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. 252acef22dSMatthew Ahrens * Copyright (c) 2013 by Delphix. All rights reserved. 26810e43b2SBill Pijewski * Copyright (c) 2013, Joyent, Inc. All rights reserved. 27fa9e4066Sahrens */ 28fa9e4066Sahrens 29fa9e4066Sahrens #include <ctype.h> 30fa9e4066Sahrens #include <errno.h> 31fa9e4066Sahrens #include <devid.h> 32fa9e4066Sahrens #include <fcntl.h> 33fa9e4066Sahrens #include <libintl.h> 34fa9e4066Sahrens #include <stdio.h> 35fa9e4066Sahrens #include <stdlib.h> 36f3861e1aSahl #include <strings.h> 37fa9e4066Sahrens #include <unistd.h> 384445fffbSMatthew Ahrens #include <libgen.h> 398488aeb5Staylor #include <sys/efi_partition.h> 408488aeb5Staylor #include <sys/vtoc.h> 41fa9e4066Sahrens #include <sys/zfs_ioctl.h> 42573ca77eSGeorge Wilson #include <dlfcn.h> 43fa9e4066Sahrens 44fa9e4066Sahrens #include "zfs_namecheck.h" 45b1b8ab34Slling #include "zfs_prop.h" 46fa9e4066Sahrens #include "libzfs_impl.h" 47468c413aSTim Haley #include "zfs_comutil.h" 48ad135b5dSChristopher Siden #include "zfeature_common.h" 49fa9e4066Sahrens 5015e6edf1Sgw static int read_efi_label(nvlist_t *config, diskaddr_t *sb); 51990b4856Slling 52573ca77eSGeorge Wilson #define DISK_ROOT "/dev/dsk" 53573ca77eSGeorge Wilson #define RDISK_ROOT "/dev/rdsk" 54573ca77eSGeorge Wilson #define BACKUP_SLICE "s2" 55573ca77eSGeorge Wilson 56f9af39baSGeorge Wilson typedef struct prop_flags { 57f9af39baSGeorge Wilson int create:1; /* Validate property on creation */ 58f9af39baSGeorge Wilson int import:1; /* Validate property on import */ 59f9af39baSGeorge Wilson } prop_flags_t; 60f9af39baSGeorge Wilson 61990b4856Slling /* 62990b4856Slling * ==================================================================== 63990b4856Slling * zpool property functions 64990b4856Slling * ==================================================================== 65990b4856Slling */ 66990b4856Slling 67990b4856Slling static int 68990b4856Slling zpool_get_all_props(zpool_handle_t *zhp) 69990b4856Slling { 70990b4856Slling zfs_cmd_t zc = { 0 }; 71990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 72990b4856Slling 73990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 74990b4856Slling 75990b4856Slling if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) 76990b4856Slling return (-1); 77990b4856Slling 78990b4856Slling while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { 79990b4856Slling if (errno == ENOMEM) { 80990b4856Slling if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 81990b4856Slling zcmd_free_nvlists(&zc); 82990b4856Slling return (-1); 83990b4856Slling } 84990b4856Slling } else { 85990b4856Slling zcmd_free_nvlists(&zc); 86990b4856Slling return (-1); 87990b4856Slling } 88990b4856Slling } 89990b4856Slling 90990b4856Slling if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { 91990b4856Slling zcmd_free_nvlists(&zc); 92990b4856Slling return (-1); 93990b4856Slling } 94990b4856Slling 95990b4856Slling zcmd_free_nvlists(&zc); 96990b4856Slling 97990b4856Slling return (0); 98990b4856Slling } 99990b4856Slling 100990b4856Slling static int 101990b4856Slling zpool_props_refresh(zpool_handle_t *zhp) 102990b4856Slling { 103990b4856Slling nvlist_t *old_props; 104990b4856Slling 105990b4856Slling old_props = zhp->zpool_props; 106990b4856Slling 107990b4856Slling if (zpool_get_all_props(zhp) != 0) 108990b4856Slling return (-1); 109990b4856Slling 110990b4856Slling nvlist_free(old_props); 111990b4856Slling return (0); 112990b4856Slling } 113990b4856Slling 114990b4856Slling static char * 115990b4856Slling zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, 116990b4856Slling zprop_source_t *src) 117990b4856Slling { 118990b4856Slling nvlist_t *nv, *nvl; 119990b4856Slling uint64_t ival; 120990b4856Slling char *value; 121990b4856Slling zprop_source_t source; 122990b4856Slling 123990b4856Slling nvl = zhp->zpool_props; 124990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 125990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); 126990b4856Slling source = ival; 127990b4856Slling verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); 128990b4856Slling } else { 129990b4856Slling source = ZPROP_SRC_DEFAULT; 130990b4856Slling if ((value = (char *)zpool_prop_default_string(prop)) == NULL) 131990b4856Slling value = "-"; 132990b4856Slling } 133990b4856Slling 134990b4856Slling if (src) 135990b4856Slling *src = source; 136990b4856Slling 137990b4856Slling return (value); 138990b4856Slling } 139990b4856Slling 140990b4856Slling uint64_t 141990b4856Slling zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) 142990b4856Slling { 143990b4856Slling nvlist_t *nv, *nvl; 144990b4856Slling uint64_t value; 145990b4856Slling zprop_source_t source; 146990b4856Slling 147b87f3af3Sperrin if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { 148b87f3af3Sperrin /* 149b87f3af3Sperrin * zpool_get_all_props() has most likely failed because 150b87f3af3Sperrin * the pool is faulted, but if all we need is the top level 151b87f3af3Sperrin * vdev's guid then get it from the zhp config nvlist. 152b87f3af3Sperrin */ 153b87f3af3Sperrin if ((prop == ZPOOL_PROP_GUID) && 154b87f3af3Sperrin (nvlist_lookup_nvlist(zhp->zpool_config, 155b87f3af3Sperrin ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && 156b87f3af3Sperrin (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) 157b87f3af3Sperrin == 0)) { 158b87f3af3Sperrin return (value); 159b87f3af3Sperrin } 160990b4856Slling return (zpool_prop_default_numeric(prop)); 161b87f3af3Sperrin } 162990b4856Slling 163990b4856Slling nvl = zhp->zpool_props; 164990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 165990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); 166990b4856Slling source = value; 167990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); 168990b4856Slling } else { 169990b4856Slling source = ZPROP_SRC_DEFAULT; 170990b4856Slling value = zpool_prop_default_numeric(prop); 171990b4856Slling } 172990b4856Slling 173990b4856Slling if (src) 174990b4856Slling *src = source; 175990b4856Slling 176990b4856Slling return (value); 177990b4856Slling } 178990b4856Slling 179990b4856Slling /* 180990b4856Slling * Map VDEV STATE to printed strings. 181990b4856Slling */ 182990b4856Slling char * 183990b4856Slling zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) 184990b4856Slling { 185990b4856Slling switch (state) { 186990b4856Slling case VDEV_STATE_CLOSED: 187990b4856Slling case VDEV_STATE_OFFLINE: 188990b4856Slling return (gettext("OFFLINE")); 189990b4856Slling case VDEV_STATE_REMOVED: 190990b4856Slling return (gettext("REMOVED")); 191990b4856Slling case VDEV_STATE_CANT_OPEN: 192b87f3af3Sperrin if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) 193990b4856Slling return (gettext("FAULTED")); 1941195e687SMark J Musante else if (aux == VDEV_AUX_SPLIT_POOL) 1951195e687SMark J Musante return (gettext("SPLIT")); 196990b4856Slling else 197990b4856Slling return (gettext("UNAVAIL")); 198990b4856Slling case VDEV_STATE_FAULTED: 199990b4856Slling return (gettext("FAULTED")); 200990b4856Slling case VDEV_STATE_DEGRADED: 201990b4856Slling return (gettext("DEGRADED")); 202990b4856Slling case VDEV_STATE_HEALTHY: 203990b4856Slling return (gettext("ONLINE")); 204990b4856Slling } 205990b4856Slling 206990b4856Slling return (gettext("UNKNOWN")); 207990b4856Slling } 208990b4856Slling 209990b4856Slling /* 210990b4856Slling * Get a zpool property value for 'prop' and return the value in 211990b4856Slling * a pre-allocated buffer. 212990b4856Slling */ 213990b4856Slling int 214990b4856Slling zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, 215c58b3526SAdam Stevko zprop_source_t *srctype, boolean_t literal) 216990b4856Slling { 217990b4856Slling uint64_t intval; 218990b4856Slling const char *strval; 219990b4856Slling zprop_source_t src = ZPROP_SRC_NONE; 220990b4856Slling nvlist_t *nvroot; 221990b4856Slling vdev_stat_t *vs; 222990b4856Slling uint_t vsc; 223990b4856Slling 224990b4856Slling if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 225379c004dSEric Schrock switch (prop) { 226379c004dSEric Schrock case ZPOOL_PROP_NAME: 227990b4856Slling (void) strlcpy(buf, zpool_get_name(zhp), len); 228379c004dSEric Schrock break; 229379c004dSEric Schrock 230379c004dSEric Schrock case ZPOOL_PROP_HEALTH: 231990b4856Slling (void) strlcpy(buf, "FAULTED", len); 232379c004dSEric Schrock break; 233379c004dSEric Schrock 234379c004dSEric Schrock case ZPOOL_PROP_GUID: 235379c004dSEric Schrock intval = zpool_get_prop_int(zhp, prop, &src); 236379c004dSEric Schrock (void) snprintf(buf, len, "%llu", intval); 237379c004dSEric Schrock break; 238379c004dSEric Schrock 239379c004dSEric Schrock case ZPOOL_PROP_ALTROOT: 240379c004dSEric Schrock case ZPOOL_PROP_CACHEFILE: 2418704186eSDan McDonald case ZPOOL_PROP_COMMENT: 242379c004dSEric Schrock if (zhp->zpool_props != NULL || 243379c004dSEric Schrock zpool_get_all_props(zhp) == 0) { 244379c004dSEric Schrock (void) strlcpy(buf, 245379c004dSEric Schrock zpool_get_prop_string(zhp, prop, &src), 246379c004dSEric Schrock len); 247c58b3526SAdam Stevko break; 248379c004dSEric Schrock } 249379c004dSEric Schrock /* FALLTHROUGH */ 250379c004dSEric Schrock default: 251990b4856Slling (void) strlcpy(buf, "-", len); 252379c004dSEric Schrock break; 253379c004dSEric Schrock } 254379c004dSEric Schrock 255379c004dSEric Schrock if (srctype != NULL) 256379c004dSEric Schrock *srctype = src; 257990b4856Slling return (0); 258990b4856Slling } 259990b4856Slling 260990b4856Slling if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && 261990b4856Slling prop != ZPOOL_PROP_NAME) 262990b4856Slling return (-1); 263990b4856Slling 264990b4856Slling switch (zpool_prop_get_type(prop)) { 265990b4856Slling case PROP_TYPE_STRING: 266990b4856Slling (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), 267990b4856Slling len); 268990b4856Slling break; 269990b4856Slling 270990b4856Slling case PROP_TYPE_NUMBER: 271990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 272990b4856Slling 273990b4856Slling switch (prop) { 274990b4856Slling case ZPOOL_PROP_SIZE: 275485bbbf5SGeorge Wilson case ZPOOL_PROP_ALLOCATED: 276485bbbf5SGeorge Wilson case ZPOOL_PROP_FREE: 277ad135b5dSChristopher Siden case ZPOOL_PROP_FREEING: 278*7fd05ac4SMatthew Ahrens case ZPOOL_PROP_LEAKED: 2794263d13fSGeorge Wilson case ZPOOL_PROP_EXPANDSZ: 280c58b3526SAdam Stevko if (literal) { 281c58b3526SAdam Stevko (void) snprintf(buf, len, "%llu", 282c58b3526SAdam Stevko (u_longlong_t)intval); 283c58b3526SAdam Stevko } else { 284c58b3526SAdam Stevko (void) zfs_nicenum(intval, buf, len); 285c58b3526SAdam Stevko } 286990b4856Slling break; 287990b4856Slling 288990b4856Slling case ZPOOL_PROP_CAPACITY: 289c58b3526SAdam Stevko if (literal) { 290c58b3526SAdam Stevko (void) snprintf(buf, len, "%llu", 291c58b3526SAdam Stevko (u_longlong_t)intval); 292c58b3526SAdam Stevko } else { 293c58b3526SAdam Stevko (void) snprintf(buf, len, "%llu%%", 294c58b3526SAdam Stevko (u_longlong_t)intval); 295c58b3526SAdam Stevko } 296990b4856Slling break; 297990b4856Slling 298b24ab676SJeff Bonwick case ZPOOL_PROP_DEDUPRATIO: 299b24ab676SJeff Bonwick (void) snprintf(buf, len, "%llu.%02llux", 300b24ab676SJeff Bonwick (u_longlong_t)(intval / 100), 301b24ab676SJeff Bonwick (u_longlong_t)(intval % 100)); 302b24ab676SJeff Bonwick break; 303b24ab676SJeff Bonwick 304990b4856Slling case ZPOOL_PROP_HEALTH: 305990b4856Slling verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 306990b4856Slling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 307990b4856Slling verify(nvlist_lookup_uint64_array(nvroot, 3083f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) 3093f9d6ad7SLin Ling == 0); 310990b4856Slling 311990b4856Slling (void) strlcpy(buf, zpool_state_to_name(intval, 312990b4856Slling vs->vs_aux), len); 313990b4856Slling break; 314ad135b5dSChristopher Siden case ZPOOL_PROP_VERSION: 315ad135b5dSChristopher Siden if (intval >= SPA_VERSION_FEATURES) { 316ad135b5dSChristopher Siden (void) snprintf(buf, len, "-"); 317ad135b5dSChristopher Siden break; 318ad135b5dSChristopher Siden } 319ad135b5dSChristopher Siden /* FALLTHROUGH */ 320990b4856Slling default: 321990b4856Slling (void) snprintf(buf, len, "%llu", intval); 322990b4856Slling } 323990b4856Slling break; 324990b4856Slling 325990b4856Slling case PROP_TYPE_INDEX: 326990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 327990b4856Slling if (zpool_prop_index_to_string(prop, intval, &strval) 328990b4856Slling != 0) 329990b4856Slling return (-1); 330990b4856Slling (void) strlcpy(buf, strval, len); 331990b4856Slling break; 332990b4856Slling 333990b4856Slling default: 334990b4856Slling abort(); 335990b4856Slling } 336990b4856Slling 337990b4856Slling if (srctype) 338990b4856Slling *srctype = src; 339990b4856Slling 340990b4856Slling return (0); 341990b4856Slling } 342990b4856Slling 343990b4856Slling /* 344990b4856Slling * Check if the bootfs name has the same pool name as it is set to. 345990b4856Slling * Assuming bootfs is a valid dataset name. 346990b4856Slling */ 347990b4856Slling static boolean_t 348990b4856Slling bootfs_name_valid(const char *pool, char *bootfs) 349990b4856Slling { 350990b4856Slling int len = strlen(pool); 351990b4856Slling 352fe3e2633SEric Taylor if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) 353990b4856Slling return (B_FALSE); 354990b4856Slling 355990b4856Slling if (strncmp(pool, bootfs, len) == 0 && 356990b4856Slling (bootfs[len] == '/' || bootfs[len] == '\0')) 357990b4856Slling return (B_TRUE); 358990b4856Slling 359990b4856Slling return (B_FALSE); 360990b4856Slling } 361990b4856Slling 36215e6edf1Sgw /* 36315e6edf1Sgw * Inspect the configuration to determine if any of the devices contain 36415e6edf1Sgw * an EFI label. 36515e6edf1Sgw */ 36615e6edf1Sgw static boolean_t 36715e6edf1Sgw pool_uses_efi(nvlist_t *config) 36815e6edf1Sgw { 36915e6edf1Sgw nvlist_t **child; 37015e6edf1Sgw uint_t c, children; 37115e6edf1Sgw 37215e6edf1Sgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 37315e6edf1Sgw &child, &children) != 0) 37415e6edf1Sgw return (read_efi_label(config, NULL) >= 0); 37515e6edf1Sgw 37615e6edf1Sgw for (c = 0; c < children; c++) { 37715e6edf1Sgw if (pool_uses_efi(child[c])) 37815e6edf1Sgw return (B_TRUE); 37915e6edf1Sgw } 38015e6edf1Sgw return (B_FALSE); 38115e6edf1Sgw } 38215e6edf1Sgw 3834263d13fSGeorge Wilson boolean_t 3844263d13fSGeorge Wilson zpool_is_bootable(zpool_handle_t *zhp) 385b5b76fecSGeorge Wilson { 386b5b76fecSGeorge Wilson char bootfs[ZPOOL_MAXNAMELEN]; 387b5b76fecSGeorge Wilson 388b5b76fecSGeorge Wilson return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, 389c58b3526SAdam Stevko sizeof (bootfs), NULL, B_FALSE) == 0 && strncmp(bootfs, "-", 390b5b76fecSGeorge Wilson sizeof (bootfs)) != 0); 391b5b76fecSGeorge Wilson } 392b5b76fecSGeorge Wilson 393b5b76fecSGeorge Wilson 394990b4856Slling /* 395990b4856Slling * Given an nvlist of zpool properties to be set, validate that they are 396990b4856Slling * correct, and parse any numeric properties (index, boolean, etc) if they are 397990b4856Slling * specified as strings. 398990b4856Slling */ 399990b4856Slling static nvlist_t * 4000a48a24eStimh zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 401f9af39baSGeorge Wilson nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) 402990b4856Slling { 403990b4856Slling nvpair_t *elem; 404990b4856Slling nvlist_t *retprops; 405990b4856Slling zpool_prop_t prop; 406990b4856Slling char *strval; 407990b4856Slling uint64_t intval; 4088704186eSDan McDonald char *slash, *check; 4092f8aaab3Seschrock struct stat64 statbuf; 41015e6edf1Sgw zpool_handle_t *zhp; 41115e6edf1Sgw nvlist_t *nvroot; 412990b4856Slling 413990b4856Slling if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { 414990b4856Slling (void) no_memory(hdl); 415990b4856Slling return (NULL); 416990b4856Slling } 417990b4856Slling 418990b4856Slling elem = NULL; 419990b4856Slling while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 420990b4856Slling const char *propname = nvpair_name(elem); 421990b4856Slling 422ad135b5dSChristopher Siden prop = zpool_name_to_prop(propname); 423ad135b5dSChristopher Siden if (prop == ZPROP_INVAL && zpool_prop_feature(propname)) { 424ad135b5dSChristopher Siden int err; 425ad135b5dSChristopher Siden char *fname = strchr(propname, '@') + 1; 426ad135b5dSChristopher Siden 4272acef22dSMatthew Ahrens err = zfeature_lookup_name(fname, NULL); 428ad135b5dSChristopher Siden if (err != 0) { 429ad135b5dSChristopher Siden ASSERT3U(err, ==, ENOENT); 430ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 431ad135b5dSChristopher Siden "invalid feature '%s'"), fname); 432ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 433ad135b5dSChristopher Siden goto error; 434ad135b5dSChristopher Siden } 435ad135b5dSChristopher Siden 436ad135b5dSChristopher Siden if (nvpair_type(elem) != DATA_TYPE_STRING) { 437ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 438ad135b5dSChristopher Siden "'%s' must be a string"), propname); 439ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 440ad135b5dSChristopher Siden goto error; 441ad135b5dSChristopher Siden } 442ad135b5dSChristopher Siden 443ad135b5dSChristopher Siden (void) nvpair_value_string(elem, &strval); 444ad135b5dSChristopher Siden if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0) { 445ad135b5dSChristopher Siden zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 446ad135b5dSChristopher Siden "property '%s' can only be set to " 447ad135b5dSChristopher Siden "'enabled'"), propname); 448ad135b5dSChristopher Siden (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 449ad135b5dSChristopher Siden goto error; 450ad135b5dSChristopher Siden } 451ad135b5dSChristopher Siden 452ad135b5dSChristopher Siden if (nvlist_add_uint64(retprops, propname, 0) != 0) { 453ad135b5dSChristopher Siden (void) no_memory(hdl); 454ad135b5dSChristopher Siden goto error; 455ad135b5dSChristopher Siden } 456ad135b5dSChristopher Siden continue; 457ad135b5dSChristopher Siden } 458ad135b5dSChristopher Siden 459990b4856Slling /* 460990b4856Slling * Make sure this property is valid and applies to this type. 461990b4856Slling */ 462ad135b5dSChristopher Siden if (prop == ZPROP_INVAL) { 463990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 464990b4856Slling "invalid property '%s'"), propname); 465990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 466990b4856Slling goto error; 467990b4856Slling } 468990b4856Slling 469990b4856Slling if (zpool_prop_readonly(prop)) { 470990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 471990b4856Slling "is readonly"), propname); 472990b4856Slling (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 473990b4856Slling goto error; 474990b4856Slling } 475990b4856Slling 476990b4856Slling if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, 477990b4856Slling &strval, &intval, errbuf) != 0) 478990b4856Slling goto error; 479990b4856Slling 480990b4856Slling /* 481990b4856Slling * Perform additional checking for specific properties. 482990b4856Slling */ 483990b4856Slling switch (prop) { 484990b4856Slling case ZPOOL_PROP_VERSION: 485ad135b5dSChristopher Siden if (intval < version || 486ad135b5dSChristopher Siden !SPA_VERSION_IS_SUPPORTED(intval)) { 487990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 488990b4856Slling "property '%s' number %d is invalid."), 489990b4856Slling propname, intval); 490990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 491990b4856Slling goto error; 492990b4856Slling } 493990b4856Slling break; 494990b4856Slling 495990b4856Slling case ZPOOL_PROP_BOOTFS: 496f9af39baSGeorge Wilson if (flags.create || flags.import) { 497990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 498990b4856Slling "property '%s' cannot be set at creation " 499990b4856Slling "or import time"), propname); 500990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 501990b4856Slling goto error; 502990b4856Slling } 503990b4856Slling 504990b4856Slling if (version < SPA_VERSION_BOOTFS) { 505990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 506990b4856Slling "pool must be upgraded to support " 507990b4856Slling "'%s' property"), propname); 508990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 509990b4856Slling goto error; 510990b4856Slling } 511990b4856Slling 512990b4856Slling /* 513990b4856Slling * bootfs property value has to be a dataset name and 514990b4856Slling * the dataset has to be in the same pool as it sets to. 515990b4856Slling */ 516990b4856Slling if (strval[0] != '\0' && !bootfs_name_valid(poolname, 517990b4856Slling strval)) { 518990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 519990b4856Slling "is an invalid name"), strval); 520990b4856Slling (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 521990b4856Slling goto error; 522990b4856Slling } 52315e6edf1Sgw 52415e6edf1Sgw if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { 52515e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 52615e6edf1Sgw "could not open pool '%s'"), poolname); 52715e6edf1Sgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 52815e6edf1Sgw goto error; 52915e6edf1Sgw } 53015e6edf1Sgw verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 53115e6edf1Sgw ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 53215e6edf1Sgw 53315e6edf1Sgw /* 53415e6edf1Sgw * bootfs property cannot be set on a disk which has 53515e6edf1Sgw * been EFI labeled. 