musante nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, 29111195e687SMark J Musante &newchild, &newchildren) != 0) 29121195e687SMark J Musante newchildren = 0; 29131195e687SMark J Musante 29141195e687SMark J Musante for (c = 0; c < children; c++) { 29151195e687SMark J Musante uint64_t is_log = B_FALSE, is_hole = B_FALSE; 29161195e687SMark J Musante char *type; 29171195e687SMark J Musante nvlist_t **mchild, *vdev; 29181195e687SMark J Musante uint_t mchildren; 29191195e687SMark J Musante int entry; 29201195e687SMark J Musante 29211195e687SMark J Musante /* 29221195e687SMark J Musante * Unlike cache & spares, slogs are stored in the 29231195e687SMark J Musante * ZPOOL_CONFIG_CHILDREN array. We filter them out here. 29241195e687SMark J Musante */ 29251195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 29261195e687SMark J Musante &is_log); 29271195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 29281195e687SMark J Musante &is_hole); 29291195e687SMark J Musante if (is_log || is_hole) { 29301195e687SMark J Musante /* 29311195e687SMark J Musante * Create a hole vdev and put it in the config. 29321195e687SMark J Musante */ 29331195e687SMark J Musante if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) 29341195e687SMark J Musante goto out; 29351195e687SMark J Musante if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, 29361195e687SMark J Musante VDEV_TYPE_HOLE) != 0) 29371195e687SMark J Musante goto out; 29381195e687SMark J Musante if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, 29391195e687SMark J Musante 1) != 0) 29401195e687SMark J Musante goto out; 29411195e687SMark J Musante if (lastlog == 0) 29421195e687SMark J Musante lastlog = vcount; 29431195e687SMark J Musante varray[vcount++] = vdev; 29441195e687SMark J Musante continue; 29451195e687SMark J Musante } 29461195e687SMark J Musante lastlog = 0; 29471195e687SMark J Musante verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) 29481195e687SMark J Musante == 0); 29491195e687SMark J Musante if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { 29501195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 29511195e687SMark J Musante "Source pool must be composed only of mirrors\n")); 29521195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 29531195e687SMark J Musante goto out; 29541195e687SMark J Musante } 29551195e687SMark J Musante 29561195e687SMark J Musante verify(nvlist_lookup_nvlist_array(child[c], 29571195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 29581195e687SMark J Musante 29591195e687SMark J Musante /* find or add an entry for this top-level vdev */ 29601195e687SMark J Musante if (newchildren > 0 && 29611195e687SMark J Musante (entry = find_vdev_entry(zhp, mchild, mchildren, 29621195e687SMark J Musante newchild, newchildren)) >= 0) { 29631195e687SMark J Musante /* We found a disk that the user specified. */ 29641195e687SMark J Musante vdev = mchild[entry]; 29651195e687SMark J Musante ++found; 29661195e687SMark J Musante } else { 29671195e687SMark J Musante /* User didn't specify a disk for this vdev. */ 29681195e687SMark J Musante vdev = mchild[mchildren - 1]; 29691195e687SMark J Musante } 29701195e687SMark J Musante 29711195e687SMark J Musante if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) 29721195e687SMark J Musante goto out; 29731195e687SMark J Musante } 29741195e687SMark J Musante 29751195e687SMark J Musante /* did we find every disk the user specified? */ 29761195e687SMark J Musante if (found != newchildren) { 29771195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " 29781195e687SMark J Musante "include at most one disk from each mirror")); 29791195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 29801195e687SMark J Musante goto out; 29811195e687SMark J Musante } 29821195e687SMark J Musante 29831195e687SMark J Musante /* Prepare the nvlist for populating. */ 29841195e687SMark J Musante if (*newroot == NULL) { 29851195e687SMark J Musante if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) 29861195e687SMark J Musante goto out; 29871195e687SMark J Musante freelist = B_TRUE; 29881195e687SMark J Musante if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, 29891195e687SMark J Musante VDEV_TYPE_ROOT) != 0) 29901195e687SMark J Musante goto out; 29911195e687SMark J Musante } else { 29921195e687SMark J Musante verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); 29931195e687SMark J Musante } 29941195e687SMark J Musante 29951195e687SMark J Musante /* Add all the children we found */ 29961195e687SMark J Musante if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, 29971195e687SMark J Musante lastlog == 0 ? vcount : lastlog) != 0) 29981195e687SMark J Musante goto out; 29991195e687SMark J Musante 30001195e687SMark J Musante /* 30011195e687SMark J Musante * If we're just doing a dry run, exit now with success. 30021195e687SMark J Musante */ 30031195e687SMark J Musante if (flags.dryrun) { 30041195e687SMark J Musante memory_err = B_FALSE; 30051195e687SMark J Musante freelist = B_FALSE; 30061195e687SMark J Musante goto out; 30071195e687SMark J Musante } 30081195e687SMark J Musante 30091195e687SMark J Musante /* now build up the config list & call the ioctl */ 30101195e687SMark J Musante if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) 30111195e687SMark J Musante goto out; 30121195e687SMark J Musante 30131195e687SMark J Musante if (nvlist_add_nvlist(newconfig, 30141195e687SMark J Musante ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || 30151195e687SMark J Musante nvlist_add_string(newconfig, 30161195e687SMark J Musante ZPOOL_CONFIG_POOL_NAME, newname) != 0 || 30171195e687SMark J Musante nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) 30181195e687SMark J Musante goto out; 30191195e687SMark J Musante 30201195e687SMark J Musante /* 30211195e687SMark J Musante * The new pool is automatically part of the namespace unless we 30221195e687SMark J Musante * explicitly export it. 30231195e687SMark J Musante */ 30241195e687SMark J Musante if (!flags.import) 30251195e687SMark J Musante zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; 30261195e687SMark J Musante (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 30271195e687SMark J Musante (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); 30281195e687SMark J Musante if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) 30291195e687SMark J Musante goto out; 30301195e687SMark J Musante if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 30311195e687SMark J Musante goto out; 30321195e687SMark J Musante 