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) 2011 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_ASHIFT
:
277 (void) zfs_nicenum(intval
, buf
, len
);
280 case ZPOOL_PROP_CAPACITY
:
281 (void) snprintf(buf
, len
, "%llu%%",
282 (u_longlong_t
)intval
);
285 case ZPOOL_PROP_DEDUPRATIO
:
286 (void) snprintf(buf
, len
, "%llu.%02llux",
287 (u_longlong_t
)(intval
/ 100),
288 (u_longlong_t
)(intval
% 100));
291 case ZPOOL_PROP_HEALTH
:
292 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
293 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
294 verify(nvlist_lookup_uint64_array(nvroot
,
295 ZPOOL_CONFIG_VDEV_STATS
, (uint64_t **)&vs
, &vsc
)
298 (void) strlcpy(buf
, zpool_state_to_name(intval
,
302 (void) snprintf(buf
, len
, "%llu", (u_longlong_t
)intval
);
306 case PROP_TYPE_INDEX
:
307 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
308 if (zpool_prop_index_to_string(prop
, intval
, &strval
)
311 (void) strlcpy(buf
, strval
, len
);
325 * Check if the bootfs name has the same pool name as it is set to.
326 * Assuming bootfs is a valid dataset name.
329 bootfs_name_valid(const char *pool
, char *bootfs
)
331 int len
= strlen(pool
);
333 if (!zfs_name_valid(bootfs
, ZFS_TYPE_FILESYSTEM
|ZFS_TYPE_SNAPSHOT
))
336 if (strncmp(pool
, bootfs
, len
) == 0 &&
337 (bootfs
[len
] == '/' || bootfs
[len
] == '\0'))
344 * Inspect the configuration to determine if any of the devices contain
348 pool_uses_efi(nvlist_t
*config
)
353 if (nvlist_lookup_nvlist_array(config
, ZPOOL_CONFIG_CHILDREN
,
354 &child
, &children
) != 0)
355 return (read_efi_label(config
, NULL
) >= 0);
357 for (c
= 0; c
< children
; c
++) {
358 if (pool_uses_efi(child
[c
]))
365 pool_is_bootable(zpool_handle_t
*zhp
)
367 char bootfs
[ZPOOL_MAXNAMELEN
];
369 return (zpool_get_prop(zhp
, ZPOOL_PROP_BOOTFS
, bootfs
,
370 sizeof (bootfs
), NULL
) == 0 && strncmp(bootfs
, "-",
371 sizeof (bootfs
)) != 0);
376 * Given an nvlist of zpool properties to be set, validate that they are
377 * correct, and parse any numeric properties (index, boolean, etc) if they are
378 * specified as strings.
381 zpool_valid_proplist(libzfs_handle_t
*hdl
, const char *poolname
,
382 nvlist_t
*props
, uint64_t version
, prop_flags_t flags
, char *errbuf
)
390 struct stat64 statbuf
;
394 if (nvlist_alloc(&retprops
, NV_UNIQUE_NAME
, 0) != 0) {
395 (void) no_memory(hdl
);
400 while ((elem
= nvlist_next_nvpair(props
, elem
)) != NULL
) {
401 const char *propname
= nvpair_name(elem
);
404 * Make sure this property is valid and applies to this type.
406 if ((prop
= zpool_name_to_prop(propname
)) == ZPROP_INVAL
) {
407 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
408 "invalid property '%s'"), propname
);
409 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
413 if (zpool_prop_readonly(prop
)) {
414 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "'%s' "
415 "is readonly"), propname
);
416 (void) zfs_error(hdl
, EZFS_PROPREADONLY
, errbuf
);
420 if (zprop_parse_value(hdl
, elem
, prop
, ZFS_TYPE_POOL
, retprops
,
421 &strval
, &intval
, errbuf
) != 0)
425 * Perform additional checking for specific properties.
430 case ZPOOL_PROP_VERSION
:
431 if (intval
< version
|| intval
> SPA_VERSION
) {
432 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
433 "property '%s' number %d is invalid."),
435 (void) zfs_error(hdl
, EZFS_BADVERSION
, errbuf
);
440 case ZPOOL_PROP_ASHIFT
:
442 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
443 "property '%s' can only be set at "
444 "creation time"), propname
);
445 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
449 if (intval
!= 0 && (intval
< 9 || intval
> 13)) {
450 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
451 "property '%s' number %d is invalid."),
453 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
458 case ZPOOL_PROP_BOOTFS
:
459 if (flags
.create
|| flags
.import
) {
460 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
461 "property '%s' cannot be set at creation "
462 "or import time"), propname
);
463 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
467 if (version
< SPA_VERSION_BOOTFS
) {
468 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
469 "pool must be upgraded to support "
470 "'%s' property"), propname
);
471 (void) zfs_error(hdl
, EZFS_BADVERSION
, errbuf
);
476 * bootfs property value has to be a dataset name and
477 * the dataset has to be in the same pool as it sets to.
479 if (strval
[0] != '\0' && !bootfs_name_valid(poolname
,
481 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "'%s' "
482 "is an invalid name"), strval
);
483 (void) zfs_error(hdl
, EZFS_INVALIDNAME
, errbuf
);
487 if ((zhp
= zpool_open_canfail(hdl
, poolname
)) == NULL
) {
488 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
489 "could not open pool '%s'"), poolname
);
490 (void) zfs_error(hdl
, EZFS_OPENFAILED
, errbuf
);
493 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
494 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
496 #if defined(__sun__) || defined(__sun)
498 * bootfs property cannot be set on a disk which has
501 if (pool_uses_efi(nvroot
)) {
502 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
503 "property '%s' not supported on "
504 "EFI labeled devices"), propname
);
505 (void) zfs_error(hdl
, EZFS_POOL_NOTSUP
, errbuf
);
513 case ZPOOL_PROP_ALTROOT
:
514 if (!flags
.create
&& !flags
.import
) {
515 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
516 "property '%s' can only be set during pool "
517 "creation or import"), propname
);
518 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
522 if (strval
[0] != '/') {
523 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
524 "bad alternate root '%s'"), strval
);
525 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
530 case ZPOOL_PROP_CACHEFILE
:
531 if (strval
[0] == '\0')
534 if (strcmp(strval
, "none") == 0)
537 if (strval
[0] != '/') {
538 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
539 "property '%s' must be empty, an "
540 "absolute path, or 'none'"), propname
);
541 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
545 slash
= strrchr(strval
, '/');
547 if (slash
[1] == '\0' || strcmp(slash
, "/.") == 0 ||
548 strcmp(slash
, "/..") == 0) {
549 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
550 "'%s' is not a valid file"), strval
);
551 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
557 if (strval
[0] != '\0' &&
558 (stat64(strval
, &statbuf
) != 0 ||
559 !S_ISDIR(statbuf
.st_mode
))) {
560 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
561 "'%s' is not a valid directory"),
563 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
570 case ZPOOL_PROP_COMMENT
:
571 for (check
= strval
; *check
!= '\0'; check
++) {
572 if (!isprint(*check
)) {
574 dgettext(TEXT_DOMAIN
,
575 "comment may only have printable "
577 (void) zfs_error(hdl
, EZFS_BADPROP
,
582 if (strlen(strval
) > ZPROP_MAX_COMMENT
) {
583 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
584 "comment must not exceed %d characters"),
586 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
590 case ZPOOL_PROP_READONLY
:
592 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
593 "property '%s' can only be set at "
594 "import time"), propname
);
595 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
604 nvlist_free(retprops
);
609 * Set zpool property : propname=propval.