53615e6edf1Sgw */ 53715e6edf1Sgw if (pool_uses_efi(nvroot)) { 53815e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 53915e6edf1Sgw "property '%s' not supported on " 54015e6edf1Sgw "EFI labeled devices"), propname); 54115e6edf1Sgw (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); 54215e6edf1Sgw zpool_close(zhp); 54315e6edf1Sgw goto error; 54415e6edf1Sgw } 54515e6edf1Sgw zpool_close(zhp); 546990b4856Slling break; 547990b4856Slling 5482f8aaab3Seschrock case ZPOOL_PROP_ALTROOT: 549f9af39baSGeorge Wilson if (!flags.create && !flags.import) { 550990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 551990b4856Slling "property '%s' can only be set during pool " 552990b4856Slling "creation or import"), propname); 553990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 554990b4856Slling goto error; 555990b4856Slling } 556990b4856Slling 5572f8aaab3Seschrock if (strval[0] != '/') { 558990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5592f8aaab3Seschrock "bad alternate root '%s'"), strval); 5602f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 561990b4856Slling goto error; 562990b4856Slling } 5632f8aaab3Seschrock break; 5642f8aaab3Seschrock 5652f8aaab3Seschrock case ZPOOL_PROP_CACHEFILE: 5662f8aaab3Seschrock if (strval[0] == '\0') 5672f8aaab3Seschrock break; 5682f8aaab3Seschrock 5692f8aaab3Seschrock if (strcmp(strval, "none") == 0) 5702f8aaab3Seschrock break; 571990b4856Slling 572990b4856Slling if (strval[0] != '/') { 573990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5742f8aaab3Seschrock "property '%s' must be empty, an " 5752f8aaab3Seschrock "absolute path, or 'none'"), propname); 576990b4856Slling (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 577990b4856Slling goto error; 578990b4856Slling } 579990b4856Slling 5802f8aaab3Seschrock slash = strrchr(strval, '/'); 581990b4856Slling 5822f8aaab3Seschrock if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || 5832f8aaab3Seschrock strcmp(slash, "/..") == 0) { 5842f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5852f8aaab3Seschrock "'%s' is not a valid file"), strval); 5862f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5872f8aaab3Seschrock goto error; 5882f8aaab3Seschrock } 589990b4856Slling 5902f8aaab3Seschrock *slash = '\0'; 5912f8aaab3Seschrock 5922c32020fSeschrock if (strval[0] != '\0' && 5932c32020fSeschrock (stat64(strval, &statbuf) != 0 || 5942c32020fSeschrock !S_ISDIR(statbuf.st_mode))) { 5952f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 5962f8aaab3Seschrock "'%s' is not a valid directory"), 5972f8aaab3Seschrock strval); 5982f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 5992f8aaab3Seschrock goto error; 6002f8aaab3Seschrock } 6012f8aaab3Seschrock 6022f8aaab3Seschrock *slash = '/'; 6032f8aaab3Seschrock break; 604f9af39baSGeorge Wilson 6058704186eSDan McDonald case ZPOOL_PROP_COMMENT: 6068704186eSDan McDonald for (check = strval; *check != '\0'; check++) { 6078704186eSDan McDonald if (!isprint(*check)) { 6088704186eSDan McDonald zfs_error_aux(hdl, 6098704186eSDan McDonald dgettext(TEXT_DOMAIN, 6108704186eSDan McDonald "comment may only have printable " 6118704186eSDan McDonald "characters")); 6128704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, 6138704186eSDan McDonald errbuf); 6148704186eSDan McDonald goto error; 6158704186eSDan McDonald } 6168704186eSDan McDonald } 6178704186eSDan McDonald if (strlen(strval) > ZPROP_MAX_COMMENT) { 6188704186eSDan McDonald zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6198704186eSDan McDonald "comment must not exceed %d characters"), 6208704186eSDan McDonald ZPROP_MAX_COMMENT); 6218704186eSDan McDonald (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 6228704186eSDan McDonald goto error; 6238704186eSDan McDonald } 6248704186eSDan McDonald break; 625f9af39baSGeorge Wilson case ZPOOL_PROP_READONLY: 626f9af39baSGeorge Wilson if (!flags.import) { 627f9af39baSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 628f9af39baSGeorge Wilson "property '%s' can only be set at " 629f9af39baSGeorge Wilson "import time"), propname); 630f9af39baSGeorge Wilson (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 631f9af39baSGeorge Wilson goto error; 632f9af39baSGeorge Wilson } 633f9af39baSGeorge Wilson break; 634990b4856Slling } 635990b4856Slling } 636990b4856Slling 637990b4856Slling return (retprops); 638990b4856Slling error: 639990b4856Slling nvlist_free(retprops); 640990b4856Slling return (NULL); 641990b4856Slling } 642990b4856Slling 643990b4856Slling /* 644990b4856Slling * Set zpool property : propname=propval. 645990b4856Slling */ 646990b4856Slling int 647990b4856Slling zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) 648990b4856Slling { 649990b4856Slling zfs_cmd_t zc = { 0 }; 650990b4856Slling int ret = -1; 651990b4856Slling char errbuf[1024]; 652990b4856Slling nvlist_t *nvl = NULL; 653990b4856Slling nvlist_t *realprops; 654990b4856Slling uint64_t version; 655f9af39baSGeorge Wilson prop_flags_t flags = { 0 }; 656990b4856Slling 657990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), 658990b4856Slling dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 659990b4856Slling zhp->zpool_name); 660990b4856Slling 661990b4856Slling if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 662990b4856Slling return (no_memory(zhp->zpool_hdl)); 663990b4856Slling 664990b4856Slling if (nvlist_add_string(nvl, propname, propval) != 0) { 665990b4856Slling nvlist_free(nvl); 666990b4856Slling return (no_memory(zhp->zpool_hdl)); 667990b4856Slling } 668990b4856Slling 669990b4856Slling version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 6700a48a24eStimh if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, 671f9af39baSGeorge Wilson zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { 672990b4856Slling nvlist_free(nvl); 673990b4856Slling return (-1); 674990b4856Slling } 675990b4856Slling 676990b4856Slling nvlist_free(nvl); 677990b4856Slling nvl = realprops; 678990b4856Slling 679990b4856Slling /* 680990b4856Slling * Execute the corresponding ioctl() to set this property. 681990b4856Slling */ 682990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 683990b4856Slling 684990b4856Slling if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { 685990b4856Slling nvlist_free(nvl); 686990b4856Slling return (-1); 687990b4856Slling } 688990b4856Slling 689990b4856Slling ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); 690990b4856Slling 691990b4856Slling zcmd_free_nvlists(&zc); 692990b4856Slling nvlist_free(nvl); 693990b4856Slling 694990b4856Slling if (ret) 695990b4856Slling (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); 696990b4856Slling else 697990b4856Slling (void) zpool_props_refresh(zhp); 698990b4856Slling 699990b4856Slling return (ret); 700990b4856Slling } 701990b4856Slling 702990b4856Slling int 703990b4856Slling zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) 704990b4856Slling { 705990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 706990b4856Slling zprop_list_t *entry; 707990b4856Slling char buf[ZFS_MAXPROPLEN]; 708ad135b5dSChristopher Siden nvlist_t *features = NULL; 709ad135b5dSChristopher Siden zprop_list_t **last; 710ad135b5dSChristopher Siden boolean_t firstexpand = (NULL == *plp); 711990b4856Slling 712990b4856Slling if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) 713990b4856Slling return (-1); 714990b4856Slling 715ad135b5dSChristopher Siden last = plp; 716ad135b5dSChristopher Siden while (*last != NULL) 717ad135b5dSChristopher Siden last = &(*last)->pl_next; 718ad135b5dSChristopher Siden 719ad135b5dSChristopher Siden if ((*plp)->pl_all) 720ad135b5dSChristopher Siden features = zpool_get_features(zhp); 721ad135b5dSChristopher Siden 722ad135b5dSChristopher Siden if ((*plp)->pl_all && firstexpand) { 723ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 724ad135b5dSChristopher Siden zprop_list_t *entry = zfs_alloc(hdl, 725ad135b5dSChristopher Siden sizeof (zprop_list_t)); 726ad135b5dSChristopher Siden entry->pl_prop = ZPROP_INVAL; 727ad135b5dSChristopher Siden entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s", 728ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 729ad135b5dSChristopher Siden entry->pl_width = strlen(entry->pl_user_prop); 730ad135b5dSChristopher Siden entry->pl_all = B_TRUE; 731ad135b5dSChristopher Siden 732ad135b5dSChristopher Siden *last = entry; 733ad135b5dSChristopher Siden last = &entry->pl_next; 734ad135b5dSChristopher Siden } 735ad135b5dSChristopher Siden } 736ad135b5dSChristopher Siden 737ad135b5dSChristopher Siden /* add any unsupported features */ 738ad135b5dSChristopher Siden for (nvpair_t *nvp = nvlist_next_nvpair(features, NULL); 739ad135b5dSChristopher Siden nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) { 740ad135b5dSChristopher Siden char *propname; 741ad135b5dSChristopher Siden boolean_t found; 742ad135b5dSChristopher Siden zprop_list_t *entry; 743ad135b5dSChristopher Siden 744ad135b5dSChristopher Siden if (zfeature_is_supported(nvpair_name(nvp))) 745ad135b5dSChristopher Siden continue; 746ad135b5dSChristopher Siden 747ad135b5dSChristopher Siden propname = zfs_asprintf(hdl, "unsupported@%s", 748ad135b5dSChristopher Siden nvpair_name(nvp)); 749ad135b5dSChristopher Siden 750ad135b5dSChristopher Siden /* 751ad135b5dSChristopher Siden * Before adding the property to the list make sure that no 752ad135b5dSChristopher Siden * other pool already added the same property. 753ad135b5dSChristopher Siden */ 754ad135b5dSChristopher Siden found = B_FALSE; 755ad135b5dSChristopher Siden entry = *plp; 756ad135b5dSChristopher Siden while (entry != NULL) { 757ad135b5dSChristopher Siden if (entry->pl_user_prop != NULL && 758ad135b5dSChristopher Siden strcmp(propname, entry->pl_user_prop) == 0) { 759ad135b5dSChristopher Siden found = B_TRUE; 760ad135b5dSChristopher Siden break; 761ad135b5dSChristopher Siden } 762ad135b5dSChristopher Siden entry = entry->pl_next; 763ad135b5dSChristopher Siden } 764ad135b5dSChristopher Siden if (found) { 765ad135b5dSChristopher Siden free(propname); 766ad135b5dSChristopher Siden continue; 767ad135b5dSChristopher Siden } 768ad135b5dSChristopher Siden 769ad135b5dSChristopher Siden entry = zfs_alloc(hdl, sizeof (zprop_list_t)); 770ad135b5dSChristopher Siden entry->pl_prop = ZPROP_INVAL; 771ad135b5dSChristopher Siden entry->pl_user_prop = propname; 772ad135b5dSChristopher Siden entry->pl_width = strlen(entry->pl_user_prop); 773ad135b5dSChristopher Siden entry->pl_all = B_TRUE; 774ad135b5dSChristopher Siden 775ad135b5dSChristopher Siden *last = entry; 776ad135b5dSChristopher Siden last = &entry->pl_next; 777ad135b5dSChristopher Siden } 778ad135b5dSChristopher Siden 779990b4856Slling for (entry = *plp; entry != NULL; entry = entry->pl_next) { 780990b4856Slling 781990b4856Slling if (entry->pl_fixed) 782990b4856Slling continue; 783990b4856Slling 784990b4856Slling if (entry->pl_prop != ZPROP_INVAL && 785990b4856Slling zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), 786c58b3526SAdam Stevko NULL, B_FALSE) == 0) { 787990b4856Slling if (strlen(buf) > entry->pl_width) 788990b4856Slling entry->pl_width = strlen(buf); 789990b4856Slling } 790990b4856Slling } 791990b4856Slling 792990b4856Slling return (0); 793990b4856Slling } 794990b4856Slling 795ad135b5dSChristopher Siden /* 796ad135b5dSChristopher Siden * Get the state for the given feature on the given ZFS pool. 797ad135b5dSChristopher Siden */ 798ad135b5dSChristopher Siden int 799ad135b5dSChristopher Siden zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf, 800ad135b5dSChristopher Siden size_t len) 801ad135b5dSChristopher Siden { 802ad135b5dSChristopher Siden uint64_t refcount; 803ad135b5dSChristopher Siden boolean_t found = B_FALSE; 804ad135b5dSChristopher Siden nvlist_t *features = zpool_get_features(zhp); 805ad135b5dSChristopher Siden boolean_t supported; 806ad135b5dSChristopher Siden const char *feature = strchr(propname, '@') + 1; 807ad135b5dSChristopher Siden 808ad135b5dSChristopher Siden supported = zpool_prop_feature(propname); 809ad135b5dSChristopher Siden ASSERT(supported || zfs_prop_unsupported(propname)); 810ad135b5dSChristopher Siden 811ad135b5dSChristopher Siden /* 812ad135b5dSChristopher Siden * Convert from feature name to feature guid. This conversion is 813ad135b5dSChristopher Siden * unecessary for unsupported@... properties because they already 814ad135b5dSChristopher Siden * use guids. 815ad135b5dSChristopher Siden */ 816ad135b5dSChristopher Siden if (supported) { 817ad135b5dSChristopher Siden int ret; 8182acef22dSMatthew Ahrens spa_feature_t fid; 819ad135b5dSChristopher Siden 8202acef22dSMatthew Ahrens ret = zfeature_lookup_name(feature, &fid); 821ad135b5dSChristopher Siden if (ret != 0) { 822ad135b5dSChristopher Siden (void) strlcpy(buf, "-", len); 823ad135b5dSChristopher Siden return (ENOTSUP); 824ad135b5dSChristopher Siden } 8252acef22dSMatthew Ahrens feature = spa_feature_table[fid].fi_guid; 826ad135b5dSChristopher Siden } 827ad135b5dSChristopher Siden 828ad135b5dSChristopher Siden if (nvlist_lookup_uint64(features, feature, &refcount) == 0) 829ad135b5dSChristopher Siden found = B_TRUE; 830ad135b5dSChristopher Siden 831ad135b5dSChristopher Siden if (supported) { 832ad135b5dSChristopher Siden if (!found) { 833ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len); 834ad135b5dSChristopher Siden } else { 835ad135b5dSChristopher Siden if (refcount == 0) 836ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len); 837ad135b5dSChristopher Siden else 838ad135b5dSChristopher Siden (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len); 839ad135b5dSChristopher Siden } 840ad135b5dSChristopher Siden } else { 841ad135b5dSChristopher Siden if (found) { 842ad135b5dSChristopher Siden if (refcount == 0) { 843ad135b5dSChristopher Siden (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE); 844ad135b5dSChristopher Siden } else { 845ad135b5dSChristopher Siden (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY); 846ad135b5dSChristopher Siden } 847ad135b5dSChristopher Siden } else { 848ad135b5dSChristopher Siden (void) strlcpy(buf, "-", len); 849ad135b5dSChristopher Siden return (ENOTSUP); 850ad135b5dSChristopher Siden } 851ad135b5dSChristopher Siden } 852ad135b5dSChristopher Siden 853ad135b5dSChristopher Siden return (0); 854ad135b5dSChristopher Siden } 855990b4856Slling 856573ca77eSGeorge Wilson /* 857573ca77eSGeorge Wilson * Don't start the slice at the default block of 34; many storage 858573ca77eSGeorge Wilson * devices will use a stripe width of 128k, so start there instead. 859573ca77eSGeorge Wilson */ 860573ca77eSGeorge Wilson #define NEW_START_BLOCK 256 861573ca77eSGeorge Wilson 862fa9e4066Sahrens /* 863fa9e4066Sahrens * Validate the given pool name, optionally putting an extended error message in 864fa9e4066Sahrens * 'buf'. 865fa9e4066Sahrens */ 866e7cbe64fSgw boolean_t 86799653d4eSeschrock zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) 868fa9e4066Sahrens { 869fa9e4066Sahrens namecheck_err_t why; 870fa9e4066Sahrens char what; 871b468a217Seschrock int ret; 872b468a217Seschrock 873b468a217Seschrock ret = pool_namecheck(pool, &why, &what); 874b468a217Seschrock 875b468a217Seschrock /* 876b468a217Seschrock * The rules for reserved pool names were extended at a later point. 877b468a217Seschrock * But we need to support users with existing pools that may now be 878b468a217Seschrock * invalid. So we only check for this expanded set of names during a 879b468a217Seschrock * create (or import), and only in userland. 880b468a217Seschrock */ 881b468a217Seschrock if (ret == 0 && !isopen && 882b468a217Seschrock (strncmp(pool, "mirror", 6) == 0 || 883b468a217Seschrock strncmp(pool, "raidz", 5) == 0 || 8848654d025Sperrin strncmp(pool, "spare", 5) == 0 || 8858654d025Sperrin strcmp(pool, "log") == 0)) { 886e7cbe64fSgw if (hdl != NULL) 887e7cbe64fSgw zfs_error_aux(hdl, 888e7cbe64fSgw dgettext(TEXT_DOMAIN, "name is reserved")); 88999653d4eSeschrock return (B_FALSE); 890b468a217Seschrock } 891b468a217Seschrock 892fa9e4066Sahrens 893b468a217Seschrock if (ret != 0) { 89499653d4eSeschrock if (hdl != NULL) { 895fa9e4066Sahrens switch (why) { 896b81d61a6Slling case NAME_ERR_TOOLONG: 89799653d4eSeschrock zfs_error_aux(hdl, 898b81d61a6Slling dgettext(TEXT_DOMAIN, "name is too long")); 899b81d61a6Slling break; 900b81d61a6Slling 901fa9e4066Sahrens case NAME_ERR_INVALCHAR: 90299653d4eSeschrock zfs_error_aux(hdl, 903fa9e4066Sahrens dgettext(TEXT_DOMAIN, "invalid character " 904fa9e4066Sahrens "'%c' in pool name"), what); 905fa9e4066Sahrens break; 906fa9e4066Sahrens 907fa9e4066Sahrens case NAME_ERR_NOLETTER: 90899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 90999653d4eSeschrock "name must begin with a letter")); 910fa9e4066Sahrens break; 911fa9e4066Sahrens 912fa9e4066Sahrens case NAME_ERR_RESERVED: 91399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 91499653d4eSeschrock "name is reserved")); 915fa9e4066Sahrens break; 916fa9e4066Sahrens 917fa9e4066Sahrens case NAME_ERR_DISKLIKE: 91899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 91999653d4eSeschrock "pool name is reserved")); 920fa9e4066Sahrens break; 9215ad82045Snd 9225ad82045Snd case NAME_ERR_LEADING_SLASH: 9235ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9245ad82045Snd "leading slash in name")); 9255ad82045Snd break; 9265ad82045Snd 9275ad82045Snd case NAME_ERR_EMPTY_COMPONENT: 9285ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9295ad82045Snd "empty component in name")); 9305ad82045Snd break; 9315ad82045Snd 9325ad82045Snd case NAME_ERR_TRAILING_SLASH: 9335ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9345ad82045Snd "trailing slash in name")); 9355ad82045Snd break; 9365ad82045Snd 9375ad82045Snd case NAME_ERR_MULTIPLE_AT: 9385ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 9395ad82045Snd "multiple '@' delimiters in name")); 9405ad82045Snd break; 9415ad82045Snd 942fa9e4066Sahrens } 943fa9e4066Sahrens } 94499653d4eSeschrock return (B_FALSE); 945fa9e4066Sahrens } 946fa9e4066Sahrens 94799653d4eSeschrock return (B_TRUE); 948fa9e4066Sahrens } 949fa9e4066Sahrens 950fa9e4066Sahrens /* 951fa9e4066Sahrens * Open a handle to the given pool, even if the pool is currently in the FAULTED 952fa9e4066Sahrens * state. 953fa9e4066Sahrens */ 954fa9e4066Sahrens zpool_handle_t * 95599653d4eSeschrock zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) 956fa9e4066Sahrens { 957fa9e4066Sahrens zpool_handle_t *zhp; 95894de1d4cSeschrock boolean_t missing; 959fa9e4066Sahrens 960fa9e4066Sahrens /* 961fa9e4066Sahrens * Make sure the pool name is valid. 962fa9e4066Sahrens */ 96399653d4eSeschrock if (!zpool_name_valid(hdl, B_TRUE, pool)) { 964ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, 96599653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), 96699653d4eSeschrock pool); 967fa9e4066Sahrens return (NULL); 968fa9e4066Sahrens } 969fa9e4066Sahrens 97099653d4eSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 97199653d4eSeschrock return (NULL); 972fa9e4066Sahrens 97399653d4eSeschrock zhp->zpool_hdl = hdl; 974fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 975fa9e4066Sahrens 97694de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 97794de1d4cSeschrock zpool_close(zhp); 97894de1d4cSeschrock return (NULL); 97994de1d4cSeschrock } 98094de1d4cSeschrock 98194de1d4cSeschrock if (missing) { 982990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); 983ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_NOENT, 984990b4856Slling dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); 98594de1d4cSeschrock zpool_close(zhp); 98694de1d4cSeschrock return (NULL); 987fa9e4066Sahrens } 988fa9e4066Sahrens 989fa9e4066Sahrens return (zhp); 990fa9e4066Sahrens } 991fa9e4066Sahrens 992fa9e4066Sahrens /* 993fa9e4066Sahrens * Like the above, but silent on error. Used when iterating over pools (because 994fa9e4066Sahrens * the configuration cache may be out of date). 995fa9e4066Sahrens */ 99694de1d4cSeschrock int 99794de1d4cSeschrock zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) 998fa9e4066Sahrens { 999fa9e4066Sahrens zpool_handle_t *zhp; 100094de1d4cSeschrock boolean_t missing; 1001fa9e4066Sahrens 100294de1d4cSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 100394de1d4cSeschrock return (-1); 1004fa9e4066Sahrens 100599653d4eSeschrock zhp->zpool_hdl = hdl; 1006fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 1007fa9e4066Sahrens 100894de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 100994de1d4cSeschrock zpool_close(zhp); 101094de1d4cSeschrock return (-1); 1011fa9e4066Sahrens } 1012fa9e4066Sahrens 101394de1d4cSeschrock if (missing) { 101494de1d4cSeschrock zpool_close(zhp); 101594de1d4cSeschrock *ret = NULL; 101694de1d4cSeschrock return (0); 101794de1d4cSeschrock } 101894de1d4cSeschrock 101994de1d4cSeschrock *ret = zhp; 102094de1d4cSeschrock return (0); 1021fa9e4066Sahrens } 1022fa9e4066Sahrens 1023fa9e4066Sahrens /* 1024fa9e4066Sahrens * Similar to zpool_open_canfail(), but refuses to open pools in the faulted 1025fa9e4066Sahrens * state. 1026fa9e4066Sahrens */ 1027fa9e4066Sahrens zpool_handle_t * 102899653d4eSeschrock zpool_open(libzfs_handle_t *hdl, const char *pool) 1029fa9e4066Sahrens { 1030fa9e4066Sahrens zpool_handle_t *zhp; 1031fa9e4066Sahrens 103299653d4eSeschrock if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) 1033fa9e4066Sahrens return (NULL); 1034fa9e4066Sahrens 1035fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_UNAVAIL) { 1036ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, 103799653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); 1038fa9e4066Sahrens zpool_close(zhp); 1039fa9e4066Sahrens return (NULL); 1040fa9e4066Sahrens } 1041fa9e4066Sahrens 1042fa9e4066Sahrens return (zhp); 1043fa9e4066Sahrens } 1044fa9e4066Sahrens 1045fa9e4066Sahrens /* 1046fa9e4066Sahrens * Close the handle. Simply frees the memory associated with the handle. 1047fa9e4066Sahrens */ 1048fa9e4066Sahrens void 1049fa9e4066Sahrens zpool_close(zpool_handle_t *zhp) 1050fa9e4066Sahrens { 1051fa9e4066Sahrens if (zhp->zpool_config) 1052fa9e4066Sahrens nvlist_free(zhp->zpool_config); 1053088e9d47Seschrock if (zhp->zpool_old_config) 1054088e9d47Seschrock nvlist_free(zhp->zpool_old_config); 1055b1b8ab34Slling if (zhp->zpool_props) 1056b1b8ab34Slling nvlist_free(zhp->zpool_props); 1057fa9e4066Sahrens free(zhp); 1058fa9e4066Sahrens } 1059fa9e4066Sahrens 1060fa9e4066Sahrens /* 1061fa9e4066Sahrens * Return the name of the pool. 1062fa9e4066Sahrens */ 1063fa9e4066Sahrens const char * 1064fa9e4066Sahrens zpool_get_name(zpool_handle_t *zhp) 1065fa9e4066Sahrens { 1066fa9e4066Sahrens return (zhp->zpool_name); 1067fa9e4066Sahrens } 1068fa9e4066Sahrens 1069fa9e4066Sahrens 1070fa9e4066Sahrens /* 1071fa9e4066Sahrens * Return the state of the pool (ACTIVE or UNAVAILABLE) 1072fa9e4066Sahrens */ 1073fa9e4066Sahrens int 1074fa9e4066Sahrens zpool_get_state(zpool_handle_t *zhp) 1075fa9e4066Sahrens { 1076fa9e4066Sahrens return (zhp->zpool_state); 1077fa9e4066Sahrens } 1078fa9e4066Sahrens 1079fa9e4066Sahrens /* 1080fa9e4066Sahrens * Create the named pool, using the provided vdev list. It is assumed 1081fa9e4066Sahrens * that the consumer has already validated the contents of the nvlist, so we 1082fa9e4066Sahrens * don't have to worry about error semantics. 