30331195e687SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { 30341195e687SMark J Musante retval = zpool_standard_error(hdl, errno, msg); 30351195e687SMark J Musante goto out; 30361195e687SMark J Musante } 30371195e687SMark J Musante 30381195e687SMark J Musante freelist = B_FALSE; 30391195e687SMark J Musante memory_err = B_FALSE; 30401195e687SMark J Musante 30411195e687SMark J Musante out: 30421195e687SMark J Musante if (varray != NULL) { 30431195e687SMark J Musante int v; 30441195e687SMark J Musante 30451195e687SMark J Musante for (v = 0; v < vcount; v++) 30461195e687SMark J Musante nvlist_free(varray[v]); 30471195e687SMark J Musante free(varray); 30481195e687SMark J Musante } 30491195e687SMark J Musante zcmd_free_nvlists(&zc); 30501195e687SMark J Musante if (zc_props) 30511195e687SMark J Musante nvlist_free(zc_props); 30521195e687SMark J Musante if (newconfig) 30531195e687SMark J Musante nvlist_free(newconfig); 30541195e687SMark J Musante if (freelist) { 30551195e687SMark J Musante nvlist_free(*newroot); 30561195e687SMark J Musante *newroot = NULL; 30571195e687SMark J Musante } 30581195e687SMark J Musante 30591195e687SMark J Musante if (retval != 0) 30601195e687SMark J Musante return (retval); 30611195e687SMark J Musante 30621195e687SMark J Musante if (memory_err) 30631195e687SMark J Musante return (no_memory(hdl)); 30641195e687SMark J Musante 30651195e687SMark J Musante return (0); 30661195e687SMark J Musante } 30671195e687SMark J Musante 306899653d4eSeschrock /* 3069fa94a07fSbrendan * Remove the given device. Currently, this is supported only for hot spares 3070fa94a07fSbrendan * and level 2 cache devices. 307199653d4eSeschrock */ 307299653d4eSeschrock int 307399653d4eSeschrock zpool_vdev_remove(zpool_handle_t *zhp, const char *path) 307499653d4eSeschrock { 307599653d4eSeschrock zfs_cmd_t zc = { 0 }; 307699653d4eSeschrock char msg[1024]; 307799653d4eSeschrock nvlist_t *tgt; 307888ecc943SGeorge Wilson boolean_t avail_spare, l2cache, islog; 307999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 308088ecc943SGeorge Wilson uint64_t version; 308199653d4eSeschrock 308299653d4eSeschrock (void) snprintf(msg, sizeof (msg), 308399653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot remove %s"), path); 308499653d4eSeschrock 308599653d4eSeschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3086ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 308788ecc943SGeorge Wilson &islog)) == 0) 308899653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 308988ecc943SGeorge Wilson /* 309088ecc943SGeorge Wilson * XXX - this should just go away. 309188ecc943SGeorge Wilson */ 309288ecc943SGeorge Wilson if (!avail_spare && !l2cache && !islog) { 309399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 309488ecc943SGeorge Wilson "only inactive hot spares, cache, top-level, " 309588ecc943SGeorge Wilson "or log devices can be removed")); 309699653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 309799653d4eSeschrock } 309899653d4eSeschrock 309988ecc943SGeorge Wilson version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 310088ecc943SGeorge Wilson if (islog && version < SPA_VERSION_HOLES) { 310188ecc943SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 310288ecc943SGeorge Wilson "pool must be upgrade to support log removal")); 310388ecc943SGeorge Wilson return (zfs_error(hdl, EZFS_BADVERSION, msg)); 310488ecc943SGeorge Wilson } 310588ecc943SGeorge Wilson 310699653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 310799653d4eSeschrock 3108ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) 310999653d4eSeschrock return (0); 311099653d4eSeschrock 311199653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 3112ea8dc4b6Seschrock } 3113ea8dc4b6Seschrock 3114ea8dc4b6Seschrock /* 3115ea8dc4b6Seschrock * Clear the errors for the pool, or the particular device if specified. 3116ea8dc4b6Seschrock */ 3117ea8dc4b6Seschrock int 3118468c413aSTim Haley zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) 3119ea8dc4b6Seschrock { 3120ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3121ea8dc4b6Seschrock char msg[1024]; 312299653d4eSeschrock nvlist_t *tgt; 3123468c413aSTim Haley zpool_rewind_policy_t policy; 3124fa94a07fSbrendan boolean_t avail_spare, l2cache; 312599653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3126468c413aSTim Haley nvlist_t *nvi = NULL; 31274b964adaSGeorge Wilson int error; 3128ea8dc4b6Seschrock 3129ea8dc4b6Seschrock if (path) 3130ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 3131ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 3132e9dbad6fSeschrock path); 3133ea8dc4b6Seschrock else 3134ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 3135ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 3136ea8dc4b6Seschrock zhp->zpool_name); 3137ea8dc4b6Seschrock 3138ea8dc4b6Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 313999653d4eSeschrock if (path) { 3140fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, 3141ee0eb9f2SEric Schrock &l2cache, NULL)) == 0) 314299653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 3143ea8dc4b6Seschrock 3144fa94a07fSbrendan /* 3145fa94a07fSbrendan * Don't allow error clearing for hot spares. Do allow 3146fa94a07fSbrendan * error clearing for l2cache devices. 3147fa94a07fSbrendan */ 3148a43d325bSek if (avail_spare) 314999653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 3150ea8dc4b6Seschrock 315199653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 315299653d4eSeschrock &zc.zc_guid) == 0); 3153fa9e4066Sahrens } 3154fa9e4066Sahrens 3155468c413aSTim Haley zpool_get_rewind_policy(rewindnvl, &policy); 3156468c413aSTim Haley zc.zc_cookie = policy.zrp_request; 3157468c413aSTim Haley 315857f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) 3159468c413aSTim Haley return (-1); 3160468c413aSTim Haley 3161cb04b873SMark J Musante if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) 3162468c413aSTim Haley return (-1); 3163468c413aSTim Haley 31644b964adaSGeorge Wilson while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && 31654b964adaSGeorge Wilson errno == ENOMEM) { 31664b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 31674b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 31684b964adaSGeorge Wilson return (-1); 31694b964adaSGeorge Wilson } 31704b964adaSGeorge Wilson } 31714b964adaSGeorge Wilson 31724b964adaSGeorge Wilson if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && 3173468c413aSTim Haley errno != EPERM && errno != EACCES)) { 3174468c413aSTim Haley if (policy.zrp_request & 3175468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 3176468c413aSTim Haley (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); 3177468c413aSTim Haley zpool_rewind_exclaim(hdl, zc.zc_name, 3178468c413aSTim Haley ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), 3179468c413aSTim Haley nvi); 3180468c413aSTim Haley nvlist_free(nvi); 3181468c413aSTim Haley } 3182468c413aSTim Haley zcmd_free_nvlists(&zc); 318399653d4eSeschrock return (0); 3184468c413aSTim Haley } 318599653d4eSeschrock 3186468c413aSTim Haley zcmd_free_nvlists(&zc); 318799653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 3188fa9e4066Sahrens } 3189fa9e4066Sahrens 31903d7072f8Seschrock /* 31913d7072f8Seschrock * Similar to zpool_clear(), but takes a GUID (used by fmd). 