4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 * Copyright (c) 2012 by Delphix. All rights reserved.
39 #include <sys/efi_partition.h>
41 #include <sys/zfs_ioctl.h>
44 #include "zfs_namecheck.h"
46 #include "libzfs_impl.h"
47 #include "zfs_comutil.h"
49 static int read_efi_label(nvlist_t
*config
, diskaddr_t
*sb
);
51 typedef struct prop_flags
{
52 int create
:1; /* Validate property on creation */
53 int import
:1; /* Validate property on import */
57 * ====================================================================
58 * zpool property functions
59 * ====================================================================
63 zpool_get_all_props(zpool_handle_t
*zhp
)
65 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
66 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
68 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
70 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, 0) != 0)
73 while (ioctl(hdl
->libzfs_fd
, ZFS_IOC_POOL_GET_PROPS
, &zc
) != 0) {
74 if (errno
== ENOMEM
) {
75 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
76 zcmd_free_nvlists(&zc
);
80 zcmd_free_nvlists(&zc
);
85 if (zcmd_read_dst_nvlist(hdl
, &zc
, &zhp
->zpool_props
) != 0) {
86 zcmd_free_nvlists(&zc
);
90 zcmd_free_nvlists(&zc
);
96 zpool_props_refresh(zpool_handle_t
*zhp
)
100 old_props
= zhp
->zpool_props
;
102 if (zpool_get_all_props(zhp
) != 0)
105 nvlist_free(old_props
);
110 zpool_get_prop_string(zpool_handle_t
*zhp
, zpool_prop_t prop
,
116 zprop_source_t source
;
118 nvl
= zhp
->zpool_props
;
119 if (nvlist_lookup_nvlist(nvl
, zpool_prop_to_name(prop
), &nv
) == 0) {
120 verify(nvlist_lookup_uint64(nv
, ZPROP_SOURCE
, &ival
) == 0);
122 verify(nvlist_lookup_string(nv
, ZPROP_VALUE
, &value
) == 0);
124 source
= ZPROP_SRC_DEFAULT
;
125 if ((value
= (char *)zpool_prop_default_string(prop
)) == NULL
)
136 zpool_get_prop_int(zpool_handle_t
*zhp
, zpool_prop_t prop
, zprop_source_t
*src
)
140 zprop_source_t source
;
142 if (zhp
->zpool_props
== NULL
&& zpool_get_all_props(zhp
)) {
144 * zpool_get_all_props() has most likely failed because
145 * the pool is faulted, but if all we need is the top level
146 * vdev's guid then get it from the zhp config nvlist.
148 if ((prop
== ZPOOL_PROP_GUID
) &&
149 (nvlist_lookup_nvlist(zhp
->zpool_config
,
150 ZPOOL_CONFIG_VDEV_TREE
, &nv
) == 0) &&
151 (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
, &value
)
155 return (zpool_prop_default_numeric(prop
));
158 nvl
= zhp
->zpool_props
;
159 if (nvlist_lookup_nvlist(nvl
, zpool_prop_to_name(prop
), &nv
) == 0) {
160 verify(nvlist_lookup_uint64(nv
, ZPROP_SOURCE
, &value
) == 0);
162 verify(nvlist_lookup_uint64(nv
, ZPROP_VALUE
, &value
) == 0);
164 source
= ZPROP_SRC_DEFAULT
;
165 value
= zpool_prop_default_numeric(prop
);
175 * Map VDEV STATE to printed strings.
178 zpool_state_to_name(vdev_state_t state
, vdev_aux_t aux
)
183 case VDEV_STATE_CLOSED
:
184 case VDEV_STATE_OFFLINE
:
185 return (gettext("OFFLINE"));
186 case VDEV_STATE_REMOVED
:
187 return (gettext("REMOVED"));
188 case VDEV_STATE_CANT_OPEN
:
189 if (aux
== VDEV_AUX_CORRUPT_DATA
|| aux
== VDEV_AUX_BAD_LOG
)
190 return (gettext("FAULTED"));
191 else if (aux
== VDEV_AUX_SPLIT_POOL
)
192 return (gettext("SPLIT"));
194 return (gettext("UNAVAIL"));
195 case VDEV_STATE_FAULTED
:
196 return (gettext("FAULTED"));
197 case VDEV_STATE_DEGRADED
:
198 return (gettext("DEGRADED"));
199 case VDEV_STATE_HEALTHY
:
200 return (gettext("ONLINE"));
203 return (gettext("UNKNOWN"));
207 * Get a zpool property value for 'prop' and return the value in
208 * a pre-allocated buffer.
211 zpool_get_prop(zpool_handle_t
*zhp
, zpool_prop_t prop
, char *buf
, size_t len
,
212 zprop_source_t
*srctype
)
216 zprop_source_t src
= ZPROP_SRC_NONE
;
221 if (zpool_get_state(zhp
) == POOL_STATE_UNAVAIL
) {
223 case ZPOOL_PROP_NAME
:
224 (void) strlcpy(buf
, zpool_get_name(zhp
), len
);
227 case ZPOOL_PROP_HEALTH
:
228 (void) strlcpy(buf
, "FAULTED", len
);
231 case ZPOOL_PROP_GUID
:
232 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
233 (void) snprintf(buf
, len
, "%llu", (u_longlong_t
)intval
);
236 case ZPOOL_PROP_ALTROOT
:
237 case ZPOOL_PROP_CACHEFILE
:
238 case ZPOOL_PROP_COMMENT
:
239 if (zhp
->zpool_props
!= NULL
||
240 zpool_get_all_props(zhp
) == 0) {
242 zpool_get_prop_string(zhp
, prop
, &src
),
250 (void) strlcpy(buf
, "-", len
);
259 if (zhp
->zpool_props
== NULL
&& zpool_get_all_props(zhp
) &&
260 prop
!= ZPOOL_PROP_NAME
)
263 switch (zpool_prop_get_type(prop
)) {
264 case PROP_TYPE_STRING
:
265 (void) strlcpy(buf
, zpool_get_prop_string(zhp
, prop
, &src
),
269 case PROP_TYPE_NUMBER
:
270 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
273 case ZPOOL_PROP_SIZE
:
274 case ZPOOL_PROP_ALLOCATED
:
275 case ZPOOL_PROP_FREE
:
276 case ZPOOL_PROP_EXPANDSZ
:
277 case ZPOOL_PROP_ASHIFT
:
278 (void) zfs_nicenum(intval
, buf
, len
);
281 case ZPOOL_PROP_CAPACITY
:
282 (void) snprintf(buf
, len
, "%llu%%",
283 (u_longlong_t
)intval
);
286 case ZPOOL_PROP_DEDUPRATIO
:
287 (void) snprintf(buf
, len
, "%llu.%02llux",
288 (u_longlong_t
)(intval
/ 100),
289 (u_longlong_t
)(intval
% 100));
292 case ZPOOL_PROP_HEALTH
:
293 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
294 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
295 verify(nvlist_lookup_uint64_array(nvroot
,
296 ZPOOL_CONFIG_VDEV_STATS
, (uint64_t **)&vs
, &vsc
)
299 (void) strlcpy(buf
, zpool_state_to_name(intval
,
303 (void) snprintf(buf
, len
, "%llu", (u_longlong_t
)intval
);
307 case PROP_TYPE_INDEX
:
308 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
309 if (zpool_prop_index_to_string(prop
, intval
, &strval
)
312 (void) strlcpy(buf
, strval
, len
);
326 * Check if the bootfs name has the same pool name as it is set to.
327 * Assuming bootfs is a valid dataset name.
330 bootfs_name_valid(const char *pool
, char *bootfs
)
332 int len
= strlen(pool
);
334 if (!zfs_name_valid(bootfs
, ZFS_TYPE_FILESYSTEM
|ZFS_TYPE_SNAPSHOT
))
337 if (strncmp(pool
, bootfs
, len
) == 0 &&
338 (bootfs
[len
] == '/' || bootfs
[len
] == '\0'))
345 * Inspect the configuration to determine if any of the devices contain
349 pool_uses_efi(nvlist_t
*config
)
354 if (nvlist_lookup_nvlist_array(config
, ZPOOL_CONFIG_CHILDREN
,
355 &child
, &children
) != 0)
356 return (read_efi_label(config
, NULL
) >= 0);
358 for (c
= 0; c
< children
; c
++) {
359 if (pool_uses_efi(child
[c
]))
366 zpool_is_bootable(zpool_handle_t
*zhp
)
368 char bootfs
[ZPOOL_MAXNAMELEN
];
370 return (zpool_get_prop(zhp
, ZPOOL_PROP_BOOTFS
, bootfs
,
371 sizeof (bootfs
), NULL
) == 0 && strncmp(bootfs
, "-",
372 sizeof (bootfs
)) != 0);
377 * Given an nvlist of zpool properties to be set, validate that they are
378 * correct, and parse any numeric properties (index, boolean, etc) if they are
379 * specified as strings.
382 zpool_valid_proplist(libzfs_handle_t
*hdl
, const char *poolname
,
383 nvlist_t
*props
, uint64_t version
, prop_flags_t flags
, char *errbuf
)
391 struct stat64 statbuf
;
395 if (nvlist_alloc(&retprops
, NV_UNIQUE_NAME
, 0) != 0) {
396 (void) no_memory(hdl
);
401 while ((elem
= nvlist_next_nvpair(props
, elem
)) != NULL
) {
402 const char *propname
= nvpair_name(elem
);
405 * Make sure this property is valid and applies to this type.
407 if ((prop
= zpool_name_to_prop(propname
)) == ZPROP_INVAL
) {
408 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
409 "invalid property '%s'"), propname
);
410 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
414 if (zpool_prop_readonly(prop
)) {
415 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "'%s' "
416 "is readonly"), propname
);
417 (void) zfs_error(hdl
, EZFS_PROPREADONLY
, errbuf
);
421 if (zprop_parse_value(hdl
, elem
, prop
, ZFS_TYPE_POOL
, retprops
,
422 &strval
, &intval
, errbuf
) != 0)
426 * Perform additional checking for specific properties.
431 case ZPOOL_PROP_VERSION
:
432 if (intval
< version
|| intval
> SPA_VERSION
) {
433 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
434 "property '%s' number %d is invalid."),
436 (void) zfs_error(hdl
, EZFS_BADVERSION
, errbuf
);
441 case ZPOOL_PROP_ASHIFT
:
443 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
444 "property '%s' can only be set at "
445 "creation time"), propname
);
446 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
450 if (intval
!= 0 && (intval
< 9 || intval
> 13)) {
451 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
452 "property '%s' number %d is invalid."),
454 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
459 case ZPOOL_PROP_BOOTFS
:
460 if (flags
.create
|| flags
.import
) {
461 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
462 "property '%s' cannot be set at creation "
463 "or import time"), propname
);
464 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
468 if (version
< SPA_VERSION_BOOTFS
) {
469 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
470 "pool must be upgraded to support "
471 "'%s' property"), propname
);
472 (void) zfs_error(hdl
, EZFS_BADVERSION
, errbuf
);
477 * bootfs property value has to be a dataset name and
478 * the dataset has to be in the same pool as it sets to.
480 if (strval
[0] != '\0' && !bootfs_name_valid(poolname
,
482 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "'%s' "
483 "is an invalid name"), strval
);
484 (void) zfs_error(hdl
, EZFS_INVALIDNAME
, errbuf
);
488 if ((zhp
= zpool_open_canfail(hdl
, poolname
)) == NULL
) {
489 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
490 "could not open pool '%s'"), poolname
);
491 (void) zfs_error(hdl
, EZFS_OPENFAILED
, errbuf
);
494 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
495 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
497 #if defined(__sun__) || defined(__sun)
499 * bootfs property cannot be set on a disk which has
502 if (pool_uses_efi(nvroot
)) {
503 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
504 "property '%s' not supported on "
505 "EFI labeled devices"), propname
);
506 (void) zfs_error(hdl
, EZFS_POOL_NOTSUP
, errbuf
);
514 case ZPOOL_PROP_ALTROOT
:
515 if (!flags
.create
&& !flags
.import
) {
516 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
517 "property '%s' can only be set during pool "
518 "creation or import"), propname
);
519 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
523 if (strval
[0] != '/') {
524 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
525 "bad alternate root '%s'"), strval
);
526 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
531 case ZPOOL_PROP_CACHEFILE
:
532 if (strval
[0] == '\0')
535 if (strcmp(strval
, "none") == 0)
538 if (strval
[0] != '/') {
539 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
540 "property '%s' must be empty, an "
541 "absolute path, or 'none'"), propname
);
542 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
546 slash
= strrchr(strval
, '/');
548 if (slash
[1] == '\0' || strcmp(slash
, "/.") == 0 ||
549 strcmp(slash
, "/..") == 0) {
550 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
551 "'%s' is not a valid file"), strval
);
552 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
558 if (strval
[0] != '\0' &&
559 (stat64(strval
, &statbuf
) != 0 ||
560 !S_ISDIR(statbuf
.st_mode
))) {
561 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
562 "'%s' is not a valid directory"),
564 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
571 case ZPOOL_PROP_COMMENT
:
572 for (check
= strval
; *check
!= '\0'; check
++) {
573 if (!isprint(*check
)) {
575 dgettext(TEXT_DOMAIN
,
576 "comment may only have printable "
578 (void) zfs_error(hdl
, EZFS_BADPROP
,
583 if (strlen(strval
) > ZPROP_MAX_COMMENT
) {
584 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
585 "comment must not exceed %d characters"),
587 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
591 case ZPOOL_PROP_READONLY
:
593 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
594 "property '%s' can only be set at "
595 "import time"), propname
);
596 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
605 nvlist_free(retprops
);
610 * Set zpool property : propname=propval.