1083fa9e4066Sahrens */ 1084fa9e4066Sahrens int 108599653d4eSeschrock zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, 10860a48a24eStimh nvlist_t *props, nvlist_t *fsprops) 1087fa9e4066Sahrens { 1088fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 10890a48a24eStimh nvlist_t *zc_fsprops = NULL; 10900a48a24eStimh nvlist_t *zc_props = NULL; 109199653d4eSeschrock char msg[1024]; 10920a48a24eStimh int ret = -1; 1093fa9e4066Sahrens 109499653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 109599653d4eSeschrock "cannot create '%s'"), pool); 1096fa9e4066Sahrens 109799653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, pool)) 109899653d4eSeschrock return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 1099fa9e4066Sahrens 1100351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 1101990b4856Slling return (-1); 1102fa9e4066Sahrens 11030a48a24eStimh if (props) { 1104f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; 1105f9af39baSGeorge Wilson 11060a48a24eStimh if ((zc_props = zpool_valid_proplist(hdl, pool, props, 1107f9af39baSGeorge Wilson SPA_VERSION_1, flags, msg)) == NULL) { 11080a48a24eStimh goto create_failed; 11090a48a24eStimh } 11100a48a24eStimh } 111199653d4eSeschrock 11120a48a24eStimh if (fsprops) { 11130a48a24eStimh uint64_t zoned; 11140a48a24eStimh char *zonestr; 11150a48a24eStimh 11160a48a24eStimh zoned = ((nvlist_lookup_string(fsprops, 11170a48a24eStimh zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && 11180a48a24eStimh strcmp(zonestr, "on") == 0); 11190a48a24eStimh 11200a48a24eStimh if ((zc_fsprops = zfs_valid_proplist(hdl, 11210a48a24eStimh ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { 11220a48a24eStimh goto create_failed; 11230a48a24eStimh } 11240a48a24eStimh if (!zc_props && 11250a48a24eStimh (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { 11260a48a24eStimh goto create_failed; 11270a48a24eStimh } 11280a48a24eStimh if (nvlist_add_nvlist(zc_props, 11290a48a24eStimh ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { 11300a48a24eStimh goto create_failed; 11310a48a24eStimh } 1132351420b3Slling } 1133fa9e4066Sahrens 11340a48a24eStimh if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 11350a48a24eStimh goto create_failed; 11360a48a24eStimh 1137990b4856Slling (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); 1138fa9e4066Sahrens 11390a48a24eStimh if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { 1140351420b3Slling 1141e9dbad6fSeschrock zcmd_free_nvlists(&zc); 11420a48a24eStimh nvlist_free(zc_props); 11430a48a24eStimh nvlist_free(zc_fsprops); 1144fa9e4066Sahrens 114599653d4eSeschrock switch (errno) { 1146fa9e4066Sahrens case EBUSY: 1147fa9e4066Sahrens /* 1148fa9e4066Sahrens * This can happen if the user has specified the same 1149fa9e4066Sahrens * device multiple times. We can't reliably detect this 1150fa9e4066Sahrens * until we try to add it and see we already have a 1151fa9e4066Sahrens * label. 1152fa9e4066Sahrens */ 115399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 115499653d4eSeschrock "one or more vdevs refer to the same device")); 115599653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1156fa9e4066Sahrens 1157fa9e4066Sahrens case EOVERFLOW: 1158fa9e4066Sahrens /* 115999653d4eSeschrock * This occurs when one of the devices is below 1160fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1161fa9e4066Sahrens * device was the problem device since there's no 1162fa9e4066Sahrens * reliable way to determine device size from userland. 1163fa9e4066Sahrens */ 1164fa9e4066Sahrens { 1165fa9e4066Sahrens char buf[64]; 1166fa9e4066Sahrens 1167fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1168fa9e4066Sahrens 116999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 117099653d4eSeschrock "one or more devices is less than the " 117199653d4eSeschrock "minimum size (%s)"), buf); 1172fa9e4066Sahrens } 117399653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1174fa9e4066Sahrens 1175fa9e4066Sahrens case ENOSPC: 117699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 117799653d4eSeschrock "one or more devices is out of space")); 117899653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 1179fa9e4066Sahrens 1180fa94a07fSbrendan case ENOTBLK: 1181fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1182fa94a07fSbrendan "cache device must be a disk or disk slice")); 1183fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADDEV, msg)); 1184fa94a07fSbrendan 1185fa9e4066Sahrens default: 118699653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1187fa9e4066Sahrens } 1188fa9e4066Sahrens } 1189fa9e4066Sahrens 11900a48a24eStimh create_failed: 1191351420b3Slling zcmd_free_nvlists(&zc); 11920a48a24eStimh nvlist_free(zc_props); 11930a48a24eStimh nvlist_free(zc_fsprops); 11940a48a24eStimh return (ret); 1195fa9e4066Sahrens } 1196fa9e4066Sahrens 1197fa9e4066Sahrens /* 1198fa9e4066Sahrens * Destroy the given pool. It is up to the caller to ensure that there are no 1199fa9e4066Sahrens * datasets left in the pool. 1200fa9e4066Sahrens */ 1201fa9e4066Sahrens int 12024445fffbSMatthew Ahrens zpool_destroy(zpool_handle_t *zhp, const char *log_str) 1203fa9e4066Sahrens { 1204fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1205fa9e4066Sahrens zfs_handle_t *zfp = NULL; 120699653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 120799653d4eSeschrock char msg[1024]; 1208fa9e4066Sahrens 1209fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_ACTIVE && 1210cb04b873SMark J Musante (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) 1211fa9e4066Sahrens return (-1); 1212fa9e4066Sahrens 1213fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 12144445fffbSMatthew Ahrens zc.zc_history = (uint64_t)(uintptr_t)log_str; 1215fa9e4066Sahrens 1216cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { 121799653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 121899653d4eSeschrock "cannot destroy '%s'"), zhp->zpool_name); 1219fa9e4066Sahrens 122099653d4eSeschrock if (errno == EROFS) { 122199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 122299653d4eSeschrock "one or more devices is read only")); 122399653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 122499653d4eSeschrock } else { 122599653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1226fa9e4066Sahrens } 1227fa9e4066Sahrens 1228fa9e4066Sahrens if (zfp) 1229fa9e4066Sahrens zfs_close(zfp); 1230fa9e4066Sahrens return (-1); 1231fa9e4066Sahrens } 1232fa9e4066Sahrens 1233fa9e4066Sahrens if (zfp) { 1234fa9e4066Sahrens remove_mountpoint(zfp); 1235fa9e4066Sahrens zfs_close(zfp); 1236fa9e4066Sahrens } 1237fa9e4066Sahrens 1238fa9e4066Sahrens return (0); 1239fa9e4066Sahrens } 1240fa9e4066Sahrens 1241fa9e4066Sahrens /* 1242fa9e4066Sahrens * Add the given vdevs to the pool. The caller must have already performed the 1243fa9e4066Sahrens * necessary verification to ensure that the vdev specification is well-formed. 1244fa9e4066Sahrens */ 1245fa9e4066Sahrens int 1246fa9e4066Sahrens zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) 1247fa9e4066Sahrens { 1248e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 124999653d4eSeschrock int ret; 125099653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 125199653d4eSeschrock char msg[1024]; 1252fa94a07fSbrendan nvlist_t **spares, **l2cache; 1253fa94a07fSbrendan uint_t nspares, nl2cache; 125499653d4eSeschrock 125599653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 125699653d4eSeschrock "cannot add to '%s'"), zhp->zpool_name); 125799653d4eSeschrock 1258fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1259fa94a07fSbrendan SPA_VERSION_SPARES && 126099653d4eSeschrock nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 126199653d4eSeschrock &spares, &nspares) == 0) { 126299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 126399653d4eSeschrock "upgraded to add hot spares")); 126499653d4eSeschrock return (zfs_error(hdl, EZFS_BADVERSION, msg)); 126599653d4eSeschrock } 1266fa9e4066Sahrens 12674263d13fSGeorge Wilson if (zpool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, 1268b5b76fecSGeorge Wilson ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { 1269b5b76fecSGeorge Wilson uint64_t s; 1270b5b76fecSGeorge Wilson 1271b5b76fecSGeorge Wilson for (s = 0; s < nspares; s++) { 1272b5b76fecSGeorge Wilson char *path; 1273b5b76fecSGeorge Wilson 1274b5b76fecSGeorge Wilson if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, 1275b5b76fecSGeorge Wilson &path) == 0 && pool_uses_efi(spares[s])) { 1276b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1277b5b76fecSGeorge Wilson "device '%s' contains an EFI label and " 1278b5b76fecSGeorge Wilson "cannot be used on root pools."), 127988ecc943SGeorge Wilson zpool_vdev_name(hdl, NULL, spares[s], 128088ecc943SGeorge Wilson B_FALSE)); 1281b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); 1282b5b76fecSGeorge Wilson } 1283b5b76fecSGeorge Wilson } 1284b5b76fecSGeorge Wilson } 1285b5b76fecSGeorge Wilson 1286fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1287fa94a07fSbrendan SPA_VERSION_L2CACHE && 1288fa94a07fSbrendan nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 1289fa94a07fSbrendan &l2cache, &nl2cache) == 0) { 1290fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 1291fa94a07fSbrendan "upgraded to add cache devices")); 1292fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADVERSION, msg)); 1293fa94a07fSbrendan } 1294fa94a07fSbrendan 1295990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 129699653d4eSeschrock return (-1); 1297fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1298fa9e4066Sahrens 1299cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { 1300fa9e4066Sahrens switch (errno) { 1301fa9e4066Sahrens case EBUSY: 1302fa9e4066Sahrens /* 1303fa9e4066Sahrens * This can happen if the user has specified the same 1304fa9e4066Sahrens * device multiple times. We can't reliably detect this 1305fa9e4066Sahrens * until we try to add it and see we already have a 1306fa9e4066Sahrens * label. 1307fa9e4066Sahrens */ 130899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 130999653d4eSeschrock "one or more vdevs refer to the same device")); 131099653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1311fa9e4066Sahrens break; 1312fa9e4066Sahrens 1313fa9e4066Sahrens case EOVERFLOW: 1314fa9e4066Sahrens /* 1315fa9e4066Sahrens * This occurrs when one of the devices is below 1316fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1317fa9e4066Sahrens * device was the problem device since there's no 1318fa9e4066Sahrens * reliable way to determine device size from userland. 1319fa9e4066Sahrens */ 1320fa9e4066Sahrens { 1321fa9e4066Sahrens char buf[64]; 1322fa9e4066Sahrens 1323fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1324fa9e4066Sahrens 132599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 132699653d4eSeschrock "device is less than the minimum " 132799653d4eSeschrock "size (%s)"), buf); 1328fa9e4066Sahrens } 132999653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 133099653d4eSeschrock break; 133199653d4eSeschrock 133299653d4eSeschrock case ENOTSUP: 133399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 13348654d025Sperrin "pool must be upgraded to add these vdevs")); 133599653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, msg); 1336fa9e4066Sahrens break; 1337fa9e4066Sahrens 1338b1b8ab34Slling case EDOM: 1339b1b8ab34Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 13408654d025Sperrin "root pool can not have multiple vdevs" 13418654d025Sperrin " or separate logs")); 1342b1b8ab34Slling (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); 1343b1b8ab34Slling break; 1344b1b8ab34Slling 1345fa94a07fSbrendan case ENOTBLK: 1346fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1347fa94a07fSbrendan "cache device must be a disk or disk slice")); 1348fa94a07fSbrendan (void) zfs_error(hdl, EZFS_BADDEV, msg); 1349fa94a07fSbrendan break; 1350fa94a07fSbrendan 1351fa9e4066Sahrens default: 135299653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1353fa9e4066Sahrens } 1354fa9e4066Sahrens 135599653d4eSeschrock ret = -1; 135699653d4eSeschrock } else { 135799653d4eSeschrock ret = 0; 1358fa9e4066Sahrens } 1359fa9e4066Sahrens 1360e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1361fa9e4066Sahrens 136299653d4eSeschrock return (ret); 1363fa9e4066Sahrens } 1364fa9e4066Sahrens 1365fa9e4066Sahrens /* 1366fa9e4066Sahrens * Exports the pool from the system. The caller must ensure that there are no 1367fa9e4066Sahrens * mounted datasets in the pool. 1368fa9e4066Sahrens */ 13694445fffbSMatthew Ahrens static int 13704445fffbSMatthew Ahrens zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce, 13714445fffbSMatthew Ahrens const char *log_str) 1372fa9e4066Sahrens { 1373fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 137489a89ebfSlling char msg[1024]; 1375fa9e4066Sahrens 137689a89ebfSlling (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 137789a89ebfSlling "cannot export '%s'"), zhp->zpool_name); 137889a89ebfSlling 1379fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 138089a89ebfSlling zc.zc_cookie = force; 1381394ab0cbSGeorge Wilson zc.zc_guid = hardforce; 13824445fffbSMatthew Ahrens zc.zc_history = (uint64_t)(uintptr_t)log_str; 138389a89ebfSlling 138489a89ebfSlling if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { 138589a89ebfSlling switch (errno) { 138689a89ebfSlling case EXDEV: 138789a89ebfSlling zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, 138889a89ebfSlling "use '-f' to override the following errors:\n" 138989a89ebfSlling "'%s' has an active shared spare which could be" 139089a89ebfSlling " used by other pools once '%s' is exported."), 139189a89ebfSlling zhp->zpool_name, zhp->zpool_name); 139289a89ebfSlling return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, 139389a89ebfSlling msg)); 139489a89ebfSlling default: 139589a89ebfSlling return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, 139689a89ebfSlling msg)); 139789a89ebfSlling } 139889a89ebfSlling } 1399fa9e4066Sahrens 1400fa9e4066Sahrens return (0); 1401fa9e4066Sahrens } 1402fa9e4066Sahrens 1403394ab0cbSGeorge Wilson int 14044445fffbSMatthew Ahrens zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str) 1405394ab0cbSGeorge Wilson { 14064445fffbSMatthew Ahrens return (zpool_export_common(zhp, force, B_FALSE, log_str)); 1407394ab0cbSGeorge Wilson } 1408394ab0cbSGeorge Wilson 1409394ab0cbSGeorge Wilson int 14104445fffbSMatthew Ahrens zpool_export_force(zpool_handle_t *zhp, const char *log_str) 1411394ab0cbSGeorge Wilson { 14124445fffbSMatthew Ahrens return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str)); 1413394ab0cbSGeorge Wilson } 1414394ab0cbSGeorge Wilson 1415468c413aSTim Haley static void 1416468c413aSTim Haley zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, 14174b964adaSGeorge Wilson nvlist_t *config) 1418468c413aSTim Haley { 14194b964adaSGeorge Wilson nvlist_t *nv = NULL; 1420468c413aSTim Haley uint64_t rewindto; 1421468c413aSTim Haley int64_t loss = -1; 1422468c413aSTim Haley struct tm t; 1423468c413aSTim Haley char timestr[128]; 1424468c413aSTim Haley 14254b964adaSGeorge Wilson if (!hdl->libzfs_printerr || config == NULL) 14264b964adaSGeorge Wilson return; 14274b964adaSGeorge Wilson 1428ad135b5dSChristopher Siden if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 1429ad135b5dSChristopher Siden nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) { 1430468c413aSTim Haley return; 1431ad135b5dSChristopher Siden } 1432468c413aSTim Haley 14334b964adaSGeorge Wilson if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1434468c413aSTim Haley return; 14354b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 1436468c413aSTim Haley 1437468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1438468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1439468c413aSTim Haley if (dryrun) { 1440468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1441468c413aSTim Haley "Would be able to return %s " 1442468c413aSTim Haley "to its state as of %s.\n"), 1443468c413aSTim Haley name, timestr); 1444468c413aSTim Haley } else { 1445468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1446468c413aSTim Haley "Pool %s returned to its state as of %s.\n"), 1447468c413aSTim Haley name, timestr); 1448468c413aSTim Haley } 1449468c413aSTim Haley if (loss > 120) { 1450468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1451468c413aSTim Haley "%s approximately %lld "), 1452468c413aSTim Haley dryrun ? "Would discard" : "Discarded", 1453468c413aSTim Haley (loss + 30) / 60); 1454468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1455468c413aSTim Haley "minutes of transactions.\n")); 1456468c413aSTim Haley } else if (loss > 0) { 1457468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1458468c413aSTim Haley "%s approximately %lld "), 1459468c413aSTim Haley dryrun ? "Would discard" : "Discarded", loss); 1460468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1461468c413aSTim Haley "seconds of transactions.\n")); 1462468c413aSTim Haley } 1463468c413aSTim Haley } 1464468c413aSTim Haley } 1465468c413aSTim Haley 1466468c413aSTim Haley void 1467468c413aSTim Haley zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, 1468468c413aSTim Haley nvlist_t *config) 1469468c413aSTim Haley { 14704b964adaSGeorge Wilson nvlist_t *nv = NULL; 1471468c413aSTim Haley int64_t loss = -1; 1472468c413aSTim Haley uint64_t edata = UINT64_MAX; 1473468c413aSTim Haley uint64_t rewindto; 1474468c413aSTim Haley struct tm t; 1475468c413aSTim Haley char timestr[128]; 1476468c413aSTim Haley 1477468c413aSTim Haley if (!hdl->libzfs_printerr) 1478468c413aSTim Haley return; 1479468c413aSTim Haley 1480468c413aSTim Haley if (reason >= 0) 1481468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "action: ")); 1482468c413aSTim Haley else 1483468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, "\t")); 1484468c413aSTim Haley 1485468c413aSTim Haley /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ 14864b964adaSGeorge Wilson if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || 1487ad135b5dSChristopher Siden nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 || 14884b964adaSGeorge Wilson nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) 1489468c413aSTim Haley goto no_info; 1490468c413aSTim Haley 14914b964adaSGeorge Wilson (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); 14924b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, 1493468c413aSTim Haley &edata); 1494468c413aSTim Haley 1495468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1496468c413aSTim Haley "Recovery is possible, but will result in some data loss.\n")); 1497468c413aSTim Haley 1498468c413aSTim Haley if (localtime_r((time_t *)&rewindto, &t) != NULL && 1499468c413aSTim Haley strftime(timestr, 128, 0, &t) != 0) { 1500468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1501468c413aSTim Haley "\tReturning the pool to its state as of %s\n" 1502468c413aSTim Haley "\tshould correct the problem. "), 1503468c413aSTim Haley timestr); 1504468c413aSTim Haley } else { 1505468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1506468c413aSTim Haley "\tReverting the pool to an earlier state " 1507468c413aSTim Haley "should correct the problem.\n\t")); 1508468c413aSTim Haley } 1509468c413aSTim Haley 1510468c413aSTim Haley if (loss > 120) { 1511468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1512468c413aSTim Haley "Approximately %lld minutes of data\n" 1513468c413aSTim Haley "\tmust be discarded, irreversibly. "), (loss + 30) / 60); 1514468c413aSTim Haley } else if (loss > 0) { 1515468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1516468c413aSTim Haley "Approximately %lld seconds of data\n" 1517468c413aSTim Haley "\tmust be discarded, irreversibly. "), loss); 1518468c413aSTim Haley } 1519468c413aSTim Haley if (edata != 0 && edata != UINT64_MAX) { 1520468c413aSTim Haley if (edata == 1) { 1521468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1522468c413aSTim Haley "After rewind, at least\n" 1523468c413aSTim Haley "\tone persistent user-data error will remain. ")); 1524468c413aSTim Haley } else { 1525468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1526468c413aSTim Haley "After rewind, several\n" 1527468c413aSTim Haley "\tpersistent user-data errors will remain. ")); 1528468c413aSTim Haley } 1529468c413aSTim Haley } 1530468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1531a33cae98STim Haley "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), 1532a33cae98STim Haley reason >= 0 ? "clear" : "import", name); 1533468c413aSTim Haley 1534468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1535468c413aSTim Haley "A scrub of the pool\n" 1536468c413aSTim Haley "\tis strongly recommended after recovery.\n")); 1537468c413aSTim Haley return; 1538468c413aSTim Haley 1539468c413aSTim Haley no_info: 1540468c413aSTim Haley (void) printf(dgettext(TEXT_DOMAIN, 1541468c413aSTim Haley "Destroy and re-create the pool from\n\ta backup source.\n")); 1542468c413aSTim Haley } 1543468c413aSTim Haley 1544fa9e4066Sahrens /* 1545990b4856Slling * zpool_import() is a contracted interface. Should be kept the same 1546990b4856Slling * if possible. 