31923d7072f8Seschrock */ 31933d7072f8Seschrock int 31943d7072f8Seschrock zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) 31953d7072f8Seschrock { 31963d7072f8Seschrock zfs_cmd_t zc = { 0 }; 31973d7072f8Seschrock char msg[1024]; 31983d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 31993d7072f8Seschrock 32003d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 32013d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), 32023d7072f8Seschrock guid); 32033d7072f8Seschrock 32043d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 32053d7072f8Seschrock zc.zc_guid = guid; 320614f8ce41SVictor Latushkin zc.zc_cookie = ZPOOL_NO_REWIND; 32073d7072f8Seschrock 32083d7072f8Seschrock if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) 32093d7072f8Seschrock return (0); 32103d7072f8Seschrock 32113d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 32123d7072f8Seschrock } 32133d7072f8Seschrock 3214e9103aaeSGarrett D'Amore /* 3215e9103aaeSGarrett D'Amore * Change the GUID for a pool. 3216e9103aaeSGarrett D'Amore */ 3217e9103aaeSGarrett D'Amore int 3218e9103aaeSGarrett D'Amore zpool_reguid(zpool_handle_t *zhp) 3219e9103aaeSGarrett D'Amore { 3220e9103aaeSGarrett D'Amore char msg[1024]; 3221e9103aaeSGarrett D'Amore libzfs_handle_t *hdl = zhp->zpool_hdl; 3222e9103aaeSGarrett D'Amore zfs_cmd_t zc = { 0 }; 3223e9103aaeSGarrett D'Amore 3224e9103aaeSGarrett D'Amore (void) snprintf(msg, sizeof (msg), 3225e9103aaeSGarrett D'Amore dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); 3226e9103aaeSGarrett D'Amore 3227e9103aaeSGarrett D'Amore (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3228e9103aaeSGarrett D'Amore if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) 3229e9103aaeSGarrett D'Amore return (0); 3230e9103aaeSGarrett D'Amore 3231e9103aaeSGarrett D'Amore return (zpool_standard_error(hdl, errno, msg)); 3232e9103aaeSGarrett D'Amore } 3233e9103aaeSGarrett D'Amore 32344263d13fSGeorge Wilson /* 32354263d13fSGeorge Wilson * Reopen the pool. 32364263d13fSGeorge Wilson */ 32374263d13fSGeorge Wilson int 32384263d13fSGeorge Wilson zpool_reopen(zpool_handle_t *zhp) 32394263d13fSGeorge Wilson { 32404263d13fSGeorge Wilson zfs_cmd_t zc = { 0 }; 32414263d13fSGeorge Wilson char msg[1024]; 32424263d13fSGeorge Wilson libzfs_handle_t *hdl = zhp->zpool_hdl; 32434263d13fSGeorge Wilson 32444263d13fSGeorge Wilson (void) snprintf(msg, sizeof (msg), 32454263d13fSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), 32464263d13fSGeorge Wilson zhp->zpool_name); 32474263d13fSGeorge Wilson 32484263d13fSGeorge Wilson (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 32494263d13fSGeorge Wilson if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0) 32504263d13fSGeorge Wilson return (0); 32514263d13fSGeorge Wilson return (zpool_standard_error(hdl, errno, msg)); 32524263d13fSGeorge Wilson } 32534263d13fSGeorge Wilson 3254c67d9675Seschrock /* 3255c67d9675Seschrock * Convert from a devid string to a path. 3256c67d9675Seschrock */ 3257c67d9675Seschrock static char * 3258c67d9675Seschrock devid_to_path(char *devid_str) 3259c67d9675Seschrock { 3260c67d9675Seschrock ddi_devid_t devid; 3261c67d9675Seschrock char *minor; 3262c67d9675Seschrock char *path; 3263c67d9675Seschrock devid_nmlist_t *list = NULL; 3264c67d9675Seschrock int ret; 3265c67d9675Seschrock 3266c67d9675Seschrock if (devid_str_decode(devid_str, &devid, &minor) != 0) 3267c67d9675Seschrock return (NULL); 3268c67d9675Seschrock 3269c67d9675Seschrock ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); 3270c67d9675Seschrock 3271c67d9675Seschrock devid_str_free(minor); 3272c67d9675Seschrock devid_free(devid); 3273c67d9675Seschrock 3274c67d9675Seschrock if (ret != 0) 3275c67d9675Seschrock return (NULL); 3276c67d9675Seschrock 327799653d4eSeschrock if ((path = strdup(list[0].devname)) == NULL) 327899653d4eSeschrock return (NULL); 327999653d4eSeschrock 3280c67d9675Seschrock devid_free_nmlist(list); 3281c67d9675Seschrock 3282c67d9675Seschrock return (path); 3283c67d9675Seschrock } 3284c67d9675Seschrock 3285c67d9675Seschrock /* 3286c67d9675Seschrock * Convert from a path to a devid string. 3287c67d9675Seschrock */ 3288c67d9675Seschrock static char * 3289c67d9675Seschrock path_to_devid(const char *path) 3290c67d9675Seschrock { 3291c67d9675Seschrock int fd; 3292c67d9675Seschrock ddi_devid_t devid; 3293c67d9675Seschrock char *minor, *ret; 3294c67d9675Seschrock 3295c67d9675Seschrock if ((fd = open(path, O_RDONLY)) < 0) 3296c67d9675Seschrock return (NULL); 3297c67d9675Seschrock 3298c67d9675Seschrock minor = NULL; 3299c67d9675Seschrock ret = NULL; 3300c67d9675Seschrock if (devid_get(fd, &devid) == 0) { 3301c67d9675Seschrock if (devid_get_minor_name(fd, &minor) == 0) 3302c67d9675Seschrock ret = devid_str_encode(devid, minor); 3303c67d9675Seschrock if (minor != NULL) 3304c67d9675Seschrock devid_str_free(minor); 3305c67d9675Seschrock devid_free(devid); 3306c67d9675Seschrock } 3307c67d9675Seschrock (void) close(fd); 3308c67d9675Seschrock 3309c67d9675Seschrock return (ret); 3310c67d9675Seschrock } 3311c67d9675Seschrock 3312c67d9675Seschrock /* 3313c67d9675Seschrock * Issue the necessary ioctl() to update the stored path value for the vdev. We 3314c67d9675Seschrock * ignore any failure here, since a common case is for an unprivileged user to 3315c67d9675Seschrock * type 'zpool status', and we'll display the correct information anyway. 