613 zpool_set_prop(zpool_handle_t
*zhp
, const char *propname
, const char *propval
)
615 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
618 nvlist_t
*nvl
= NULL
;
621 prop_flags_t flags
= { 0 };
623 (void) snprintf(errbuf
, sizeof (errbuf
),
624 dgettext(TEXT_DOMAIN
, "cannot set property for '%s'"),
627 if (nvlist_alloc(&nvl
, NV_UNIQUE_NAME
, 0) != 0)
628 return (no_memory(zhp
->zpool_hdl
));
630 if (nvlist_add_string(nvl
, propname
, propval
) != 0) {
632 return (no_memory(zhp
->zpool_hdl
));
635 version
= zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
);
636 if ((realprops
= zpool_valid_proplist(zhp
->zpool_hdl
,
637 zhp
->zpool_name
, nvl
, version
, flags
, errbuf
)) == NULL
) {
646 * Execute the corresponding ioctl() to set this property.
648 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
650 if (zcmd_write_src_nvlist(zhp
->zpool_hdl
, &zc
, nvl
) != 0) {
655 ret
= zfs_ioctl(zhp
->zpool_hdl
, ZFS_IOC_POOL_SET_PROPS
, &zc
);
657 zcmd_free_nvlists(&zc
);
661 (void) zpool_standard_error(zhp
->zpool_hdl
, errno
, errbuf
);
663 (void) zpool_props_refresh(zhp
);
669 zpool_expand_proplist(zpool_handle_t
*zhp
, zprop_list_t
**plp
)
671 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
673 char buf
[ZFS_MAXPROPLEN
];
675 if (zprop_expand_list(hdl
, plp
, ZFS_TYPE_POOL
) != 0)
678 for (entry
= *plp
; entry
!= NULL
; entry
= entry
->pl_next
) {
683 if (entry
->pl_prop
!= ZPROP_INVAL
&&
684 zpool_get_prop(zhp
, entry
->pl_prop
, buf
, sizeof (buf
),
686 if (strlen(buf
) > entry
->pl_width
)
687 entry
->pl_width
= strlen(buf
);
696 * Don't start the slice at the default block of 34; many storage
697 * devices will use a stripe width of 128k, other vendors prefer a 1m
698 * alignment. It is best to play it safe and ensure a 1m alignment
699 * given 512B blocks. When the block size is larger by a power of 2
700 * we will still be 1m aligned. Some devices are sensitive to the
701 * partition ending alignment as well.
703 #define NEW_START_BLOCK 2048
704 #define PARTITION_END_ALIGNMENT 2048
707 * Validate the given pool name, optionally putting an extended error message in
711 zpool_name_valid(libzfs_handle_t
*hdl
, boolean_t isopen
, const char *pool
)
717 ret
= pool_namecheck(pool
, &why
, &what
);
720 * The rules for reserved pool names were extended at a later point.
721 * But we need to support users with existing pools that may now be
722 * invalid. So we only check for this expanded set of names during a
723 * create (or import), and only in userland.
725 if (ret
== 0 && !isopen
&&
726 (strncmp(pool
, "mirror", 6) == 0 ||
727 strncmp(pool
, "raidz", 5) == 0 ||
728 strncmp(pool
, "spare", 5) == 0 ||
729 strcmp(pool
, "log") == 0)) {
732 dgettext(TEXT_DOMAIN
, "name is reserved"));
740 case NAME_ERR_TOOLONG
:
742 dgettext(TEXT_DOMAIN
, "name is too long"));
745 case NAME_ERR_INVALCHAR
:
747 dgettext(TEXT_DOMAIN
, "invalid character "
748 "'%c' in pool name"), what
);
751 case NAME_ERR_NOLETTER
:
752 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
753 "name must begin with a letter"));
756 case NAME_ERR_RESERVED
:
757 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
758 "name is reserved"));
761 case NAME_ERR_DISKLIKE
:
762 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
763 "pool name is reserved"));
766 case NAME_ERR_LEADING_SLASH
:
767 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
768 "leading slash in name"));
771 case NAME_ERR_EMPTY_COMPONENT
:
772 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
773 "empty component in name"));
776 case NAME_ERR_TRAILING_SLASH
:
777 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
778 "trailing slash in name"));
781 case NAME_ERR_MULTIPLE_AT
:
782 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
783 "multiple '@' delimiters in name"));
786 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
787 "permission set is missing '@'"));
798 * Open a handle to the given pool, even if the pool is currently in the FAULTED
802 zpool_open_canfail(libzfs_handle_t
*hdl
, const char *pool
)
808 * Make sure the pool name is valid.
810 if (!zpool_name_valid(hdl
, B_TRUE
, pool
)) {
811 (void) zfs_error_fmt(hdl
, EZFS_INVALIDNAME
,
812 dgettext(TEXT_DOMAIN
, "cannot open '%s'"),
817 if ((zhp
= zfs_alloc(hdl
, sizeof (zpool_handle_t
))) == NULL
)
820 zhp
->zpool_hdl
= hdl
;
821 (void) strlcpy(zhp
->zpool_name
, pool
, sizeof (zhp
->zpool_name
));
823 if (zpool_refresh_stats(zhp
, &missing
) != 0) {
829 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "no such pool"));
830 (void) zfs_error_fmt(hdl
, EZFS_NOENT
,
831 dgettext(TEXT_DOMAIN
, "cannot open '%s'"), pool
);
840 * Like the above, but silent on error. Used when iterating over pools (because
841 * the configuration cache may be out of date).
844 zpool_open_silent(libzfs_handle_t
*hdl
, const char *pool
, zpool_handle_t
**ret
)
849 if ((zhp
= zfs_alloc(hdl
, sizeof (zpool_handle_t
))) == NULL
)
852 zhp
->zpool_hdl
= hdl
;
853 (void) strlcpy(zhp
->zpool_name
, pool
, sizeof (zhp
->zpool_name
));
855 if (zpool_refresh_stats(zhp
, &missing
) != 0) {
871 * Similar to zpool_open_canfail(), but refuses to open pools in the faulted
875 zpool_open(libzfs_handle_t
*hdl
, const char *pool
)
879 if ((zhp
= zpool_open_canfail(hdl
, pool
)) == NULL
)
882 if (zhp
->zpool_state
== POOL_STATE_UNAVAIL
) {
883 (void) zfs_error_fmt(hdl
, EZFS_POOLUNAVAIL
,
884 dgettext(TEXT_DOMAIN
, "cannot open '%s'"), zhp
->zpool_name
);
893 * Close the handle. Simply frees the memory associated with the handle.
896 zpool_close(zpool_handle_t
*zhp
)
898 if (zhp
->zpool_config
)
899 nvlist_free(zhp
->zpool_config
);
900 if (zhp
->zpool_old_config
)
901 nvlist_free(zhp
->zpool_old_config
);
902 if (zhp
->zpool_props
)
903 nvlist_free(zhp
->zpool_props
);
908 * Return the name of the pool.
911 zpool_get_name(zpool_handle_t
*zhp
)
913 return (zhp
->zpool_name
);
918 * Return the state of the pool (ACTIVE or UNAVAILABLE)
921 zpool_get_state(zpool_handle_t
*zhp
)
923 return (zhp
->zpool_state
);
927 * Create the named pool, using the provided vdev list. It is assumed
928 * that the consumer has already validated the contents of the nvlist, so we
929 * don't have to worry about error semantics.
932 zpool_create(libzfs_handle_t
*hdl
, const char *pool
, nvlist_t
*nvroot
,
933 nvlist_t
*props
, nvlist_t
*fsprops
)
935 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
936 nvlist_t
*zc_fsprops
= NULL
;
937 nvlist_t
*zc_props
= NULL
;
942 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
943 "cannot create '%s'"), pool
);
945 if (!zpool_name_valid(hdl
, B_FALSE
, pool
))
946 return (zfs_error(hdl
, EZFS_INVALIDNAME
, msg
));
948 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
952 prop_flags_t flags
= { .create
= B_TRUE
, .import
= B_FALSE
};
954 if ((zc_props
= zpool_valid_proplist(hdl
, pool
, props
,
955 SPA_VERSION_1
, flags
, msg
)) == NULL
) {
964 zoned
= ((nvlist_lookup_string(fsprops
,
965 zfs_prop_to_name(ZFS_PROP_ZONED
), &zonestr
) == 0) &&
966 strcmp(zonestr
, "on") == 0);
968 if ((zc_fsprops
= zfs_valid_proplist(hdl
,
969 ZFS_TYPE_FILESYSTEM
, fsprops
, zoned
, NULL
, msg
)) == NULL
) {
973 (nvlist_alloc(&zc_props
, NV_UNIQUE_NAME
, 0) != 0)) {
976 if (nvlist_add_nvlist(zc_props
,
977 ZPOOL_ROOTFS_PROPS
, zc_fsprops
) != 0) {
982 if (zc_props
&& zcmd_write_src_nvlist(hdl
, &zc
, zc_props
) != 0)
985 (void) strlcpy(zc
.zc_name
, pool
, sizeof (zc
.zc_name
));
987 if ((ret
= zfs_ioctl(hdl
, ZFS_IOC_POOL_CREATE
, &zc
)) != 0) {
989 zcmd_free_nvlists(&zc
);
990 nvlist_free(zc_props
);
991 nvlist_free(zc_fsprops
);
996 * This can happen if the user has specified the same
997 * device multiple times. We can't reliably detect this
998 * until we try to add it and see we already have a
999 * label. This can also happen under if the device is
1000 * part of an active md or lvm device.
1002 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1003 "one or more vdevs refer to the same device, or one of\n"
1004 "the devices is part of an active md or lvm device"));
1005 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1009 * This occurs when one of the devices is below
1010 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1011 * device was the problem device since there's no
1012 * reliable way to determine device size from userland.
1017 zfs_nicenum(SPA_MINDEVSIZE
, buf
, sizeof (buf
));
1019 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1020 "one or more devices is less than the "
1021 "minimum size (%s)"), buf
);
1023 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1026 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1027 "one or more devices is out of space"));
1028 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1031 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1032 "cache device must be a disk or disk slice"));
1033 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1036 return (zpool_standard_error(hdl
, errno
, msg
));
1041 * If this is an alternate root pool, then we automatically set the
1042 * mountpoint of the root dataset to be '/'.
1044 if (nvlist_lookup_string(props
, zpool_prop_to_name(ZPOOL_PROP_ALTROOT
),
1048 verify((zhp
= zfs_open(hdl
, pool
, ZFS_TYPE_DATASET
)) != NULL
);
1049 verify(zfs_prop_set(zhp
, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT
),
1056 zcmd_free_nvlists(&zc
);
1057 nvlist_free(zc_props
);
1058 nvlist_free(zc_fsprops
);
1063 * Destroy the given pool. It is up to the caller to ensure that there are no
1064 * datasets left in the pool.
1067 zpool_destroy(zpool_handle_t
*zhp
)
1069 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1070 zfs_handle_t
*zfp
= NULL
;
1071 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1074 if (zhp
->zpool_state
== POOL_STATE_ACTIVE
&&
1075 (zfp
= zfs_open(hdl
, zhp
->zpool_name
, ZFS_TYPE_FILESYSTEM
)) == NULL
)
1078 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1080 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_DESTROY
, &zc
) != 0) {
1081 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1082 "cannot destroy '%s'"), zhp
->zpool_name
);
1084 if (errno
== EROFS
) {
1085 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1086 "one or more devices is read only"));
1087 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1089 (void) zpool_standard_error(hdl
, errno
, msg
);
1098 remove_mountpoint(zfp
);
1106 * Add the given vdevs to the pool. The caller must have already performed the
1107 * necessary verification to ensure that the vdev specification is well-formed.