1547990b4856Slling * 1548990b4856Slling * Applications should use zpool_import_props() to import a pool with 1549990b4856Slling * new properties value to be set. 1550fa9e4066Sahrens */ 1551fa9e4066Sahrens int 155299653d4eSeschrock zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 1553990b4856Slling char *altroot) 1554990b4856Slling { 1555990b4856Slling nvlist_t *props = NULL; 1556990b4856Slling int ret; 1557990b4856Slling 1558990b4856Slling if (altroot != NULL) { 1559990b4856Slling if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { 1560990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1561990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1562990b4856Slling newname)); 1563990b4856Slling } 1564990b4856Slling 1565990b4856Slling if (nvlist_add_string(props, 1566352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || 1567352d8027SGeorge Wilson nvlist_add_string(props, 1568352d8027SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { 1569990b4856Slling nvlist_free(props); 1570990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1571990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1572990b4856Slling newname)); 1573990b4856Slling } 1574990b4856Slling } 1575990b4856Slling 15764b964adaSGeorge Wilson ret = zpool_import_props(hdl, config, newname, props, 15774b964adaSGeorge Wilson ZFS_IMPORT_NORMAL); 1578990b4856Slling if (props) 1579990b4856Slling nvlist_free(props); 1580990b4856Slling return (ret); 1581990b4856Slling } 1582990b4856Slling 15834b964adaSGeorge Wilson static void 15844b964adaSGeorge Wilson print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, 15854b964adaSGeorge Wilson int indent) 15864b964adaSGeorge Wilson { 15874b964adaSGeorge Wilson nvlist_t **child; 15884b964adaSGeorge Wilson uint_t c, children; 15894b964adaSGeorge Wilson char *vname; 15904b964adaSGeorge Wilson uint64_t is_log = 0; 15914b964adaSGeorge Wilson 15924b964adaSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, 15934b964adaSGeorge Wilson &is_log); 15944b964adaSGeorge Wilson 15954b964adaSGeorge Wilson if (name != NULL) 15964b964adaSGeorge Wilson (void) printf("\t%*s%s%s\n", indent, "", name, 15974b964adaSGeorge Wilson is_log ? " [log]" : ""); 15984b964adaSGeorge Wilson 15994b964adaSGeorge Wilson if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 16004b964adaSGeorge Wilson &child, &children) != 0) 16014b964adaSGeorge Wilson return; 16024b964adaSGeorge Wilson 16034b964adaSGeorge Wilson for (c = 0; c < children; c++) { 16044b964adaSGeorge Wilson vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); 16054b964adaSGeorge Wilson print_vdev_tree(hdl, vname, child[c], indent + 2); 16064b964adaSGeorge Wilson free(vname); 16074b964adaSGeorge Wilson } 16084b964adaSGeorge Wilson } 16094b964adaSGeorge Wilson 1610ad135b5dSChristopher Siden void 1611ad135b5dSChristopher Siden zpool_print_unsup_feat(nvlist_t *config) 1612ad135b5dSChristopher Siden { 1613ad135b5dSChristopher Siden nvlist_t *nvinfo, *unsup_feat; 1614ad135b5dSChristopher Siden 1615ad135b5dSChristopher Siden verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 1616ad135b5dSChristopher Siden 0); 1617ad135b5dSChristopher Siden verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT, 1618ad135b5dSChristopher Siden &unsup_feat) == 0); 1619ad135b5dSChristopher Siden 1620ad135b5dSChristopher Siden for (nvpair_t *nvp = nvlist_next_nvpair(unsup_feat, NULL); nvp != NULL; 1621ad135b5dSChristopher Siden nvp = nvlist_next_nvpair(unsup_feat, nvp)) { 1622ad135b5dSChristopher Siden char *desc; 1623ad135b5dSChristopher Siden 1624ad135b5dSChristopher Siden verify(nvpair_type(nvp) == DATA_TYPE_STRING); 1625ad135b5dSChristopher Siden verify(nvpair_value_string(nvp, &desc) == 0); 1626ad135b5dSChristopher Siden 1627ad135b5dSChristopher Siden if (strlen(desc) > 0) 1628ad135b5dSChristopher Siden (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc); 1629ad135b5dSChristopher Siden else 1630ad135b5dSChristopher Siden (void) printf("\t%s\n", nvpair_name(nvp)); 1631ad135b5dSChristopher Siden } 1632ad135b5dSChristopher Siden } 1633ad135b5dSChristopher Siden 1634990b4856Slling /* 1635990b4856Slling * Import the given pool using the known configuration and a list of 1636990b4856Slling * properties to be set. The configuration should have come from 1637990b4856Slling * zpool_find_import(). The 'newname' parameters control whether the pool 1638990b4856Slling * is imported with a different name. 1639990b4856Slling */ 1640990b4856Slling int 1641990b4856Slling zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 16424b964adaSGeorge Wilson nvlist_t *props, int flags) 1643fa9e4066Sahrens { 1644e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 1645468c413aSTim Haley zpool_rewind_policy_t policy; 16464b964adaSGeorge Wilson nvlist_t *nv = NULL; 16474b964adaSGeorge Wilson nvlist_t *nvinfo = NULL; 16484b964adaSGeorge Wilson nvlist_t *missing = NULL; 1649fa9e4066Sahrens char *thename; 1650fa9e4066Sahrens char *origname; 1651fa9e4066Sahrens int ret; 16524b964adaSGeorge Wilson int error = 0; 1653990b4856Slling char errbuf[1024]; 1654fa9e4066Sahrens 1655fa9e4066Sahrens verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1656fa9e4066Sahrens &origname) == 0); 1657fa9e4066Sahrens 1658990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 1659990b4856Slling "cannot import pool '%s'"), origname); 1660990b4856Slling 1661fa9e4066Sahrens if (newname != NULL) { 166299653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, newname)) 1663ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, 166499653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot import '%s'"), 166599653d4eSeschrock newname)); 1666fa9e4066Sahrens thename = (char *)newname; 1667fa9e4066Sahrens } else { 1668fa9e4066Sahrens thename = origname; 1669fa9e4066Sahrens } 1670fa9e4066Sahrens 1671990b4856Slling if (props) { 1672990b4856Slling uint64_t version; 1673f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 1674fa9e4066Sahrens 1675990b4856Slling verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 1676990b4856Slling &version) == 0); 1677fa9e4066Sahrens 16780a48a24eStimh if ((props = zpool_valid_proplist(hdl, origname, 1679f9af39baSGeorge Wilson props, version, flags, errbuf)) == NULL) { 1680990b4856Slling return (-1); 1681351420b3Slling } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { 1682351420b3Slling nvlist_free(props); 1683990b4856Slling return (-1); 1684351420b3Slling } 1685990b4856Slling } 1686990b4856Slling 1687990b4856Slling (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); 1688fa9e4066Sahrens 1689fa9e4066Sahrens verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1690ea8dc4b6Seschrock &zc.zc_guid) == 0); 1691fa9e4066Sahrens 1692351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { 1693351420b3Slling nvlist_free(props); 169499653d4eSeschrock return (-1); 1695351420b3Slling } 169657f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { 1697468c413aSTim Haley nvlist_free(props); 1698468c413aSTim Haley return (-1); 1699468c413aSTim Haley } 1700fa9e4066Sahrens 17014b964adaSGeorge Wilson zc.zc_cookie = flags; 17024b964adaSGeorge Wilson while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && 17034b964adaSGeorge Wilson errno == ENOMEM) { 17044b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 17054b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 17064b964adaSGeorge Wilson return (-1); 17074b964adaSGeorge Wilson } 17084b964adaSGeorge Wilson } 17094b964adaSGeorge Wilson if (ret != 0) 17104b964adaSGeorge Wilson error = errno; 17114b964adaSGeorge Wilson 17124b964adaSGeorge Wilson (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); 17134b964adaSGeorge Wilson zpool_get_rewind_policy(config, &policy); 17144b964adaSGeorge Wilson 17154b964adaSGeorge Wilson if (error) { 1716fa9e4066Sahrens char desc[1024]; 1717468c413aSTim Haley 1718468c413aSTim Haley /* 1719468c413aSTim Haley * Dry-run failed, but we print out what success 1720468c413aSTim Haley * looks like if we found a best txg 1721468c413aSTim Haley */ 17224b964adaSGeorge Wilson if (policy.zrp_request & ZPOOL_TRY_REWIND) { 1723468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 17244b964adaSGeorge Wilson B_TRUE, nv); 17254b964adaSGeorge Wilson nvlist_free(nv); 1726468c413aSTim Haley return (-1); 1727468c413aSTim Haley } 1728468c413aSTim Haley 1729fa9e4066Sahrens if (newname == NULL) 1730fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1731fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1732fa9e4066Sahrens thename); 1733fa9e4066Sahrens else 1734fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1735fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), 1736fa9e4066Sahrens origname, thename); 1737fa9e4066Sahrens 17384b964adaSGeorge Wilson switch (error) { 1739ea8dc4b6Seschrock case ENOTSUP: 1740ad135b5dSChristopher Siden if (nv != NULL && nvlist_lookup_nvlist(nv, 1741ad135b5dSChristopher Siden ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 1742ad135b5dSChristopher Siden nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) { 1743ad135b5dSChristopher Siden (void) printf(dgettext(TEXT_DOMAIN, "This " 1744ad135b5dSChristopher Siden "pool uses the following feature(s) not " 1745ad135b5dSChristopher Siden "supported by this system:\n")); 1746ad135b5dSChristopher Siden zpool_print_unsup_feat(nv); 1747ad135b5dSChristopher Siden if (nvlist_exists(nvinfo, 1748ad135b5dSChristopher Siden ZPOOL_CONFIG_CAN_RDONLY)) { 1749ad135b5dSChristopher Siden (void) printf(dgettext(TEXT_DOMAIN, 1750ad135b5dSChristopher Siden "All unsupported features are only " 1751ad135b5dSChristopher Siden "required for writing to the pool." 1752ad135b5dSChristopher Siden "\nThe pool can be imported using " 1753ad135b5dSChristopher Siden "'-o readonly=on'.\n")); 1754ad135b5dSChristopher Siden } 1755ad135b5dSChristopher Siden } 1756ea8dc4b6Seschrock /* 1757ea8dc4b6Seschrock * Unsupported version. 1758ea8dc4b6Seschrock */ 175999653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, desc); 1760ea8dc4b6Seschrock break; 1761ea8dc4b6Seschrock 1762b5989ec7Seschrock case EINVAL: 1763b5989ec7Seschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); 1764b5989ec7Seschrock break; 1765b5989ec7Seschrock 176654a91118SChris Kirby case EROFS: 176754a91118SChris Kirby zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 176854a91118SChris Kirby "one or more devices is read only")); 176954a91118SChris Kirby (void) zfs_error(hdl, EZFS_BADDEV, desc); 177054a91118SChris Kirby break; 177154a91118SChris Kirby 17724b964adaSGeorge Wilson case ENXIO: 17734b964adaSGeorge Wilson if (nv && nvlist_lookup_nvlist(nv, 17744b964adaSGeorge Wilson ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && 17754b964adaSGeorge Wilson nvlist_lookup_nvlist(nvinfo, 17764b964adaSGeorge Wilson ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { 17774b964adaSGeorge Wilson (void) printf(dgettext(TEXT_DOMAIN, 17784b964adaSGeorge Wilson "The devices below are missing, use " 17794b964adaSGeorge Wilson "'-m' to import the pool anyway:\n")); 17804b964adaSGeorge Wilson print_vdev_tree(hdl, NULL, missing, 2); 17814b964adaSGeorge Wilson (void) printf("\n"); 17824b964adaSGeorge Wilson } 17834b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 17844b964adaSGeorge Wilson break; 17854b964adaSGeorge Wilson 17864b964adaSGeorge Wilson case EEXIST: 17874b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 17884b964adaSGeorge Wilson break; 17894b964adaSGeorge Wilson 1790fa9e4066Sahrens default: 17914b964adaSGeorge Wilson (void) zpool_standard_error(hdl, error, desc); 1792468c413aSTim Haley zpool_explain_recover(hdl, 17934b964adaSGeorge Wilson newname ? origname : thename, -error, nv); 1794468c413aSTim Haley break; 1795fa9e4066Sahrens } 1796fa9e4066Sahrens 17974b964adaSGeorge Wilson nvlist_free(nv); 1798fa9e4066Sahrens ret = -1; 1799fa9e4066Sahrens } else { 1800fa9e4066Sahrens zpool_handle_t *zhp; 1801ecd6cf80Smarks 1802fa9e4066Sahrens /* 1803fa9e4066Sahrens * This should never fail, but play it safe anyway. 1804fa9e4066Sahrens */ 1805681d9761SEric Taylor if (zpool_open_silent(hdl, thename, &zhp) != 0) 180694de1d4cSeschrock ret = -1; 1807681d9761SEric Taylor else if (zhp != NULL) 1808fa9e4066Sahrens zpool_close(zhp); 1809468c413aSTim Haley if (policy.zrp_request & 1810468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 1811468c413aSTim Haley zpool_rewind_exclaim(hdl, newname ? origname : thename, 18124b964adaSGeorge Wilson ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); 1813468c413aSTim Haley } 18144b964adaSGeorge Wilson nvlist_free(nv); 1815468c413aSTim Haley return (0); 1816fa9e4066Sahrens } 1817fa9e4066Sahrens 1818e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1819351420b3Slling nvlist_free(props); 1820351420b3Slling 1821fa9e4066Sahrens return (ret); 1822fa9e4066Sahrens } 1823fa9e4066Sahrens 1824fa9e4066Sahrens /* 18253f9d6ad7SLin Ling * Scan the pool. 1826fa9e4066Sahrens */ 1827fa9e4066Sahrens int 18283f9d6ad7SLin Ling zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) 1829fa9e4066Sahrens { 1830fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1831fa9e4066Sahrens char msg[1024]; 183299653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1833fa9e4066Sahrens 1834fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 18353f9d6ad7SLin Ling zc.zc_cookie = func; 1836fa9e4066Sahrens 1837cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || 18383f9d6ad7SLin Ling (errno == ENOENT && func != POOL_SCAN_NONE)) 1839fa9e4066Sahrens return (0); 1840fa9e4066Sahrens 18413f9d6ad7SLin Ling if (func == POOL_SCAN_SCRUB) { 18423f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 18433f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); 18443f9d6ad7SLin Ling } else if (func == POOL_SCAN_NONE) { 18453f9d6ad7SLin Ling (void) snprintf(msg, sizeof (msg), 18463f9d6ad7SLin Ling dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), 18473f9d6ad7SLin Ling zc.zc_name); 18483f9d6ad7SLin Ling } else { 18493f9d6ad7SLin Ling assert(!"unexpected result"); 18503f9d6ad7SLin Ling } 1851fa9e4066Sahrens 18523f9d6ad7SLin Ling if (errno == EBUSY) { 18533f9d6ad7SLin Ling nvlist_t *nvroot; 18543f9d6ad7SLin Ling pool_scan_stat_t *ps = NULL; 18553f9d6ad7SLin Ling uint_t psc; 18563f9d6ad7SLin Ling 18573f9d6ad7SLin Ling verify(nvlist_lookup_nvlist(zhp->zpool_config, 18583f9d6ad7SLin Ling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 18593f9d6ad7SLin Ling (void) nvlist_lookup_uint64_array(nvroot, 18603f9d6ad7SLin Ling ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); 18613f9d6ad7SLin Ling if (ps && ps->pss_func == POOL_SCAN_SCRUB) 18623f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_SCRUBBING, msg)); 18633f9d6ad7SLin Ling else 18643f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_RESILVERING, msg)); 18653f9d6ad7SLin Ling } else if (errno == ENOENT) { 18663f9d6ad7SLin Ling return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); 18673f9d6ad7SLin Ling } else { 186899653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 18693f9d6ad7SLin Ling } 1870fa9e4066Sahrens } 1871fa9e4066Sahrens 18723fdda499SJohn Harres /* 18733fdda499SJohn Harres * This provides a very minimal check whether a given string is likely a 18743fdda499SJohn Harres * c#t#d# style string. Users of this are expected to do their own 18753fdda499SJohn Harres * verification of the s# part. 18763fdda499SJohn Harres */ 18773fdda499SJohn Harres #define CTD_CHECK(str) (str && str[0] == 'c' && isdigit(str[1])) 18783fdda499SJohn Harres 18793fdda499SJohn Harres /* 18803fdda499SJohn Harres * More elaborate version for ones which may start with "/dev/dsk/" 18813fdda499SJohn Harres * and the like. 18823fdda499SJohn Harres */ 18833fdda499SJohn Harres static int 18843fdda499SJohn Harres ctd_check_path(char *str) { 18853fdda499SJohn Harres /* 18863fdda499SJohn Harres * If it starts with a slash, check the last component. 18873fdda499SJohn Harres */ 18883fdda499SJohn Harres if (str && str[0] == '/') { 18893fdda499SJohn Harres char *tmp = strrchr(str, '/'); 18903fdda499SJohn Harres 18913fdda499SJohn Harres /* 18923fdda499SJohn Harres * If it ends in "/old", check the second-to-last 18933fdda499SJohn Harres * component of the string instead. 18943fdda499SJohn Harres */ 18953fdda499SJohn Harres if (tmp != str && strcmp(tmp, "/old") == 0) { 18963fdda499SJohn Harres for (tmp--; *tmp != '/'; tmp--) 18973fdda499SJohn Harres ; 18983fdda499SJohn Harres } 18993fdda499SJohn Harres str = tmp + 1; 19003fdda499SJohn Harres } 19013fdda499SJohn Harres return (CTD_CHECK(str)); 19023fdda499SJohn Harres } 19033fdda499SJohn Harres 1904a43d325bSek /* 1905573ca77eSGeorge Wilson * Find a vdev that matches the search criteria specified. We use the 1906573ca77eSGeorge Wilson * the nvpair name to determine how we should look for the device. 1907a43d325bSek * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL 1908a43d325bSek * spare; but FALSE if its an INUSE spare. 1909a43d325bSek */ 191099653d4eSeschrock static nvlist_t * 1911573ca77eSGeorge Wilson vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, 1912573ca77eSGeorge Wilson boolean_t *l2cache, boolean_t *log) 1913ea8dc4b6Seschrock { 1914ea8dc4b6Seschrock uint_t c, children; 1915ea8dc4b6Seschrock nvlist_t **child; 191699653d4eSeschrock nvlist_t *ret; 1917ee0eb9f2SEric Schrock uint64_t is_log; 1918573ca77eSGeorge Wilson char *srchkey; 1919573ca77eSGeorge Wilson nvpair_t *pair = nvlist_next_nvpair(search, NULL); 1920573ca77eSGeorge Wilson 1921573ca77eSGeorge Wilson /* Nothing to look for */ 1922573ca77eSGeorge Wilson if (search == NULL || pair == NULL) 1923573ca77eSGeorge Wilson return (NULL); 1924ea8dc4b6Seschrock 1925573ca77eSGeorge Wilson /* Obtain the key we will use to search */ 1926573ca77eSGeorge Wilson srchkey = nvpair_name(pair); 1927573ca77eSGeorge Wilson 1928573ca77eSGeorge Wilson switch (nvpair_type(pair)) { 1929cb04b873SMark J Musante case DATA_TYPE_UINT64: 1930573ca77eSGeorge Wilson if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { 1931cb04b873SMark J Musante uint64_t srchval, theguid; 1932cb04b873SMark J Musante 1933cb04b873SMark J Musante verify(nvpair_value_uint64(pair, &srchval) == 0); 1934cb04b873SMark J Musante verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1935cb04b873SMark J Musante &theguid) == 0); 1936cb04b873SMark J Musante if (theguid == srchval) 1937cb04b873SMark J Musante return (nv); 1938573ca77eSGeorge Wilson } 1939573ca77eSGeorge Wilson break; 1940573ca77eSGeorge Wilson 1941573ca77eSGeorge Wilson case DATA_TYPE_STRING: { 1942573ca77eSGeorge Wilson char *srchval, *val; 1943573ca77eSGeorge Wilson 1944573ca77eSGeorge Wilson verify(nvpair_value_string(pair, &srchval) == 0); 1945573ca77eSGeorge Wilson if (nvlist_lookup_string(nv, srchkey, &val) != 0) 1946573ca77eSGeorge Wilson break; 1947ea8dc4b6Seschrock 1948ea8dc4b6Seschrock /* 19493fdda499SJohn Harres * Search for the requested value. Special cases: 19503fdda499SJohn Harres * 19513fdda499SJohn Harres * - ZPOOL_CONFIG_PATH for whole disk entries. These end in 19523fdda499SJohn Harres * "s0" or "s0/old". The "s0" part is hidden from the user, 19533fdda499SJohn Harres * but included in the string, so this matches around it. 19543fdda499SJohn Harres * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). 19553fdda499SJohn Harres * 195688ecc943SGeorge Wilson * Otherwise, all other searches are simple string compares. 1957ea8dc4b6Seschrock */ 19583fdda499SJohn Harres if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 && 19593fdda499SJohn Harres ctd_check_path(val)) { 1960573ca77eSGeorge Wilson uint64_t wholedisk = 0; 1961573ca77eSGeorge Wilson 1962573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 1963573ca77eSGeorge Wilson &wholedisk); 1964573ca77eSGeorge Wilson if (wholedisk) { 19653fdda499SJohn Harres int slen = strlen(srchval); 19663fdda499SJohn Harres int vlen = strlen(val); 19673fdda499SJohn Harres 19683fdda499SJohn Harres if (slen != vlen - 2) 19693fdda499SJohn Harres break; 19703fdda499SJohn Harres 19713fdda499SJohn Harres /* 19723fdda499SJohn Harres * make_leaf_vdev() should only set 19733fdda499SJohn Harres * wholedisk for ZPOOL_CONFIG_PATHs which 19743fdda499SJohn Harres * will include "/dev/dsk/", giving plenty of 19753fdda499SJohn Harres * room for the indices used next. 19763fdda499SJohn Harres */ 19773fdda499SJohn Harres ASSERT(vlen >= 6); 19783fdda499SJohn Harres 19793fdda499SJohn Harres /* 19803fdda499SJohn Harres * strings identical except trailing "s0" 19813fdda499SJohn Harres */ 19823fdda499SJohn Harres if (strcmp(&val[vlen - 2], "s0") == 0 && 19833fdda499SJohn Harres strncmp(srchval, val, slen) == 0) 19843fdda499SJohn Harres return (nv); 19853fdda499SJohn Harres 1986573ca77eSGeorge Wilson /* 19873fdda499SJohn Harres * strings identical except trailing "s0/old" 1988573ca77eSGeorge Wilson */ 19893fdda499SJohn Harres if (strcmp(&val[vlen - 6], "s0/old") == 0 && 19903fdda499SJohn Harres strcmp(&srchval[slen - 4], "/old") == 0 && 19913fdda499SJohn Harres strncmp(srchval, val, slen - 4) == 0) 1992573ca77eSGeorge Wilson return (nv); 19933fdda499SJohn Harres 1994573ca77eSGeorge Wilson break; 1995573ca77eSGeorge Wilson } 199688ecc943SGeorge Wilson } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { 199788ecc943SGeorge Wilson char *type, *idx, *end, *p; 199888ecc943SGeorge Wilson uint64_t id, vdev_id; 199988ecc943SGeorge Wilson 200088ecc943SGeorge Wilson /* 200188ecc943SGeorge Wilson * Determine our vdev type, keeping in mind 200288ecc943SGeorge Wilson * that the srchval is composed of a type and 200388ecc943SGeorge Wilson * vdev id pair (i.e. mirror-4). 200488ecc943SGeorge Wilson */ 200588ecc943SGeorge Wilson if ((type = strdup(srchval)) == NULL) 200688ecc943SGeorge Wilson return (NULL); 200788ecc943SGeorge Wilson 200888ecc943SGeorge Wilson if ((p = strrchr(type, '-')) == NULL) { 200988ecc943SGeorge Wilson free(type); 201088ecc943SGeorge Wilson break; 201188ecc943SGeorge Wilson } 201288ecc943SGeorge Wilson idx = p + 1; 201388ecc943SGeorge Wilson *p = '\0'; 201488ecc943SGeorge Wilson 201588ecc943SGeorge Wilson /* 201688ecc943SGeorge Wilson * If the types don't match then keep looking. 201788ecc943SGeorge Wilson */ 201888ecc943SGeorge Wilson if (strncmp(val, type, strlen(val)) != 0) { 201988ecc943SGeorge Wilson free(type); 202088ecc943SGeorge Wilson break; 202188ecc943SGeorge Wilson } 202288ecc943SGeorge Wilson 202388ecc943SGeorge Wilson verify(strncmp(type, VDEV_TYPE_RAIDZ, 202488ecc943SGeorge Wilson strlen(VDEV_TYPE_RAIDZ)) == 0 || 202588ecc943SGeorge Wilson strncmp(type, VDEV_TYPE_MIRROR, 202688ecc943SGeorge Wilson strlen(VDEV_TYPE_MIRROR)) == 0); 202788ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 202888ecc943SGeorge Wilson &id) == 0); 202988ecc943SGeorge Wilson 203088ecc943SGeorge Wilson errno = 0; 203188ecc943SGeorge Wilson vdev_id = strtoull(idx, &end, 10); 203288ecc943SGeorge Wilson 203388ecc943SGeorge Wilson free(type); 203488ecc943SGeorge Wilson if (errno != 0) 203588ecc943SGeorge Wilson return (NULL); 203688ecc943SGeorge Wilson 203788ecc943SGeorge Wilson /* 203888ecc943SGeorge Wilson * Now verify that we have the correct vdev id. 203988ecc943SGeorge Wilson */ 204088ecc943SGeorge Wilson if (vdev_id == id) 204188ecc943SGeorge Wilson return (nv); 2042ea8dc4b6Seschrock } 2043573ca77eSGeorge Wilson 2044573ca77eSGeorge Wilson /* 2045573ca77eSGeorge Wilson * Common case 2046573ca77eSGeorge Wilson */ 2047573ca77eSGeorge Wilson if (strcmp(srchval, val) == 0) 2048573ca77eSGeorge Wilson return (nv); 2049573ca77eSGeorge Wilson break; 2050573ca77eSGeorge Wilson } 2051573ca77eSGeorge Wilson 2052573ca77eSGeorge Wilson default: 2053573ca77eSGeorge Wilson break; 2054ea8dc4b6Seschrock } 2055ea8dc4b6Seschrock 2056ea8dc4b6Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2057ea8dc4b6Seschrock &child, &children) != 0) 205899653d4eSeschrock return (NULL); 2059ea8dc4b6Seschrock 2060ee0eb9f2SEric Schrock for (c = 0; c < children; c++) { 2061573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2062ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2063ee0eb9f2SEric Schrock /* 2064ee0eb9f2SEric Schrock * The 'is_log' value is only set for the toplevel 2065ee0eb9f2SEric Schrock * vdev, not the leaf vdevs. So we always lookup the 2066ee0eb9f2SEric Schrock * log device from the root of the vdev tree (where 2067ee0eb9f2SEric Schrock * 'log' is non-NULL). 