612 zpool_set_prop(zpool_handle_t
*zhp
, const char *propname
, const char *propval
)
614 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
617 nvlist_t
*nvl
= NULL
;
620 prop_flags_t flags
= { 0 };
622 (void) snprintf(errbuf
, sizeof (errbuf
),
623 dgettext(TEXT_DOMAIN
, "cannot set property for '%s'"),
626 if (nvlist_alloc(&nvl
, NV_UNIQUE_NAME
, 0) != 0)
627 return (no_memory(zhp
->zpool_hdl
));
629 if (nvlist_add_string(nvl
, propname
, propval
) != 0) {
631 return (no_memory(zhp
->zpool_hdl
));
634 version
= zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
);
635 if ((realprops
= zpool_valid_proplist(zhp
->zpool_hdl
,
636 zhp
->zpool_name
, nvl
, version
, flags
, errbuf
)) == NULL
) {
645 * Execute the corresponding ioctl() to set this property.
647 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
649 if (zcmd_write_src_nvlist(zhp
->zpool_hdl
, &zc
, nvl
) != 0) {
654 ret
= zfs_ioctl(zhp
->zpool_hdl
, ZFS_IOC_POOL_SET_PROPS
, &zc
);
656 zcmd_free_nvlists(&zc
);
660 (void) zpool_standard_error(zhp
->zpool_hdl
, errno
, errbuf
);
662 (void) zpool_props_refresh(zhp
);
668 zpool_expand_proplist(zpool_handle_t
*zhp
, zprop_list_t
**plp
)
670 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
672 char buf
[ZFS_MAXPROPLEN
];
674 if (zprop_expand_list(hdl
, plp
, ZFS_TYPE_POOL
) != 0)
677 for (entry
= *plp
; entry
!= NULL
; entry
= entry
->pl_next
) {
682 if (entry
->pl_prop
!= ZPROP_INVAL
&&
683 zpool_get_prop(zhp
, entry
->pl_prop
, buf
, sizeof (buf
),
685 if (strlen(buf
) > entry
->pl_width
)
686 entry
->pl_width
= strlen(buf
);
695 * Don't start the slice at the default block of 34; many storage
696 * devices will use a stripe width of 128k, other vendors prefer a 1m
697 * alignment. It is best to play it safe and ensure a 1m alignment
698 * given 512B blocks. When the block size is larger by a power of 2
699 * we will still be 1m aligned. Some devices are sensitive to the
700 * partition ending alignment as well.
702 #define NEW_START_BLOCK 2048
703 #define PARTITION_END_ALIGNMENT 2048
706 * Validate the given pool name, optionally putting an extended error message in
710 zpool_name_valid(libzfs_handle_t
*hdl
, boolean_t isopen
, const char *pool
)
716 ret
= pool_namecheck(pool
, &why
, &what
);
719 * The rules for reserved pool names were extended at a later point.
720 * But we need to support users with existing pools that may now be
721 * invalid. So we only check for this expanded set of names during a
722 * create (or import), and only in userland.
724 if (ret
== 0 && !isopen
&&
725 (strncmp(pool
, "mirror", 6) == 0 ||
726 strncmp(pool
, "raidz", 5) == 0 ||
727 strncmp(pool
, "spare", 5) == 0 ||
728 strcmp(pool
, "log") == 0)) {
731 dgettext(TEXT_DOMAIN
, "name is reserved"));
739 case NAME_ERR_TOOLONG
:
741 dgettext(TEXT_DOMAIN
, "name is too long"));
744 case NAME_ERR_INVALCHAR
:
746 dgettext(TEXT_DOMAIN
, "invalid character "
747 "'%c' in pool name"), what
);
750 case NAME_ERR_NOLETTER
:
751 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
752 "name must begin with a letter"));
755 case NAME_ERR_RESERVED
:
756 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
757 "name is reserved"));
760 case NAME_ERR_DISKLIKE
:
761 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
762 "pool name is reserved"));
765 case NAME_ERR_LEADING_SLASH
:
766 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
767 "leading slash in name"));
770 case NAME_ERR_EMPTY_COMPONENT
:
771 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
772 "empty component in name"));
775 case NAME_ERR_TRAILING_SLASH
:
776 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
777 "trailing slash in name"));
780 case NAME_ERR_MULTIPLE_AT
:
781 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
782 "multiple '@' delimiters in name"));
785 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
786 "permission set is missing '@'"));
797 * Open a handle to the given pool, even if the pool is currently in the FAULTED
801 zpool_open_canfail(libzfs_handle_t
*hdl
, const char *pool
)
807 * Make sure the pool name is valid.
809 if (!zpool_name_valid(hdl
, B_TRUE
, pool
)) {
810 (void) zfs_error_fmt(hdl
, EZFS_INVALIDNAME
,
811 dgettext(TEXT_DOMAIN
, "cannot open '%s'"),
816 if ((zhp
= zfs_alloc(hdl
, sizeof (zpool_handle_t
))) == NULL
)
819 zhp
->zpool_hdl
= hdl
;
820 (void) strlcpy(zhp
->zpool_name
, pool
, sizeof (zhp
->zpool_name
));
822 if (zpool_refresh_stats(zhp
, &missing
) != 0) {
828 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "no such pool"));
829 (void) zfs_error_fmt(hdl
, EZFS_NOENT
,
830 dgettext(TEXT_DOMAIN
, "cannot open '%s'"), pool
);
839 * Like the above, but silent on error. Used when iterating over pools (because
840 * the configuration cache may be out of date).