1110 zpool_add(zpool_handle_t
*zhp
, nvlist_t
*nvroot
)
1112 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1114 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1116 nvlist_t
**spares
, **l2cache
;
1117 uint_t nspares
, nl2cache
;
1119 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1120 "cannot add to '%s'"), zhp
->zpool_name
);
1122 if (zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
) <
1123 SPA_VERSION_SPARES
&&
1124 nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_SPARES
,
1125 &spares
, &nspares
) == 0) {
1126 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "pool must be "
1127 "upgraded to add hot spares"));
1128 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
1131 if (zpool_is_bootable(zhp
) && nvlist_lookup_nvlist_array(nvroot
,
1132 ZPOOL_CONFIG_SPARES
, &spares
, &nspares
) == 0) {
1135 for (s
= 0; s
< nspares
; s
++) {
1138 if (nvlist_lookup_string(spares
[s
], ZPOOL_CONFIG_PATH
,
1139 &path
) == 0 && pool_uses_efi(spares
[s
])) {
1140 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1141 "device '%s' contains an EFI label and "
1142 "cannot be used on root pools."),
1143 zpool_vdev_name(hdl
, NULL
, spares
[s
],
1145 return (zfs_error(hdl
, EZFS_POOL_NOTSUP
, msg
));
1150 if (zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
) <
1151 SPA_VERSION_L2CACHE
&&
1152 nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_L2CACHE
,
1153 &l2cache
, &nl2cache
) == 0) {
1154 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "pool must be "
1155 "upgraded to add cache devices"));
1156 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
1159 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
1161 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1163 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_ADD
, &zc
) != 0) {
1167 * This can happen if the user has specified the same
1168 * device multiple times. We can't reliably detect this
1169 * until we try to add it and see we already have a
1172 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1173 "one or more vdevs refer to the same device"));
1174 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1179 * This occurrs when one of the devices is below
1180 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1181 * device was the problem device since there's no
1182 * reliable way to determine device size from userland.
1187 zfs_nicenum(SPA_MINDEVSIZE
, buf
, sizeof (buf
));
1189 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1190 "device is less than the minimum "
1193 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1197 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1198 "pool must be upgraded to add these vdevs"));
1199 (void) zfs_error(hdl
, EZFS_BADVERSION
, msg
);
1203 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1204 "root pool can not have multiple vdevs"
1205 " or separate logs"));
1206 (void) zfs_error(hdl
, EZFS_POOL_NOTSUP
, msg
);
1210 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1211 "cache device must be a disk or disk slice"));
1212 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1216 (void) zpool_standard_error(hdl
, errno
, msg
);
1224 zcmd_free_nvlists(&zc
);
1230 * Exports the pool from the system. The caller must ensure that there are no
1231 * mounted datasets in the pool.
1234 zpool_export_common(zpool_handle_t
*zhp
, boolean_t force
, boolean_t hardforce
)
1236 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1239 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1240 "cannot export '%s'"), zhp
->zpool_name
);
1242 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1243 zc
.zc_cookie
= force
;
1244 zc
.zc_guid
= hardforce
;
1246 if (zfs_ioctl(zhp
->zpool_hdl
, ZFS_IOC_POOL_EXPORT
, &zc
) != 0) {
1249 zfs_error_aux(zhp
->zpool_hdl
, dgettext(TEXT_DOMAIN
,
1250 "use '-f' to override the following errors:\n"
1251 "'%s' has an active shared spare which could be"
1252 " used by other pools once '%s' is exported."),
1253 zhp
->zpool_name
, zhp
->zpool_name
);
1254 return (zfs_error(zhp
->zpool_hdl
, EZFS_ACTIVE_SPARE
,
1257 return (zpool_standard_error_fmt(zhp
->zpool_hdl
, errno
,
1266 zpool_export(zpool_handle_t
*zhp
, boolean_t force
)
1268 return (zpool_export_common(zhp
, force
, B_FALSE
));
1272 zpool_export_force(zpool_handle_t
*zhp
)
1274 return (zpool_export_common(zhp
, B_TRUE
, B_TRUE
));
1278 zpool_rewind_exclaim(libzfs_handle_t
*hdl
, const char *name
, boolean_t dryrun
,
1281 nvlist_t
*nv
= NULL
;
1287 if (!hdl
->libzfs_printerr
|| config
== NULL
)
1290 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nv
) != 0)
1293 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_TIME
, &rewindto
) != 0)
1295 (void) nvlist_lookup_int64(nv
, ZPOOL_CONFIG_REWIND_TIME
, &loss
);
1297 if (localtime_r((time_t *)&rewindto
, &t
) != NULL
&&
1298 strftime(timestr
, 128, "%c", &t
) != 0) {
1300 (void) printf(dgettext(TEXT_DOMAIN
,
1301 "Would be able to return %s "
1302 "to its state as of %s.\n"),
1305 (void) printf(dgettext(TEXT_DOMAIN
,
1306 "Pool %s returned to its state as of %s.\n"),
1310 (void) printf(dgettext(TEXT_DOMAIN
,
1311 "%s approximately %lld "),
1312 dryrun
? "Would discard" : "Discarded",
1313 ((longlong_t
)loss
+ 30) / 60);
1314 (void) printf(dgettext(TEXT_DOMAIN
,
1315 "minutes of transactions.\n"));
1316 } else if (loss
> 0) {
1317 (void) printf(dgettext(TEXT_DOMAIN
,
1318 "%s approximately %lld "),
1319 dryrun
? "Would discard" : "Discarded",
1321 (void) printf(dgettext(TEXT_DOMAIN
,
1322 "seconds of transactions.\n"));
1328 zpool_explain_recover(libzfs_handle_t
*hdl
, const char *name
, int reason
,
1331 nvlist_t
*nv
= NULL
;
1333 uint64_t edata
= UINT64_MAX
;
1338 if (!hdl
->libzfs_printerr
)
1342 (void) printf(dgettext(TEXT_DOMAIN
, "action: "));
1344 (void) printf(dgettext(TEXT_DOMAIN
, "\t"));
1346 /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */
1347 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nv
) != 0 ||
1348 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_TIME
, &rewindto
) != 0)
1351 (void) nvlist_lookup_int64(nv
, ZPOOL_CONFIG_REWIND_TIME
, &loss
);
1352 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_DATA_ERRORS
,
1355 (void) printf(dgettext(TEXT_DOMAIN
,
1356 "Recovery is possible, but will result in some data loss.\n"));
1358 if (localtime_r((time_t *)&rewindto
, &t
) != NULL
&&
1359 strftime(timestr
, 128, "%c", &t
) != 0) {
1360 (void) printf(dgettext(TEXT_DOMAIN
,
1361 "\tReturning the pool to its state as of %s\n"
1362 "\tshould correct the problem. "),
1365 (void) printf(dgettext(TEXT_DOMAIN
,
1366 "\tReverting the pool to an earlier state "
1367 "should correct the problem.\n\t"));
1371 (void) printf(dgettext(TEXT_DOMAIN
,
1372 "Approximately %lld minutes of data\n"
1373 "\tmust be discarded, irreversibly. "),
1374 ((longlong_t
)loss
+ 30) / 60);
1375 } else if (loss
> 0) {
1376 (void) printf(dgettext(TEXT_DOMAIN
,
1377 "Approximately %lld seconds of data\n"
1378 "\tmust be discarded, irreversibly. "),
1381 if (edata
!= 0 && edata
!= UINT64_MAX
) {
1383 (void) printf(dgettext(TEXT_DOMAIN
,
1384 "After rewind, at least\n"
1385 "\tone persistent user-data error will remain. "));
1387 (void) printf(dgettext(TEXT_DOMAIN
,
1388 "After rewind, several\n"
1389 "\tpersistent user-data errors will remain. "));
1392 (void) printf(dgettext(TEXT_DOMAIN
,
1393 "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "),
1394 reason
>= 0 ? "clear" : "import", name
);
1396 (void) printf(dgettext(TEXT_DOMAIN
,
1397 "A scrub of the pool\n"
1398 "\tis strongly recommended after recovery.\n"));
1402 (void) printf(dgettext(TEXT_DOMAIN
,
1403 "Destroy and re-create the pool from\n\ta backup source.\n"));
1407 * zpool_import() is a contracted interface. Should be kept the same
1410 * Applications should use zpool_import_props() to import a pool with
1411 * new properties value to be set.
1414 zpool_import(libzfs_handle_t
*hdl
, nvlist_t
*config
, const char *newname
,
1417 nvlist_t
*props
= NULL
;
1420 if (altroot
!= NULL
) {
1421 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0) {
1422 return (zfs_error_fmt(hdl
, EZFS_NOMEM
,
1423 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1427 if (nvlist_add_string(props
,
1428 zpool_prop_to_name(ZPOOL_PROP_ALTROOT
), altroot
) != 0 ||
1429 nvlist_add_string(props
,
1430 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE
), "none") != 0) {
1432 return (zfs_error_fmt(hdl
, EZFS_NOMEM
,
1433 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1438 ret
= zpool_import_props(hdl
, config
, newname
, props
,
1446 print_vdev_tree(libzfs_handle_t
*hdl
, const char *name
, nvlist_t
*nv
,
1452 uint64_t is_log
= 0;
1454 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_IS_LOG
,
1458 (void) printf("\t%*s%s%s\n", indent
, "", name
,
1459 is_log
? " [log]" : "");
1461 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_CHILDREN
,
1462 &child
, &children
) != 0)
1465 for (c
= 0; c
< children
; c
++) {
1466 vname
= zpool_vdev_name(hdl
, NULL
, child
[c
], B_TRUE
);
1467 print_vdev_tree(hdl
, vname
, child
[c
], indent
+ 2);
1473 * Import the given pool using the known configuration and a list of
1474 * properties to be set. The configuration should have come from
1475 * zpool_find_import(). The 'newname' parameters control whether the pool
1476 * is imported with a different name.
1479 zpool_import_props(libzfs_handle_t
*hdl
, nvlist_t
*config
, const char *newname
,
1480 nvlist_t
*props
, int flags
)
1482 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1483 zpool_rewind_policy_t policy
;
1484 nvlist_t
*nv
= NULL
;
1485 nvlist_t
*nvinfo
= NULL
;
1486 nvlist_t
*missing
= NULL
;
1493 verify(nvlist_lookup_string(config
, ZPOOL_CONFIG_POOL_NAME
,
1496 (void) snprintf(errbuf
, sizeof (errbuf
), dgettext(TEXT_DOMAIN
,
1497 "cannot import pool '%s'"), origname
);
1499 if (newname
!= NULL
) {
1500 if (!zpool_name_valid(hdl
, B_FALSE
, newname
))
1501 return (zfs_error_fmt(hdl
, EZFS_INVALIDNAME
,
1502 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1504 thename
= (char *)newname
;
1511 prop_flags_t flags
= { .create
= B_FALSE
, .import
= B_TRUE
};
1513 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_VERSION
,
1516 if ((props
= zpool_valid_proplist(hdl
, origname
,
1517 props
, version
, flags
, errbuf
)) == NULL
) {
1519 } else if (zcmd_write_src_nvlist(hdl
, &zc
, props
) != 0) {
1525 (void) strlcpy(zc
.zc_name
, thename
, sizeof (zc
.zc_name
));
1527 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_POOL_GUID
,
1530 if (zcmd_write_conf_nvlist(hdl
, &zc
, config
) != 0) {
1534 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, zc
.zc_nvlist_conf_size
* 2) != 0) {
1539 zc
.zc_cookie
= flags
;
1540 while ((ret
= zfs_ioctl(hdl
, ZFS_IOC_POOL_IMPORT
, &zc
)) != 0 &&
1542 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
1543 zcmd_free_nvlists(&zc
);
1550 (void) zcmd_read_dst_nvlist(hdl
, &zc
, &nv
);
1551 zpool_get_rewind_policy(config
, &policy
);
1557 * Dry-run failed, but we print out what success
1558 * looks like if we found a best txg
1560 if (policy
.zrp_request
& ZPOOL_TRY_REWIND
) {
1561 zpool_rewind_exclaim(hdl
, newname
? origname
: thename
,
1567 if (newname
== NULL
)
1568 (void) snprintf(desc
, sizeof (desc
),
1569 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1572 (void) snprintf(desc
, sizeof (desc
),
1573 dgettext(TEXT_DOMAIN
, "cannot import '%s' as '%s'"),
1579 * Unsupported version.