2068ee0eb9f2SEric Schrock */ 2069ee0eb9f2SEric Schrock if (log != NULL && 2070ee0eb9f2SEric Schrock nvlist_lookup_uint64(child[c], 2071ee0eb9f2SEric Schrock ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && 2072ee0eb9f2SEric Schrock is_log) { 2073ee0eb9f2SEric Schrock *log = B_TRUE; 2074ee0eb9f2SEric Schrock } 2075ea8dc4b6Seschrock return (ret); 2076ee0eb9f2SEric Schrock } 2077ee0eb9f2SEric Schrock } 2078ea8dc4b6Seschrock 207999653d4eSeschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 208099653d4eSeschrock &child, &children) == 0) { 208199653d4eSeschrock for (c = 0; c < children; c++) { 2082573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2083ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2084a43d325bSek *avail_spare = B_TRUE; 208599653d4eSeschrock return (ret); 208699653d4eSeschrock } 208799653d4eSeschrock } 208899653d4eSeschrock } 208999653d4eSeschrock 2090fa94a07fSbrendan if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 2091fa94a07fSbrendan &child, &children) == 0) { 2092fa94a07fSbrendan for (c = 0; c < children; c++) { 2093573ca77eSGeorge Wilson if ((ret = vdev_to_nvlist_iter(child[c], search, 2094ee0eb9f2SEric Schrock avail_spare, l2cache, NULL)) != NULL) { 2095fa94a07fSbrendan *l2cache = B_TRUE; 2096fa94a07fSbrendan return (ret); 2097fa94a07fSbrendan } 2098fa94a07fSbrendan } 2099fa94a07fSbrendan } 2100fa94a07fSbrendan 210199653d4eSeschrock return (NULL); 2102ea8dc4b6Seschrock } 2103ea8dc4b6Seschrock 2104573ca77eSGeorge Wilson /* 2105573ca77eSGeorge Wilson * Given a physical path (minus the "/devices" prefix), find the 2106573ca77eSGeorge Wilson * associated vdev. 2107573ca77eSGeorge Wilson */ 2108573ca77eSGeorge Wilson nvlist_t * 2109573ca77eSGeorge Wilson zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, 2110573ca77eSGeorge Wilson boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) 2111573ca77eSGeorge Wilson { 2112573ca77eSGeorge Wilson nvlist_t *search, *nvroot, *ret; 2113573ca77eSGeorge Wilson 2114573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2115573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); 2116573ca77eSGeorge Wilson 2117573ca77eSGeorge Wilson verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 2118573ca77eSGeorge Wilson &nvroot) == 0); 2119573ca77eSGeorge Wilson 2120573ca77eSGeorge Wilson *avail_spare = B_FALSE; 2121cb04b873SMark J Musante *l2cache = B_FALSE; 2122daeb70e5SMark J Musante if (log != NULL) 2123daeb70e5SMark J Musante *log = B_FALSE; 2124573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 2125573ca77eSGeorge Wilson nvlist_free(search); 2126573ca77eSGeorge Wilson 2127573ca77eSGeorge Wilson return (ret); 2128573ca77eSGeorge Wilson } 2129573ca77eSGeorge Wilson 213088ecc943SGeorge Wilson /* 213188ecc943SGeorge Wilson * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). 213288ecc943SGeorge Wilson */ 213388ecc943SGeorge Wilson boolean_t 213488ecc943SGeorge Wilson zpool_vdev_is_interior(const char *name) 213588ecc943SGeorge Wilson { 213688ecc943SGeorge Wilson if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || 213788ecc943SGeorge Wilson strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) 213888ecc943SGeorge Wilson return (B_TRUE); 213988ecc943SGeorge Wilson return (B_FALSE); 214088ecc943SGeorge Wilson } 214188ecc943SGeorge Wilson 214299653d4eSeschrock nvlist_t * 2143fa94a07fSbrendan zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, 2144ee0eb9f2SEric Schrock boolean_t *l2cache, boolean_t *log) 2145ea8dc4b6Seschrock { 2146ea8dc4b6Seschrock char buf[MAXPATHLEN]; 2147ea8dc4b6Seschrock char *end; 2148573ca77eSGeorge Wilson nvlist_t *nvroot, *search, *ret; 2149ea8dc4b6Seschrock uint64_t guid; 2150ea8dc4b6Seschrock 2151573ca77eSGeorge Wilson verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); 2152573ca77eSGeorge Wilson 21530917b783Seschrock guid = strtoull(path, &end, 10); 2154ea8dc4b6Seschrock if (guid != 0 && *end == '\0') { 2155573ca77eSGeorge Wilson verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); 215688ecc943SGeorge Wilson } else if (zpool_vdev_is_interior(path)) { 215788ecc943SGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); 2158ea8dc4b6Seschrock } else if (path[0] != '/') { 2159ea8dc4b6Seschrock (void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path); 2160573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0); 2161ea8dc4b6Seschrock } else { 2162573ca77eSGeorge Wilson verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); 2163ea8dc4b6Seschrock } 2164ea8dc4b6Seschrock 2165ea8dc4b6Seschrock verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 2166ea8dc4b6Seschrock &nvroot) == 0); 2167ea8dc4b6Seschrock 2168a43d325bSek *avail_spare = B_FALSE; 2169fa94a07fSbrendan *l2cache = B_FALSE; 2170ee0eb9f2SEric Schrock if (log != NULL) 2171ee0eb9f2SEric Schrock *log = B_FALSE; 2172573ca77eSGeorge Wilson ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); 2173573ca77eSGeorge Wilson nvlist_free(search); 2174573ca77eSGeorge Wilson 2175573ca77eSGeorge Wilson return (ret); 2176a43d325bSek } 2177a43d325bSek 217819397407SSherry Moore static int 217919397407SSherry Moore vdev_online(nvlist_t *nv) 218019397407SSherry Moore { 218119397407SSherry Moore uint64_t ival; 218219397407SSherry Moore 218319397407SSherry Moore if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || 218419397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || 218519397407SSherry Moore nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) 218619397407SSherry Moore return (0); 218719397407SSherry Moore 218819397407SSherry Moore return (1); 218919397407SSherry Moore } 219019397407SSherry Moore 219119397407SSherry Moore /* 219221ecdf64SLin Ling * Helper function for zpool_get_physpaths(). 219319397407SSherry Moore */ 2194753a6d45SSherry Moore static int 219521ecdf64SLin Ling vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, 2196753a6d45SSherry Moore size_t *bytes_written) 219719397407SSherry Moore { 2198753a6d45SSherry Moore size_t bytes_left, pos, rsz; 2199753a6d45SSherry Moore char *tmppath; 2200753a6d45SSherry Moore const char *format; 2201753a6d45SSherry Moore 2202753a6d45SSherry Moore if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, 2203753a6d45SSherry Moore &tmppath) != 0) 2204753a6d45SSherry Moore return (EZFS_NODEVICE); 2205753a6d45SSherry Moore 2206753a6d45SSherry Moore pos = *bytes_written; 2207753a6d45SSherry Moore bytes_left = physpath_size - pos; 2208753a6d45SSherry Moore format = (pos == 0) ? "%s" : " %s"; 2209753a6d45SSherry Moore 2210753a6d45SSherry Moore rsz = snprintf(physpath + pos, bytes_left, format, tmppath); 2211753a6d45SSherry Moore *bytes_written += rsz; 2212753a6d45SSherry Moore 2213753a6d45SSherry Moore if (rsz >= bytes_left) { 2214753a6d45SSherry Moore /* if physpath was not copied properly, clear it */ 2215753a6d45SSherry Moore if (bytes_left != 0) { 2216753a6d45SSherry Moore physpath[pos] = 0; 2217753a6d45SSherry Moore } 2218753a6d45SSherry Moore return (EZFS_NOSPC); 2219753a6d45SSherry Moore } 2220753a6d45SSherry Moore return (0); 2221753a6d45SSherry Moore } 2222753a6d45SSherry Moore 222321ecdf64SLin Ling static int 222421ecdf64SLin Ling vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, 222521ecdf64SLin Ling size_t *rsz, boolean_t is_spare) 222621ecdf64SLin Ling { 222721ecdf64SLin Ling char *type; 222821ecdf64SLin Ling int ret; 222921ecdf64SLin Ling 223021ecdf64SLin Ling if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) 223121ecdf64SLin Ling return (EZFS_INVALCONFIG); 223221ecdf64SLin Ling 223321ecdf64SLin Ling if (strcmp(type, VDEV_TYPE_DISK) == 0) { 223421ecdf64SLin Ling /* 223521ecdf64SLin Ling * An active spare device has ZPOOL_CONFIG_IS_SPARE set. 223621ecdf64SLin Ling * For a spare vdev, we only want to boot from the active 223721ecdf64SLin Ling * spare device. 223821ecdf64SLin Ling */ 223921ecdf64SLin Ling if (is_spare) { 224021ecdf64SLin Ling uint64_t spare = 0; 224121ecdf64SLin Ling (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, 224221ecdf64SLin Ling &spare); 224321ecdf64SLin Ling if (!spare) 224421ecdf64SLin Ling return (EZFS_INVALCONFIG); 224521ecdf64SLin Ling } 224621ecdf64SLin Ling 224721ecdf64SLin Ling if (vdev_online(nv)) { 224821ecdf64SLin Ling if ((ret = vdev_get_one_physpath(nv, physpath, 224921ecdf64SLin Ling phypath_size, rsz)) != 0) 225021ecdf64SLin Ling return (ret); 225121ecdf64SLin Ling } 225221ecdf64SLin Ling } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || 225321ecdf64SLin Ling strcmp(type, VDEV_TYPE_REPLACING) == 0 || 225421ecdf64SLin Ling (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { 225521ecdf64SLin Ling nvlist_t **child; 225621ecdf64SLin Ling uint_t count; 225721ecdf64SLin Ling int i, ret; 225821ecdf64SLin Ling 225921ecdf64SLin Ling if (nvlist_lookup_nvlist_array(nv, 226021ecdf64SLin Ling ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) 226121ecdf64SLin Ling return (EZFS_INVALCONFIG); 226221ecdf64SLin Ling 226321ecdf64SLin Ling for (i = 0; i < count; i++) { 226421ecdf64SLin Ling ret = vdev_get_physpaths(child[i], physpath, 226521ecdf64SLin Ling phypath_size, rsz, is_spare); 226621ecdf64SLin Ling if (ret == EZFS_NOSPC) 226721ecdf64SLin Ling return (ret); 226821ecdf64SLin Ling } 226921ecdf64SLin Ling } 227021ecdf64SLin Ling 227121ecdf64SLin Ling return (EZFS_POOL_INVALARG); 227221ecdf64SLin Ling } 227321ecdf64SLin Ling 2274753a6d45SSherry Moore /* 2275753a6d45SSherry Moore * Get phys_path for a root pool config. 2276753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2277753a6d45SSherry Moore */ 2278753a6d45SSherry Moore static int 2279753a6d45SSherry Moore zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) 2280753a6d45SSherry Moore { 2281753a6d45SSherry Moore size_t rsz; 228219397407SSherry Moore nvlist_t *vdev_root; 228319397407SSherry Moore nvlist_t **child; 228419397407SSherry Moore uint_t count; 2285753a6d45SSherry Moore char *type; 2286753a6d45SSherry Moore 2287753a6d45SSherry Moore rsz = 0; 2288753a6d45SSherry Moore 2289753a6d45SSherry Moore if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2290753a6d45SSherry Moore &vdev_root) != 0) 2291753a6d45SSherry Moore return (EZFS_INVALCONFIG); 2292753a6d45SSherry Moore 2293753a6d45SSherry Moore if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || 2294753a6d45SSherry Moore nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, 2295753a6d45SSherry Moore &child, &count) != 0) 2296753a6d45SSherry Moore return (EZFS_INVALCONFIG); 229719397407SSherry Moore 229819397407SSherry Moore /* 2299753a6d45SSherry Moore * root pool can not have EFI labeled disks and can only have 2300753a6d45SSherry Moore * a single top-level vdev. 230119397407SSherry Moore */ 2302753a6d45SSherry Moore if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || 2303753a6d45SSherry Moore pool_uses_efi(vdev_root)) 2304753a6d45SSherry Moore return (EZFS_POOL_INVALARG); 230519397407SSherry Moore 230621ecdf64SLin Ling (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, 230721ecdf64SLin Ling B_FALSE); 230819397407SSherry Moore 2309753a6d45SSherry Moore /* No online devices */ 2310753a6d45SSherry Moore if (rsz == 0) 2311753a6d45SSherry Moore return (EZFS_NODEVICE); 2312753a6d45SSherry Moore 231319397407SSherry Moore return (0); 231419397407SSherry Moore } 231519397407SSherry Moore 2316753a6d45SSherry Moore /* 2317753a6d45SSherry Moore * Get phys_path for a root pool 2318753a6d45SSherry Moore * Return 0 on success; non-zero on failure. 2319753a6d45SSherry Moore */ 2320753a6d45SSherry Moore int 2321753a6d45SSherry Moore zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) 2322753a6d45SSherry Moore { 2323753a6d45SSherry Moore return (zpool_get_config_physpath(zhp->zpool_config, physpath, 2324753a6d45SSherry Moore phypath_size)); 2325753a6d45SSherry Moore } 2326753a6d45SSherry Moore 2327573ca77eSGeorge Wilson /* 2328573ca77eSGeorge Wilson * If the device has being dynamically expanded then we need to relabel 2329573ca77eSGeorge Wilson * the disk to use the new unallocated space. 2330573ca77eSGeorge Wilson */ 2331573ca77eSGeorge Wilson static int 2332573ca77eSGeorge Wilson zpool_relabel_disk(libzfs_handle_t *hdl, const char *name) 2333573ca77eSGeorge Wilson { 2334573ca77eSGeorge Wilson char path[MAXPATHLEN]; 2335573ca77eSGeorge Wilson char errbuf[1024]; 2336573ca77eSGeorge Wilson int fd, error; 2337573ca77eSGeorge Wilson int (*_efi_use_whole_disk)(int); 2338573ca77eSGeorge Wilson 2339573ca77eSGeorge Wilson if ((_efi_use_whole_disk = (int (*)(int))dlsym(RTLD_DEFAULT, 2340573ca77eSGeorge Wilson "efi_use_whole_disk")) == NULL) 2341573ca77eSGeorge Wilson return (-1); 2342573ca77eSGeorge Wilson 2343573ca77eSGeorge Wilson (void) snprintf(path, sizeof (path), "%s/%s", RDISK_ROOT, name); 2344573ca77eSGeorge Wilson 2345573ca77eSGeorge Wilson if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 2346573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2347573ca77eSGeorge Wilson "relabel '%s': unable to open device"), name); 2348573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 2349573ca77eSGeorge Wilson } 2350573ca77eSGeorge Wilson 2351573ca77eSGeorge Wilson /* 2352573ca77eSGeorge Wilson * It's possible that we might encounter an error if the device 2353573ca77eSGeorge Wilson * does not have any unallocated space left. If so, we simply 2354573ca77eSGeorge Wilson * ignore that error and continue on. 2355573ca77eSGeorge Wilson */ 2356573ca77eSGeorge Wilson error = _efi_use_whole_disk(fd); 2357573ca77eSGeorge Wilson (void) close(fd); 2358573ca77eSGeorge Wilson if (error && error != VT_ENOSPC) { 2359573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " 2360573ca77eSGeorge Wilson "relabel '%s': unable to read disk capacity"), name); 2361573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 2362573ca77eSGeorge Wilson } 2363573ca77eSGeorge Wilson return (0); 2364573ca77eSGeorge Wilson } 2365573ca77eSGeorge Wilson 2366fa9e4066Sahrens /* 23673d7072f8Seschrock * Bring the specified vdev online. The 'flags' parameter is a set of the 23683d7072f8Seschrock * ZFS_ONLINE_* flags. 2369fa9e4066Sahrens */ 2370fa9e4066Sahrens int 23713d7072f8Seschrock zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, 23723d7072f8Seschrock vdev_state_t *newstate) 2373fa9e4066Sahrens { 2374fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2375fa9e4066Sahrens char msg[1024]; 237699653d4eSeschrock nvlist_t *tgt; 2377573ca77eSGeorge Wilson boolean_t avail_spare, l2cache, islog; 237899653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2379fa9e4066Sahrens 2380573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND) { 2381573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2382573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot expand %s"), path); 2383573ca77eSGeorge Wilson } else { 2384573ca77eSGeorge Wilson (void) snprintf(msg, sizeof (msg), 2385573ca77eSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot online %s"), path); 2386573ca77eSGeorge Wilson } 2387ea8dc4b6Seschrock 2388fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2389ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2390573ca77eSGeorge Wilson &islog)) == NULL) 239199653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2392fa9e4066Sahrens 239399653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2394fa9e4066Sahrens 2395069f55e2SEric Schrock if (avail_spare) 2396a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2397a43d325bSek 2398573ca77eSGeorge Wilson if (flags & ZFS_ONLINE_EXPAND || 2399573ca77eSGeorge Wilson zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { 2400573ca77eSGeorge Wilson char *pathname = NULL; 2401573ca77eSGeorge Wilson uint64_t wholedisk = 0; 2402573ca77eSGeorge Wilson 2403573ca77eSGeorge Wilson (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, 2404573ca77eSGeorge Wilson &wholedisk); 2405573ca77eSGeorge Wilson verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, 2406573ca77eSGeorge Wilson &pathname) == 0); 2407573ca77eSGeorge Wilson 2408573ca77eSGeorge Wilson /* 2409573ca77eSGeorge Wilson * XXX - L2ARC 1.0 devices can't support expansion. 2410573ca77eSGeorge Wilson */ 2411573ca77eSGeorge Wilson if (l2cache) { 2412573ca77eSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2413573ca77eSGeorge Wilson "cannot expand cache devices")); 2414573ca77eSGeorge Wilson return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); 2415573ca77eSGeorge Wilson } 2416573ca77eSGeorge Wilson 2417573ca77eSGeorge Wilson if (wholedisk) { 2418573ca77eSGeorge Wilson pathname += strlen(DISK_ROOT) + 1; 2419cb04b873SMark J Musante (void) zpool_relabel_disk(hdl, pathname); 2420573ca77eSGeorge Wilson } 2421573ca77eSGeorge Wilson } 2422573ca77eSGeorge Wilson 24233d7072f8Seschrock zc.zc_cookie = VDEV_STATE_ONLINE; 24243d7072f8Seschrock zc.zc_obj = flags; 2425fa9e4066Sahrens 2426cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { 24271195e687SMark J Musante if (errno == EINVAL) { 24281195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " 24291195e687SMark J Musante "from this pool into a new one. Use '%s' " 24301195e687SMark J Musante "instead"), "zpool detach"); 24311195e687SMark J Musante return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); 24321195e687SMark J Musante } 24333d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 24341195e687SMark J Musante } 24353d7072f8Seschrock 24363d7072f8Seschrock *newstate = zc.zc_cookie; 24373d7072f8Seschrock return (0); 2438fa9e4066Sahrens } 2439fa9e4066Sahrens 2440fa9e4066Sahrens /* 2441fa9e4066Sahrens * Take the specified vdev offline 2442fa9e4066Sahrens */ 2443fa9e4066Sahrens int 24443d7072f8Seschrock zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) 2445fa9e4066Sahrens { 2446fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2447fa9e4066Sahrens char msg[1024]; 244899653d4eSeschrock nvlist_t *tgt; 2449fa94a07fSbrendan boolean_t avail_spare, l2cache; 245099653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2451fa9e4066Sahrens 2452ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2453ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot offline %s"), path); 2454ea8dc4b6Seschrock 2455fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2456ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2457ee0eb9f2SEric Schrock NULL)) == NULL) 245899653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 245999653d4eSeschrock 246099653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2461fa9e4066Sahrens 2462069f55e2SEric Schrock if (avail_spare) 2463a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 2464a43d325bSek 24653d7072f8Seschrock zc.zc_cookie = VDEV_STATE_OFFLINE; 24663d7072f8Seschrock zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; 24673d7072f8Seschrock 2468cb04b873SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 24693d7072f8Seschrock return (0); 24703d7072f8Seschrock 24713d7072f8Seschrock switch (errno) { 24723d7072f8Seschrock case EBUSY: 24733d7072f8Seschrock 24743d7072f8Seschrock /* 24753d7072f8Seschrock * There are no other replicas of this device. 24763d7072f8Seschrock */ 24773d7072f8Seschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 24783d7072f8Seschrock 2479e6ca193dSGeorge Wilson case EEXIST: 2480e6ca193dSGeorge Wilson /* 2481e6ca193dSGeorge Wilson * The log device has unplayed logs 2482e6ca193dSGeorge Wilson */ 2483e6ca193dSGeorge Wilson return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); 2484e6ca193dSGeorge Wilson 24853d7072f8Seschrock default: 24863d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 24873d7072f8Seschrock } 24883d7072f8Seschrock } 24893d7072f8Seschrock 24903d7072f8Seschrock /* 24913d7072f8Seschrock * Mark the given vdev faulted. 24923d7072f8Seschrock */ 24933d7072f8Seschrock int 2494069f55e2SEric Schrock zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 24953d7072f8Seschrock { 24963d7072f8Seschrock zfs_cmd_t zc = { 0 }; 24973d7072f8Seschrock char msg[1024]; 24983d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 24993d7072f8Seschrock 25003d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 25013d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot fault %llu"), guid); 2502441d80aaSlling 25033d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 25043d7072f8Seschrock zc.zc_guid = guid; 25053d7072f8Seschrock zc.zc_cookie = VDEV_STATE_FAULTED; 2506069f55e2SEric Schrock zc.zc_obj = aux; 25073d7072f8Seschrock 2508cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 2509fa9e4066Sahrens return (0); 2510fa9e4066Sahrens 2511fa9e4066Sahrens switch (errno) { 251299653d4eSeschrock case EBUSY: 2513fa9e4066Sahrens 2514fa9e4066Sahrens /* 2515fa9e4066Sahrens * There are no other replicas of this device. 2516fa9e4066Sahrens */ 251799653d4eSeschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 2518fa9e4066Sahrens 251999653d4eSeschrock default: 252099653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 2521fa9e4066Sahrens } 25223d7072f8Seschrock 25233d7072f8Seschrock } 25243d7072f8Seschrock 25253d7072f8Seschrock /* 25263d7072f8Seschrock * Mark the given vdev degraded. 25273d7072f8Seschrock */ 25283d7072f8Seschrock int 2529069f55e2SEric Schrock zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) 25303d7072f8Seschrock { 25313d7072f8Seschrock zfs_cmd_t zc = { 0 }; 25323d7072f8Seschrock char msg[1024]; 25333d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 25343d7072f8Seschrock 25353d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 25363d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot degrade %llu"), guid); 25373d7072f8Seschrock 25383d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 25393d7072f8Seschrock zc.zc_guid = guid; 25403d7072f8Seschrock zc.zc_cookie = VDEV_STATE_DEGRADED; 2541069f55e2SEric Schrock zc.zc_obj = aux; 25423d7072f8Seschrock 2543cb04b873SMark J Musante if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 25443d7072f8Seschrock return (0); 25453d7072f8Seschrock 25463d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 254799653d4eSeschrock } 254899653d4eSeschrock 254999653d4eSeschrock /* 255099653d4eSeschrock * Returns TRUE if the given nvlist is a vdev that was originally swapped in as 255199653d4eSeschrock * a hot spare. 