843 zpool_open_silent(libzfs_handle_t
*hdl
, const char *pool
, zpool_handle_t
**ret
)
848 if ((zhp
= zfs_alloc(hdl
, sizeof (zpool_handle_t
))) == NULL
)
851 zhp
->zpool_hdl
= hdl
;
852 (void) strlcpy(zhp
->zpool_name
, pool
, sizeof (zhp
->zpool_name
));
854 if (zpool_refresh_stats(zhp
, &missing
) != 0) {
870 * Similar to zpool_open_canfail(), but refuses to open pools in the faulted
874 zpool_open(libzfs_handle_t
*hdl
, const char *pool
)
878 if ((zhp
= zpool_open_canfail(hdl
, pool
)) == NULL
)
881 if (zhp
->zpool_state
== POOL_STATE_UNAVAIL
) {
882 (void) zfs_error_fmt(hdl
, EZFS_POOLUNAVAIL
,
883 dgettext(TEXT_DOMAIN
, "cannot open '%s'"), zhp
->zpool_name
);
892 * Close the handle. Simply frees the memory associated with the handle.
895 zpool_close(zpool_handle_t
*zhp
)
897 if (zhp
->zpool_config
)
898 nvlist_free(zhp
->zpool_config
);
899 if (zhp
->zpool_old_config
)
900 nvlist_free(zhp
->zpool_old_config
);
901 if (zhp
->zpool_props
)
902 nvlist_free(zhp
->zpool_props
);
907 * Return the name of the pool.
910 zpool_get_name(zpool_handle_t
*zhp
)
912 return (zhp
->zpool_name
);
917 * Return the state of the pool (ACTIVE or UNAVAILABLE)
920 zpool_get_state(zpool_handle_t
*zhp
)
922 return (zhp
->zpool_state
);
926 * Create the named pool, using the provided vdev list. It is assumed
927 * that the consumer has already validated the contents of the nvlist, so we
928 * don't have to worry about error semantics.
931 zpool_create(libzfs_handle_t
*hdl
, const char *pool
, nvlist_t
*nvroot
,
932 nvlist_t
*props
, nvlist_t
*fsprops
)
934 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
935 nvlist_t
*zc_fsprops
= NULL
;
936 nvlist_t
*zc_props
= NULL
;
941 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
942 "cannot create '%s'"), pool
);
944 if (!zpool_name_valid(hdl
, B_FALSE
, pool
))
945 return (zfs_error(hdl
, EZFS_INVALIDNAME
, msg
));
947 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
951 prop_flags_t flags
= { .create
= B_TRUE
, .import
= B_FALSE
};
953 if ((zc_props
= zpool_valid_proplist(hdl
, pool
, props
,
954 SPA_VERSION_1
, flags
, msg
)) == NULL
) {
963 zoned
= ((nvlist_lookup_string(fsprops
,
964 zfs_prop_to_name(ZFS_PROP_ZONED
), &zonestr
) == 0) &&
965 strcmp(zonestr
, "on") == 0);
967 if ((zc_fsprops
= zfs_valid_proplist(hdl
,
968 ZFS_TYPE_FILESYSTEM
, fsprops
, zoned
, NULL
, msg
)) == NULL
) {
972 (nvlist_alloc(&zc_props
, NV_UNIQUE_NAME
, 0) != 0)) {
975 if (nvlist_add_nvlist(zc_props
,
976 ZPOOL_ROOTFS_PROPS
, zc_fsprops
) != 0) {
981 if (zc_props
&& zcmd_write_src_nvlist(hdl
, &zc
, zc_props
) != 0)
984 (void) strlcpy(zc
.zc_name
, pool
, sizeof (zc
.zc_name
));
986 if ((ret
= zfs_ioctl(hdl
, ZFS_IOC_POOL_CREATE
, &zc
)) != 0) {
988 zcmd_free_nvlists(&zc
);
989 nvlist_free(zc_props
);
990 nvlist_free(zc_fsprops
);
995 * This can happen if the user has specified the same
996 * device multiple times. We can't reliably detect this
997 * until we try to add it and see we already have a
998 * label. This can also happen under if the device is
999 * part of an active md or lvm device.
1001 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1002 "one or more vdevs refer to the same device, or one of\n"
1003 "the devices is part of an active md or lvm device"));
1004 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1008 * This occurs when one of the devices is below
1009 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1010 * device was the problem device since there's no
1011 * reliable way to determine device size from userland.
1016 zfs_nicenum(SPA_MINDEVSIZE
, buf
, sizeof (buf
));
1018 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1019 "one or more devices is less than the "
1020 "minimum size (%s)"), buf
);
1022 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1025 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1026 "one or more devices is out of space"));
1027 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1030 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1031 "cache device must be a disk or disk slice"));
1032 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1035 return (zpool_standard_error(hdl
, errno
, msg
));
1040 * If this is an alternate root pool, then we automatically set the
1041 * mountpoint of the root dataset to be '/'.
1043 if (nvlist_lookup_string(props
, zpool_prop_to_name(ZPOOL_PROP_ALTROOT
),
1047 verify((zhp
= zfs_open(hdl
, pool
, ZFS_TYPE_DATASET
)) != NULL
);
1048 verify(zfs_prop_set(zhp
, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT
),
1055 zcmd_free_nvlists(&zc
);
1056 nvlist_free(zc_props
);
1057 nvlist_free(zc_fsprops
);
1062 * Destroy the given pool. It is up to the caller to ensure that there are no
1063 * datasets left in the pool.
1066 zpool_destroy(zpool_handle_t
*zhp
)
1068 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1069 zfs_handle_t
*zfp
= NULL
;
1070 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1073 if (zhp
->zpool_state
== POOL_STATE_ACTIVE
&&
1074 (zfp
= zfs_open(hdl
, zhp
->zpool_name
, ZFS_TYPE_FILESYSTEM
)) == NULL
)
1077 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1079 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_DESTROY
, &zc
) != 0) {
1080 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1081 "cannot destroy '%s'"), zhp
->zpool_name
);
1083 if (errno
== EROFS
) {
1084 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1085 "one or more devices is read only"));
1086 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1088 (void) zpool_standard_error(hdl
, errno
, msg
);
1097 remove_mountpoint(zfp
);
1105 * Add the given vdevs to the pool. The caller must have already performed the
1106 * necessary verification to ensure that the vdev specification is well-formed.