3316c67d9675Seschrock */ 3317c67d9675Seschrock static void 3318c67d9675Seschrock set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) 3319c67d9675Seschrock { 3320c67d9675Seschrock zfs_cmd_t zc = { 0 }; 3321c67d9675Seschrock 3322c67d9675Seschrock (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3323e9dbad6fSeschrock (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); 3324c67d9675Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3325ea8dc4b6Seschrock &zc.zc_guid) == 0); 3326c67d9675Seschrock 332799653d4eSeschrock (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); 3328c67d9675Seschrock } 3329c67d9675Seschrock 3330c67d9675Seschrock /* 3331c67d9675Seschrock * Given a vdev, return the name to display in iostat. If the vdev has a path, 3332c67d9675Seschrock * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. 3333c67d9675Seschrock * We also check if this is a whole disk, in which case we strip off the 3334c67d9675Seschrock * trailing 's0' slice name. 3335c67d9675Seschrock * 3336c67d9675Seschrock * This routine is also responsible for identifying when disks have been 3337c67d9675Seschrock * reconfigured in a new location. The kernel will have opened the device by 3338c67d9675Seschrock * devid, but the path will still refer to the old location. To catch this, we 3339c67d9675Seschrock * first do a path -> devid translation (which is fast for the common case). If 3340c67d9675Seschrock * the devid matches, we're done. If not, we do a reverse devid -> path 3341c67d9675Seschrock * translation and issue the appropriate ioctl() to update the path of the vdev. 3342c67d9675Seschrock * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any 3343c67d9675Seschrock * of these checks. 3344c67d9675Seschrock */ 3345c67d9675Seschrock char * 334688ecc943SGeorge Wilson zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, 334788ecc943SGeorge Wilson boolean_t verbose) 3348c67d9675Seschrock { 3349c67d9675Seschrock char *path, *devid; 3350ea8dc4b6Seschrock uint64_t value; 3351ea8dc4b6Seschrock char buf[64]; 33523d7072f8Seschrock vdev_stat_t *vs; 33533d7072f8Seschrock uint_t vsc; 3354c67d9675Seschrock 3355ea8dc4b6Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 3356ea8dc4b6Seschrock &value) == 0) { 3357ea8dc4b6Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3358ea8dc4b6Seschrock &value) == 0); 33595ad82045Snd (void) snprintf(buf, sizeof (buf), "%llu", 33605ad82045Snd (u_longlong_t)value); 3361ea8dc4b6Seschrock path = buf; 3362ea8dc4b6Seschrock } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 3363c67d9675Seschrock 33643d7072f8Seschrock /* 33653d7072f8Seschrock * If the device is dead (faulted, offline, etc) then don't 33663d7072f8Seschrock * bother opening it. Otherwise we may be forcing the user to 33673d7072f8Seschrock * open a misbehaving device, which can have undesirable 33683d7072f8Seschrock * effects. 33693d7072f8Seschrock */ 33703f9d6ad7SLin Ling if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 33713d7072f8Seschrock (uint64_t **)&vs, &vsc) != 0 || 33723d7072f8Seschrock vs->vs_state >= VDEV_STATE_DEGRADED) && 33733d7072f8Seschrock zhp != NULL && 3374c67d9675Seschrock nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { 3375c67d9675Seschrock /* 3376c67d9675Seschrock * Determine if the current path is correct. 3377c67d9675Seschrock */ 3378c67d9675Seschrock char *newdevid = path_to_devid(path); 3379c67d9675Seschrock 3380c67d9675Seschrock if (newdevid == NULL || 3381c67d9675Seschrock strcmp(devid, newdevid) != 0) { 3382c67d9675Seschrock char *newpath; 3383c67d9675Seschrock 3384c67d9675Seschrock if ((newpath = devid_to_path(devid)) != NULL) { 3385c67d9675Seschrock /* 3386c67d9675Seschrock * Update the path appropriately. 3387c67d9675Seschrock */ 3388c67d9675Seschrock set_path(zhp, nv, newpath); 338999653d4eSeschrock if (nvlist_add_string(nv, 339099653d4eSeschrock ZPOOL_CONFIG_PATH, newpath) == 0) 339199653d4eSeschrock verify(nvlist_lookup_string(nv, 339299653d4eSeschrock ZPOOL_CONFIG_PATH, 339399653d4eSeschrock &path) == 0); 3394c67d9675Seschrock free(newpath); 3395c67d9675Seschrock } 3396c67d9675Seschrock } 3397c67d9675Seschrock 339899653d4eSeschrock if (newdevid) 339999653d4eSeschrock devid_str_free(newdevid); 3400c67d9675Seschrock } 3401c67d9675Seschrock 3402c67d9675Seschrock if (strncmp(path, "/dev/dsk/", 9) == 0) 3403c67d9675Seschrock path += 9; 3404c67d9675Seschrock 3405c67d9675Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 3406ea8dc4b6Seschrock &value) == 0 && value) { 34073fdda499SJohn Harres int pathlen = strlen(path); 340899653d4eSeschrock char *tmp = zfs_strdup(hdl, path); 34093fdda499SJohn Harres 34103fdda499SJohn Harres /* 34113fdda499SJohn Harres * If it starts with c#, and ends with "s0", chop 34123fdda499SJohn Harres * the "s0" off, or if it ends with "s0/old", remove 34133fdda499SJohn Harres * the "s0" from the middle. 34143fdda499SJohn Harres */ 34153fdda499SJohn Harres if (CTD_CHECK(tmp)) { 34163fdda499SJohn Harres if (strcmp(&tmp[pathlen - 2], "s0") == 0) { 34173fdda499SJohn Harres tmp[pathlen - 2] = '\0'; 34183fdda499SJohn Harres } else if (pathlen > 6 && 34193fdda499SJohn Harres strcmp(&tmp[pathlen - 6], "s0/old") == 0) { 34203fdda499SJohn Harres (void) strcpy(&tmp[pathlen - 6], 34213fdda499SJohn Harres "/old"); 34223fdda499SJohn Harres } 34233fdda499SJohn Harres } 3424c67d9675Seschrock return (tmp); 3425c67d9675Seschrock } 3426c67d9675Seschrock } else { 3427c67d9675Seschrock verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); 342899653d4eSeschrock 342999653d4eSeschrock /* 343099653d4eSeschrock * If it's a raidz device, we need to stick in the parity level. 343199653d4eSeschrock */ 343299653d4eSeschrock if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { 343399653d4eSeschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, 343499653d4eSeschrock &value) == 0); 343599653d4eSeschrock (void) snprintf(buf, sizeof (buf), "%s%llu", path, 34365ad82045Snd (u_longlong_t)value); 343799653d4eSeschrock path = buf; 343899653d4eSeschrock } 343988ecc943SGeorge Wilson 344088ecc943SGeorge Wilson /* 344188ecc943SGeorge Wilson * We identify each top-level vdev by using a <type-id> 344288ecc943SGeorge Wilson * naming convention. 344388ecc943SGeorge Wilson */ 344488ecc943SGeorge Wilson if (verbose) { 344588ecc943SGeorge Wilson uint64_t id; 344688ecc943SGeorge Wilson 344788ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 344888ecc943SGeorge Wilson &id) == 0); 344988ecc943SGeorge Wilson (void) snprintf(buf, sizeof (buf), "%s-%llu", path, 345088ecc943SGeorge Wilson (u_longlong_t)id); 345188ecc943SGeorge Wilson path = buf; 345288ecc943SGeorge Wilson } 3453c67d9675Seschrock } 3454c67d9675Seschrock 345599653d4eSeschrock return (zfs_strdup(hdl, path)); 3456c67d9675Seschrock } 3457ea8dc4b6Seschrock 3458ea8dc4b6Seschrock static int 3459ea8dc4b6Seschrock zbookmark_compare(const void *a, const void *b) 3460ea8dc4b6Seschrock { 3461ea8dc4b6Seschrock return (memcmp(a, b, sizeof (zbookmark_t))); 3462ea8dc4b6Seschrock } 3463ea8dc4b6Seschrock 3464ea8dc4b6Seschrock /* 3465ea8dc4b6Seschrock * Retrieve the persistent error log, uniquify the members, and return to the 3466ea8dc4b6Seschrock * caller. 