255299653d4eSeschrock */ 255399653d4eSeschrock static boolean_t 255499653d4eSeschrock is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) 255599653d4eSeschrock { 255699653d4eSeschrock nvlist_t **child; 255799653d4eSeschrock uint_t c, children; 255899653d4eSeschrock char *type; 255999653d4eSeschrock 256099653d4eSeschrock if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, 256199653d4eSeschrock &children) == 0) { 256299653d4eSeschrock verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, 256399653d4eSeschrock &type) == 0); 256499653d4eSeschrock 256599653d4eSeschrock if (strcmp(type, VDEV_TYPE_SPARE) == 0 && 256699653d4eSeschrock children == 2 && child[which] == tgt) 256799653d4eSeschrock return (B_TRUE); 256899653d4eSeschrock 256999653d4eSeschrock for (c = 0; c < children; c++) 257099653d4eSeschrock if (is_replacing_spare(child[c], tgt, which)) 257199653d4eSeschrock return (B_TRUE); 257299653d4eSeschrock } 257399653d4eSeschrock 257499653d4eSeschrock return (B_FALSE); 2575fa9e4066Sahrens } 2576fa9e4066Sahrens 2577fa9e4066Sahrens /* 2578fa9e4066Sahrens * Attach new_disk (fully described by nvroot) to old_disk. 25798654d025Sperrin * If 'replacing' is specified, the new disk will replace the old one. 2580fa9e4066Sahrens */ 2581fa9e4066Sahrens int 2582fa9e4066Sahrens zpool_vdev_attach(zpool_handle_t *zhp, 2583fa9e4066Sahrens const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) 2584fa9e4066Sahrens { 2585fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2586fa9e4066Sahrens char msg[1024]; 2587fa9e4066Sahrens int ret; 258899653d4eSeschrock nvlist_t *tgt; 2589ee0eb9f2SEric Schrock boolean_t avail_spare, l2cache, islog; 2590ee0eb9f2SEric Schrock uint64_t val; 2591cb04b873SMark J Musante char *newname; 259299653d4eSeschrock nvlist_t **child; 259399653d4eSeschrock uint_t children; 259499653d4eSeschrock nvlist_t *config_root; 259599653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 25964263d13fSGeorge Wilson boolean_t rootpool = zpool_is_bootable(zhp); 2597fa9e4066Sahrens 2598ea8dc4b6Seschrock if (replacing) 2599ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2600ea8dc4b6Seschrock "cannot replace %s with %s"), old_disk, new_disk); 2601ea8dc4b6Seschrock else 2602ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 2603ea8dc4b6Seschrock "cannot attach %s to %s"), new_disk, old_disk); 2604ea8dc4b6Seschrock 2605b5b76fecSGeorge Wilson /* 2606b5b76fecSGeorge Wilson * If this is a root pool, make sure that we're not attaching an 2607b5b76fecSGeorge Wilson * EFI labeled device. 2608b5b76fecSGeorge Wilson */ 2609b5b76fecSGeorge Wilson if (rootpool && pool_uses_efi(nvroot)) { 2610b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2611b5b76fecSGeorge Wilson "EFI labeled devices are not supported on root pools.")); 2612b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); 2613b5b76fecSGeorge Wilson } 2614b5b76fecSGeorge Wilson 2615fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2616ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, 2617ee0eb9f2SEric Schrock &islog)) == 0) 261899653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 261999653d4eSeschrock 2620a43d325bSek if (avail_spare) 262199653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 262299653d4eSeschrock 2623fa94a07fSbrendan if (l2cache) 2624fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2625fa94a07fSbrendan 262699653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 2627fa9e4066Sahrens zc.zc_cookie = replacing; 2628fa9e4066Sahrens 262999653d4eSeschrock if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 263099653d4eSeschrock &child, &children) != 0 || children != 1) { 263199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 263299653d4eSeschrock "new device must be a single disk")); 263399653d4eSeschrock return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); 263499653d4eSeschrock } 263599653d4eSeschrock 263699653d4eSeschrock verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 263799653d4eSeschrock ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); 263899653d4eSeschrock 263988ecc943SGeorge Wilson if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) 26400430f8daSeschrock return (-1); 26410430f8daSeschrock 264299653d4eSeschrock /* 264399653d4eSeschrock * If the target is a hot spare that has been swapped in, we can only 264499653d4eSeschrock * replace it with another hot spare. 264599653d4eSeschrock */ 264699653d4eSeschrock if (replacing && 264799653d4eSeschrock nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && 2648ee0eb9f2SEric Schrock (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, 2649ee0eb9f2SEric Schrock NULL) == NULL || !avail_spare) && 2650ee0eb9f2SEric Schrock is_replacing_spare(config_root, tgt, 1)) { 265199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 265299653d4eSeschrock "can only be replaced by another hot spare")); 26530430f8daSeschrock free(newname); 265499653d4eSeschrock return (zfs_error(hdl, EZFS_BADTARGET, msg)); 265599653d4eSeschrock } 265699653d4eSeschrock 26570430f8daSeschrock free(newname); 26580430f8daSeschrock 2659990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 266099653d4eSeschrock return (-1); 2661fa9e4066Sahrens 2662cb04b873SMark J Musante ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); 2663fa9e4066Sahrens 2664e9dbad6fSeschrock zcmd_free_nvlists(&zc); 2665fa9e4066Sahrens 2666b5b76fecSGeorge Wilson if (ret == 0) { 2667b5b76fecSGeorge Wilson if (rootpool) { 266821ecdf64SLin Ling /* 266921ecdf64SLin Ling * XXX need a better way to prevent user from 267021ecdf64SLin Ling * booting up a half-baked vdev. 267121ecdf64SLin Ling */ 267221ecdf64SLin Ling (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " 267321ecdf64SLin Ling "sure to wait until resilver is done " 267421ecdf64SLin Ling "before rebooting.\n")); 2675b5b76fecSGeorge Wilson } 2676fa9e4066Sahrens return (0); 2677b5b76fecSGeorge Wilson } 2678fa9e4066Sahrens 2679fa9e4066Sahrens switch (errno) { 2680ea8dc4b6Seschrock case ENOTSUP: 2681fa9e4066Sahrens /* 2682fa9e4066Sahrens * Can't attach to or replace this type of vdev. 2683fa9e4066Sahrens */ 26848654d025Sperrin if (replacing) { 2685cb04b873SMark J Musante uint64_t version = zpool_get_prop_int(zhp, 2686cb04b873SMark J Musante ZPOOL_PROP_VERSION, NULL); 2687cb04b873SMark J Musante 2688ee0eb9f2SEric Schrock if (islog) 26898654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 26908654d025Sperrin "cannot replace a log with a spare")); 2691cb04b873SMark J Musante else if (version >= SPA_VERSION_MULTI_REPLACE) 2692cb04b873SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2693cb04b873SMark J Musante "already in replacing/spare config; wait " 2694cb04b873SMark J Musante "for completion or use 'zpool detach'")); 26958654d025Sperrin else 26968654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 26978654d025Sperrin "cannot replace a replacing device")); 26988654d025Sperrin } else { 269999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 270099653d4eSeschrock "can only attach to mirrors and top-level " 270199653d4eSeschrock "disks")); 27028654d025Sperrin } 270399653d4eSeschrock (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2704fa9e4066Sahrens break; 2705fa9e4066Sahrens 2706ea8dc4b6Seschrock case EINVAL: 2707fa9e4066Sahrens /* 2708fa9e4066Sahrens * The new device must be a single disk. 2709fa9e4066Sahrens */ 271099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 271199653d4eSeschrock "new device must be a single disk")); 271299653d4eSeschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); 2713fa9e4066Sahrens break; 2714fa9e4066Sahrens 2715ea8dc4b6Seschrock case EBUSY: 271699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), 271799653d4eSeschrock new_disk); 271899653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2719fa9e4066Sahrens break; 2720fa9e4066Sahrens 2721ea8dc4b6Seschrock case EOVERFLOW: 2722fa9e4066Sahrens /* 2723fa9e4066Sahrens * The new device is too small. 2724fa9e4066Sahrens */ 272599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 272699653d4eSeschrock "device is too small")); 272799653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2728fa9e4066Sahrens break; 2729fa9e4066Sahrens 2730ea8dc4b6Seschrock case EDOM: 2731fa9e4066Sahrens /* 2732fa9e4066Sahrens * The new device has a different alignment requirement. 2733fa9e4066Sahrens */ 273499653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 273599653d4eSeschrock "devices have different sector alignment")); 273699653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 2737fa9e4066Sahrens break; 2738fa9e4066Sahrens 2739ea8dc4b6Seschrock case ENAMETOOLONG: 2740fa9e4066Sahrens /* 2741fa9e4066Sahrens * The resulting top-level vdev spec won't fit in the label. 2742fa9e4066Sahrens */ 274399653d4eSeschrock (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); 2744fa9e4066Sahrens break; 2745fa9e4066Sahrens 2746ea8dc4b6Seschrock default: 274799653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2748fa9e4066Sahrens } 2749fa9e4066Sahrens 275099653d4eSeschrock return (-1); 2751fa9e4066Sahrens } 2752fa9e4066Sahrens 2753fa9e4066Sahrens /* 2754fa9e4066Sahrens * Detach the specified device. 2755fa9e4066Sahrens */ 2756fa9e4066Sahrens int 2757fa9e4066Sahrens zpool_vdev_detach(zpool_handle_t *zhp, const char *path) 2758fa9e4066Sahrens { 2759fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 2760fa9e4066Sahrens char msg[1024]; 276199653d4eSeschrock nvlist_t *tgt; 2762fa94a07fSbrendan boolean_t avail_spare, l2cache; 276399653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2764fa9e4066Sahrens 2765ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 2766ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot detach %s"), path); 2767ea8dc4b6Seschrock 2768fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2769ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 2770ee0eb9f2SEric Schrock NULL)) == 0) 277199653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 2772fa9e4066Sahrens 2773a43d325bSek if (avail_spare) 277499653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 277599653d4eSeschrock 2776fa94a07fSbrendan if (l2cache) 2777fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 2778fa94a07fSbrendan 277999653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 278099653d4eSeschrock 2781ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) 2782fa9e4066Sahrens return (0); 2783fa9e4066Sahrens 2784fa9e4066Sahrens switch (errno) { 2785fa9e4066Sahrens 2786ea8dc4b6Seschrock case ENOTSUP: 2787fa9e4066Sahrens /* 2788fa9e4066Sahrens * Can't detach from this type of vdev. 2789fa9e4066Sahrens */ 279099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " 279199653d4eSeschrock "applicable to mirror and replacing vdevs")); 2792cb04b873SMark J Musante (void) zfs_error(hdl, EZFS_BADTARGET, msg); 2793fa9e4066Sahrens break; 2794fa9e4066Sahrens 2795ea8dc4b6Seschrock case EBUSY: 2796fa9e4066Sahrens /* 2797fa9e4066Sahrens * There are no other replicas of this device. 2798fa9e4066Sahrens */ 279999653d4eSeschrock (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); 2800fa9e4066Sahrens break; 2801fa9e4066Sahrens 2802ea8dc4b6Seschrock default: 280399653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 2804ea8dc4b6Seschrock } 2805ea8dc4b6Seschrock 280699653d4eSeschrock return (-1); 280799653d4eSeschrock } 280899653d4eSeschrock 28091195e687SMark J Musante /* 28101195e687SMark J Musante * Find a mirror vdev in the source nvlist. 28111195e687SMark J Musante * 28121195e687SMark J Musante * The mchild array contains a list of disks in one of the top-level mirrors 28131195e687SMark J Musante * of the source pool. The schild array contains a list of disks that the 28141195e687SMark J Musante * user specified on the command line. We loop over the mchild array to 28151195e687SMark J Musante * see if any entry in the schild array matches. 28161195e687SMark J Musante * 28171195e687SMark J Musante * If a disk in the mchild array is found in the schild array, we return 28181195e687SMark J Musante * the index of that entry. Otherwise we return -1. 28191195e687SMark J Musante */ 28201195e687SMark J Musante static int 28211195e687SMark J Musante find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, 28221195e687SMark J Musante nvlist_t **schild, uint_t schildren) 28231195e687SMark J Musante { 28241195e687SMark J Musante uint_t mc; 28251195e687SMark J Musante 28261195e687SMark J Musante for (mc = 0; mc < mchildren; mc++) { 28271195e687SMark J Musante uint_t sc; 28281195e687SMark J Musante char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, 28291195e687SMark J Musante mchild[mc], B_FALSE); 28301195e687SMark J Musante 28311195e687SMark J Musante for (sc = 0; sc < schildren; sc++) { 28321195e687SMark J Musante char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, 28331195e687SMark J Musante schild[sc], B_FALSE); 28341195e687SMark J Musante boolean_t result = (strcmp(mpath, spath) == 0); 28351195e687SMark J Musante 28361195e687SMark J Musante free(spath); 28371195e687SMark J Musante if (result) { 28381195e687SMark J Musante free(mpath); 28391195e687SMark J Musante return (mc); 28401195e687SMark J Musante } 28411195e687SMark J Musante } 28421195e687SMark J Musante 28431195e687SMark J Musante free(mpath); 28441195e687SMark J Musante } 28451195e687SMark J Musante 28461195e687SMark J Musante return (-1); 28471195e687SMark J Musante } 28481195e687SMark J Musante 28491195e687SMark J Musante /* 28501195e687SMark J Musante * Split a mirror pool. If newroot points to null, then a new nvlist 28511195e687SMark J Musante * is generated and it is the responsibility of the caller to free it. 28521195e687SMark J Musante */ 28531195e687SMark J Musante int 28541195e687SMark J Musante zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, 28551195e687SMark J Musante nvlist_t *props, splitflags_t flags) 28561195e687SMark J Musante { 28571195e687SMark J Musante zfs_cmd_t zc = { 0 }; 28581195e687SMark J Musante char msg[1024]; 28591195e687SMark J Musante nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; 28601195e687SMark J Musante nvlist_t **varray = NULL, *zc_props = NULL; 28611195e687SMark J Musante uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; 28621195e687SMark J Musante libzfs_handle_t *hdl = zhp->zpool_hdl; 28631195e687SMark J Musante uint64_t vers; 28641195e687SMark J Musante boolean_t freelist = B_FALSE, memory_err = B_TRUE; 28651195e687SMark J Musante int retval = 0; 28661195e687SMark J Musante 28671195e687SMark J Musante (void) snprintf(msg, sizeof (msg), 28681195e687SMark J Musante dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); 28691195e687SMark J Musante 28701195e687SMark J Musante if (!zpool_name_valid(hdl, B_FALSE, newname)) 28711195e687SMark J Musante return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 28721195e687SMark J Musante 28731195e687SMark J Musante if ((config = zpool_get_config(zhp, NULL)) == NULL) { 28741195e687SMark J Musante (void) fprintf(stderr, gettext("Internal error: unable to " 28751195e687SMark J Musante "retrieve pool configuration\n")); 28761195e687SMark J Musante return (-1); 28771195e687SMark J Musante } 28781195e687SMark J Musante 28791195e687SMark J Musante verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) 28801195e687SMark J Musante == 0); 28811195e687SMark J Musante verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); 28821195e687SMark J Musante 28831195e687SMark J Musante if (props) { 2884f9af39baSGeorge Wilson prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; 28851195e687SMark J Musante if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, 2886f9af39baSGeorge Wilson props, vers, flags, msg)) == NULL) 28871195e687SMark J Musante return (-1); 28881195e687SMark J Musante } 28891195e687SMark J Musante 28901195e687SMark J Musante if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 28911195e687SMark J Musante &children) != 0) { 28921195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 28931195e687SMark J Musante "Source pool is missing vdev tree")); 28941195e687SMark J Musante if (zc_props) 28951195e687SMark J Musante nvlist_free(zc_props); 28961195e687SMark J Musante return (-1); 28971195e687SMark J Musante } 28981195e687SMark J Musante 28991195e687SMark J Musante varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); 29001195e687SMark J Musante vcount = 0; 29011195e687SMark J Musante 29021195e687SMark J Musante if (*newroot == NULL || 29031195e687SMark J Musante nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, 29041195e687SMark J Musante &newchild, &newchildren) != 0) 29051195e687SMark J Musante newchildren = 0; 29061195e687SMark J Musante 29071195e687SMark J Musante for (c = 0; c < children; c++) { 29081195e687SMark J Musante uint64_t is_log = B_FALSE, is_hole = B_FALSE; 29091195e687SMark J Musante char *type; 29101195e687SMark J Musante nvlist_t **mchild, *vdev; 29111195e687SMark J Musante uint_t mchildren; 29121195e687SMark J Musante int entry; 29131195e687SMark J Musante 29141195e687SMark J Musante /* 29151195e687SMark J Musante * Unlike cache & spares, slogs are stored in the 29161195e687SMark J Musante * ZPOOL_CONFIG_CHILDREN array. We filter them out here. 29171195e687SMark J Musante */ 29181195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 29191195e687SMark J Musante &is_log); 29201195e687SMark J Musante (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 29211195e687SMark J Musante &is_hole); 29221195e687SMark J Musante if (is_log || is_hole) { 29231195e687SMark J Musante /* 29241195e687SMark J Musante * Create a hole vdev and put it in the config. 29251195e687SMark J Musante */ 29261195e687SMark J Musante if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) 29271195e687SMark J Musante goto out; 29281195e687SMark J Musante if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, 29291195e687SMark J Musante VDEV_TYPE_HOLE) != 0) 29301195e687SMark J Musante goto out; 29311195e687SMark J Musante if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, 29321195e687SMark J Musante 1) != 0) 29331195e687SMark J Musante goto out; 29341195e687SMark J Musante if (lastlog == 0) 29351195e687SMark J Musante lastlog = vcount; 29361195e687SMark J Musante varray[vcount++] = vdev; 29371195e687SMark J Musante continue; 29381195e687SMark J Musante } 29391195e687SMark J Musante lastlog = 0; 29401195e687SMark J Musante verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) 29411195e687SMark J Musante == 0); 29421195e687SMark J Musante if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { 29431195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 29441195e687SMark J Musante "Source pool must be composed only of mirrors\n")); 29451195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 29461195e687SMark J Musante goto out; 29471195e687SMark J Musante } 29481195e687SMark J Musante 29491195e687SMark J Musante verify(nvlist_lookup_nvlist_array(child[c], 29501195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 29511195e687SMark J Musante 29521195e687SMark J Musante /* find or add an entry for this top-level vdev */ 29531195e687SMark J Musante if (newchildren > 0 && 29541195e687SMark J Musante (entry = find_vdev_entry(zhp, mchild, mchildren, 29551195e687SMark J Musante newchild, newchildren)) >= 0) { 29561195e687SMark J Musante /* We found a disk that the user specified. */ 29571195e687SMark J Musante vdev = mchild[entry]; 29581195e687SMark J Musante ++found; 29591195e687SMark J Musante } else { 29601195e687SMark J Musante /* User didn't specify a disk for this vdev. */ 29611195e687SMark J Musante vdev = mchild[mchildren - 1]; 29621195e687SMark J Musante } 29631195e687SMark J Musante 29641195e687SMark J Musante if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) 29651195e687SMark J Musante goto out; 29661195e687SMark J Musante } 29671195e687SMark J Musante 29681195e687SMark J Musante /* did we find every disk the user specified? */ 29691195e687SMark J Musante if (found != newchildren) { 29701195e687SMark J Musante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " 29711195e687SMark J Musante "include at most one disk from each mirror")); 29721195e687SMark J Musante retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); 29731195e687SMark J Musante goto out; 29741195e687SMark J Musante } 29751195e687SMark J Musante 29761195e687SMark J Musante /* Prepare the nvlist for populating. */ 29771195e687SMark J Musante if (*newroot == NULL) { 29781195e687SMark J Musante if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) 29791195e687SMark J Musante goto out; 29801195e687SMark J Musante freelist = B_TRUE; 29811195e687SMark J Musante if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, 29821195e687SMark J Musante VDEV_TYPE_ROOT) != 0) 29831195e687SMark J Musante goto out; 29841195e687SMark J Musante } else { 29851195e687SMark J Musante verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); 29861195e687SMark J Musante } 29871195e687SMark J Musante 29881195e687SMark J Musante /* Add all the children we found */ 29891195e687SMark J Musante if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, 29901195e687SMark J Musante lastlog == 0 ? vcount : lastlog) != 0) 29911195e687SMark J Musante goto out; 29921195e687SMark J Musante 29931195e687SMark J Musante /* 29941195e687SMark J Musante * If we're just doing a dry run, exit now with success. 29951195e687SMark J Musante */ 29961195e687SMark J Musante if (flags.dryrun) { 29971195e687SMark J Musante memory_err = B_FALSE; 29981195e687SMark J Musante freelist = B_FALSE; 29991195e687SMark J Musante goto out; 30001195e687SMark J Musante } 30011195e687SMark J Musante 30021195e687SMark J Musante /* now build up the config list & call the ioctl */ 30031195e687SMark J Musante if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) 30041195e687SMark J Musante goto out; 30051195e687SMark J Musante 30061195e687SMark J Musante if (nvlist_add_nvlist(newconfig, 30071195e687SMark J Musante ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || 30081195e687SMark J Musante nvlist_add_string(newconfig, 30091195e687SMark J Musante ZPOOL_CONFIG_POOL_NAME, newname) != 0 || 30101195e687SMark J Musante nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) 30111195e687SMark J Musante goto out; 30121195e687SMark J Musante 30131195e687SMark J Musante /* 30141195e687SMark J Musante * The new pool is automatically part of the namespace unless we 30151195e687SMark J Musante * explicitly export it. 30161195e687SMark J Musante */ 30171195e687SMark J Musante if (!flags.import) 30181195e687SMark J Musante zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; 30191195e687SMark J Musante (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 30201195e687SMark J Musante (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); 30211195e687SMark J Musante if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) 30221195e687SMark J Musante goto out; 30231195e687SMark J Musante if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 30241195e687SMark J Musante goto out; 30251195e687SMark J Musante 30261195e687SMark J Musante if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { 30271195e687SMark J Musante retval = zpool_standard_error(hdl, errno, msg); 30281195e687SMark J Musante goto out; 30291195e687SMark J Musante } 30301195e687SMark J Musante 30311195e687SMark J Musante freelist = B_FALSE; 30321195e687SMark J Musante memory_err = B_FALSE; 30331195e687SMark J Musante 30341195e687SMark J Musante out: 30351195e687SMark J Musante if (varray != NULL) { 30361195e687SMark J Musante int v; 30371195e687SMark J Musante 30381195e687SMark J Musante for (v = 0; v < vcount; v++) 30391195e687SMark J Musante nvlist_free(varray[v]); 30401195e687SMark J Musante free(varray); 30411195e687SMark J Musante } 30421195e687SMark J Musante zcmd_free_nvlists(&zc); 30431195e687SMark J Musante if (zc_props) 30441195e687SMark J Musante nvlist_free(zc_props); 30451195e687SMark J Musante if (newconfig) 30461195e687SMark J Musante nvlist_free(newconfig); 30471195e687SMark J Musante if (freelist) { 30481195e687SMark J Musante nvlist_free(*newroot); 30491195e687SMark J Musante *newroot = NULL; 30501195e687SMark J Musante } 30511195e687SMark J Musante 30521195e687SMark J Musante if (retval != 0) 30531195e687SMark J Musante return (retval); 30541195e687SMark J Musante 30551195e687SMark J Musante if (memory_err) 30561195e687SMark J Musante return (no_memory(hdl)); 30571195e687SMark J Musante 30581195e687SMark J Musante return (0); 30591195e687SMark J Musante } 30601195e687SMark J Musante 306199653d4eSeschrock /* 3062fa94a07fSbrendan * Remove the given device. Currently, this is supported only for hot spares 3063fa94a07fSbrendan * and level 2 cache devices. 