1109 zpool_add(zpool_handle_t
*zhp
, nvlist_t
*nvroot
)
1111 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1113 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1115 nvlist_t
**spares
, **l2cache
;
1116 uint_t nspares
, nl2cache
;
1118 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1119 "cannot add to '%s'"), zhp
->zpool_name
);
1121 if (zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
) <
1122 SPA_VERSION_SPARES
&&
1123 nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_SPARES
,
1124 &spares
, &nspares
) == 0) {
1125 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "pool must be "
1126 "upgraded to add hot spares"));
1127 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
1130 if (pool_is_bootable(zhp
) && nvlist_lookup_nvlist_array(nvroot
,
1131 ZPOOL_CONFIG_SPARES
, &spares
, &nspares
) == 0) {
1134 for (s
= 0; s
< nspares
; s
++) {
1137 if (nvlist_lookup_string(spares
[s
], ZPOOL_CONFIG_PATH
,
1138 &path
) == 0 && pool_uses_efi(spares
[s
])) {
1139 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1140 "device '%s' contains an EFI label and "
1141 "cannot be used on root pools."),
1142 zpool_vdev_name(hdl
, NULL
, spares
[s
],
1144 return (zfs_error(hdl
, EZFS_POOL_NOTSUP
, msg
));
1149 if (zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
) <
1150 SPA_VERSION_L2CACHE
&&
1151 nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_L2CACHE
,
1152 &l2cache
, &nl2cache
) == 0) {
1153 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "pool must be "
1154 "upgraded to add cache devices"));
1155 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
1158 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
1160 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1162 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_ADD
, &zc
) != 0) {
1166 * This can happen if the user has specified the same
1167 * device multiple times. We can't reliably detect this
1168 * until we try to add it and see we already have a
1171 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1172 "one or more vdevs refer to the same device"));
1173 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1178 * This occurrs when one of the devices is below
1179 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1180 * device was the problem device since there's no
1181 * reliable way to determine device size from userland.
1186 zfs_nicenum(SPA_MINDEVSIZE
, buf
, sizeof (buf
));
1188 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1189 "device is less than the minimum "
1192 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1196 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1197 "pool must be upgraded to add these vdevs"));
1198 (void) zfs_error(hdl
, EZFS_BADVERSION
, msg
);
1202 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1203 "root pool can not have multiple vdevs"
1204 " or separate logs"));
1205 (void) zfs_error(hdl
, EZFS_POOL_NOTSUP
, msg
);
1209 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1210 "cache device must be a disk or disk slice"));
1211 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1215 (void) zpool_standard_error(hdl
, errno
, msg
);
1223 zcmd_free_nvlists(&zc
);
1229 * Exports the pool from the system. The caller must ensure that there are no
1230 * mounted datasets in the pool.
1233 zpool_export_common(zpool_handle_t
*zhp
, boolean_t force
, boolean_t hardforce
)
1235 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1238 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1239 "cannot export '%s'"), zhp
->zpool_name
);
1241 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1242 zc
.zc_cookie
= force
;
1243 zc
.zc_guid
= hardforce
;
1245 if (zfs_ioctl(zhp
->zpool_hdl
, ZFS_IOC_POOL_EXPORT
, &zc
) != 0) {
1248 zfs_error_aux(zhp
->zpool_hdl
, dgettext(TEXT_DOMAIN
,
1249 "use '-f' to override the following errors:\n"
1250 "'%s' has an active shared spare which could be"
1251 " used by other pools once '%s' is exported."),
1252 zhp
->zpool_name
, zhp
->zpool_name
);
1253 return (zfs_error(zhp
->zpool_hdl
, EZFS_ACTIVE_SPARE
,
1256 return (zpool_standard_error_fmt(zhp
->zpool_hdl
, errno
,
1265 zpool_export(zpool_handle_t
*zhp
, boolean_t force
)
1267 return (zpool_export_common(zhp
, force
, B_FALSE
));
1271 zpool_export_force(zpool_handle_t
*zhp
)
1273 return (zpool_export_common(zhp
, B_TRUE
, B_TRUE
));
1277 zpool_rewind_exclaim(libzfs_handle_t
*hdl
, const char *name
, boolean_t dryrun
,
1280 nvlist_t
*nv
= NULL
;
1286 if (!hdl
->libzfs_printerr
|| config
== NULL
)
1289 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nv
) != 0)
1292 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_TIME
, &rewindto
) != 0)
1294 (void) nvlist_lookup_int64(nv
, ZPOOL_CONFIG_REWIND_TIME
, &loss
);
1296 if (localtime_r((time_t *)&rewindto
, &t
) != NULL
&&
1297 strftime(timestr
, 128, "%c", &t
) != 0) {
1299 (void) printf(dgettext(TEXT_DOMAIN
,
1300 "Would be able to return %s "
1301 "to its state as of %s.\n"),
1304 (void) printf(dgettext(TEXT_DOMAIN
,
1305 "Pool %s returned to its state as of %s.\n"),
1309 (void) printf(dgettext(TEXT_DOMAIN
,
1310 "%s approximately %lld "),
1311 dryrun
? "Would discard" : "Discarded",
1312 ((longlong_t
)loss
+ 30) / 60);
1313 (void) printf(dgettext(TEXT_DOMAIN
,
1314 "minutes of transactions.\n"));
1315 } else if (loss
> 0) {
1316 (void) printf(dgettext(TEXT_DOMAIN
,
1317 "%s approximately %lld "),
1318 dryrun
? "Would discard" : "Discarded",
1320 (void) printf(dgettext(TEXT_DOMAIN
,
1321 "seconds of transactions.\n"));
1327 zpool_explain_recover(libzfs_handle_t
*hdl
, const char *name
, int reason
,
1330 nvlist_t
*nv
= NULL
;
1332 uint64_t edata
= UINT64_MAX
;
1337 if (!hdl
->libzfs_printerr
)
1341 (void) printf(dgettext(TEXT_DOMAIN
, "action: "));
1343 (void) printf(dgettext(TEXT_DOMAIN
, "\t"));
1345 /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */
1346 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nv
) != 0 ||
1347 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_TIME
, &rewindto
) != 0)
1350 (void) nvlist_lookup_int64(nv
, ZPOOL_CONFIG_REWIND_TIME
, &loss
);
1351 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_DATA_ERRORS
,
1354 (void) printf(dgettext(TEXT_DOMAIN
,
1355 "Recovery is possible, but will result in some data loss.\n"));
1357 if (localtime_r((time_t *)&rewindto
, &t
) != NULL
&&
1358 strftime(timestr
, 128, "%c", &t
) != 0) {
1359 (void) printf(dgettext(TEXT_DOMAIN
,
1360 "\tReturning the pool to its state as of %s\n"
1361 "\tshould correct the problem. "),
1364 (void) printf(dgettext(TEXT_DOMAIN
,
1365 "\tReverting the pool to an earlier state "
1366 "should correct the problem.\n\t"));
1370 (void) printf(dgettext(TEXT_DOMAIN
,
1371 "Approximately %lld minutes of data\n"
1372 "\tmust be discarded, irreversibly. "),
1373 ((longlong_t
)loss
+ 30) / 60);
1374 } else if (loss
> 0) {
1375 (void) printf(dgettext(TEXT_DOMAIN
,
1376 "Approximately %lld seconds of data\n"
1377 "\tmust be discarded, irreversibly. "),
1380 if (edata
!= 0 && edata
!= UINT64_MAX
) {
1382 (void) printf(dgettext(TEXT_DOMAIN
,
1383 "After rewind, at least\n"
1384 "\tone persistent user-data error will remain. "));
1386 (void) printf(dgettext(TEXT_DOMAIN
,
1387 "After rewind, several\n"
1388 "\tpersistent user-data errors will remain. "));
1391 (void) printf(dgettext(TEXT_DOMAIN
,
1392 "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "),
1393 reason
>= 0 ? "clear" : "import", name
);
1395 (void) printf(dgettext(TEXT_DOMAIN
,
1396 "A scrub of the pool\n"
1397 "\tis strongly recommended after recovery.\n"));
1401 (void) printf(dgettext(TEXT_DOMAIN
,
1402 "Destroy and re-create the pool from\n\ta backup source.\n"));
1406 * zpool_import() is a contracted interface. Should be kept the same
1409 * Applications should use zpool_import_props() to import a pool with
1410 * new properties value to be set.