1581 (void) zfs_error(hdl
, EZFS_BADVERSION
, desc
);
1585 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, desc
);
1589 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1590 "one or more devices is read only"));
1591 (void) zfs_error(hdl
, EZFS_BADDEV
, desc
);
1595 if (nv
&& nvlist_lookup_nvlist(nv
,
1596 ZPOOL_CONFIG_LOAD_INFO
, &nvinfo
) == 0 &&
1597 nvlist_lookup_nvlist(nvinfo
,
1598 ZPOOL_CONFIG_MISSING_DEVICES
, &missing
) == 0) {
1599 (void) printf(dgettext(TEXT_DOMAIN
,
1600 "The devices below are missing, use "
1601 "'-m' to import the pool anyway:\n"));
1602 print_vdev_tree(hdl
, NULL
, missing
, 2);
1603 (void) printf("\n");
1605 (void) zpool_standard_error(hdl
, error
, desc
);
1609 (void) zpool_standard_error(hdl
, error
, desc
);
1613 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1614 "one or more devices are already in use\n"));
1615 (void) zfs_error(hdl
, EZFS_BADDEV
, desc
);
1619 (void) zpool_standard_error(hdl
, error
, desc
);
1620 zpool_explain_recover(hdl
,
1621 newname
? origname
: thename
, -error
, nv
);
1628 zpool_handle_t
*zhp
;
1631 * This should never fail, but play it safe anyway.
1633 if (zpool_open_silent(hdl
, thename
, &zhp
) != 0)
1635 else if (zhp
!= NULL
)
1637 if (policy
.zrp_request
&
1638 (ZPOOL_DO_REWIND
| ZPOOL_TRY_REWIND
)) {
1639 zpool_rewind_exclaim(hdl
, newname
? origname
: thename
,
1640 ((policy
.zrp_request
& ZPOOL_TRY_REWIND
) != 0), nv
);
1646 zcmd_free_nvlists(&zc
);
1656 zpool_scan(zpool_handle_t
*zhp
, pool_scan_func_t func
)
1658 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1660 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1662 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1663 zc
.zc_cookie
= func
;
1665 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_SCAN
, &zc
) == 0 ||
1666 (errno
== ENOENT
&& func
!= POOL_SCAN_NONE
))
1669 if (func
== POOL_SCAN_SCRUB
) {
1670 (void) snprintf(msg
, sizeof (msg
),
1671 dgettext(TEXT_DOMAIN
, "cannot scrub %s"), zc
.zc_name
);
1672 } else if (func
== POOL_SCAN_NONE
) {
1673 (void) snprintf(msg
, sizeof (msg
),
1674 dgettext(TEXT_DOMAIN
, "cannot cancel scrubbing %s"),
1677 assert(!"unexpected result");
1680 if (errno
== EBUSY
) {
1682 pool_scan_stat_t
*ps
= NULL
;
1685 verify(nvlist_lookup_nvlist(zhp
->zpool_config
,
1686 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
1687 (void) nvlist_lookup_uint64_array(nvroot
,
1688 ZPOOL_CONFIG_SCAN_STATS
, (uint64_t **)&ps
, &psc
);
1689 if (ps
&& ps
->pss_func
== POOL_SCAN_SCRUB
)
1690 return (zfs_error(hdl
, EZFS_SCRUBBING
, msg
));
1692 return (zfs_error(hdl
, EZFS_RESILVERING
, msg
));
1693 } else if (errno
== ENOENT
) {
1694 return (zfs_error(hdl
, EZFS_NO_SCRUB
, msg
));
1696 return (zpool_standard_error(hdl
, errno
, msg
));
1701 * Find a vdev that matches the search criteria specified. We use the
1702 * the nvpair name to determine how we should look for the device.
1703 * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
1704 * spare; but FALSE if its an INUSE spare.
1707 vdev_to_nvlist_iter(nvlist_t
*nv
, nvlist_t
*search
, boolean_t
*avail_spare
,
1708 boolean_t
*l2cache
, boolean_t
*log
)
1715 nvpair_t
*pair
= nvlist_next_nvpair(search
, NULL
);
1717 /* Nothing to look for */
1718 if (search
== NULL
|| pair
== NULL
)
1721 /* Obtain the key we will use to search */
1722 srchkey
= nvpair_name(pair
);
1724 switch (nvpair_type(pair
)) {
1725 case DATA_TYPE_UINT64
:
1726 if (strcmp(srchkey
, ZPOOL_CONFIG_GUID
) == 0) {
1727 uint64_t srchval
, theguid
;
1729 verify(nvpair_value_uint64(pair
, &srchval
) == 0);
1730 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
1732 if (theguid
== srchval
)
1737 case DATA_TYPE_STRING
: {
1738 char *srchval
, *val
;
1740 verify(nvpair_value_string(pair
, &srchval
) == 0);
1741 if (nvlist_lookup_string(nv
, srchkey
, &val
) != 0)
1745 * Search for the requested value. Special cases:
1747 * - ZPOOL_CONFIG_PATH for whole disk entries. These end in with a
1748 * partition suffix "1", "-part1", or "p1". The suffix is hidden
1749 * from the user, but included in the string, so this matches around
1751 * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE).
1753 * Otherwise, all other searches are simple string compares.
1755 if (strcmp(srchkey
, ZPOOL_CONFIG_PATH
) == 0) {
1756 uint64_t wholedisk
= 0;
1758 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_WHOLE_DISK
,
1761 char buf
[MAXPATHLEN
];
1763 zfs_append_partition(srchval
, buf
, sizeof (buf
));
1764 if (strcmp(val
, buf
) == 0)
1769 } else if (strcmp(srchkey
, ZPOOL_CONFIG_TYPE
) == 0 && val
) {
1770 char *type
, *idx
, *end
, *p
;
1771 uint64_t id
, vdev_id
;
1774 * Determine our vdev type, keeping in mind
1775 * that the srchval is composed of a type and
1776 * vdev id pair (i.e. mirror-4).
1778 if ((type
= strdup(srchval
)) == NULL
)
1781 if ((p
= strrchr(type
, '-')) == NULL
) {
1789 * If the types don't match then keep looking.
1791 if (strncmp(val
, type
, strlen(val
)) != 0) {
1796 verify(strncmp(type
, VDEV_TYPE_RAIDZ
,
1797 strlen(VDEV_TYPE_RAIDZ
)) == 0 ||
1798 strncmp(type
, VDEV_TYPE_MIRROR
,
1799 strlen(VDEV_TYPE_MIRROR
)) == 0);
1800 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_ID
,
1804 vdev_id
= strtoull(idx
, &end
, 10);
1811 * Now verify that we have the correct vdev id.
1820 if (strcmp(srchval
, val
) == 0)
1829 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_CHILDREN
,
1830 &child
, &children
) != 0)
1833 for (c
= 0; c
< children
; c
++) {
1834 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
1835 avail_spare
, l2cache
, NULL
)) != NULL
) {
1837 * The 'is_log' value is only set for the toplevel
1838 * vdev, not the leaf vdevs. So we always lookup the
1839 * log device from the root of the vdev tree (where
1840 * 'log' is non-NULL).
1843 nvlist_lookup_uint64(child
[c
],
1844 ZPOOL_CONFIG_IS_LOG
, &is_log
) == 0 &&
1852 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_SPARES
,
1853 &child
, &children
) == 0) {
1854 for (c
= 0; c
< children
; c
++) {
1855 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
1856 avail_spare
, l2cache
, NULL
)) != NULL
) {
1857 *avail_spare
= B_TRUE
;
1863 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_L2CACHE
,
1864 &child
, &children
) == 0) {
1865 for (c
= 0; c
< children
; c
++) {
1866 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
1867 avail_spare
, l2cache
, NULL
)) != NULL
) {
1878 * Given a physical path (minus the "/devices" prefix), find the
1882 zpool_find_vdev_by_physpath(zpool_handle_t
*zhp
, const char *ppath
,
1883 boolean_t
*avail_spare
, boolean_t
*l2cache
, boolean_t
*log
)
1885 nvlist_t
*search
, *nvroot
, *ret
;
1887 verify(nvlist_alloc(&search
, NV_UNIQUE_NAME
, KM_SLEEP
) == 0);
1888 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PHYS_PATH
, ppath
) == 0);
1890 verify(nvlist_lookup_nvlist(zhp
->zpool_config
, ZPOOL_CONFIG_VDEV_TREE
,
1893 *avail_spare
= B_FALSE
;
1897 ret
= vdev_to_nvlist_iter(nvroot
, search
, avail_spare
, l2cache
, log
);
1898 nvlist_free(search
);
1904 * Determine if we have an "interior" top-level vdev (i.e mirror/raidz).
1907 zpool_vdev_is_interior(const char *name
)
1909 if (strncmp(name
, VDEV_TYPE_RAIDZ
, strlen(VDEV_TYPE_RAIDZ
)) == 0 ||
1910 strncmp(name
, VDEV_TYPE_MIRROR
, strlen(VDEV_TYPE_MIRROR
)) == 0)
1916 zpool_find_vdev(zpool_handle_t
*zhp
, const char *path
, boolean_t
*avail_spare
,
1917 boolean_t
*l2cache
, boolean_t
*log
)
1919 char buf
[MAXPATHLEN
];
1921 nvlist_t
*nvroot
, *search
, *ret
;
1924 verify(nvlist_alloc(&search
, NV_UNIQUE_NAME
, KM_SLEEP
) == 0);
1926 guid
= strtoull(path
, &end
, 10);
1927 if (guid
!= 0 && *end
== '\0') {
1928 verify(nvlist_add_uint64(search
, ZPOOL_CONFIG_GUID
, guid
) == 0);
1929 } else if (zpool_vdev_is_interior(path
)) {
1930 verify(nvlist_add_string(search
, ZPOOL_CONFIG_TYPE
, path
) == 0);
1931 } else if (path
[0] != '/') {
1932 if (zfs_resolve_shortname(path
, buf
, sizeof (buf
)) < 0) {
1933 nvlist_free(search
);
1936 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PATH
, buf
) == 0);
1938 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PATH
, path
) == 0);
1941 verify(nvlist_lookup_nvlist(zhp
->zpool_config
, ZPOOL_CONFIG_VDEV_TREE
,
1944 *avail_spare
= B_FALSE
;
1948 ret
= vdev_to_nvlist_iter(nvroot
, search
, avail_spare
, l2cache
, log
);
1949 nvlist_free(search
);
1955 vdev_online(nvlist_t
*nv
)
1959 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_OFFLINE
, &ival
) == 0 ||
1960 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_FAULTED
, &ival
) == 0 ||
1961 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_REMOVED
, &ival
) == 0)
1968 * Helper function for zpool_get_physpaths().
1971 vdev_get_one_physpath(nvlist_t
*config
, char *physpath
, size_t physpath_size
,
1972 size_t *bytes_written
)
1974 size_t bytes_left
, pos
, rsz
;
1978 if (nvlist_lookup_string(config
, ZPOOL_CONFIG_PHYS_PATH
,
1980 return (EZFS_NODEVICE
);
1982 pos
= *bytes_written
;
1983 bytes_left
= physpath_size
- pos
;
1984 format
= (pos
== 0) ? "%s" : " %s";
1986 rsz
= snprintf(physpath
+ pos
, bytes_left
, format
, tmppath
);
1987 *bytes_written
+= rsz
;
1989 if (rsz
>= bytes_left
) {
1990 /* if physpath was not copied properly, clear it */
1991 if (bytes_left
!= 0) {
1994 return (EZFS_NOSPC
);
2000 vdev_get_physpaths(nvlist_t
*nv
, char *physpath
, size_t phypath_size
,
2001 size_t *rsz
, boolean_t is_spare
)
2006 if (nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &type
) != 0)
2007 return (EZFS_INVALCONFIG
);
2009 if (strcmp(type
, VDEV_TYPE_DISK
) == 0) {
2011 * An active spare device has ZPOOL_CONFIG_IS_SPARE set.
2012 * For a spare vdev, we only want to boot from the active
2017 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_IS_SPARE
,
2020 return (EZFS_INVALCONFIG
);
2023 if (vdev_online(nv
)) {
2024 if ((ret
= vdev_get_one_physpath(nv
, physpath
,
2025 phypath_size
, rsz
)) != 0)
2028 } else if (strcmp(type
, VDEV_TYPE_MIRROR
) == 0 ||
2029 strcmp(type
, VDEV_TYPE_REPLACING
) == 0 ||
2030 (is_spare
= (strcmp(type
, VDEV_TYPE_SPARE
) == 0))) {
2035 if (nvlist_lookup_nvlist_array(nv
,
2036 ZPOOL_CONFIG_CHILDREN
, &child
, &count
) != 0)
2037 return (EZFS_INVALCONFIG
);
2039 for (i
= 0; i
< count
; i
++) {
2040 ret
= vdev_get_physpaths(child
[i
], physpath
,
2041 phypath_size
, rsz
, is_spare
);
2042 if (ret
== EZFS_NOSPC
)
2047 return (EZFS_POOL_INVALARG
);
2051 * Get phys_path for a root pool config.