306499653d4eSeschrock */ 306599653d4eSeschrock int 306699653d4eSeschrock zpool_vdev_remove(zpool_handle_t *zhp, const char *path) 306799653d4eSeschrock { 306899653d4eSeschrock zfs_cmd_t zc = { 0 }; 306999653d4eSeschrock char msg[1024]; 307099653d4eSeschrock nvlist_t *tgt; 307188ecc943SGeorge Wilson boolean_t avail_spare, l2cache, islog; 307299653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 307388ecc943SGeorge Wilson uint64_t version; 307499653d4eSeschrock 307599653d4eSeschrock (void) snprintf(msg, sizeof (msg), 307699653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot remove %s"), path); 307799653d4eSeschrock 307899653d4eSeschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3079ee0eb9f2SEric Schrock if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, 308088ecc943SGeorge Wilson &islog)) == 0) 308199653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 308288ecc943SGeorge Wilson /* 308388ecc943SGeorge Wilson * XXX - this should just go away. 308488ecc943SGeorge Wilson */ 308588ecc943SGeorge Wilson if (!avail_spare && !l2cache && !islog) { 308699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 308788ecc943SGeorge Wilson "only inactive hot spares, cache, top-level, " 308888ecc943SGeorge Wilson "or log devices can be removed")); 308999653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 309099653d4eSeschrock } 309199653d4eSeschrock 309288ecc943SGeorge Wilson version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 309388ecc943SGeorge Wilson if (islog && version < SPA_VERSION_HOLES) { 309488ecc943SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 309588ecc943SGeorge Wilson "pool must be upgrade to support log removal")); 309688ecc943SGeorge Wilson return (zfs_error(hdl, EZFS_BADVERSION, msg)); 309788ecc943SGeorge Wilson } 309888ecc943SGeorge Wilson 309999653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 310099653d4eSeschrock 3101ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) 310299653d4eSeschrock return (0); 310399653d4eSeschrock 310499653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 3105ea8dc4b6Seschrock } 3106ea8dc4b6Seschrock 3107ea8dc4b6Seschrock /* 3108ea8dc4b6Seschrock * Clear the errors for the pool, or the particular device if specified. 3109ea8dc4b6Seschrock */ 3110ea8dc4b6Seschrock int 3111468c413aSTim Haley zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) 3112ea8dc4b6Seschrock { 3113ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3114ea8dc4b6Seschrock char msg[1024]; 311599653d4eSeschrock nvlist_t *tgt; 3116468c413aSTim Haley zpool_rewind_policy_t policy; 3117fa94a07fSbrendan boolean_t avail_spare, l2cache; 311899653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3119468c413aSTim Haley nvlist_t *nvi = NULL; 31204b964adaSGeorge Wilson int error; 3121ea8dc4b6Seschrock 3122ea8dc4b6Seschrock if (path) 3123ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 3124ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 3125e9dbad6fSeschrock path); 3126ea8dc4b6Seschrock else 3127ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 3128ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 3129ea8dc4b6Seschrock zhp->zpool_name); 3130ea8dc4b6Seschrock 3131ea8dc4b6Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 313299653d4eSeschrock if (path) { 3133fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, 3134ee0eb9f2SEric Schrock &l2cache, NULL)) == 0) 313599653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 3136ea8dc4b6Seschrock 3137fa94a07fSbrendan /* 3138fa94a07fSbrendan * Don't allow error clearing for hot spares. Do allow 3139fa94a07fSbrendan * error clearing for l2cache devices. 3140fa94a07fSbrendan */ 3141a43d325bSek if (avail_spare) 314299653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 3143ea8dc4b6Seschrock 314499653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 314599653d4eSeschrock &zc.zc_guid) == 0); 3146fa9e4066Sahrens } 3147fa9e4066Sahrens 3148468c413aSTim Haley zpool_get_rewind_policy(rewindnvl, &policy); 3149468c413aSTim Haley zc.zc_cookie = policy.zrp_request; 3150468c413aSTim Haley 315157f304caSGeorge Wilson if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) 3152468c413aSTim Haley return (-1); 3153468c413aSTim Haley 3154cb04b873SMark J Musante if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) 3155468c413aSTim Haley return (-1); 3156468c413aSTim Haley 31574b964adaSGeorge Wilson while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && 31584b964adaSGeorge Wilson errno == ENOMEM) { 31594b964adaSGeorge Wilson if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 31604b964adaSGeorge Wilson zcmd_free_nvlists(&zc); 31614b964adaSGeorge Wilson return (-1); 31624b964adaSGeorge Wilson } 31634b964adaSGeorge Wilson } 31644b964adaSGeorge Wilson 31654b964adaSGeorge Wilson if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && 3166468c413aSTim Haley errno != EPERM && errno != EACCES)) { 3167468c413aSTim Haley if (policy.zrp_request & 3168468c413aSTim Haley (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { 3169468c413aSTim Haley (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); 3170468c413aSTim Haley zpool_rewind_exclaim(hdl, zc.zc_name, 3171468c413aSTim Haley ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), 3172468c413aSTim Haley nvi); 3173468c413aSTim Haley nvlist_free(nvi); 3174468c413aSTim Haley } 3175468c413aSTim Haley zcmd_free_nvlists(&zc); 317699653d4eSeschrock return (0); 3177468c413aSTim Haley } 317899653d4eSeschrock 3179468c413aSTim Haley zcmd_free_nvlists(&zc); 318099653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 3181fa9e4066Sahrens } 3182fa9e4066Sahrens 31833d7072f8Seschrock /* 31843d7072f8Seschrock * Similar to zpool_clear(), but takes a GUID (used by fmd). 31853d7072f8Seschrock */ 31863d7072f8Seschrock int 31873d7072f8Seschrock zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) 31883d7072f8Seschrock { 31893d7072f8Seschrock zfs_cmd_t zc = { 0 }; 31903d7072f8Seschrock char msg[1024]; 31913d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 31923d7072f8Seschrock 31933d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 31943d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), 31953d7072f8Seschrock guid); 31963d7072f8Seschrock 31973d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 31983d7072f8Seschrock zc.zc_guid = guid; 319914f8ce41SVictor Latushkin zc.zc_cookie = ZPOOL_NO_REWIND; 32003d7072f8Seschrock 32013d7072f8Seschrock if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) 32023d7072f8Seschrock return (0); 32033d7072f8Seschrock 32043d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 32053d7072f8Seschrock } 32063d7072f8Seschrock 3207e9103aaeSGarrett D'Amore /* 3208e9103aaeSGarrett D'Amore * Change the GUID for a pool. 3209e9103aaeSGarrett D'Amore */ 3210e9103aaeSGarrett D'Amore int 3211e9103aaeSGarrett D'Amore zpool_reguid(zpool_handle_t *zhp) 3212e9103aaeSGarrett D'Amore { 3213e9103aaeSGarrett D'Amore char msg[1024]; 3214e9103aaeSGarrett D'Amore libzfs_handle_t *hdl = zhp->zpool_hdl; 3215e9103aaeSGarrett D'Amore zfs_cmd_t zc = { 0 }; 3216e9103aaeSGarrett D'Amore 3217e9103aaeSGarrett D'Amore (void) snprintf(msg, sizeof (msg), 3218e9103aaeSGarrett D'Amore dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); 3219e9103aaeSGarrett D'Amore 3220e9103aaeSGarrett D'Amore (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3221e9103aaeSGarrett D'Amore if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) 3222e9103aaeSGarrett D'Amore return (0); 3223e9103aaeSGarrett D'Amore 3224e9103aaeSGarrett D'Amore return (zpool_standard_error(hdl, errno, msg)); 3225e9103aaeSGarrett D'Amore } 3226e9103aaeSGarrett D'Amore 32274263d13fSGeorge Wilson /* 32284263d13fSGeorge Wilson * Reopen the pool. 32294263d13fSGeorge Wilson */ 32304263d13fSGeorge Wilson int 32314263d13fSGeorge Wilson zpool_reopen(zpool_handle_t *zhp) 32324263d13fSGeorge Wilson { 32334263d13fSGeorge Wilson zfs_cmd_t zc = { 0 }; 32344263d13fSGeorge Wilson char msg[1024]; 32354263d13fSGeorge Wilson libzfs_handle_t *hdl = zhp->zpool_hdl; 32364263d13fSGeorge Wilson 32374263d13fSGeorge Wilson (void) snprintf(msg, sizeof (msg), 32384263d13fSGeorge Wilson dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), 32394263d13fSGeorge Wilson zhp->zpool_name); 32404263d13fSGeorge Wilson 32414263d13fSGeorge Wilson (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 32424263d13fSGeorge Wilson if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0) 32434263d13fSGeorge Wilson return (0); 32444263d13fSGeorge Wilson return (zpool_standard_error(hdl, errno, msg)); 32454263d13fSGeorge Wilson } 32464263d13fSGeorge Wilson 3247c67d9675Seschrock /* 3248c67d9675Seschrock * Convert from a devid string to a path. 3249c67d9675Seschrock */ 3250c67d9675Seschrock static char * 3251c67d9675Seschrock devid_to_path(char *devid_str) 3252c67d9675Seschrock { 3253c67d9675Seschrock ddi_devid_t devid; 3254c67d9675Seschrock char *minor; 3255c67d9675Seschrock char *path; 3256c67d9675Seschrock devid_nmlist_t *list = NULL; 3257c67d9675Seschrock int ret; 3258c67d9675Seschrock 3259c67d9675Seschrock if (devid_str_decode(devid_str, &devid, &minor) != 0) 3260c67d9675Seschrock return (NULL); 3261c67d9675Seschrock 3262c67d9675Seschrock ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); 3263c67d9675Seschrock 3264c67d9675Seschrock devid_str_free(minor); 3265c67d9675Seschrock devid_free(devid); 3266c67d9675Seschrock 3267c67d9675Seschrock if (ret != 0) 3268c67d9675Seschrock return (NULL); 3269c67d9675Seschrock 327099653d4eSeschrock if ((path = strdup(list[0].devname)) == NULL) 327199653d4eSeschrock return (NULL); 327299653d4eSeschrock 3273c67d9675Seschrock devid_free_nmlist(list); 3274c67d9675Seschrock 3275c67d9675Seschrock return (path); 3276c67d9675Seschrock } 3277c67d9675Seschrock 3278c67d9675Seschrock /* 3279c67d9675Seschrock * Convert from a path to a devid string. 3280c67d9675Seschrock */ 3281c67d9675Seschrock static char * 3282c67d9675Seschrock path_to_devid(const char *path) 3283c67d9675Seschrock { 3284c67d9675Seschrock int fd; 3285c67d9675Seschrock ddi_devid_t devid; 3286c67d9675Seschrock char *minor, *ret; 3287c67d9675Seschrock 3288c67d9675Seschrock if ((fd = open(path, O_RDONLY)) < 0) 3289c67d9675Seschrock return (NULL); 3290c67d9675Seschrock 3291c67d9675Seschrock minor = NULL; 3292c67d9675Seschrock ret = NULL; 3293c67d9675Seschrock if (devid_get(fd, &devid) == 0) { 3294c67d9675Seschrock if (devid_get_minor_name(fd, &minor) == 0) 3295c67d9675Seschrock ret = devid_str_encode(devid, minor); 3296c67d9675Seschrock if (minor != NULL) 3297c67d9675Seschrock devid_str_free(minor); 3298c67d9675Seschrock devid_free(devid); 3299c67d9675Seschrock } 3300c67d9675Seschrock (void) close(fd); 3301c67d9675Seschrock 3302c67d9675Seschrock return (ret); 3303c67d9675Seschrock } 3304c67d9675Seschrock 3305c67d9675Seschrock /* 3306c67d9675Seschrock * Issue the necessary ioctl() to update the stored path value for the vdev. We 3307c67d9675Seschrock * ignore any failure here, since a common case is for an unprivileged user to 3308c67d9675Seschrock * type 'zpool status', and we'll display the correct information anyway. 3309c67d9675Seschrock */ 3310c67d9675Seschrock static void 3311c67d9675Seschrock set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) 3312c67d9675Seschrock { 3313c67d9675Seschrock zfs_cmd_t zc = { 0 }; 3314c67d9675Seschrock 3315c67d9675Seschrock (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 3316e9dbad6fSeschrock (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); 3317c67d9675Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3318ea8dc4b6Seschrock &zc.zc_guid) == 0); 3319c67d9675Seschrock 332099653d4eSeschrock (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); 3321c67d9675Seschrock } 3322c67d9675Seschrock 3323c67d9675Seschrock /* 3324c67d9675Seschrock * Given a vdev, return the name to display in iostat. If the vdev has a path, 3325c67d9675Seschrock * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. 3326c67d9675Seschrock * We also check if this is a whole disk, in which case we strip off the 3327c67d9675Seschrock * trailing 's0' slice name. 3328c67d9675Seschrock * 3329c67d9675Seschrock * This routine is also responsible for identifying when disks have been 3330c67d9675Seschrock * reconfigured in a new location. The kernel will have opened the device by 3331c67d9675Seschrock * devid, but the path will still refer to the old location. To catch this, we 3332c67d9675Seschrock * first do a path -> devid translation (which is fast for the common case). If 3333c67d9675Seschrock * the devid matches, we're done. If not, we do a reverse devid -> path 3334c67d9675Seschrock * translation and issue the appropriate ioctl() to update the path of the vdev. 3335c67d9675Seschrock * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any 3336c67d9675Seschrock * of these checks. 3337c67d9675Seschrock */ 3338c67d9675Seschrock char * 333988ecc943SGeorge Wilson zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, 334088ecc943SGeorge Wilson boolean_t verbose) 3341c67d9675Seschrock { 3342c67d9675Seschrock char *path, *devid; 3343ea8dc4b6Seschrock uint64_t value; 3344ea8dc4b6Seschrock char buf[64]; 33453d7072f8Seschrock vdev_stat_t *vs; 33463d7072f8Seschrock uint_t vsc; 3347c67d9675Seschrock 3348ea8dc4b6Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 3349ea8dc4b6Seschrock &value) == 0) { 3350ea8dc4b6Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 3351ea8dc4b6Seschrock &value) == 0); 33525ad82045Snd (void) snprintf(buf, sizeof (buf), "%llu", 33535ad82045Snd (u_longlong_t)value); 3354ea8dc4b6Seschrock path = buf; 3355ea8dc4b6Seschrock } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 3356c67d9675Seschrock 33573d7072f8Seschrock /* 33583d7072f8Seschrock * If the device is dead (faulted, offline, etc) then don't 33593d7072f8Seschrock * bother opening it. Otherwise we may be forcing the user to 33603d7072f8Seschrock * open a misbehaving device, which can have undesirable 33613d7072f8Seschrock * effects. 33623d7072f8Seschrock */ 33633f9d6ad7SLin Ling if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 33643d7072f8Seschrock (uint64_t **)&vs, &vsc) != 0 || 33653d7072f8Seschrock vs->vs_state >= VDEV_STATE_DEGRADED) && 33663d7072f8Seschrock zhp != NULL && 3367c67d9675Seschrock nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { 3368c67d9675Seschrock /* 3369c67d9675Seschrock * Determine if the current path is correct. 3370c67d9675Seschrock */ 3371c67d9675Seschrock char *newdevid = path_to_devid(path); 3372c67d9675Seschrock 3373c67d9675Seschrock if (newdevid == NULL || 3374c67d9675Seschrock strcmp(devid, newdevid) != 0) { 3375c67d9675Seschrock char *newpath; 3376c67d9675Seschrock 3377c67d9675Seschrock if ((newpath = devid_to_path(devid)) != NULL) { 3378c67d9675Seschrock /* 3379c67d9675Seschrock * Update the path appropriately. 3380c67d9675Seschrock */ 3381c67d9675Seschrock set_path(zhp, nv, newpath); 338299653d4eSeschrock if (nvlist_add_string(nv, 338399653d4eSeschrock ZPOOL_CONFIG_PATH, newpath) == 0) 338499653d4eSeschrock verify(nvlist_lookup_string(nv, 338599653d4eSeschrock ZPOOL_CONFIG_PATH, 338699653d4eSeschrock &path) == 0); 3387c67d9675Seschrock free(newpath); 3388c67d9675Seschrock } 3389c67d9675Seschrock } 3390c67d9675Seschrock 339199653d4eSeschrock if (newdevid) 339299653d4eSeschrock devid_str_free(newdevid); 3393c67d9675Seschrock } 3394c67d9675Seschrock 3395c67d9675Seschrock if (strncmp(path, "/dev/dsk/", 9) == 0) 3396c67d9675Seschrock path += 9; 3397c67d9675Seschrock 3398c67d9675Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 3399ea8dc4b6Seschrock &value) == 0 && value) { 34003fdda499SJohn Harres int pathlen = strlen(path); 340199653d4eSeschrock char *tmp = zfs_strdup(hdl, path); 34023fdda499SJohn Harres 34033fdda499SJohn Harres /* 34043fdda499SJohn Harres * If it starts with c#, and ends with "s0", chop 34053fdda499SJohn Harres * the "s0" off, or if it ends with "s0/old", remove 34063fdda499SJohn Harres * the "s0" from the middle. 34073fdda499SJohn Harres */ 34083fdda499SJohn Harres if (CTD_CHECK(tmp)) { 34093fdda499SJohn Harres if (strcmp(&tmp[pathlen - 2], "s0") == 0) { 34103fdda499SJohn Harres tmp[pathlen - 2] = '\0'; 34113fdda499SJohn Harres } else if (pathlen > 6 && 34123fdda499SJohn Harres strcmp(&tmp[pathlen - 6], "s0/old") == 0) { 34133fdda499SJohn Harres (void) strcpy(&tmp[pathlen - 6], 34143fdda499SJohn Harres "/old"); 34153fdda499SJohn Harres } 34163fdda499SJohn Harres } 3417c67d9675Seschrock return (tmp); 3418c67d9675Seschrock } 3419c67d9675Seschrock } else { 3420c67d9675Seschrock verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); 342199653d4eSeschrock 342299653d4eSeschrock /* 342399653d4eSeschrock * If it's a raidz device, we need to stick in the parity level. 342499653d4eSeschrock */ 342599653d4eSeschrock if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { 342699653d4eSeschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, 342799653d4eSeschrock &value) == 0); 342899653d4eSeschrock (void) snprintf(buf, sizeof (buf), "%s%llu", path, 34295ad82045Snd (u_longlong_t)value); 343099653d4eSeschrock path = buf; 343199653d4eSeschrock } 343288ecc943SGeorge Wilson 343388ecc943SGeorge Wilson /* 343488ecc943SGeorge Wilson * We identify each top-level vdev by using a <type-id> 343588ecc943SGeorge Wilson * naming convention. 343688ecc943SGeorge Wilson */ 343788ecc943SGeorge Wilson if (verbose) { 343888ecc943SGeorge Wilson uint64_t id; 343988ecc943SGeorge Wilson 344088ecc943SGeorge Wilson verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, 344188ecc943SGeorge Wilson &id) == 0); 344288ecc943SGeorge Wilson (void) snprintf(buf, sizeof (buf), "%s-%llu", path, 344388ecc943SGeorge Wilson (u_longlong_t)id); 344488ecc943SGeorge Wilson path = buf; 344588ecc943SGeorge Wilson } 3446c67d9675Seschrock } 3447c67d9675Seschrock 344899653d4eSeschrock return (zfs_strdup(hdl, path)); 3449c67d9675Seschrock } 3450ea8dc4b6Seschrock 3451ea8dc4b6Seschrock static int 3452ea8dc4b6Seschrock zbookmark_compare(const void *a, const void *b) 3453ea8dc4b6Seschrock { 3454ea8dc4b6Seschrock return (memcmp(a, b, sizeof (zbookmark_t))); 3455ea8dc4b6Seschrock } 3456ea8dc4b6Seschrock 3457ea8dc4b6Seschrock /* 3458ea8dc4b6Seschrock * Retrieve the persistent error log, uniquify the members, and return to the 3459ea8dc4b6Seschrock * caller. 3460ea8dc4b6Seschrock */ 3461ea8dc4b6Seschrock int 346255434c77Sek zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) 3463ea8dc4b6Seschrock { 3464ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 3465ea8dc4b6Seschrock uint64_t count; 3466e9dbad6fSeschrock zbookmark_t *zb = NULL; 346755434c77Sek int i; 3468ea8dc4b6Seschrock 3469ea8dc4b6Seschrock /* 3470ea8dc4b6Seschrock * Retrieve the raw error list from the kernel. If the number of errors 3471ea8dc4b6Seschrock * has increased, allocate more space and continue until we get the 3472ea8dc4b6Seschrock * entire list. 3473ea8dc4b6Seschrock */ 3474ea8dc4b6Seschrock verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, 3475ea8dc4b6Seschrock &count) == 0); 347675519f38Sek if (count == 0) 347775519f38Sek return (0); 3478e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, 34795ad82045Snd count * sizeof (zbookmark_t))) == (uintptr_t)NULL) 348099653d4eSeschrock return (-1); 3481e9dbad6fSeschrock zc.zc_nvlist_dst_size = count; 3482ea8dc4b6Seschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3483ea8dc4b6Seschrock for (;;) { 348499653d4eSeschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, 348599653d4eSeschrock &zc) != 0) { 3486e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 3487ea8dc4b6Seschrock if (errno == ENOMEM) { 3488bf561db0Svb count = zc.zc_nvlist_dst_size; 3489e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t) 3490bf561db0Svb zfs_alloc(zhp->zpool_hdl, count * 3491bf561db0Svb sizeof (zbookmark_t))) == (uintptr_t)NULL) 349299653d4eSeschrock return (-1); 3493ea8dc4b6Seschrock } else { 3494ea8dc4b6Seschrock return (-1); 3495ea8dc4b6Seschrock } 3496ea8dc4b6Seschrock } else { 3497ea8dc4b6Seschrock break; 3498ea8dc4b6Seschrock } 3499ea8dc4b6Seschrock } 3500ea8dc4b6Seschrock 3501ea8dc4b6Seschrock /* 3502ea8dc4b6Seschrock * Sort the resulting bookmarks. This is a little confusing due to the 3503ea8dc4b6Seschrock * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last 3504e9dbad6fSeschrock * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks 3505ea8dc4b6Seschrock * _not_ copied as part of the process. So we point the start of our 3506ea8dc4b6Seschrock * array appropriate and decrement the total number of elements. 3507ea8dc4b6Seschrock */ 3508e9dbad6fSeschrock zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + 3509e9dbad6fSeschrock zc.zc_nvlist_dst_size; 3510e9dbad6fSeschrock count -= zc.zc_nvlist_dst_size; 3511ea8dc4b6Seschrock 3512ea8dc4b6Seschrock qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); 3513ea8dc4b6Seschrock 351455434c77Sek verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); 3515ea8dc4b6Seschrock 3516ea8dc4b6Seschrock /* 351755434c77Sek * Fill in the nverrlistp with nvlist's of dataset and object numbers. 