1413 zpool_import(libzfs_handle_t
*hdl
, nvlist_t
*config
, const char *newname
,
1416 nvlist_t
*props
= NULL
;
1419 if (altroot
!= NULL
) {
1420 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0) {
1421 return (zfs_error_fmt(hdl
, EZFS_NOMEM
,
1422 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1426 if (nvlist_add_string(props
,
1427 zpool_prop_to_name(ZPOOL_PROP_ALTROOT
), altroot
) != 0 ||
1428 nvlist_add_string(props
,
1429 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE
), "none") != 0) {
1431 return (zfs_error_fmt(hdl
, EZFS_NOMEM
,
1432 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1437 ret
= zpool_import_props(hdl
, config
, newname
, props
,
1445 print_vdev_tree(libzfs_handle_t
*hdl
, const char *name
, nvlist_t
*nv
,
1451 uint64_t is_log
= 0;
1453 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_IS_LOG
,
1457 (void) printf("\t%*s%s%s\n", indent
, "", name
,
1458 is_log
? " [log]" : "");
1460 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_CHILDREN
,
1461 &child
, &children
) != 0)
1464 for (c
= 0; c
< children
; c
++) {
1465 vname
= zpool_vdev_name(hdl
, NULL
, child
[c
], B_TRUE
);
1466 print_vdev_tree(hdl
, vname
, child
[c
], indent
+ 2);
1472 * Import the given pool using the known configuration and a list of
1473 * properties to be set. The configuration should have come from
1474 * zpool_find_import(). The 'newname' parameters control whether the pool
1475 * is imported with a different name.
1478 zpool_import_props(libzfs_handle_t
*hdl
, nvlist_t
*config
, const char *newname
,
1479 nvlist_t
*props
, int flags
)
1481 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1482 zpool_rewind_policy_t policy
;
1483 nvlist_t
*nv
= NULL
;
1484 nvlist_t
*nvinfo
= NULL
;
1485 nvlist_t
*missing
= NULL
;
1492 verify(nvlist_lookup_string(config
, ZPOOL_CONFIG_POOL_NAME
,
1495 (void) snprintf(errbuf
, sizeof (errbuf
), dgettext(TEXT_DOMAIN
,
1496 "cannot import pool '%s'"), origname
);
1498 if (newname
!= NULL
) {
1499 if (!zpool_name_valid(hdl
, B_FALSE
, newname
))
1500 return (zfs_error_fmt(hdl
, EZFS_INVALIDNAME
,
1501 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1503 thename
= (char *)newname
;
1510 prop_flags_t flags
= { .create
= B_FALSE
, .import
= B_TRUE
};
1512 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_VERSION
,
1515 if ((props
= zpool_valid_proplist(hdl
, origname
,
1516 props
, version
, flags
, errbuf
)) == NULL
) {
1518 } else if (zcmd_write_src_nvlist(hdl
, &zc
, props
) != 0) {
1524 (void) strlcpy(zc
.zc_name
, thename
, sizeof (zc
.zc_name
));
1526 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_POOL_GUID
,
1529 if (zcmd_write_conf_nvlist(hdl
, &zc
, config
) != 0) {
1533 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, zc
.zc_nvlist_conf_size
* 2) != 0) {
1538 zc
.zc_cookie
= flags
;
1539 while ((ret
= zfs_ioctl(hdl
, ZFS_IOC_POOL_IMPORT
, &zc
)) != 0 &&
1541 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
1542 zcmd_free_nvlists(&zc
);
1549 (void) zcmd_read_dst_nvlist(hdl
, &zc
, &nv
);
1550 zpool_get_rewind_policy(config
, &policy
);
1556 * Dry-run failed, but we print out what success
1557 * looks like if we found a best txg
1559 if (policy
.zrp_request
& ZPOOL_TRY_REWIND
) {
1560 zpool_rewind_exclaim(hdl
, newname
? origname
: thename
,
1566 if (newname
== NULL
)
1567 (void) snprintf(desc
, sizeof (desc
),
1568 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1571 (void) snprintf(desc
, sizeof (desc
),
1572 dgettext(TEXT_DOMAIN
, "cannot import '%s' as '%s'"),
1578 * Unsupported version.
1580 (void) zfs_error(hdl
, EZFS_BADVERSION
, desc
);
1584 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, desc
);
1588 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1589 "one or more devices is read only"));
1590 (void) zfs_error(hdl
, EZFS_BADDEV
, desc
);
1594 if (nv
&& nvlist_lookup_nvlist(nv
,
1595 ZPOOL_CONFIG_LOAD_INFO
, &nvinfo
) == 0 &&
1596 nvlist_lookup_nvlist(nvinfo
,
1597 ZPOOL_CONFIG_MISSING_DEVICES
, &missing
) == 0) {
1598 (void) printf(dgettext(TEXT_DOMAIN
,
1599 "The devices below are missing, use "
1600 "'-m' to import the pool anyway:\n"));
1601 print_vdev_tree(hdl
, NULL
, missing
, 2);
1602 (void) printf("\n");
1604 (void) zpool_standard_error(hdl
, error
, desc
);
1608 (void) zpool_standard_error(hdl
, error
, desc
);
1612 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1613 "one or more devices are already in use\n"));
1614 (void) zfs_error(hdl
, EZFS_BADDEV
, desc
);
1618 (void) zpool_standard_error(hdl
, error
, desc
);
1619 zpool_explain_recover(hdl
,
1620 newname
? origname
: thename
, -error
, nv
);
1627 zpool_handle_t
*zhp
;
1630 * This should never fail, but play it safe anyway.