3467ea8dc4b6Seschrock */ 3468ea8dc4b6Seschrock int 346955434c77Sek zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) 3470ea8dc4b6Seschrock { 3471ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3472ea8dc4b6Seschrock uint64_t count; 3473e9dbad6fSeschrock zbookmark_t *zb = NULL; 347455434c77Sek int i; 3475ea8dc4b6Seschrock 3476ea8dc4b6Seschrock /* 3477ea8dc4b6Seschrock * Retrieve the raw error list from the kernel. If the number of errors 3478ea8dc4b6Seschrock * has increased, allocate more space and continue until we get the 3479ea8dc4b6Seschrock * entire list. 3480ea8dc4b6Seschrock */ 3481ea8dc4b6Seschrock verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, 3482ea8dc4b6Seschrock &count) == 0); 348375519f38Sek if (count == 0) 348475519f38Sek return (0); 3485e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, 34865ad82045Snd count * sizeof (zbookmark_t))) == (uintptr_t)NULL) 348799653d4eSeschrock return (-1); 3488e9dbad6fSeschrock zc.zc_nvlist_dst_size = count; 3489ea8dc4b6Seschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3490ea8dc4b6Seschrock for (;;) { 349199653d4eSeschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, 349299653d4eSeschrock &zc) != 0) { 3493e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 3494ea8dc4b6Seschrock if (errno == ENOMEM) { 3495bf561db0Svb count = zc.zc_nvlist_dst_size; 3496e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t) 3497bf561db0Svb zfs_alloc(zhp->zpool_hdl, count * 3498bf561db0Svb sizeof (zbookmark_t))) == (uintptr_t)NULL) 349999653d4eSeschrock return (-1); 3500ea8dc4b6Seschrock } else { 3501ea8dc4b6Seschrock return (-1); 3502ea8dc4b6Seschrock } 3503ea8dc4b6Seschrock } else { 3504ea8dc4b6Seschrock break; 3505ea8dc4b6Seschrock } 3506ea8dc4b6Seschrock } 3507ea8dc4b6Seschrock 3508ea8dc4b6Seschrock /* 3509ea8dc4b6Seschrock * Sort the resulting bookmarks. This is a little confusing due to the 3510ea8dc4b6Seschrock * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last 3511e9dbad6fSeschrock * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks 3512ea8dc4b6Seschrock * _not_ copied as part of the process. So we point the start of our 3513ea8dc4b6Seschrock * array appropriate and decrement the total number of elements. 3514ea8dc4b6Seschrock */ 3515e9dbad6fSeschrock zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + 3516e9dbad6fSeschrock zc.zc_nvlist_dst_size; 3517e9dbad6fSeschrock count -= zc.zc_nvlist_dst_size; 3518ea8dc4b6Seschrock 3519ea8dc4b6Seschrock qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); 3520ea8dc4b6Seschrock 352155434c77Sek verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); 3522ea8dc4b6Seschrock 3523ea8dc4b6Seschrock /* 352455434c77Sek * Fill in the nverrlistp with nvlist's of dataset and object numbers. 3525ea8dc4b6Seschrock */ 3526ea8dc4b6Seschrock for (i = 0; i < count; i++) { 3527ea8dc4b6Seschrock nvlist_t *nv; 3528ea8dc4b6Seschrock 3529c0a81264Sek /* ignoring zb_blkid and zb_level for now */ 3530c0a81264Sek if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && 3531c0a81264Sek zb[i-1].zb_object == zb[i].zb_object) 3532ea8dc4b6Seschrock continue; 3533ea8dc4b6Seschrock 353455434c77Sek if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) 353555434c77Sek goto nomem; 353655434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, 353755434c77Sek zb[i].zb_objset) != 0) { 353855434c77Sek nvlist_free(nv); 353999653d4eSeschrock goto nomem; 3540ea8dc4b6Seschrock } 354155434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, 354255434c77Sek zb[i].zb_object) != 0) { 354355434c77Sek nvlist_free(nv); 354455434c77Sek goto nomem; 354555434c77Sek } 354655434c77Sek if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { 354755434c77Sek nvlist_free(nv); 354855434c77Sek goto nomem; 354955434c77Sek } 355055434c77Sek nvlist_free(nv); 3551ea8dc4b6Seschrock } 3552ea8dc4b6Seschrock 35533ccfa83cSahrens free((void *)(uintptr_t)zc.zc_nvlist_dst); 3554ea8dc4b6Seschrock return (0); 355599653d4eSeschrock 355699653d4eSeschrock nomem: 3557e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 355899653d4eSeschrock return (no_memory(zhp->zpool_hdl)); 3559ea8dc4b6Seschrock } 3560eaca9bbdSeschrock 3561eaca9bbdSeschrock /* 3562eaca9bbdSeschrock * Upgrade a ZFS pool to the latest on-disk version. 3563eaca9bbdSeschrock */ 3564eaca9bbdSeschrock int 3565990b4856Slling zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) 3566eaca9bbdSeschrock { 3567eaca9bbdSeschrock zfs_cmd_t zc = { 0 }; 356899653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3569eaca9bbdSeschrock 3570eaca9bbdSeschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3571990b4856Slling zc.zc_cookie = new_version; 3572990b4856Slling 3573ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) 3574ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 357599653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), 357699653d4eSeschrock zhp->zpool_name)); 3577eaca9bbdSeschrock return (0); 3578eaca9bbdSeschrock } 357906eeb2adSek 358006eeb2adSek void 3581*4445fffbSMatthew Ahrens zfs_save_arguments(int argc, char **argv, char *string, int len) 358206eeb2adSek { 3583*4445fffbSMatthew Ahrens (void) strlcpy(string, basename(argv[0]), len); 3584*4445fffbSMatthew Ahrens for (int i = 1; i < argc; i++) { 3585*4445fffbSMatthew Ahrens (void) strlcat(string, " ", len); 3586*4445fffbSMatthew Ahrens (void) strlcat(string, argv[i], len); 35872a6b87f0Sek } 35882a6b87f0Sek } 35892a6b87f0Sek 35902a6b87f0Sek int 3591*4445fffbSMatthew Ahrens zpool_log_history(libzfs_handle_t *hdl, const char *message) 35922a6b87f0Sek { 3593*4445fffbSMatthew Ahrens zfs_cmd_t zc = { 0 }; 3594*4445fffbSMatthew Ahrens nvlist_t *args; 3595*4445fffbSMatthew Ahrens int err; 3596*4445fffbSMatthew Ahrens 3597*4445fffbSMatthew Ahrens args = fnvlist_alloc(); 3598*4445fffbSMatthew Ahrens fnvlist_add_string(args, "message", message); 3599*4445fffbSMatthew Ahrens err = zcmd_write_src_nvlist(hdl, &zc, args); 3600*4445fffbSMatthew Ahrens if (err == 0) 3601*4445fffbSMatthew Ahrens err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc); 3602*4445fffbSMatthew Ahrens nvlist_free(args); 3603*4445fffbSMatthew Ahrens zcmd_free_nvlists(&zc); 3604*4445fffbSMatthew Ahrens return (err); 360506eeb2adSek } 360606eeb2adSek 360706eeb2adSek /* 360806eeb2adSek * Perform ioctl to get some command history of a pool. 360906eeb2adSek * 361006eeb2adSek * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the 361106eeb2adSek * logical offset of the history buffer to start reading from. 361206eeb2adSek * 361306eeb2adSek * Upon return, 'off' is the next logical offset to read from and 361406eeb2adSek * 'len' is the actual amount of bytes read into 'buf'. 