2052 * Return 0 on success; non-zero on failure.
2055 zpool_get_config_physpath(nvlist_t
*config
, char *physpath
, size_t phypath_size
)
2058 nvlist_t
*vdev_root
;
2065 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_VDEV_TREE
,
2067 return (EZFS_INVALCONFIG
);
2069 if (nvlist_lookup_string(vdev_root
, ZPOOL_CONFIG_TYPE
, &type
) != 0 ||
2070 nvlist_lookup_nvlist_array(vdev_root
, ZPOOL_CONFIG_CHILDREN
,
2071 &child
, &count
) != 0)
2072 return (EZFS_INVALCONFIG
);
2075 * root pool can not have EFI labeled disks and can only have
2076 * a single top-level vdev.
2078 if (strcmp(type
, VDEV_TYPE_ROOT
) != 0 || count
!= 1 ||
2079 pool_uses_efi(vdev_root
))
2080 return (EZFS_POOL_INVALARG
);
2082 (void) vdev_get_physpaths(child
[0], physpath
, phypath_size
, &rsz
,
2085 /* No online devices */
2087 return (EZFS_NODEVICE
);
2093 * Get phys_path for a root pool
2094 * Return 0 on success; non-zero on failure.
2097 zpool_get_physpath(zpool_handle_t
*zhp
, char *physpath
, size_t phypath_size
)
2099 return (zpool_get_config_physpath(zhp
->zpool_config
, physpath
,
2104 * If the device has being dynamically expanded then we need to relabel
2105 * the disk to use the new unallocated space.
2108 zpool_relabel_disk(libzfs_handle_t
*hdl
, const char *path
, const char *msg
)
2112 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0) {
2113 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
2114 "relabel '%s': unable to open device: %d"), path
, errno
);
2115 return (zfs_error(hdl
, EZFS_OPENFAILED
, msg
));
2119 * It's possible that we might encounter an error if the device
2120 * does not have any unallocated space left. If so, we simply
2121 * ignore that error and continue on.
2123 * Also, we don't call efi_rescan() - that would just return EBUSY.
2124 * The module will do it for us in vdev_disk_open().
2126 error
= efi_use_whole_disk(fd
);
2128 if (error
&& error
!= VT_ENOSPC
) {
2129 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
2130 "relabel '%s': unable to read disk capacity"), path
);
2131 return (zfs_error(hdl
, EZFS_NOCAP
, msg
));
2137 * Bring the specified vdev online. The 'flags' parameter is a set of the
2138 * ZFS_ONLINE_* flags.
2141 zpool_vdev_online(zpool_handle_t
*zhp
, const char *path
, int flags
,
2142 vdev_state_t
*newstate
)
2144 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2147 boolean_t avail_spare
, l2cache
, islog
;
2148 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2151 if (flags
& ZFS_ONLINE_EXPAND
) {
2152 (void) snprintf(msg
, sizeof (msg
),
2153 dgettext(TEXT_DOMAIN
, "cannot expand %s"), path
);
2155 (void) snprintf(msg
, sizeof (msg
),
2156 dgettext(TEXT_DOMAIN
, "cannot online %s"), path
);
2159 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2160 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2162 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2164 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2167 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2169 if (flags
& ZFS_ONLINE_EXPAND
||
2170 zpool_get_prop_int(zhp
, ZPOOL_PROP_AUTOEXPAND
, NULL
)) {
2171 uint64_t wholedisk
= 0;
2173 (void) nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_WHOLE_DISK
,
2177 * XXX - L2ARC 1.0 devices can't support expansion.
2180 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2181 "cannot expand cache devices"));
2182 return (zfs_error(hdl
, EZFS_VDEVNOTSUP
, msg
));
2186 const char *fullpath
= path
;
2187 char buf
[MAXPATHLEN
];
2189 if (path
[0] != '/') {
2190 error
= zfs_resolve_shortname(path
, buf
,
2193 return (zfs_error(hdl
, EZFS_NODEVICE
,
2199 error
= zpool_relabel_disk(hdl
, fullpath
, msg
);
2205 zc
.zc_cookie
= VDEV_STATE_ONLINE
;
2208 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SET_STATE
, &zc
) != 0) {
2209 if (errno
== EINVAL
) {
2210 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "was split "
2211 "from this pool into a new one. Use '%s' "
2212 "instead"), "zpool detach");
2213 return (zfs_error(hdl
, EZFS_POSTSPLIT_ONLINE
, msg
));
2215 return (zpool_standard_error(hdl
, errno
, msg
));
2218 *newstate
= zc
.zc_cookie
;
2223 * Take the specified vdev offline
2226 zpool_vdev_offline(zpool_handle_t
*zhp
, const char *path
, boolean_t istmp
)
2228 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2231 boolean_t avail_spare
, l2cache
;
2232 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2234 (void) snprintf(msg
, sizeof (msg
),
2235 dgettext(TEXT_DOMAIN
, "cannot offline %s"), path
);
2237 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2238 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2240 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2242 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2245 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2247 zc
.zc_cookie
= VDEV_STATE_OFFLINE
;
2248 zc
.zc_obj
= istmp
? ZFS_OFFLINE_TEMPORARY
: 0;
2250 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2257 * There are no other replicas of this device.
2259 return (zfs_error(hdl
, EZFS_NOREPLICAS
, msg
));
2263 * The log device has unplayed logs
2265 return (zfs_error(hdl
, EZFS_UNPLAYED_LOGS
, msg
));
2268 return (zpool_standard_error(hdl
, errno
, msg
));
2273 * Mark the given vdev faulted.
2276 zpool_vdev_fault(zpool_handle_t
*zhp
, uint64_t guid
, vdev_aux_t aux
)
2278 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2280 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2282 (void) snprintf(msg
, sizeof (msg
),
2283 dgettext(TEXT_DOMAIN
, "cannot fault %llu"), (u_longlong_t
)guid
);
2285 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2287 zc
.zc_cookie
= VDEV_STATE_FAULTED
;
2290 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2297 * There are no other replicas of this device.
2299 return (zfs_error(hdl
, EZFS_NOREPLICAS
, msg
));
2302 return (zpool_standard_error(hdl
, errno
, msg
));
2308 * Mark the given vdev degraded.
2311 zpool_vdev_degrade(zpool_handle_t
*zhp
, uint64_t guid
, vdev_aux_t aux
)
2313 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2315 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2317 (void) snprintf(msg
, sizeof (msg
),
2318 dgettext(TEXT_DOMAIN
, "cannot degrade %llu"), (u_longlong_t
)guid
);
2320 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2322 zc
.zc_cookie
= VDEV_STATE_DEGRADED
;
2325 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2328 return (zpool_standard_error(hdl
, errno
, msg
));
2332 * Returns TRUE if the given nvlist is a vdev that was originally swapped in as
2336 is_replacing_spare(nvlist_t
*search
, nvlist_t
*tgt
, int which
)
2342 if (nvlist_lookup_nvlist_array(search
, ZPOOL_CONFIG_CHILDREN
, &child
,
2344 verify(nvlist_lookup_string(search
, ZPOOL_CONFIG_TYPE
,
2347 if (strcmp(type
, VDEV_TYPE_SPARE
) == 0 &&
2348 children
== 2 && child
[which
] == tgt
)
2351 for (c
= 0; c
< children
; c
++)
2352 if (is_replacing_spare(child
[c
], tgt
, which
))
2360 * Attach new_disk (fully described by nvroot) to old_disk.
2361 * If 'replacing' is specified, the new disk will replace the old one.
2364 zpool_vdev_attach(zpool_handle_t
*zhp
,
2365 const char *old_disk
, const char *new_disk
, nvlist_t
*nvroot
, int replacing
)
2367 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2371 boolean_t avail_spare
, l2cache
, islog
;
2376 nvlist_t
*config_root
;
2377 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2378 boolean_t rootpool
= zpool_is_bootable(zhp
);
2381 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2382 "cannot replace %s with %s"), old_disk
, new_disk
);
2384 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2385 "cannot attach %s to %s"), new_disk
, old_disk
);
2388 * If this is a root pool, make sure that we're not attaching an
2389 * EFI labeled device.
2391 if (rootpool
&& pool_uses_efi(nvroot
)) {
2392 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2393 "EFI labeled devices are not supported on root pools."));
2394 return (zfs_error(hdl
, EZFS_POOL_NOTSUP
, msg
));
2397 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2398 if ((tgt
= zpool_find_vdev(zhp
, old_disk
, &avail_spare
, &l2cache
,
2400 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2403 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2406 return (zfs_error(hdl
, EZFS_ISL2CACHE
, msg
));
2408 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2409 zc
.zc_cookie
= replacing
;
2411 if (nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_CHILDREN
,
2412 &child
, &children
) != 0 || children
!= 1) {
2413 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2414 "new device must be a single disk"));
2415 return (zfs_error(hdl
, EZFS_INVALCONFIG
, msg
));
2418 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
2419 ZPOOL_CONFIG_VDEV_TREE
, &config_root
) == 0);
2421 if ((newname
= zpool_vdev_name(NULL
, NULL
, child
[0], B_FALSE
)) == NULL
)
2425 * If the target is a hot spare that has been swapped in, we can only
2426 * replace it with another hot spare.
2429 nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_IS_SPARE
, &val
) == 0 &&
2430 (zpool_find_vdev(zhp
, newname
, &avail_spare
, &l2cache
,
2431 NULL
) == NULL
|| !avail_spare
) &&
2432 is_replacing_spare(config_root
, tgt
, 1)) {
2433 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2434 "can only be replaced by another hot spare"));
2436 return (zfs_error(hdl
, EZFS_BADTARGET
, msg
));
2441 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
2444 ret
= zfs_ioctl(hdl
, ZFS_IOC_VDEV_ATTACH
, &zc
);
2446 zcmd_free_nvlists(&zc
);
2451 * XXX need a better way to prevent user from
2452 * booting up a half-baked vdev.
2454 (void) fprintf(stderr
, dgettext(TEXT_DOMAIN
, "Make "
2455 "sure to wait until resilver is done "
2456 "before rebooting.\n"));
2464 * Can't attach to or replace this type of vdev.
2467 uint64_t version
= zpool_get_prop_int(zhp
,
2468 ZPOOL_PROP_VERSION
, NULL
);
2471 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2472 "cannot replace a log with a spare"));
2473 else if (version
>= SPA_VERSION_MULTI_REPLACE
)
2474 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2475 "already in replacing/spare config; wait "
2476 "for completion or use 'zpool detach'"));
2478 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2479 "cannot replace a replacing device"));
2481 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2482 "can only attach to mirrors and top-level "
2485 (void) zfs_error(hdl
, EZFS_BADTARGET
, msg
);
2490 * The new device must be a single disk.
2492 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2493 "new device must be a single disk"));
2494 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
2498 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "%s is busy"),
2500 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
2505 * The new device is too small.
2507 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2508 "device is too small"));
2509 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
2514 * The new device has a different alignment requirement.
2516 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2517 "devices have different sector alignment"));
2518 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
2523 * The resulting top-level vdev spec won't fit in the label.
2525 (void) zfs_error(hdl
, EZFS_DEVOVERFLOW
, msg
);
2529 (void) zpool_standard_error(hdl
, errno
, msg
);
2536 * Detach the specified device.
2539 zpool_vdev_detach(zpool_handle_t
*zhp
, const char *path
)
2541 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2544 boolean_t avail_spare
, l2cache
;
2545 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2547 (void) snprintf(msg
, sizeof (msg
),
2548 dgettext(TEXT_DOMAIN
, "cannot detach %s"), path
);
2550 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2551 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2553 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2556 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2559 return (zfs_error(hdl
, EZFS_ISL2CACHE
, msg
));
2561 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2563 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_DETACH
, &zc
) == 0)
2570 * Can't detach from this type of vdev.
2572 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "only "
2573 "applicable to mirror and replacing vdevs"));
2574 (void) zfs_error(hdl
, EZFS_BADTARGET
, msg
);
2579 * There are no other replicas of this device.
2581 (void) zfs_error(hdl
, EZFS_NOREPLICAS
, msg
);
2585 (void) zpool_standard_error(hdl
, errno
, msg
);
2592 * Find a mirror vdev in the source nvlist.