1632 if (zpool_open_silent(hdl
, thename
, &zhp
) != 0)
1634 else if (zhp
!= NULL
)
1636 if (policy
.zrp_request
&
1637 (ZPOOL_DO_REWIND
| ZPOOL_TRY_REWIND
)) {
1638 zpool_rewind_exclaim(hdl
, newname
? origname
: thename
,
1639 ((policy
.zrp_request
& ZPOOL_TRY_REWIND
) != 0), nv
);
1645 zcmd_free_nvlists(&zc
);
1655 zpool_scan(zpool_handle_t
*zhp
, pool_scan_func_t func
)
1657 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
1659 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1661 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1662 zc
.zc_cookie
= func
;
1664 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_SCAN
, &zc
) == 0 ||
1665 (errno
== ENOENT
&& func
!= POOL_SCAN_NONE
))
1668 if (func
== POOL_SCAN_SCRUB
) {
1669 (void) snprintf(msg
, sizeof (msg
),
1670 dgettext(TEXT_DOMAIN
, "cannot scrub %s"), zc
.zc_name
);
1671 } else if (func
== POOL_SCAN_NONE
) {
1672 (void) snprintf(msg
, sizeof (msg
),
1673 dgettext(TEXT_DOMAIN
, "cannot cancel scrubbing %s"),
1676 assert(!"unexpected result");
1679 if (errno
== EBUSY
) {
1681 pool_scan_stat_t
*ps
= NULL
;
1684 verify(nvlist_lookup_nvlist(zhp
->zpool_config
,
1685 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
1686 (void) nvlist_lookup_uint64_array(nvroot
,
1687 ZPOOL_CONFIG_SCAN_STATS
, (uint64_t **)&ps
, &psc
);
1688 if (ps
&& ps
->pss_func
== POOL_SCAN_SCRUB
)
1689 return (zfs_error(hdl
, EZFS_SCRUBBING
, msg
));
1691 return (zfs_error(hdl
, EZFS_RESILVERING
, msg
));
1692 } else if (errno
== ENOENT
) {
1693 return (zfs_error(hdl
, EZFS_NO_SCRUB
, msg
));
1695 return (zpool_standard_error(hdl
, errno
, msg
));
1700 * Find a vdev that matches the search criteria specified. We use the
1701 * the nvpair name to determine how we should look for the device.
1702 * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
1703 * spare; but FALSE if its an INUSE spare.
1706 vdev_to_nvlist_iter(nvlist_t
*nv
, nvlist_t
*search
, boolean_t
*avail_spare
,
1707 boolean_t
*l2cache
, boolean_t
*log
)
1714 nvpair_t
*pair
= nvlist_next_nvpair(search
, NULL
);
1716 /* Nothing to look for */
1717 if (search
== NULL
|| pair
== NULL
)
1720 /* Obtain the key we will use to search */
1721 srchkey
= nvpair_name(pair
);
1723 switch (nvpair_type(pair
)) {
1724 case DATA_TYPE_UINT64
:
1725 if (strcmp(srchkey
, ZPOOL_CONFIG_GUID
) == 0) {
1726 uint64_t srchval
, theguid
;
1728 verify(nvpair_value_uint64(pair
, &srchval
) == 0);
1729 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
1731 if (theguid
== srchval
)
1736 case DATA_TYPE_STRING
: {
1737 char *srchval
, *val
;
1739 verify(nvpair_value_string(pair
, &srchval
) == 0);
1740 if (nvlist_lookup_string(nv
, srchkey
, &val
) != 0)
1744 * Search for the requested value. Special cases:
1746 * - ZPOOL_CONFIG_PATH for whole disk entries. These end in with a
1747 * partition suffix "1", "-part1", or "p1". The suffix is hidden
1748 * from the user, but included in the string, so this matches around
1750 * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE).
1752 * Otherwise, all other searches are simple string compares.
1754 if (strcmp(srchkey
, ZPOOL_CONFIG_PATH
) == 0) {
1755 uint64_t wholedisk
= 0;
1757 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_WHOLE_DISK
,
1760 char buf
[MAXPATHLEN
];
1762 zfs_append_partition(srchval
, buf
, sizeof (buf
));
1763 if (strcmp(val
, buf
) == 0)
1768 } else if (strcmp(srchkey
, ZPOOL_CONFIG_TYPE
) == 0 && val
) {
1769 char *type
, *idx
, *end
, *p
;
1770 uint64_t id
, vdev_id
;
1773 * Determine our vdev type, keeping in mind
1774 * that the srchval is composed of a type and
1775 * vdev id pair (i.e. mirror-4).
1777 if ((type
= strdup(srchval
)) == NULL
)
1780 if ((p
= strrchr(type
, '-')) == NULL
) {
1788 * If the types don't match then keep looking.
1790 if (strncmp(val
, type
, strlen(val
)) != 0) {
1795 verify(strncmp(type
, VDEV_TYPE_RAIDZ
,
1796 strlen(VDEV_TYPE_RAIDZ
)) == 0 ||
1797 strncmp(type
, VDEV_TYPE_MIRROR
,
1798 strlen(VDEV_TYPE_MIRROR
)) == 0);
1799 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_ID
,
1803 vdev_id
= strtoull(idx
, &end
, 10);
1810 * Now verify that we have the correct vdev id.
1819 if (strcmp(srchval
, val
) == 0)
1828 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_CHILDREN
,
1829 &child
, &children
) != 0)
1832 for (c
= 0; c
< children
; c
++) {
1833 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
1834 avail_spare
, l2cache
, NULL
)) != NULL
) {
1836 * The 'is_log' value is only set for the toplevel
1837 * vdev, not the leaf vdevs. So we always lookup the
1838 * log device from the root of the vdev tree (where
1839 * 'log' is non-NULL).