361506eeb2adSek */ 361606eeb2adSek static int 361706eeb2adSek get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) 361806eeb2adSek { 361906eeb2adSek zfs_cmd_t zc = { 0 }; 362006eeb2adSek libzfs_handle_t *hdl = zhp->zpool_hdl; 362106eeb2adSek 362206eeb2adSek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 362306eeb2adSek 362406eeb2adSek zc.zc_history = (uint64_t)(uintptr_t)buf; 362506eeb2adSek zc.zc_history_len = *len; 362606eeb2adSek zc.zc_history_offset = *off; 362706eeb2adSek 362806eeb2adSek if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { 362906eeb2adSek switch (errno) { 363006eeb2adSek case EPERM: 3631ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_PERM, 3632ece3d9b3Slling dgettext(TEXT_DOMAIN, 363306eeb2adSek "cannot show history for pool '%s'"), 363406eeb2adSek zhp->zpool_name)); 363506eeb2adSek case ENOENT: 3636ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_NOHISTORY, 363706eeb2adSek dgettext(TEXT_DOMAIN, "cannot get history for pool " 363806eeb2adSek "'%s'"), zhp->zpool_name)); 3639d7306b64Sek case ENOTSUP: 3640d7306b64Sek return (zfs_error_fmt(hdl, EZFS_BADVERSION, 3641d7306b64Sek dgettext(TEXT_DOMAIN, "cannot get history for pool " 3642d7306b64Sek "'%s', pool must be upgraded"), zhp->zpool_name)); 364306eeb2adSek default: 3644ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 364506eeb2adSek dgettext(TEXT_DOMAIN, 364606eeb2adSek "cannot get history for '%s'"), zhp->zpool_name)); 364706eeb2adSek } 364806eeb2adSek } 364906eeb2adSek 365006eeb2adSek *len = zc.zc_history_len; 365106eeb2adSek *off = zc.zc_history_offset; 365206eeb2adSek 365306eeb2adSek return (0); 365406eeb2adSek } 365506eeb2adSek 365606eeb2adSek /* 365706eeb2adSek * Process the buffer of nvlists, unpacking and storing each nvlist record 365806eeb2adSek * into 'records'. 'leftover' is set to the number of bytes that weren't 365906eeb2adSek * processed as there wasn't a complete record. 366006eeb2adSek */ 36618f18d1faSGeorge Wilson int 366206eeb2adSek zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, 366306eeb2adSek nvlist_t ***records, uint_t *numrecords) 366406eeb2adSek { 366506eeb2adSek uint64_t reclen; 366606eeb2adSek nvlist_t *nv; 366706eeb2adSek int i; 366806eeb2adSek 366906eeb2adSek while (bytes_read > sizeof (reclen)) { 367006eeb2adSek 367106eeb2adSek /* get length of packed record (stored as little endian) */ 367206eeb2adSek for (i = 0, reclen = 0; i < sizeof (reclen); i++) 367306eeb2adSek reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); 367406eeb2adSek 367506eeb2adSek if (bytes_read < sizeof (reclen) + reclen) 367606eeb2adSek break; 367706eeb2adSek 367806eeb2adSek /* unpack record */ 367906eeb2adSek if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) 368006eeb2adSek return (ENOMEM); 368106eeb2adSek bytes_read -= sizeof (reclen) + reclen; 368206eeb2adSek buf += sizeof (reclen) + reclen; 368306eeb2adSek 368406eeb2adSek /* add record to nvlist array */ 368506eeb2adSek (*numrecords)++; 368606eeb2adSek if (ISP2(*numrecords + 1)) { 368706eeb2adSek *records = realloc(*records, 368806eeb2adSek *numrecords * 2 * sizeof (nvlist_t *)); 368906eeb2adSek } 369006eeb2adSek (*records)[*numrecords - 1] = nv; 369106eeb2adSek } 369206eeb2adSek 369306eeb2adSek *leftover = bytes_read; 369406eeb2adSek return (0); 369506eeb2adSek } 369606eeb2adSek 369706eeb2adSek #define HIS_BUF_LEN (128*1024) 369806eeb2adSek 369906eeb2adSek /* 370006eeb2adSek * Retrieve the command history of a pool. 370106eeb2adSek */ 370206eeb2adSek int 370306eeb2adSek zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) 370406eeb2adSek { 370506eeb2adSek char buf[HIS_BUF_LEN]; 370606eeb2adSek uint64_t off = 0; 370706eeb2adSek nvlist_t **records = NULL; 370806eeb2adSek uint_t numrecords = 0; 370906eeb2adSek int err, i; 371006eeb2adSek 371106eeb2adSek do { 371206eeb2adSek uint64_t bytes_read = sizeof (buf); 371306eeb2adSek uint64_t leftover; 371406eeb2adSek 371506eeb2adSek if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) 371606eeb2adSek break; 371706eeb2adSek 371806eeb2adSek /* if nothing else was read in, we're at EOF, just return */ 371906eeb2adSek if (!bytes_read) 372006eeb2adSek break; 372106eeb2adSek 372206eeb2adSek if ((err = zpool_history_unpack(buf, bytes_read, 372306eeb2adSek &leftover, &records, &numrecords)) != 0) 372406eeb2adSek break; 372506eeb2adSek off -= leftover; 372606eeb2adSek 372706eeb2adSek /* CONSTCOND */ 372806eeb2adSek } while (1); 372906eeb2adSek 373006eeb2adSek if (!err) { 373106eeb2adSek verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); 373206eeb2adSek verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, 373306eeb2adSek records, numrecords) == 0); 373406eeb2adSek } 373506eeb2adSek for (i = 0; i < numrecords; i++) 373606eeb2adSek nvlist_free(records[i]); 373706eeb2adSek free(records); 373806eeb2adSek 373906eeb2adSek return (err); 374006eeb2adSek } 374155434c77Sek 374255434c77Sek void 374355434c77Sek zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, 374455434c77Sek char *pathname, size_t len) 374555434c77Sek { 374655434c77Sek zfs_cmd_t zc = { 0 }; 374755434c77Sek boolean_t mounted = B_FALSE; 374855434c77Sek char *mntpnt = NULL; 374955434c77Sek char dsname[MAXNAMELEN]; 375055434c77Sek 375155434c77Sek if (dsobj == 0) { 375255434c77Sek /* special case for the MOS */ 375355434c77Sek (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj); 375455434c77Sek return; 375555434c77Sek } 375655434c77Sek 375755434c77Sek /* get the dataset's name */ 375855434c77Sek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 375955434c77Sek zc.zc_obj = dsobj; 376055434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, 376155434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { 376255434c77Sek /* just write out a path of two object numbers */ 376355434c77Sek (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", 376455434c77Sek dsobj, obj); 376555434c77Sek return; 376655434c77Sek } 376755434c77Sek (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); 376855434c77Sek 376955434c77Sek /* find out if the dataset is mounted */ 377055434c77Sek mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); 377155434c77Sek 377255434c77Sek /* get the corrupted object's path */ 377355434c77Sek (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); 377455434c77Sek zc.zc_obj = obj; 377555434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, 377655434c77Sek &zc) == 0) { 377755434c77Sek if (mounted) { 377855434c77Sek (void) snprintf(pathname, len, "%s%s", mntpnt, 377955434c77Sek zc.zc_value); 378055434c77Sek } else { 378155434c77Sek (void) snprintf(pathname, len, "%s:%s", 378255434c77Sek dsname, zc.zc_value); 378355434c77Sek } 378455434c77Sek } else { 378555434c77Sek (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj); 378655434c77Sek } 378755434c77Sek free(mntpnt); 378855434c77Sek } 3789b1b8ab34Slling 379015e6edf1Sgw /* 379115e6edf1Sgw * Read the EFI label from the config, if a label does not exist then 379215e6edf1Sgw * pass back the error to the caller. If the caller has passed a non-NULL 379315e6edf1Sgw * diskaddr argument then we set it to the starting address of the EFI 379415e6edf1Sgw * partition. 