3518ea8dc4b6Seschrock */ 3519ea8dc4b6Seschrock for (i = 0; i < count; i++) { 3520ea8dc4b6Seschrock nvlist_t *nv; 3521ea8dc4b6Seschrock 3522c0a81264Sek /* ignoring zb_blkid and zb_level for now */ 3523c0a81264Sek if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && 3524c0a81264Sek zb[i-1].zb_object == zb[i].zb_object) 3525ea8dc4b6Seschrock continue; 3526ea8dc4b6Seschrock 352755434c77Sek if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) 352855434c77Sek goto nomem; 352955434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, 353055434c77Sek zb[i].zb_objset) != 0) { 353155434c77Sek nvlist_free(nv); 353299653d4eSeschrock goto nomem; 3533ea8dc4b6Seschrock } 353455434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, 353555434c77Sek zb[i].zb_object) != 0) { 353655434c77Sek nvlist_free(nv); 353755434c77Sek goto nomem; 353855434c77Sek } 353955434c77Sek if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { 354055434c77Sek nvlist_free(nv); 354155434c77Sek goto nomem; 354255434c77Sek } 354355434c77Sek nvlist_free(nv); 3544ea8dc4b6Seschrock } 3545ea8dc4b6Seschrock 35463ccfa83cSahrens free((void *)(uintptr_t)zc.zc_nvlist_dst); 3547ea8dc4b6Seschrock return (0); 354899653d4eSeschrock 354999653d4eSeschrock nomem: 3550e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 355199653d4eSeschrock return (no_memory(zhp->zpool_hdl)); 3552ea8dc4b6Seschrock } 3553eaca9bbdSeschrock 3554eaca9bbdSeschrock /* 3555eaca9bbdSeschrock * Upgrade a ZFS pool to the latest on-disk version. 3556eaca9bbdSeschrock */ 3557eaca9bbdSeschrock int 3558990b4856Slling zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) 3559eaca9bbdSeschrock { 3560eaca9bbdSeschrock zfs_cmd_t zc = { 0 }; 356199653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 3562eaca9bbdSeschrock 3563eaca9bbdSeschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 3564990b4856Slling zc.zc_cookie = new_version; 3565990b4856Slling 3566ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) 3567ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 356899653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), 356999653d4eSeschrock zhp->zpool_name)); 3570eaca9bbdSeschrock return (0); 3571eaca9bbdSeschrock } 357206eeb2adSek 357306eeb2adSek void 35744445fffbSMatthew Ahrens zfs_save_arguments(int argc, char **argv, char *string, int len) 357506eeb2adSek { 35764445fffbSMatthew Ahrens (void) strlcpy(string, basename(argv[0]), len); 35774445fffbSMatthew Ahrens for (int i = 1; i < argc; i++) { 35784445fffbSMatthew Ahrens (void) strlcat(string, " ", len); 35794445fffbSMatthew Ahrens (void) strlcat(string, argv[i], len); 35802a6b87f0Sek } 35812a6b87f0Sek } 35822a6b87f0Sek 35832a6b87f0Sek int 35844445fffbSMatthew Ahrens zpool_log_history(libzfs_handle_t *hdl, const char *message) 35852a6b87f0Sek { 35864445fffbSMatthew Ahrens zfs_cmd_t zc = { 0 }; 35874445fffbSMatthew Ahrens nvlist_t *args; 35884445fffbSMatthew Ahrens int err; 35894445fffbSMatthew Ahrens 35904445fffbSMatthew Ahrens args = fnvlist_alloc(); 35914445fffbSMatthew Ahrens fnvlist_add_string(args, "message", message); 35924445fffbSMatthew Ahrens err = zcmd_write_src_nvlist(hdl, &zc, args); 35934445fffbSMatthew Ahrens if (err == 0) 35944445fffbSMatthew Ahrens err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc); 35954445fffbSMatthew Ahrens nvlist_free(args); 35964445fffbSMatthew Ahrens zcmd_free_nvlists(&zc); 35974445fffbSMatthew Ahrens return (err); 359806eeb2adSek } 359906eeb2adSek 360006eeb2adSek /* 360106eeb2adSek * Perform ioctl to get some command history of a pool. 360206eeb2adSek * 360306eeb2adSek * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the 360406eeb2adSek * logical offset of the history buffer to start reading from. 360506eeb2adSek * 360606eeb2adSek * Upon return, 'off' is the next logical offset to read from and 360706eeb2adSek * 'len' is the actual amount of bytes read into 'buf'. 360806eeb2adSek */ 360906eeb2adSek static int 361006eeb2adSek get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) 361106eeb2adSek { 361206eeb2adSek zfs_cmd_t zc = { 0 }; 361306eeb2adSek libzfs_handle_t *hdl = zhp->zpool_hdl; 361406eeb2adSek 361506eeb2adSek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 361606eeb2adSek 361706eeb2adSek zc.zc_history = (uint64_t)(uintptr_t)buf; 361806eeb2adSek zc.zc_history_len = *len; 361906eeb2adSek zc.zc_history_offset = *off; 362006eeb2adSek 362106eeb2adSek if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { 362206eeb2adSek switch (errno) { 362306eeb2adSek case EPERM: 3624ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_PERM, 3625ece3d9b3Slling dgettext(TEXT_DOMAIN, 362606eeb2adSek "cannot show history for pool '%s'"), 362706eeb2adSek zhp->zpool_name)); 362806eeb2adSek case ENOENT: 3629ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_NOHISTORY, 363006eeb2adSek dgettext(TEXT_DOMAIN, "cannot get history for pool " 363106eeb2adSek "'%s'"), zhp->zpool_name)); 3632d7306b64Sek case ENOTSUP: 3633d7306b64Sek return (zfs_error_fmt(hdl, EZFS_BADVERSION, 3634d7306b64Sek dgettext(TEXT_DOMAIN, "cannot get history for pool " 3635d7306b64Sek "'%s', pool must be upgraded"), zhp->zpool_name)); 363606eeb2adSek default: 3637ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 363806eeb2adSek dgettext(TEXT_DOMAIN, 363906eeb2adSek "cannot get history for '%s'"), zhp->zpool_name)); 364006eeb2adSek } 364106eeb2adSek } 364206eeb2adSek 364306eeb2adSek *len = zc.zc_history_len; 364406eeb2adSek *off = zc.zc_history_offset; 364506eeb2adSek 364606eeb2adSek return (0); 364706eeb2adSek } 364806eeb2adSek 364906eeb2adSek /* 365006eeb2adSek * Process the buffer of nvlists, unpacking and storing each nvlist record 365106eeb2adSek * into 'records'. 'leftover' is set to the number of bytes that weren't 365206eeb2adSek * processed as there wasn't a complete record. 365306eeb2adSek */ 36548f18d1faSGeorge Wilson int 365506eeb2adSek zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, 365606eeb2adSek nvlist_t ***records, uint_t *numrecords) 365706eeb2adSek { 365806eeb2adSek uint64_t reclen; 365906eeb2adSek nvlist_t *nv; 366006eeb2adSek int i; 366106eeb2adSek 366206eeb2adSek while (bytes_read > sizeof (reclen)) { 366306eeb2adSek 366406eeb2adSek /* get length of packed record (stored as little endian) */ 366506eeb2adSek for (i = 0, reclen = 0; i < sizeof (reclen); i++) 366606eeb2adSek reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); 366706eeb2adSek 366806eeb2adSek if (bytes_read < sizeof (reclen) + reclen) 366906eeb2adSek break; 367006eeb2adSek 367106eeb2adSek /* unpack record */ 367206eeb2adSek if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) 367306eeb2adSek return (ENOMEM); 367406eeb2adSek bytes_read -= sizeof (reclen) + reclen; 367506eeb2adSek buf += sizeof (reclen) + reclen; 367606eeb2adSek 367706eeb2adSek /* add record to nvlist array */ 367806eeb2adSek (*numrecords)++; 367906eeb2adSek if (ISP2(*numrecords + 1)) { 368006eeb2adSek *records = realloc(*records, 368106eeb2adSek *numrecords * 2 * sizeof (nvlist_t *)); 368206eeb2adSek } 368306eeb2adSek (*records)[*numrecords - 1] = nv; 368406eeb2adSek } 368506eeb2adSek 368606eeb2adSek *leftover = bytes_read; 368706eeb2adSek return (0); 368806eeb2adSek } 368906eeb2adSek 369006eeb2adSek #define HIS_BUF_LEN (128*1024) 369106eeb2adSek 369206eeb2adSek /* 369306eeb2adSek * Retrieve the command history of a pool. 369406eeb2adSek */ 369506eeb2adSek int 369606eeb2adSek zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) 369706eeb2adSek { 369806eeb2adSek char buf[HIS_BUF_LEN]; 369906eeb2adSek uint64_t off = 0; 370006eeb2adSek nvlist_t **records = NULL; 370106eeb2adSek uint_t numrecords = 0; 370206eeb2adSek int err, i; 370306eeb2adSek 370406eeb2adSek do { 370506eeb2adSek uint64_t bytes_read = sizeof (buf); 370606eeb2adSek uint64_t leftover; 370706eeb2adSek 370806eeb2adSek if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) 370906eeb2adSek break; 371006eeb2adSek 371106eeb2adSek /* if nothing else was read in, we're at EOF, just return */ 371206eeb2adSek if (!bytes_read) 371306eeb2adSek break; 371406eeb2adSek 371506eeb2adSek if ((err = zpool_history_unpack(buf, bytes_read, 371606eeb2adSek &leftover, &records, &numrecords)) != 0) 371706eeb2adSek break; 371806eeb2adSek off -= leftover; 371906eeb2adSek 372006eeb2adSek /* CONSTCOND */ 372106eeb2adSek } while (1); 372206eeb2adSek 372306eeb2adSek if (!err) { 372406eeb2adSek verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); 372506eeb2adSek verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, 372606eeb2adSek records, numrecords) == 0); 372706eeb2adSek } 372806eeb2adSek for (i = 0; i < numrecords; i++) 372906eeb2adSek nvlist_free(records[i]); 373006eeb2adSek free(records); 373106eeb2adSek 373206eeb2adSek return (err); 373306eeb2adSek } 373455434c77Sek 373555434c77Sek void 373655434c77Sek zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, 373755434c77Sek char *pathname, size_t len) 373855434c77Sek { 373955434c77Sek zfs_cmd_t zc = { 0 }; 374055434c77Sek boolean_t mounted = B_FALSE; 374155434c77Sek char *mntpnt = NULL; 374255434c77Sek char dsname[MAXNAMELEN]; 374355434c77Sek 374455434c77Sek if (dsobj == 0) { 374555434c77Sek /* special case for the MOS */ 374655434c77Sek (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj); 374755434c77Sek return; 374855434c77Sek } 374955434c77Sek 375055434c77Sek /* get the dataset's name */ 375155434c77Sek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 375255434c77Sek zc.zc_obj = dsobj; 375355434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, 375455434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { 375555434c77Sek /* just write out a path of two object numbers */ 375655434c77Sek (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", 375755434c77Sek dsobj, obj); 375855434c77Sek return; 375955434c77Sek } 376055434c77Sek (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); 376155434c77Sek 376255434c77Sek /* find out if the dataset is mounted */ 376355434c77Sek mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); 376455434c77Sek 376555434c77Sek /* get the corrupted object's path */ 376655434c77Sek (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); 376755434c77Sek zc.zc_obj = obj; 376855434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, 376955434c77Sek &zc) == 0) { 377055434c77Sek if (mounted) { 377155434c77Sek (void) snprintf(pathname, len, "%s%s", mntpnt, 377255434c77Sek zc.zc_value); 377355434c77Sek } else { 377455434c77Sek (void) snprintf(pathname, len, "%s:%s", 377555434c77Sek dsname, zc.zc_value); 377655434c77Sek } 377755434c77Sek } else { 377855434c77Sek (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj); 377955434c77Sek } 378055434c77Sek free(mntpnt); 378155434c77Sek } 3782b1b8ab34Slling 378315e6edf1Sgw /* 378415e6edf1Sgw * Read the EFI label from the config, if a label does not exist then 378515e6edf1Sgw * pass back the error to the caller. If the caller has passed a non-NULL 378615e6edf1Sgw * diskaddr argument then we set it to the starting address of the EFI 378715e6edf1Sgw * partition. 378815e6edf1Sgw */ 378915e6edf1Sgw static int 379015e6edf1Sgw read_efi_label(nvlist_t *config, diskaddr_t *sb) 379115e6edf1Sgw { 379215e6edf1Sgw char *path; 379315e6edf1Sgw int fd; 379415e6edf1Sgw char diskname[MAXPATHLEN]; 379515e6edf1Sgw int err = -1; 379615e6edf1Sgw 379715e6edf1Sgw if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) 379815e6edf1Sgw return (err); 379915e6edf1Sgw 380015e6edf1Sgw (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT, 380115e6edf1Sgw strrchr(path, '/')); 380215e6edf1Sgw if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { 380315e6edf1Sgw struct dk_gpt *vtoc; 380415e6edf1Sgw 380515e6edf1Sgw if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { 380615e6edf1Sgw if (sb != NULL) 380715e6edf1Sgw *sb = vtoc->efi_parts[0].p_start; 380815e6edf1Sgw efi_free(vtoc); 380915e6edf1Sgw } 381015e6edf1Sgw (void) close(fd); 381115e6edf1Sgw } 381215e6edf1Sgw return (err); 381315e6edf1Sgw } 381415e6edf1Sgw 38158488aeb5Staylor /* 38168488aeb5Staylor * determine where a partition starts on a disk in the current 38178488aeb5Staylor * configuration 38188488aeb5Staylor */ 38198488aeb5Staylor static diskaddr_t 38208488aeb5Staylor find_start_block(nvlist_t *config) 38218488aeb5Staylor { 38228488aeb5Staylor nvlist_t **child; 38238488aeb5Staylor uint_t c, children; 38248488aeb5Staylor diskaddr_t sb = MAXOFFSET_T; 38258488aeb5Staylor uint64_t wholedisk; 38268488aeb5Staylor 38278488aeb5Staylor if (nvlist_lookup_nvlist_array(config, 38288488aeb5Staylor ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { 38298488aeb5Staylor if (nvlist_lookup_uint64(config, 38308488aeb5Staylor ZPOOL_CONFIG_WHOLE_DISK, 38318488aeb5Staylor &wholedisk) != 0 || !wholedisk) { 38328488aeb5Staylor return (MAXOFFSET_T); 38338488aeb5Staylor } 383415e6edf1Sgw if (read_efi_label(config, &sb) < 0) 383515e6edf1Sgw sb = MAXOFFSET_T; 38368488aeb5Staylor return (sb); 38378488aeb5Staylor } 38388488aeb5Staylor 38398488aeb5Staylor for (c = 0; c < children; c++) { 38408488aeb5Staylor sb = find_start_block(child[c]); 38418488aeb5Staylor if (sb != MAXOFFSET_T) { 38428488aeb5Staylor return (sb); 38438488aeb5Staylor } 38448488aeb5Staylor } 38458488aeb5Staylor return (MAXOFFSET_T); 38468488aeb5Staylor } 38478488aeb5Staylor 38488488aeb5Staylor /* 38498488aeb5Staylor * Label an individual disk. The name provided is the short name, 38508488aeb5Staylor * stripped of any leading /dev path. 38518488aeb5Staylor */ 38528488aeb5Staylor int 38538488aeb5Staylor zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) 38548488aeb5Staylor { 38558488aeb5Staylor char path[MAXPATHLEN]; 38568488aeb5Staylor struct dk_gpt *vtoc; 38578488aeb5Staylor int fd; 38588488aeb5Staylor size_t resv = EFI_MIN_RESV_SIZE; 38598488aeb5Staylor uint64_t slice_size; 38608488aeb5Staylor diskaddr_t start_block; 38618488aeb5Staylor char errbuf[1024]; 38628488aeb5Staylor 3863c6ef114fSmmusante /* prepare an error message just in case */ 3864c6ef114fSmmusante (void) snprintf(errbuf, sizeof (errbuf), 3865c6ef114fSmmusante dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); 3866c6ef114fSmmusante 38678488aeb5Staylor if (zhp) { 38688488aeb5Staylor nvlist_t *nvroot; 38698488aeb5Staylor 38704263d13fSGeorge Wilson if (zpool_is_bootable(zhp)) { 3871b5b76fecSGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3872b5b76fecSGeorge Wilson "EFI labeled devices are not supported on root " 3873b5b76fecSGeorge Wilson "pools.")); 3874b5b76fecSGeorge Wilson return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); 3875b5b76fecSGeorge Wilson } 3876b5b76fecSGeorge Wilson 38778488aeb5Staylor verify(nvlist_lookup_nvlist(zhp->zpool_config, 38788488aeb5Staylor ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 38798488aeb5Staylor 38808488aeb5Staylor if (zhp->zpool_start_block == 0) 38818488aeb5Staylor start_block = find_start_block(nvroot); 38828488aeb5Staylor else 38838488aeb5Staylor start_block = zhp->zpool_start_block; 38848488aeb5Staylor zhp->zpool_start_block = start_block; 38858488aeb5Staylor } else { 38868488aeb5Staylor /* new pool */ 38878488aeb5Staylor start_block = NEW_START_BLOCK; 38888488aeb5Staylor } 38898488aeb5Staylor 38908488aeb5Staylor (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, 38918488aeb5Staylor BACKUP_SLICE); 38928488aeb5Staylor 38938488aeb5Staylor if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 38948488aeb5Staylor /* 38958488aeb5Staylor * This shouldn't happen. We've long since verified that this 38968488aeb5Staylor * is a valid device. 38978488aeb5Staylor */ 3898c6ef114fSmmusante zfs_error_aux(hdl, 3899c6ef114fSmmusante dgettext(TEXT_DOMAIN, "unable to open device")); 39008488aeb5Staylor return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 39018488aeb5Staylor } 39028488aeb5Staylor 39038488aeb5Staylor if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { 39048488aeb5Staylor /* 39058488aeb5Staylor * The only way this can fail is if we run out of memory, or we 39068488aeb5Staylor * were unable to read the disk's capacity 39078488aeb5Staylor */ 39088488aeb5Staylor if (errno == ENOMEM) 39098488aeb5Staylor (void) no_memory(hdl); 39108488aeb5Staylor 39118488aeb5Staylor (void) close(fd); 3912c6ef114fSmmusante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3913c6ef114fSmmusante "unable to read disk capacity"), name); 39148488aeb5Staylor 39158488aeb5Staylor return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 39168488aeb5Staylor } 39178488aeb5Staylor 39188488aeb5Staylor slice_size = vtoc->efi_last_u_lba + 1; 39198488aeb5Staylor slice_size -= EFI_MIN_RESV_SIZE; 39208488aeb5Staylor if (start_block == MAXOFFSET_T) 39218488aeb5Staylor start_block = NEW_START_BLOCK; 39228488aeb5Staylor slice_size -= start_block; 39238488aeb5Staylor 39248488aeb5Staylor vtoc->efi_parts[0].p_start = start_block; 39258488aeb5Staylor vtoc->efi_parts[0].p_size = slice_size; 39268488aeb5Staylor 39278488aeb5Staylor /* 39288488aeb5Staylor * Why we use V_USR: V_BACKUP confuses users, and is considered 39298488aeb5Staylor * disposable by some EFI utilities (since EFI doesn't have a backup 39308488aeb5Staylor * slice). V_UNASSIGNED is supposed to be used only for zero size 39318488aeb5Staylor * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, 39328488aeb5Staylor * etc. were all pretty specific. V_USR is as close to reality as we 39338488aeb5Staylor * can get, in the absence of V_OTHER. 39348488aeb5Staylor */ 39358488aeb5Staylor vtoc->efi_parts[0].p_tag = V_USR; 39368488aeb5Staylor (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); 39378488aeb5Staylor 39388488aeb5Staylor vtoc->efi_parts[8].p_start = slice_size + start_block; 39398488aeb5Staylor vtoc->efi_parts[8].p_size = resv; 39408488aeb5Staylor vtoc->efi_parts[8].p_tag = V_RESERVED; 39418488aeb5Staylor 39428488aeb5Staylor if (efi_write(fd, vtoc) != 0) { 39438488aeb5Staylor /* 39448488aeb5Staylor * Some block drivers (like pcata) may not support EFI 39458488aeb5Staylor * GPT labels. Print out a helpful error message dir- 39468488aeb5Staylor * ecting the user to manually label the disk and give 39478488aeb5Staylor * a specific slice. 39488488aeb5Staylor */ 39498488aeb5Staylor (void) close(fd); 39508488aeb5Staylor efi_free(vtoc); 39518488aeb5Staylor 39528488aeb5Staylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3953c6ef114fSmmusante "try using fdisk(1M) and then provide a specific slice")); 39548488aeb5Staylor return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); 39558488aeb5Staylor } 39568488aeb5Staylor 39578488aeb5Staylor (void) close(fd); 39588488aeb5Staylor efi_free(vtoc); 39598488aeb5Staylor return (0); 39608488aeb5Staylor } 3961e7cbe64fSgw 3962e7cbe64fSgw static boolean_t 3963e7cbe64fSgw supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) 3964e7cbe64fSgw { 3965e7cbe64fSgw char *type; 3966e7cbe64fSgw nvlist_t **child; 3967e7cbe64fSgw uint_t children, c; 3968e7cbe64fSgw 3969e7cbe64fSgw verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); 3970810e43b2SBill Pijewski if (strcmp(type, VDEV_TYPE_FILE) == 0 || 397188ecc943SGeorge Wilson strcmp(type, VDEV_TYPE_HOLE) == 0 || 3972e7cbe64fSgw strcmp(type, VDEV_TYPE_MISSING) == 0) { 3973e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 3974e7cbe64fSgw "vdev type '%s' is not supported"), type); 3975e7cbe64fSgw (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); 3976e7cbe64fSgw return (B_FALSE); 3977e7cbe64fSgw } 3978e7cbe64fSgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 3979e7cbe64fSgw &child, &children) == 0) { 3980e7cbe64fSgw for (c = 0; c < children; c++) { 3981e7cbe64fSgw if (!supported_dump_vdev_type(hdl, child[c], errbuf)) 3982e7cbe64fSgw return (B_FALSE); 3983e7cbe64fSgw } 3984e7cbe64fSgw } 3985e7cbe64fSgw return (B_TRUE); 3986e7cbe64fSgw } 3987e7cbe64fSgw 3988e7cbe64fSgw /* 3989810e43b2SBill Pijewski * Check if this zvol is allowable for use as a dump device; zero if 3990810e43b2SBill Pijewski * it is, > 0 if it isn't, < 0 if it isn't a zvol. 3991810e43b2SBill Pijewski * 3992810e43b2SBill Pijewski * Allowable storage configurations include mirrors, all raidz variants, and 3993810e43b2SBill Pijewski * pools with log, cache, and spare devices. Pools which are backed by files or 3994810e43b2SBill Pijewski * have missing/hole vdevs are not suitable. 3995e7cbe64fSgw */ 3996e7cbe64fSgw int 3997e7cbe64fSgw zvol_check_dump_config(char *arg) 3998e7cbe64fSgw { 3999e7cbe64fSgw zpool_handle_t *zhp = NULL; 4000e7cbe64fSgw nvlist_t *config, *nvroot; 4001e7cbe64fSgw char *p, *volname; 4002e7cbe64fSgw nvlist_t **top; 4003e7cbe64fSgw uint_t toplevels; 4004e7cbe64fSgw libzfs_handle_t *hdl; 4005e7cbe64fSgw char errbuf[1024]; 4006e7cbe64fSgw char poolname[ZPOOL_MAXNAMELEN]; 4007e7cbe64fSgw int pathlen = strlen(ZVOL_FULL_DEV_DIR); 4008e7cbe64fSgw int ret = 1; 4009e7cbe64fSgw 4010e7cbe64fSgw if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { 4011e7cbe64fSgw return (-1); 4012e7cbe64fSgw } 4013e7cbe64fSgw 4014e7cbe64fSgw (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 4015e7cbe64fSgw "dump is not supported on device '%s'"), arg); 4016e7cbe64fSgw 4017e7cbe64fSgw if ((hdl = libzfs_init()) == NULL) 4018e7cbe64fSgw return (1); 4019e7cbe64fSgw libzfs_print_on_error(hdl, B_TRUE); 4020e7cbe64fSgw 4021e7cbe64fSgw volname = arg + pathlen; 4022e7cbe64fSgw 4023e7cbe64fSgw /* check the configuration of the pool */ 4024e7cbe64fSgw if ((p = strchr(volname, '/')) == NULL) { 4025e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4026e7cbe64fSgw "malformed dataset name")); 4027e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 4028e7cbe64fSgw return (1); 4029e7cbe64fSgw } else if (p - volname >= ZFS_MAXNAMELEN) { 4030e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4031e7cbe64fSgw "dataset name is too long")); 4032e7cbe64fSgw (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); 4033e7cbe64fSgw return (1); 4034e7cbe64fSgw } else { 4035e7cbe64fSgw (void) strncpy(poolname, volname, p - volname); 4036e7cbe64fSgw poolname[p - volname] = '\0'; 4037e7cbe64fSgw } 4038e7cbe64fSgw 4039e7cbe64fSgw if ((zhp = zpool_open(hdl, poolname)) == NULL) { 4040e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4041e7cbe64fSgw "could not open pool '%s'"), poolname); 4042e7cbe64fSgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 4043e7cbe64fSgw goto out; 4044e7cbe64fSgw } 4045e7cbe64fSgw config = zpool_get_config(zhp, NULL); 4046e7cbe64fSgw if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4047e7cbe64fSgw &nvroot) != 0) { 4048e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4049e7cbe64fSgw "could not obtain vdev configuration for '%s'"), poolname); 4050e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); 4051e7cbe64fSgw goto out; 4052e7cbe64fSgw } 4053e7cbe64fSgw 4054e7cbe64fSgw verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 4055e7cbe64fSgw &top, &toplevels) == 0); 4056e7cbe64fSgw 4057e7cbe64fSgw if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { 4058e7cbe64fSgw goto out; 4059e7cbe64fSgw } 4060e7cbe64fSgw ret = 0; 4061e7cbe64fSgw 4062e7cbe64fSgw out: 4063e7cbe64fSgw if (zhp) 4064e7cbe64fSgw zpool_close(zhp); 4065e7cbe64fSgw libzfs_fini(hdl); 4066e7cbe64fSgw return (ret); 4067e7cbe64fSgw } 4068