1842 nvlist_lookup_uint64(child
[c
],
1843 ZPOOL_CONFIG_IS_LOG
, &is_log
) == 0 &&
1851 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_SPARES
,
1852 &child
, &children
) == 0) {
1853 for (c
= 0; c
< children
; c
++) {
1854 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
1855 avail_spare
, l2cache
, NULL
)) != NULL
) {
1856 *avail_spare
= B_TRUE
;
1862 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_L2CACHE
,
1863 &child
, &children
) == 0) {
1864 for (c
= 0; c
< children
; c
++) {
1865 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
1866 avail_spare
, l2cache
, NULL
)) != NULL
) {
1877 * Given a physical path (minus the "/devices" prefix), find the
1881 zpool_find_vdev_by_physpath(zpool_handle_t
*zhp
, const char *ppath
,
1882 boolean_t
*avail_spare
, boolean_t
*l2cache
, boolean_t
*log
)
1884 nvlist_t
*search
, *nvroot
, *ret
;
1886 verify(nvlist_alloc(&search
, NV_UNIQUE_NAME
, KM_SLEEP
) == 0);
1887 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PHYS_PATH
, ppath
) == 0);
1889 verify(nvlist_lookup_nvlist(zhp
->zpool_config
, ZPOOL_CONFIG_VDEV_TREE
,
1892 *avail_spare
= B_FALSE
;
1896 ret
= vdev_to_nvlist_iter(nvroot
, search
, avail_spare
, l2cache
, log
);
1897 nvlist_free(search
);
1903 * Determine if we have an "interior" top-level vdev (i.e mirror/raidz).
1906 zpool_vdev_is_interior(const char *name
)
1908 if (strncmp(name
, VDEV_TYPE_RAIDZ
, strlen(VDEV_TYPE_RAIDZ
)) == 0 ||
1909 strncmp(name
, VDEV_TYPE_MIRROR
, strlen(VDEV_TYPE_MIRROR
)) == 0)
1915 zpool_find_vdev(zpool_handle_t
*zhp
, const char *path
, boolean_t
*avail_spare
,
1916 boolean_t
*l2cache
, boolean_t
*log
)
1918 char buf
[MAXPATHLEN
];
1920 nvlist_t
*nvroot
, *search
, *ret
;
1923 verify(nvlist_alloc(&search
, NV_UNIQUE_NAME
, KM_SLEEP
) == 0);
1925 guid
= strtoull(path
, &end
, 10);
1926 if (guid
!= 0 && *end
== '\0') {
1927 verify(nvlist_add_uint64(search
, ZPOOL_CONFIG_GUID
, guid
) == 0);
1928 } else if (zpool_vdev_is_interior(path
)) {
1929 verify(nvlist_add_string(search
, ZPOOL_CONFIG_TYPE
, path
) == 0);
1930 } else if (path
[0] != '/') {
1931 if (zfs_resolve_shortname(path
, buf
, sizeof (buf
)) < 0) {
1932 nvlist_free(search
);
1935 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PATH
, buf
) == 0);
1937 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PATH
, path
) == 0);
1940 verify(nvlist_lookup_nvlist(zhp
->zpool_config
, ZPOOL_CONFIG_VDEV_TREE
,
1943 *avail_spare
= B_FALSE
;
1947 ret
= vdev_to_nvlist_iter(nvroot
, search
, avail_spare
, l2cache
, log
);
1948 nvlist_free(search
);
1954 vdev_online(nvlist_t
*nv
)
1958 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_OFFLINE
, &ival
) == 0 ||
1959 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_FAULTED
, &ival
) == 0 ||
1960 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_REMOVED
, &ival
) == 0)
1967 * Helper function for zpool_get_physpaths().
1970 vdev_get_one_physpath(nvlist_t
*config
, char *physpath
, size_t physpath_size
,
1971 size_t *bytes_written
)
1973 size_t bytes_left
, pos
, rsz
;
1977 if (nvlist_lookup_string(config
, ZPOOL_CONFIG_PHYS_PATH
,
1979 return (EZFS_NODEVICE
);
1981 pos
= *bytes_written
;
1982 bytes_left
= physpath_size
- pos
;
1983 format
= (pos
== 0) ? "%s" : " %s";
1985 rsz
= snprintf(physpath
+ pos
, bytes_left
, format
, tmppath
);
1986 *bytes_written
+= rsz
;
1988 if (rsz
>= bytes_left
) {
1989 /* if physpath was not copied properly, clear it */
1990 if (bytes_left
!= 0) {
1993 return (EZFS_NOSPC
);
1999 vdev_get_physpaths(nvlist_t
*nv
, char *physpath
, size_t phypath_size
,
2000 size_t *rsz
, boolean_t is_spare
)
2005 if (nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &type
) != 0)
2006 return (EZFS_INVALCONFIG
);
2008 if (strcmp(type
, VDEV_TYPE_DISK
) == 0) {
2010 * An active spare device has ZPOOL_CONFIG_IS_SPARE set.
2011 * For a spare vdev, we only want to boot from the active
2016 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_IS_SPARE
,
2019 return (EZFS_INVALCONFIG
);
2022 if (vdev_online(nv
)) {
2023 if ((ret
= vdev_get_one_physpath(nv
, physpath
,
2024 phypath_size
, rsz
)) != 0)
2027 } else if (strcmp(type
, VDEV_TYPE_MIRROR
) == 0 ||
2028 strcmp(type
, VDEV_TYPE_REPLACING
) == 0 ||
2029 (is_spare
= (strcmp(type
, VDEV_TYPE_SPARE
) == 0))) {
2034 if (nvlist_lookup_nvlist_array(nv
,
2035 ZPOOL_CONFIG_CHILDREN
, &child
, &count
) != 0)
2036 return (EZFS_INVALCONFIG
);
2038 for (i
= 0; i
< count
; i
++) {
2039 ret
= vdev_get_physpaths(child
[i
], physpath
,
2040 phypath_size
, rsz
, is_spare
);
2041 if (ret
== EZFS_NOSPC
)
2046 return (EZFS_POOL_INVALARG
);
2050 * Get phys_path for a root pool config.
2051 * Return 0 on success; non-zero on failure.
2054 zpool_get_config_physpath(nvlist_t
*config
, char *physpath
, size_t phypath_size
)
2057 nvlist_t
*vdev_root
;
2064 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_VDEV_TREE
,
2066 return (EZFS_INVALCONFIG
);
2068 if (nvlist_lookup_string(vdev_root
, ZPOOL_CONFIG_TYPE
, &type
) != 0 ||
2069 nvlist_lookup_nvlist_array(vdev_root
, ZPOOL_CONFIG_CHILDREN
,
2070 &child
, &count
) != 0)
2071 return (EZFS_INVALCONFIG
);
2074 * root pool can not have EFI labeled disks and can only have
2075 * a single top-level vdev.
2077 if (strcmp(type
, VDEV_TYPE_ROOT
) != 0 || count
!= 1 ||
2078 pool_uses_efi(vdev_root
))
2079 return (EZFS_POOL_INVALARG
);
2081 (void) vdev_get_physpaths(child
[0], physpath
, phypath_size
, &rsz
,
2084 /* No online devices */
2086 return (EZFS_NODEVICE
);
2092 * Get phys_path for a root pool
2093 * Return 0 on success; non-zero on failure.