379515e6edf1Sgw */ 379615e6edf1Sgw static int 379715e6edf1Sgw read_efi_label(nvlist_t *config, diskaddr_t *sb) 379815e6edf1Sgw { 379915e6edf1Sgw char *path; 380015e6edf1Sgw int fd; 380115e6edf1Sgw char diskname[MAXPATHLEN]; 380215e6edf1Sgw int err = -1; 380315e6edf1Sgw 380415e6edf1Sgw if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) 380515e6edf1Sgw return (err); 380615e6edf1Sgw 380715e6edf1Sgw (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT, 380815e6edf1Sgw strrchr(path, '/')); 380915e6edf1Sgw if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { 381015e6edf1Sgw struct dk_gpt *vtoc; 381115e6edf1Sgw 381215e6edf1Sgw if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { 381315e6edf1Sgw if (sb != NULL) 381415e6edf1Sgw *sb = vtoc->efi_parts[0].p_start; 381515e6edf1Sgw efi_free(vtoc); 381615e6edf1Sgw } 381715e6edf1Sgw (void) close(fd); 381815e6edf1Sgw } 381915e6edf1Sgw return (err); 382015e6edf1Sgw } 382115e6edf1Sgw 38228488aeb5Staylor /* 38238488aeb5Staylor * determine where a partition starts on a disk in the current 38248488aeb5Staylor * configuration 38258488aeb5Staylor */ 38268488aeb5Staylor static diskaddr_t 38278488aeb5Staylor find_start_block(nvlist_t *config) 38288488aeb5Staylor { 38298488aeb5Staylor nvlist_t **child; 38308488aeb5Staylor uint_t c, children; 38318488aeb5Staylor diskaddr_t sb = MAXOFFSET_T; 38328488aeb5Staylor uint64_t wholedisk; 38338488aeb5Staylor 38348488aeb5Staylor if (nvlist_lookup_nvlist_array(config, 38358488aeb5Staylor ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { 38368488aeb5Staylor if (nvlist_lookup_uint64(config, 38378488aeb5Staylor ZPOOL_CONFIG_WHOLE_DISK, 38388488aeb5Staylor &wholedisk) != 0 || !wholedisk) { 38398488aeb5Staylor return (MAXOFFSET_T); 38408488aeb5Staylor } 384115e6edf1Sgw if (read_efi_label(config, &sb) < 0) 384215e6edf1Sgw sb = MAXOFFSET_T; 38438488aeb5Staylor return (sb); 38448488aeb5Staylor } 38458488aeb5Staylor 38468488aeb5Staylor for (c = 0; c < children; c++) { 38478488aeb5Staylor sb = find_start_block(child[c]); 38488488aeb5Staylor if (sb != MAXOFFSET_T) { 38498488aeb5Staylor return (sb); 38508488aeb5Staylor } 38518488aeb5Staylor } 38528488aeb5Staylor return (MAXOFFSET_T); 38538488aeb5Staylor } 38548488aeb5Staylor 38558488aeb5Staylor /* 38568488aeb5Staylor * Label an individual disk. The name provided is the short name, 38578488aeb5Staylor * stripped of any leading /dev path. 38588488aeb5Staylor */ 38598488aeb5Staylor int 38608488aeb5Staylor zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) 38618488aeb5Staylor { 38628488aeb5Staylor char path[MAXPATHLEN]; 38638488aeb5Staylor struct dk_gpt *vtoc; 38648488aeb5Staylor int fd; 38658488aeb5Staylor size_t resv = EFI_MIN_RESV_SIZE; 38668488aeb5Staylor uint64_t slice_size; 38678488aeb5Staylor diskaddr_t start_block; 38688488aeb5Staylor char errbuf[1024]; 38698488aeb5Staylor 3870c6ef114fSmmusante /* prepare an error message just in case */ 3871c6ef114fSmmusante (void) snprintf(errbuf, sizeof (errbuf), 3872c6ef114fSmmusante dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); 3873c6ef114fSmmusante 38748488aeb5Staylor if (zhp) { 38758488aeb5Staylor nvlist_t *nvroot; 38768488aeb5Staylor 38774263d13fSGeorge Wilson if (zpool_is_bootable(zhp)) { 3878b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3879b5b76fecSGeorge Wilson "EFI labeled devices are not supported on root " 3880b5b76fecSGeorge Wilson "pools.")); 3881b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); 3882b5b76fecSGeorge Wilson } 3883b5b76fecSGeorge Wilson 38848488aeb5Staylor verify(nvlist_lookup_nvlist(zhp->zpool_config, 38858488aeb5Staylor ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 38868488aeb5Staylor 38878488aeb5Staylor if (zhp->zpool_start_block == 0) 38888488aeb5Staylor start_block = find_start_block(nvroot); 38898488aeb5Staylor else 38908488aeb5Staylor start_block = zhp->zpool_start_block; 38918488aeb5Staylor zhp->zpool_start_block = start_block; 38928488aeb5Staylor } else { 38938488aeb5Staylor /* new pool */ 38948488aeb5Staylor start_block = NEW_START_BLOCK; 38958488aeb5Staylor } 38968488aeb5Staylor 38978488aeb5Staylor (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, 38988488aeb5Staylor BACKUP_SLICE); 38998488aeb5Staylor 39008488aeb5Staylor if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 39018488aeb5Staylor /* 39028488aeb5Staylor * This shouldn't happen. We've long since verified that this 39038488aeb5Staylor * is a valid device. 39048488aeb5Staylor */ 3905c6ef114fSmmusante zfs_error_aux(hdl, 3906c6ef114fSmmusante dgettext(TEXT_DOMAIN, "unable to open device")); 39078488aeb5Staylor return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 39088488aeb5Staylor } 39098488aeb5Staylor 39108488aeb5Staylor if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { 39118488aeb5Staylor /* 39128488aeb5Staylor * The only way this can fail is if we run out of memory, or we 39138488aeb5Staylor * were unable to read the disk's capacity 39148488aeb5Staylor */ 39158488aeb5Staylor if (errno == ENOMEM) 39168488aeb5Staylor (void) no_memory(hdl); 39178488aeb5Staylor 39188488aeb5Staylor (void) close(fd); 3919c6ef114fSmmusante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3920c6ef114fSmmusante "unable to read disk capacity"), name); 39218488aeb5Staylor 39228488aeb5Staylor return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 39238488aeb5Staylor } 39248488aeb5Staylor 39258488aeb5Staylor slice_size = vtoc->efi_last_u_lba + 1; 39268488aeb5Staylor slice_size -= EFI_MIN_RESV_SIZE; 39278488aeb5Staylor if (start_block == MAXOFFSET_T) 39288488aeb5Staylor start_block = NEW_START_BLOCK; 39298488aeb5Staylor slice_size -= start_block; 39308488aeb5Staylor 39318488aeb5Staylor vtoc->efi_parts[0].p_start = start_block; 39328488aeb5Staylor vtoc->efi_parts[0].p_size = slice_size; 39338488aeb5Staylor 39348488aeb5Staylor /* 39358488aeb5Staylor * Why we use V_USR: V_BACKUP confuses users, and is considered 39368488aeb5Staylor * disposable by some EFI utilities (since EFI doesn't have a backup 39378488aeb5Staylor * slice). V_UNASSIGNED is supposed to be used only for zero size 39388488aeb5Staylor * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, 39398488aeb5Staylor * etc. were all pretty specific. V_USR is as close to reality as we 39408488aeb5Staylor * can get, in the absence of V_OTHER. 