2594 * The mchild array contains a list of disks in one of the top-level mirrors
2595 * of the source pool. The schild array contains a list of disks that the
2596 * user specified on the command line. We loop over the mchild array to
2597 * see if any entry in the schild array matches.
2599 * If a disk in the mchild array is found in the schild array, we return
2600 * the index of that entry. Otherwise we return -1.
2603 find_vdev_entry(zpool_handle_t
*zhp
, nvlist_t
**mchild
, uint_t mchildren
,
2604 nvlist_t
**schild
, uint_t schildren
)
2608 for (mc
= 0; mc
< mchildren
; mc
++) {
2610 char *mpath
= zpool_vdev_name(zhp
->zpool_hdl
, zhp
,
2611 mchild
[mc
], B_FALSE
);
2613 for (sc
= 0; sc
< schildren
; sc
++) {
2614 char *spath
= zpool_vdev_name(zhp
->zpool_hdl
, zhp
,
2615 schild
[sc
], B_FALSE
);
2616 boolean_t result
= (strcmp(mpath
, spath
) == 0);
2632 * Split a mirror pool. If newroot points to null, then a new nvlist
2633 * is generated and it is the responsibility of the caller to free it.
2636 zpool_vdev_split(zpool_handle_t
*zhp
, char *newname
, nvlist_t
**newroot
,
2637 nvlist_t
*props
, splitflags_t flags
)
2639 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2641 nvlist_t
*tree
, *config
, **child
, **newchild
, *newconfig
= NULL
;
2642 nvlist_t
**varray
= NULL
, *zc_props
= NULL
;
2643 uint_t c
, children
, newchildren
, lastlog
= 0, vcount
, found
= 0;
2644 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2646 boolean_t freelist
= B_FALSE
, memory_err
= B_TRUE
;
2649 (void) snprintf(msg
, sizeof (msg
),
2650 dgettext(TEXT_DOMAIN
, "Unable to split %s"), zhp
->zpool_name
);
2652 if (!zpool_name_valid(hdl
, B_FALSE
, newname
))
2653 return (zfs_error(hdl
, EZFS_INVALIDNAME
, msg
));
2655 if ((config
= zpool_get_config(zhp
, NULL
)) == NULL
) {
2656 (void) fprintf(stderr
, gettext("Internal error: unable to "
2657 "retrieve pool configuration\n"));
2661 verify(nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_VDEV_TREE
, &tree
)
2663 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_VERSION
, &vers
) == 0);
2666 prop_flags_t flags
= { .create
= B_FALSE
, .import
= B_TRUE
};
2667 if ((zc_props
= zpool_valid_proplist(hdl
, zhp
->zpool_name
,
2668 props
, vers
, flags
, msg
)) == NULL
)
2672 if (nvlist_lookup_nvlist_array(tree
, ZPOOL_CONFIG_CHILDREN
, &child
,
2674 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2675 "Source pool is missing vdev tree"));
2677 nvlist_free(zc_props
);
2681 varray
= zfs_alloc(hdl
, children
* sizeof (nvlist_t
*));
2684 if (*newroot
== NULL
||
2685 nvlist_lookup_nvlist_array(*newroot
, ZPOOL_CONFIG_CHILDREN
,
2686 &newchild
, &newchildren
) != 0)
2689 for (c
= 0; c
< children
; c
++) {
2690 uint64_t is_log
= B_FALSE
, is_hole
= B_FALSE
;
2692 nvlist_t
**mchild
, *vdev
;
2697 * Unlike cache & spares, slogs are stored in the
2698 * ZPOOL_CONFIG_CHILDREN array. We filter them out here.
2700 (void) nvlist_lookup_uint64(child
[c
], ZPOOL_CONFIG_IS_LOG
,
2702 (void) nvlist_lookup_uint64(child
[c
], ZPOOL_CONFIG_IS_HOLE
,
2704 if (is_log
|| is_hole
) {
2706 * Create a hole vdev and put it in the config.
2708 if (nvlist_alloc(&vdev
, NV_UNIQUE_NAME
, 0) != 0)
2710 if (nvlist_add_string(vdev
, ZPOOL_CONFIG_TYPE
,
2711 VDEV_TYPE_HOLE
) != 0)
2713 if (nvlist_add_uint64(vdev
, ZPOOL_CONFIG_IS_HOLE
,
2718 varray
[vcount
++] = vdev
;
2722 verify(nvlist_lookup_string(child
[c
], ZPOOL_CONFIG_TYPE
, &type
)
2724 if (strcmp(type
, VDEV_TYPE_MIRROR
) != 0) {
2725 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2726 "Source pool must be composed only of mirrors\n"));
2727 retval
= zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
2731 verify(nvlist_lookup_nvlist_array(child
[c
],
2732 ZPOOL_CONFIG_CHILDREN
, &mchild
, &mchildren
) == 0);
2734 /* find or add an entry for this top-level vdev */
2735 if (newchildren
> 0 &&
2736 (entry
= find_vdev_entry(zhp
, mchild
, mchildren
,
2737 newchild
, newchildren
)) >= 0) {
2738 /* We found a disk that the user specified. */
2739 vdev
= mchild
[entry
];
2742 /* User didn't specify a disk for this vdev. */
2743 vdev
= mchild
[mchildren
- 1];
2746 if (nvlist_dup(vdev
, &varray
[vcount
++], 0) != 0)
2750 /* did we find every disk the user specified? */
2751 if (found
!= newchildren
) {
2752 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "Device list must "
2753 "include at most one disk from each mirror"));
2754 retval
= zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
2758 /* Prepare the nvlist for populating. */
2759 if (*newroot
== NULL
) {
2760 if (nvlist_alloc(newroot
, NV_UNIQUE_NAME
, 0) != 0)
2763 if (nvlist_add_string(*newroot
, ZPOOL_CONFIG_TYPE
,
2764 VDEV_TYPE_ROOT
) != 0)
2767 verify(nvlist_remove_all(*newroot
, ZPOOL_CONFIG_CHILDREN
) == 0);
2770 /* Add all the children we found */
2771 if (nvlist_add_nvlist_array(*newroot
, ZPOOL_CONFIG_CHILDREN
, varray
,
2772 lastlog
== 0 ? vcount
: lastlog
) != 0)
2776 * If we're just doing a dry run, exit now with success.
2779 memory_err
= B_FALSE
;
2784 /* now build up the config list & call the ioctl */
2785 if (nvlist_alloc(&newconfig
, NV_UNIQUE_NAME
, 0) != 0)
2788 if (nvlist_add_nvlist(newconfig
,
2789 ZPOOL_CONFIG_VDEV_TREE
, *newroot
) != 0 ||
2790 nvlist_add_string(newconfig
,
2791 ZPOOL_CONFIG_POOL_NAME
, newname
) != 0 ||
2792 nvlist_add_uint64(newconfig
, ZPOOL_CONFIG_VERSION
, vers
) != 0)
2796 * The new pool is automatically part of the namespace unless we
2797 * explicitly export it.
2800 zc
.zc_cookie
= ZPOOL_EXPORT_AFTER_SPLIT
;
2801 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2802 (void) strlcpy(zc
.zc_string
, newname
, sizeof (zc
.zc_string
));
2803 if (zcmd_write_conf_nvlist(hdl
, &zc
, newconfig
) != 0)
2805 if (zc_props
!= NULL
&& zcmd_write_src_nvlist(hdl
, &zc
, zc_props
) != 0)
2808 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SPLIT
, &zc
) != 0) {
2809 retval
= zpool_standard_error(hdl
, errno
, msg
);
2814 memory_err
= B_FALSE
;
2817 if (varray
!= NULL
) {
2820 for (v
= 0; v
< vcount
; v
++)
2821 nvlist_free(varray
[v
]);
2824 zcmd_free_nvlists(&zc
);
2826 nvlist_free(zc_props
);
2828 nvlist_free(newconfig
);
2830 nvlist_free(*newroot
);
2838 return (no_memory(hdl
));
2844 * Remove the given device. Currently, this is supported only for hot spares
2845 * and level 2 cache devices.
2848 zpool_vdev_remove(zpool_handle_t
*zhp
, const char *path
)
2850 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2853 boolean_t avail_spare
, l2cache
, islog
;
2854 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2857 (void) snprintf(msg
, sizeof (msg
),
2858 dgettext(TEXT_DOMAIN
, "cannot remove %s"), path
);
2860 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2861 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2863 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2865 * XXX - this should just go away.
2867 if (!avail_spare
&& !l2cache
&& !islog
) {
2868 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2869 "only inactive hot spares, cache, top-level, "
2870 "or log devices can be removed"));
2871 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2874 version
= zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
);
2875 if (islog
&& version
< SPA_VERSION_HOLES
) {
2876 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2877 "pool must be upgrade to support log removal"));
2878 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
2881 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2883 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_REMOVE
, &zc
) == 0)
2886 return (zpool_standard_error(hdl
, errno
, msg
));
2890 * Clear the errors for the pool, or the particular device if specified.
2893 zpool_clear(zpool_handle_t
*zhp
, const char *path
, nvlist_t
*rewindnvl
)
2895 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2898 zpool_rewind_policy_t policy
;
2899 boolean_t avail_spare
, l2cache
;
2900 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2901 nvlist_t
*nvi
= NULL
;
2905 (void) snprintf(msg
, sizeof (msg
),
2906 dgettext(TEXT_DOMAIN
, "cannot clear errors for %s"),
2909 (void) snprintf(msg
, sizeof (msg
),
2910 dgettext(TEXT_DOMAIN
, "cannot clear errors for %s"),
2913 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2915 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
,
2916 &l2cache
, NULL
)) == 0)
2917 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2920 * Don't allow error clearing for hot spares. Do allow
2921 * error clearing for l2cache devices.
2924 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2926 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
,
2930 zpool_get_rewind_policy(rewindnvl
, &policy
);
2931 zc
.zc_cookie
= policy
.zrp_request
;
2933 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, zhp
->zpool_config_size
* 2) != 0)
2936 if (zcmd_write_src_nvlist(hdl
, &zc
, rewindnvl
) != 0)
2939 while ((error
= zfs_ioctl(hdl
, ZFS_IOC_CLEAR
, &zc
)) != 0 &&
2941 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
2942 zcmd_free_nvlists(&zc
);
2947 if (!error
|| ((policy
.zrp_request
& ZPOOL_TRY_REWIND
) &&
2948 errno
!= EPERM
&& errno
!= EACCES
)) {
2949 if (policy
.zrp_request
&
2950 (ZPOOL_DO_REWIND
| ZPOOL_TRY_REWIND
)) {
2951 (void) zcmd_read_dst_nvlist(hdl
, &zc
, &nvi
);
2952 zpool_rewind_exclaim(hdl
, zc
.zc_name
,
2953 ((policy
.zrp_request
& ZPOOL_TRY_REWIND
) != 0),
2957 zcmd_free_nvlists(&zc
);
2961 zcmd_free_nvlists(&zc
);
2962 return (zpool_standard_error(hdl
, errno
, msg
));
2966 * Similar to zpool_clear(), but takes a GUID (used by fmd).
2969 zpool_vdev_clear(zpool_handle_t
*zhp
, uint64_t guid
)
2971 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2973 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2975 (void) snprintf(msg
, sizeof (msg
),
2976 dgettext(TEXT_DOMAIN
, "cannot clear errors for %llx"),
2977 (u_longlong_t
)guid
);
2979 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2981 zc
.zc_cookie
= ZPOOL_NO_REWIND
;
2983 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_CLEAR
, &zc
) == 0)
2986 return (zpool_standard_error(hdl
, errno
, msg
));
2990 * Change the GUID for a pool.
2993 zpool_reguid(zpool_handle_t
*zhp
)
2996 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2997 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2999 (void) snprintf(msg
, sizeof (msg
),
3000 dgettext(TEXT_DOMAIN
, "cannot reguid '%s'"), zhp
->zpool_name
);
3002 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3003 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_REGUID
, &zc
) == 0)
3006 return (zpool_standard_error(hdl
, errno
, msg
));
3013 zpool_reopen(zpool_handle_t
*zhp
)
3015 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3017 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3019 (void) snprintf(msg
, sizeof (msg
),
3020 dgettext(TEXT_DOMAIN
, "cannot reopen '%s'"),
3023 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3024 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_REOPEN
, &zc
) == 0)
3026 return (zpool_standard_error(hdl
, errno
, msg
));
3030 * Convert from a devid string to a path.
3033 devid_to_path(char *devid_str
)
3038 devid_nmlist_t
*list
= NULL
;
3041 if (devid_str_decode(devid_str
, &devid
, &minor
) != 0)
3044 ret
= devid_deviceid_to_nmlist("/dev", devid
, minor
, &list
);
3046 devid_str_free(minor
);
3052 if ((path
= strdup(list
[0].devname
)) == NULL
)
3055 devid_free_nmlist(list
);
3061 * Convert from a path to a devid string.
3064 path_to_devid(const char *path
)
3070 if ((fd
= open(path
, O_RDONLY
)) < 0)
3075 if (devid_get(fd
, &devid
) == 0) {
3076 if (devid_get_minor_name(fd
, &minor
) == 0)
3077 ret
= devid_str_encode(devid
, minor
);
3079 devid_str_free(minor
);
3088 * Issue the necessary ioctl() to update the stored path value for the vdev. We
3089 * ignore any failure here, since a common case is for an unprivileged user to
3090 * type 'zpool status', and we'll display the correct information anyway.
3093 set_path(zpool_handle_t
*zhp
, nvlist_t
*nv
, const char *path
)
3095 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3097 (void) strncpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3098 (void) strncpy(zc
.zc_value
, path
, sizeof (zc
.zc_value
));
3099 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
3102 (void) ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_VDEV_SETPATH
, &zc
);
3106 * Remove partition suffix from a vdev path. Partition suffixes may take three
3107 * forms: "-partX", "pX", or "X", where X is a string of digits. The second
3108 * case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The
3109 * third case only occurs when preceded by a string matching the regular
3110 * expression "^[hs]d[a-z]+", i.e. a scsi or ide disk.
3113 strip_partition(libzfs_handle_t
*hdl
, char *path
)
3115 char *tmp
= zfs_strdup(hdl
, path
);
3116 char *part
= NULL
, *d
= NULL
;
3118 if ((part
= strstr(tmp
, "-part")) && part
!= tmp
) {
3120 } else if ((part
= strrchr(tmp
, 'p')) &&
3121 part
> tmp
+ 1 && isdigit(*(part
-1))) {
3123 } else if ((tmp
[0] == 'h' || tmp
[0] == 's') && tmp
[1] == 'd') {
3124 for (d
= &tmp
[2]; isalpha(*d
); part
= ++d
);
3126 if (part
&& d
&& *d
!= '\0') {
3127 for (; isdigit(*d
); d
++);
3134 #define PATH_BUF_LEN 64
3137 * Given a vdev, return the name to display in iostat. If the vdev has a path,
3138 * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
3139 * We also check if this is a whole disk, in which case we strip off the
3140 * trailing 's0' slice name.
3142 * This routine is also responsible for identifying when disks have been
3143 * reconfigured in a new location. The kernel will have opened the device by
3144 * devid, but the path will still refer to the old location. To catch this, we
3145 * first do a path -> devid translation (which is fast for the common case). If
3146 * the devid matches, we're done. If not, we do a reverse devid -> path
3147 * translation and issue the appropriate ioctl() to update the path of the vdev.
3148 * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any
3152 zpool_vdev_name(libzfs_handle_t
*hdl
, zpool_handle_t
*zhp
, nvlist_t
*nv
,
3155 char *path
, *devid
, *type
;
3157 char buf
[PATH_BUF_LEN
];
3158 char tmpbuf
[PATH_BUF_LEN
];
3162 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_NOT_PRESENT
,
3164 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
3166 (void) snprintf(buf
, sizeof (buf
), "%llu",
3167 (u_longlong_t
)value
);
3169 } else if (nvlist_lookup_string(nv
, ZPOOL_CONFIG_PATH
, &path
) == 0) {
3171 * If the device is dead (faulted, offline, etc) then don't
3172 * bother opening it. Otherwise we may be forcing the user to
3173 * open a misbehaving device, which can have undesirable
3176 if ((nvlist_lookup_uint64_array(nv
, ZPOOL_CONFIG_VDEV_STATS
,
3177 (uint64_t **)&vs
, &vsc
) != 0 ||
3178 vs
->vs_state
>= VDEV_STATE_DEGRADED
) &&
3180 nvlist_lookup_string(nv
, ZPOOL_CONFIG_DEVID
, &devid
) == 0) {
3182 * Determine if the current path is correct.
3184 char *newdevid
= path_to_devid(path
);
3186 if (newdevid
== NULL
||
3187 strcmp(devid
, newdevid
) != 0) {
3190 if ((newpath
= devid_to_path(devid
)) != NULL
) {
3192 * Update the path appropriately.
3194 set_path(zhp
, nv
, newpath
);
3195 if (nvlist_add_string(nv
,
3196 ZPOOL_CONFIG_PATH
, newpath
) == 0)
3197 verify(nvlist_lookup_string(nv
,
3205 devid_str_free(newdevid
);
3209 * For a block device only use the name.
3211 verify(nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &type
) == 0);
3212 if (strcmp(type
, VDEV_TYPE_DISK
) == 0) {
3213 path
= strrchr(path
, '/');
3218 * Remove the partition from the path it this is a whole disk.
3220 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_WHOLE_DISK
,
3221 &value
) == 0 && value
) {
3222 return strip_partition(hdl
, path
);
3225 verify(nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &path
) == 0);
3228 * If it's a raidz device, we need to stick in the parity level.
3230 if (strcmp(path
, VDEV_TYPE_RAIDZ
) == 0) {
3232 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_NPARITY
,
3234 (void) snprintf(buf
, sizeof (buf
), "%s%llu", path
,
3235 (u_longlong_t
)value
);
3240 * We identify each top-level vdev by using a <type-id>
3241 * naming convention.
3246 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_ID
,
3248 (void) snprintf(tmpbuf
, sizeof (tmpbuf
), "%s-%llu",
3249 path
, (u_longlong_t
)id
);
3254 return (zfs_strdup(hdl
, path
));
3258 zbookmark_compare(const void *a
, const void *b
)
3260 return (memcmp(a
, b
, sizeof (zbookmark_t
)));
3264 * Retrieve the persistent error log, uniquify the members, and return to the
3268 zpool_get_errlog(zpool_handle_t
*zhp
, nvlist_t
**nverrlistp
)
3270 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3272 zbookmark_t
*zb
= NULL
;
3276 * Retrieve the raw error list from the kernel. If the number of errors
3277 * has increased, allocate more space and continue until we get the
3280 verify(nvlist_lookup_uint64(zhp
->zpool_config
, ZPOOL_CONFIG_ERRCOUNT
,
3284 if ((zc
.zc_nvlist_dst
= (uintptr_t)zfs_alloc(zhp
->zpool_hdl
,
3285 count
* sizeof (zbookmark_t
))) == (uintptr_t)NULL
)
3287 zc
.zc_nvlist_dst_size
= count
;
3288 (void) strcpy(zc
.zc_name
, zhp
->zpool_name
);
3290 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_ERROR_LOG
,
3292 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
3293 if (errno
== ENOMEM
) {
3294 count
= zc
.zc_nvlist_dst_size
;
3295 if ((zc
.zc_nvlist_dst
= (uintptr_t)
3296 zfs_alloc(zhp
->zpool_hdl
, count
*
3297 sizeof (zbookmark_t
))) == (uintptr_t)NULL
)
3308 * Sort the resulting bookmarks. This is a little confusing due to the
3309 * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last
3310 * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks
3311 * _not_ copied as part of the process. So we point the start of our
3312 * array appropriate and decrement the total number of elements.
3314 zb
= ((zbookmark_t
*)(uintptr_t)zc
.zc_nvlist_dst
) +
3315 zc
.zc_nvlist_dst_size
;
3316 count
-= zc
.zc_nvlist_dst_size
;
3318 qsort(zb
, count
, sizeof (zbookmark_t
), zbookmark_compare
);
3320 verify(nvlist_alloc(nverrlistp
, 0, KM_SLEEP
) == 0);
3323 * Fill in the nverrlistp with nvlist's of dataset and object numbers.
3325 for (i
= 0; i
< count
; i
++) {
3328 /* ignoring zb_blkid and zb_level for now */
3329 if (i
> 0 && zb
[i
-1].zb_objset
== zb
[i
].zb_objset
&&
3330 zb
[i
-1].zb_object
== zb
[i
].zb_object
)
3333 if (nvlist_alloc(&nv
, NV_UNIQUE_NAME
, KM_SLEEP
) != 0)
3335 if (nvlist_add_uint64(nv
, ZPOOL_ERR_DATASET
,
3336 zb
[i
].zb_objset
) != 0) {
3340 if (nvlist_add_uint64(nv
, ZPOOL_ERR_OBJECT
,
3341 zb
[i
].zb_object
) != 0) {
3345 if (nvlist_add_nvlist(*nverrlistp
, "ejk", nv
) != 0) {
3352 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
3356 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
3357 return (no_memory(zhp
->zpool_hdl
));
3361 * Upgrade a ZFS pool to the latest on-disk version.
3364 zpool_upgrade(zpool_handle_t
*zhp
, uint64_t new_version
)
3366 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3367 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3369 (void) strcpy(zc
.zc_name
, zhp
->zpool_name
);
3370 zc
.zc_cookie
= new_version
;
3372 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_UPGRADE
, &zc
) != 0)
3373 return (zpool_standard_error_fmt(hdl
, errno
,
3374 dgettext(TEXT_DOMAIN
, "cannot upgrade '%s'"),
3380 zpool_set_history_str(const char *subcommand
, int argc
, char **argv
,
3385 (void) strlcpy(history_str
, subcommand
, HIS_MAX_RECORD_LEN
);
3386 for (i
= 1; i
< argc
; i
++) {
3387 if (strlen(history_str
) + 1 + strlen(argv
[i
]) >
3390 (void) strlcat(history_str
, " ", HIS_MAX_RECORD_LEN
);
3391 (void) strlcat(history_str
, argv
[i
], HIS_MAX_RECORD_LEN
);
3396 * Stage command history for logging.
3399 zpool_stage_history(libzfs_handle_t
*hdl
, const char *history_str
)
3401 if (history_str
== NULL
)
3404 if (strlen(history_str
) > HIS_MAX_RECORD_LEN
)
3407 if (hdl
->libzfs_log_str
!= NULL
)
3408 free(hdl
->libzfs_log_str
);
3410 if ((hdl
->libzfs_log_str
= strdup(history_str
)) == NULL
)
3411 return (no_memory(hdl
));
3417 * Perform ioctl to get some command history of a pool.
3419 * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the
3420 * logical offset of the history buffer to start reading from.
3422 * Upon return, 'off' is the next logical offset to read from and
3423 * 'len' is the actual amount of bytes read into 'buf'.
3426 get_history(zpool_handle_t
*zhp
, char *buf
, uint64_t *off
, uint64_t *len
)
3428 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3429 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3431 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3433 zc
.zc_history
= (uint64_t)(uintptr_t)buf
;
3434 zc
.zc_history_len
= *len
;
3435 zc
.zc_history_offset
= *off
;
3437 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_POOL_GET_HISTORY
, &zc
) != 0) {
3440 return (zfs_error_fmt(hdl
, EZFS_PERM
,
3441 dgettext(TEXT_DOMAIN
,
3442 "cannot show history for pool '%s'"),
3445 return (zfs_error_fmt(hdl
, EZFS_NOHISTORY
,
3446 dgettext(TEXT_DOMAIN
, "cannot get history for pool "
3447 "'%s'"), zhp
->zpool_name
));
3449 return (zfs_error_fmt(hdl
, EZFS_BADVERSION
,
3450 dgettext(TEXT_DOMAIN
, "cannot get history for pool "
3451 "'%s', pool must be upgraded"), zhp
->zpool_name
));
3453 return (zpool_standard_error_fmt(hdl
, errno
,
3454 dgettext(TEXT_DOMAIN
,
3455 "cannot get history for '%s'"), zhp
->zpool_name
));
3459 *len
= zc
.zc_history_len
;
3460 *off
= zc
.zc_history_offset
;
3466 * Process the buffer of nvlists, unpacking and storing each nvlist record
3467 * into 'records'. 'leftover' is set to the number of bytes that weren't
3468 * processed as there wasn't a complete record.