39418488aeb5Staylor */ 39428488aeb5Staylor vtoc->efi_parts[0].p_tag = V_USR; 39438488aeb5Staylor (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); 39448488aeb5Staylor 39458488aeb5Staylor vtoc->efi_parts[8].p_start = slice_size + start_block; 39468488aeb5Staylor vtoc->efi_parts[8].p_size = resv; 39478488aeb5Staylor vtoc->efi_parts[8].p_tag = V_RESERVED; 39488488aeb5Staylor 39498488aeb5Staylor if (efi_write(fd, vtoc) != 0) { 39508488aeb5Staylor /* 39518488aeb5Staylor * Some block drivers (like pcata) may not support EFI 39528488aeb5Staylor * GPT labels. Print out a helpful error message dir- 39538488aeb5Staylor * ecting the user to manually label the disk and give 39548488aeb5Staylor * a specific slice. 39558488aeb5Staylor */ 39568488aeb5Staylor (void) close(fd); 39578488aeb5Staylor efi_free(vtoc); 39588488aeb5Staylor 39598488aeb5Staylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3960c6ef114fSmmusante "try using fdisk(1M) and then provide a specific slice")); 39618488aeb5Staylor return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); 39628488aeb5Staylor } 39638488aeb5Staylor 39648488aeb5Staylor (void) close(fd); 39658488aeb5Staylor efi_free(vtoc); 39668488aeb5Staylor return (0); 39678488aeb5Staylor } 3968e7cbe64fSgw 3969e7cbe64fSgw static boolean_t 3970e7cbe64fSgw supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) 3971e7cbe64fSgw { 3972e7cbe64fSgw char *type; 3973e7cbe64fSgw nvlist_t **child; 3974e7cbe64fSgw uint_t children, c; 3975e7cbe64fSgw 3976e7cbe64fSgw verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); 3977e7cbe64fSgw if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 || 3978e7cbe64fSgw strcmp(type, VDEV_TYPE_FILE) == 0 || 3979e7cbe64fSgw strcmp(type, VDEV_TYPE_LOG) == 0 || 398088ecc943SGeorge Wilson strcmp(type, VDEV_TYPE_HOLE) == 0 || 3981e7cbe64fSgw strcmp(type, VDEV_TYPE_MISSING) == 0) { 3982e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3983e7cbe64fSgw "vdev type '%s' is not supported"), type); 3984e7cbe64fSgw (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); 3985e7cbe64fSgw return (B_FALSE); 3986e7cbe64fSgw } 3987e7cbe64fSgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 3988e7cbe64fSgw &child, &children) == 0) { 3989e7cbe64fSgw for (c = 0; c < children; c++) { 3990e7cbe64fSgw if (!supported_dump_vdev_type(hdl, child[c], errbuf)) 3991e7cbe64fSgw return (B_FALSE); 3992e7cbe64fSgw } 3993e7cbe64fSgw } 3994e7cbe64fSgw return (B_TRUE); 3995e7cbe64fSgw } 3996e7cbe64fSgw 3997e7cbe64fSgw /* 3998e7cbe64fSgw * check if this zvol is allowable for use as a dump device; zero if 3999e7cbe64fSgw * it is, > 0 if it isn't, < 0 if it isn't a zvol 4000e7cbe64fSgw */ 4001e7cbe64fSgw int 4002e7cbe64fSgw zvol_check_dump_config(char *arg) 4003e7cbe64fSgw { 4004e7cbe64fSgw zpool_handle_t *zhp = NULL; 4005e7cbe64fSgw nvlist_t *config, *nvroot; 4006e7cbe64fSgw char *p, *volname; 4007e7cbe64fSgw nvlist_t **top; 4008e7cbe64fSgw uint_t toplevels; 4009e7cbe64fSgw libzfs_handle_t *hdl; 4010e7cbe64fSgw char errbuf[1024]; 4011e7cbe64fSgw char poolname[ZPOOL_MAXNAMELEN]; 4012e7cbe64fSgw int pathlen = strlen(ZVOL_FULL_DEV_DIR); 4013e7cbe64fSgw int ret = 1; 4014e7cbe64fSgw 4015e7cbe64fSgw if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { 4016e7cbe64fSgw return (-1); 4017e7cbe64fSgw } 4018e7cbe64fSgw 4019e7cbe64fSgw (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4020e7cbe64fSgw "dump is not supported on device '%s'"), arg); 4021e7cbe64fSgw 4022e7cbe64fSgw if ((hdl = libzfs_init()) == NULL) 4023e7cbe64fSgw return (1); 4024e7cbe64fSgw libzfs_print_on_error(hdl, B_TRUE); 4025e7cbe64fSgw 4026e7cbe64fSgw volname = arg + pathlen; 4027e7cbe64fSgw 4028e7cbe64fSgw /* check the configuration of the pool */ 4029e7cbe64fSgw if ((p = strchr(volname, '/')) == NULL) { 4030e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4031e7cbe64fSgw "malformed dataset name")); 4032e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 4033e7cbe64fSgw return (1); 4034e7cbe64fSgw } else if (p - volname >= ZFS_MAXNAMELEN) { 4035e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4036e7cbe64fSgw "dataset name is too long")); 4037e7cbe64fSgw (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); 4038e7cbe64fSgw return (1); 4039e7cbe64fSgw } else { 4040e7cbe64fSgw (void) strncpy(poolname, volname, p - volname); 4041e7cbe64fSgw poolname[p - volname] = '\0'; 4042e7cbe64fSgw } 4043e7cbe64fSgw 4044e7cbe64fSgw if ((zhp = zpool_open(hdl, poolname)) == NULL) { 4045e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4046e7cbe64fSgw "could not open pool '%s'"), poolname); 4047e7cbe64fSgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 4048e7cbe64fSgw goto out; 4049e7cbe64fSgw } 4050e7cbe64fSgw config = zpool_get_config(zhp, NULL); 4051e7cbe64fSgw if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4052e7cbe64fSgw &nvroot) != 0) { 4053e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4054e7cbe64fSgw "could not obtain vdev configuration for '%s'"), poolname); 4055e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); 4056e7cbe64fSgw goto out; 4057e7cbe64fSgw } 4058e7cbe64fSgw 4059e7cbe64fSgw verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 4060e7cbe64fSgw &top, &toplevels) == 0); 4061e7cbe64fSgw if (toplevels != 1) { 4062e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4063e7cbe64fSgw "'%s' has multiple top level vdevs"), poolname); 4064e7cbe64fSgw (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf); 4065e7cbe64fSgw goto out; 4066e7cbe64fSgw } 4067e7cbe64fSgw 4068e7cbe64fSgw if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { 4069e7cbe64fSgw goto out; 4070e7cbe64fSgw } 4071e7cbe64fSgw ret = 0; 4072e7cbe64fSgw 4073e7cbe64fSgw out: 4074e7cbe64fSgw if (zhp) 4075e7cbe64fSgw zpool_close(zhp); 4076e7cbe64fSgw libzfs_fini(hdl); 4077e7cbe64fSgw return (ret); 4078e7cbe64fSgw } 4079