3471 zpool_history_unpack(char *buf
, uint64_t bytes_read
, uint64_t *leftover
,
3472 nvlist_t
***records
, uint_t
*numrecords
)
3478 while (bytes_read
> sizeof (reclen
)) {
3480 /* get length of packed record (stored as little endian) */
3481 for (i
= 0, reclen
= 0; i
< sizeof (reclen
); i
++)
3482 reclen
+= (uint64_t)(((uchar_t
*)buf
)[i
]) << (8*i
);
3484 if (bytes_read
< sizeof (reclen
) + reclen
)
3488 if (nvlist_unpack(buf
+ sizeof (reclen
), reclen
, &nv
, 0) != 0)
3490 bytes_read
-= sizeof (reclen
) + reclen
;
3491 buf
+= sizeof (reclen
) + reclen
;
3493 /* add record to nvlist array */
3495 if (ISP2(*numrecords
+ 1)) {
3496 *records
= realloc(*records
,
3497 *numrecords
* 2 * sizeof (nvlist_t
*));
3499 (*records
)[*numrecords
- 1] = nv
;
3502 *leftover
= bytes_read
;
3506 #define HIS_BUF_LEN (128*1024)
3509 * Retrieve the command history of a pool.
3512 zpool_get_history(zpool_handle_t
*zhp
, nvlist_t
**nvhisp
)
3514 char buf
[HIS_BUF_LEN
];
3516 nvlist_t
**records
= NULL
;
3517 uint_t numrecords
= 0;
3521 uint64_t bytes_read
= sizeof (buf
);
3524 if ((err
= get_history(zhp
, buf
, &off
, &bytes_read
)) != 0)
3527 /* if nothing else was read in, we're at EOF, just return */
3531 if ((err
= zpool_history_unpack(buf
, bytes_read
,
3532 &leftover
, &records
, &numrecords
)) != 0)
3540 verify(nvlist_alloc(nvhisp
, NV_UNIQUE_NAME
, 0) == 0);
3541 verify(nvlist_add_nvlist_array(*nvhisp
, ZPOOL_HIST_RECORD
,
3542 records
, numrecords
) == 0);
3544 for (i
= 0; i
< numrecords
; i
++)
3545 nvlist_free(records
[i
]);
3552 * Retrieve the next event. If there is a new event available 'nvp' will
3553 * contain a newly allocated nvlist and 'dropped' will be set to the number
3554 * of missed events since the last call to this function. When 'nvp' is
3555 * set to NULL it indicates no new events are available. In either case
3556 * the function returns 0 and it is up to the caller to free 'nvp'. In
3557 * the case of a fatal error the function will return a non-zero value.
3558 * When the function is called in blocking mode it will not return until
3559 * a new event is available.
3562 zpool_events_next(libzfs_handle_t
*hdl
, nvlist_t
**nvp
,
3563 int *dropped
, int block
, int cleanup_fd
)
3565 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3570 zc
.zc_cleanup_fd
= cleanup_fd
;
3573 zc
.zc_guid
= ZEVENT_NONBLOCK
;
3575 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, ZEVENT_SIZE
) != 0)
3579 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_NEXT
, &zc
) != 0) {
3582 error
= zfs_error_fmt(hdl
, EZFS_POOLUNAVAIL
,
3583 dgettext(TEXT_DOMAIN
, "zfs shutdown"));
3586 /* Blocking error case should not occur */
3588 error
= zpool_standard_error_fmt(hdl
, errno
,
3589 dgettext(TEXT_DOMAIN
, "cannot get event"));
3593 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
3594 error
= zfs_error_fmt(hdl
, EZFS_NOMEM
,
3595 dgettext(TEXT_DOMAIN
, "cannot get event"));
3601 error
= zpool_standard_error_fmt(hdl
, errno
,
3602 dgettext(TEXT_DOMAIN
, "cannot get event"));
3607 error
= zcmd_read_dst_nvlist(hdl
, &zc
, nvp
);
3611 *dropped
= (int)zc
.zc_cookie
;
3613 zcmd_free_nvlists(&zc
);
3622 zpool_events_clear(libzfs_handle_t
*hdl
, int *count
)
3624 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3627 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
3628 "cannot clear events"));
3630 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_CLEAR
, &zc
) != 0)
3631 return (zpool_standard_error_fmt(hdl
, errno
, msg
));
3634 *count
= (int)zc
.zc_cookie
; /* # of events cleared */
3640 zpool_obj_to_path(zpool_handle_t
*zhp
, uint64_t dsobj
, uint64_t obj
,
3641 char *pathname
, size_t len
)
3643 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3644 boolean_t mounted
= B_FALSE
;
3645 char *mntpnt
= NULL
;
3646 char dsname
[MAXNAMELEN
];
3649 /* special case for the MOS */
3650 (void) snprintf(pathname
, len
, "<metadata>:<0x%llx>", (longlong_t
)obj
);
3654 /* get the dataset's name */
3655 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3657 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
,
3658 ZFS_IOC_DSOBJ_TO_DSNAME
, &zc
) != 0) {
3659 /* just write out a path of two object numbers */
3660 (void) snprintf(pathname
, len
, "<0x%llx>:<0x%llx>",
3661 (longlong_t
)dsobj
, (longlong_t
)obj
);
3664 (void) strlcpy(dsname
, zc
.zc_value
, sizeof (dsname
));
3666 /* find out if the dataset is mounted */
3667 mounted
= is_mounted(zhp
->zpool_hdl
, dsname
, &mntpnt
);
3669 /* get the corrupted object's path */
3670 (void) strlcpy(zc
.zc_name
, dsname
, sizeof (zc
.zc_name
));
3672 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_OBJ_TO_PATH
,
3675 (void) snprintf(pathname
, len
, "%s%s", mntpnt
,
3678 (void) snprintf(pathname
, len
, "%s:%s",
3679 dsname
, zc
.zc_value
);
3682 (void) snprintf(pathname
, len
, "%s:<0x%llx>", dsname
, (longlong_t
)obj
);
3688 * Read the EFI label from the config, if a label does not exist then
3689 * pass back the error to the caller. If the caller has passed a non-NULL
3690 * diskaddr argument then we set it to the starting address of the EFI
3694 read_efi_label(nvlist_t
*config
, diskaddr_t
*sb
)
3698 char diskname
[MAXPATHLEN
];
3701 if (nvlist_lookup_string(config
, ZPOOL_CONFIG_PATH
, &path
) != 0)
3704 (void) snprintf(diskname
, sizeof (diskname
), "%s%s", RDISK_ROOT
,
3705 strrchr(path
, '/'));
3706 if ((fd
= open(diskname
, O_RDWR
|O_DIRECT
)) >= 0) {
3707 struct dk_gpt
*vtoc
;
3709 if ((err
= efi_alloc_and_read(fd
, &vtoc
)) >= 0) {
3711 *sb
= vtoc
->efi_parts
[0].p_start
;
3720 * determine where a partition starts on a disk in the current
3724 find_start_block(nvlist_t
*config
)
3728 diskaddr_t sb
= MAXOFFSET_T
;
3731 if (nvlist_lookup_nvlist_array(config
,
3732 ZPOOL_CONFIG_CHILDREN
, &child
, &children
) != 0) {
3733 if (nvlist_lookup_uint64(config
,
3734 ZPOOL_CONFIG_WHOLE_DISK
,
3735 &wholedisk
) != 0 || !wholedisk
) {
3736 return (MAXOFFSET_T
);
3738 if (read_efi_label(config
, &sb
) < 0)
3743 for (c
= 0; c
< children
; c
++) {
3744 sb
= find_start_block(child
[c
]);
3745 if (sb
!= MAXOFFSET_T
) {
3749 return (MAXOFFSET_T
);
3753 zpool_label_disk_wait(char *path
, int timeout
)
3755 struct stat64 statbuf
;
3759 * Wait timeout miliseconds for a newly created device to be available
3760 * from the given path. There is a small window when a /dev/ device
3761 * will exist and the udev link will not, so we must wait for the
3762 * symlink. Depending on the udev rules this may take a few seconds.
3764 for (i
= 0; i
< timeout
; i
++) {
3768 if ((stat64(path
, &statbuf
) == 0) && (errno
== 0))
3776 zpool_label_disk_check(char *path
)
3778 struct dk_gpt
*vtoc
;
3781 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0)
3784 if ((err
= efi_alloc_and_read(fd
, &vtoc
)) != 0) {
3789 if (vtoc
->efi_flags
& EFI_GPT_PRIMARY_CORRUPT
) {
3801 * Label an individual disk. The name provided is the short name,
3802 * stripped of any leading /dev path.
3805 zpool_label_disk(libzfs_handle_t
*hdl
, zpool_handle_t
*zhp
, char *name
)
3807 char path
[MAXPATHLEN
];
3808 struct dk_gpt
*vtoc
;
3810 size_t resv
= EFI_MIN_RESV_SIZE
;
3811 uint64_t slice_size
;
3812 diskaddr_t start_block
;
3815 /* prepare an error message just in case */
3816 (void) snprintf(errbuf
, sizeof (errbuf
),
3817 dgettext(TEXT_DOMAIN
, "cannot label '%s'"), name
);
3822 if (zpool_is_bootable(zhp
)) {
3823 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3824 "EFI labeled devices are not supported on root "
3826 return (zfs_error(hdl
, EZFS_POOL_NOTSUP
, errbuf
));
3829 verify(nvlist_lookup_nvlist(zhp
->zpool_config
,
3830 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
3832 if (zhp
->zpool_start_block
== 0)
3833 start_block
= find_start_block(nvroot
);
3835 start_block
= zhp
->zpool_start_block
;
3836 zhp
->zpool_start_block
= start_block
;
3839 start_block
= NEW_START_BLOCK
;
3842 (void) snprintf(path
, sizeof (path
), "%s/%s%s", RDISK_ROOT
, name
,
3845 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0) {
3847 * This shouldn't happen. We've long since verified that this
3848 * is a valid device.
3850 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
3851 "label '%s': unable to open device: %d"), path
, errno
);
3852 return (zfs_error(hdl
, EZFS_OPENFAILED
, errbuf
));
3855 if (efi_alloc_and_init(fd
, EFI_NUMPAR
, &vtoc
) != 0) {
3857 * The only way this can fail is if we run out of memory, or we
3858 * were unable to read the disk's capacity
3860 if (errno
== ENOMEM
)
3861 (void) no_memory(hdl
);
3864 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
3865 "label '%s': unable to read disk capacity"), path
);
3867 return (zfs_error(hdl
, EZFS_NOCAP
, errbuf
));
3870 slice_size
= vtoc
->efi_last_u_lba
+ 1;
3871 slice_size
-= EFI_MIN_RESV_SIZE
;
3872 if (start_block
== MAXOFFSET_T
)
3873 start_block
= NEW_START_BLOCK
;
3874 slice_size
-= start_block
;
3875 slice_size
= P2ALIGN(slice_size
, PARTITION_END_ALIGNMENT
);
3877 vtoc
->efi_parts
[0].p_start
= start_block
;
3878 vtoc
->efi_parts
[0].p_size
= slice_size
;
3881 * Why we use V_USR: V_BACKUP confuses users, and is considered
3882 * disposable by some EFI utilities (since EFI doesn't have a backup
3883 * slice). V_UNASSIGNED is supposed to be used only for zero size
3884 * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT,
3885 * etc. were all pretty specific. V_USR is as close to reality as we
3886 * can get, in the absence of V_OTHER.
3888 vtoc
->efi_parts
[0].p_tag
= V_USR
;
3889 (void) strcpy(vtoc
->efi_parts
[0].p_name
, "zfs");
3891 vtoc
->efi_parts
[8].p_start
= slice_size
+ start_block
;
3892 vtoc
->efi_parts
[8].p_size
= resv
;
3893 vtoc
->efi_parts
[8].p_tag
= V_RESERVED
;
3895 if ((rval
= efi_write(fd
, vtoc
)) != 0 || (rval
= efi_rescan(fd
)) != 0) {
3897 * Some block drivers (like pcata) may not support EFI
3898 * GPT labels. Print out a helpful error message dir-
3899 * ecting the user to manually label the disk and give
3905 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "try using "
3906 "parted(8) and then provide a specific slice: %d"), rval
);
3907 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));
3913 /* Wait for the first expected slice to appear. */
3914 (void) snprintf(path
, sizeof (path
), "%s/%s%s%s", DISK_ROOT
, name
,
3915 isdigit(name
[strlen(name
)-1]) ? "p" : "", FIRST_SLICE
);
3916 rval
= zpool_label_disk_wait(path
, 3000);
3918 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "failed to "
3919 "detect device partitions on '%s': %d"), path
, rval
);
3920 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));
3923 /* We can't be to paranoid. Read the label back and verify it. */
3924 (void) snprintf(path
, sizeof (path
), "%s/%s", DISK_ROOT
, name
);
3925 rval
= zpool_label_disk_check(path
);
3927 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "freshly written "
3928 "EFI label on '%s' is damaged. Ensure\nthis device "
3929 "is not in in use, and is functioning properly: %d"),
3931 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));