2096 zpool_get_physpath(zpool_handle_t
*zhp
, char *physpath
, size_t phypath_size
)
2098 return (zpool_get_config_physpath(zhp
->zpool_config
, physpath
,
2103 * If the device has being dynamically expanded then we need to relabel
2104 * the disk to use the new unallocated space.
2107 zpool_relabel_disk(libzfs_handle_t
*hdl
, const char *path
, const char *msg
)
2111 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0) {
2112 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
2113 "relabel '%s': unable to open device: %d"), path
, errno
);
2114 return (zfs_error(hdl
, EZFS_OPENFAILED
, msg
));
2118 * It's possible that we might encounter an error if the device
2119 * does not have any unallocated space left. If so, we simply
2120 * ignore that error and continue on.
2122 * Also, we don't call efi_rescan() - that would just return EBUSY.
2123 * The module will do it for us in vdev_disk_open().
2125 error
= efi_use_whole_disk(fd
);
2127 if (error
&& error
!= VT_ENOSPC
) {
2128 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
2129 "relabel '%s': unable to read disk capacity"), path
);
2130 return (zfs_error(hdl
, EZFS_NOCAP
, msg
));
2136 * Bring the specified vdev online. The 'flags' parameter is a set of the
2137 * ZFS_ONLINE_* flags.
2140 zpool_vdev_online(zpool_handle_t
*zhp
, const char *path
, int flags
,
2141 vdev_state_t
*newstate
)
2143 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2146 boolean_t avail_spare
, l2cache
, islog
;
2147 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2150 if (flags
& ZFS_ONLINE_EXPAND
) {
2151 (void) snprintf(msg
, sizeof (msg
),
2152 dgettext(TEXT_DOMAIN
, "cannot expand %s"), path
);
2154 (void) snprintf(msg
, sizeof (msg
),
2155 dgettext(TEXT_DOMAIN
, "cannot online %s"), path
);
2158 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2159 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2161 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2163 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2166 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2168 if (flags
& ZFS_ONLINE_EXPAND
||
2169 zpool_get_prop_int(zhp
, ZPOOL_PROP_AUTOEXPAND
, NULL
)) {
2170 uint64_t wholedisk
= 0;
2172 (void) nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_WHOLE_DISK
,
2176 * XXX - L2ARC 1.0 devices can't support expansion.
2179 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2180 "cannot expand cache devices"));
2181 return (zfs_error(hdl
, EZFS_VDEVNOTSUP
, msg
));
2185 const char *fullpath
= path
;
2186 char buf
[MAXPATHLEN
];
2188 if (path
[0] != '/') {
2189 error
= zfs_resolve_shortname(path
, buf
,
2192 return (zfs_error(hdl
, EZFS_NODEVICE
,
2198 error
= zpool_relabel_disk(hdl
, fullpath
, msg
);
2204 zc
.zc_cookie
= VDEV_STATE_ONLINE
;
2207 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SET_STATE
, &zc
) != 0) {
2208 if (errno
== EINVAL
) {
2209 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "was split "
2210 "from this pool into a new one. Use '%s' "
2211 "instead"), "zpool detach");
2212 return (zfs_error(hdl
, EZFS_POSTSPLIT_ONLINE
, msg
));
2214 return (zpool_standard_error(hdl
, errno
, msg
));
2217 *newstate
= zc
.zc_cookie
;
2222 * Take the specified vdev offline
2225 zpool_vdev_offline(zpool_handle_t
*zhp
, const char *path
, boolean_t istmp
)
2227 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2230 boolean_t avail_spare
, l2cache
;
2231 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2233 (void) snprintf(msg
, sizeof (msg
),
2234 dgettext(TEXT_DOMAIN
, "cannot offline %s"), path
);
2236 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2237 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2239 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2241 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2244 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2246 zc
.zc_cookie
= VDEV_STATE_OFFLINE
;
2247 zc
.zc_obj
= istmp
? ZFS_OFFLINE_TEMPORARY
: 0;
2249 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2256 * There are no other replicas of this device.
2258 return (zfs_error(hdl
, EZFS_NOREPLICAS
, msg
));
2262 * The log device has unplayed logs
2264 return (zfs_error(hdl
, EZFS_UNPLAYED_LOGS
, msg
));
2267 return (zpool_standard_error(hdl
, errno
, msg
));
2272 * Mark the given vdev faulted.
2275 zpool_vdev_fault(zpool_handle_t
*zhp
, uint64_t guid
, vdev_aux_t aux
)
2277 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2279 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2281 (void) snprintf(msg
, sizeof (msg
),
2282 dgettext(TEXT_DOMAIN
, "cannot fault %llu"), (u_longlong_t
)guid
);
2284 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2286 zc
.zc_cookie
= VDEV_STATE_FAULTED
;
2289 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2296 * There are no other replicas of this device.
2298 return (zfs_error(hdl
, EZFS_NOREPLICAS
, msg
));
2301 return (zpool_standard_error(hdl
, errno
, msg
));
2307 * Mark the given vdev degraded.
2310 zpool_vdev_degrade(zpool_handle_t
*zhp
, uint64_t guid
, vdev_aux_t aux
)
2312 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2314 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2316 (void) snprintf(msg
, sizeof (msg
),
2317 dgettext(TEXT_DOMAIN
, "cannot degrade %llu"), (u_longlong_t
)guid
);
2319 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2321 zc
.zc_cookie
= VDEV_STATE_DEGRADED
;
2324 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2327 return (zpool_standard_error(hdl
, errno
, msg
));
2331 * Returns TRUE if the given nvlist is a vdev that was originally swapped in as
2335 is_replacing_spare(nvlist_t
*search
, nvlist_t
*tgt
, int which
)
2341 if (nvlist_lookup_nvlist_array(search
, ZPOOL_CONFIG_CHILDREN
, &child
,
2343 verify(nvlist_lookup_string(search
, ZPOOL_CONFIG_TYPE
,
2346 if (strcmp(type
, VDEV_TYPE_SPARE
) == 0 &&
2347 children
== 2 && child
[which
] == tgt
)
2350 for (c
= 0; c
< children
; c
++)
2351 if (is_replacing_spare(child
[c
], tgt
, which
))
2359 * Attach new_disk (fully described by nvroot) to old_disk.
2360 * If 'replacing' is specified, the new disk will replace the old one.
2363 zpool_vdev_attach(zpool_handle_t
*zhp
,
2364 const char *old_disk
, const char *new_disk
, nvlist_t
*nvroot
, int replacing
)
2366 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2370 boolean_t avail_spare
, l2cache
, islog
;
2375 nvlist_t
*config_root
;
2376 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2377 boolean_t rootpool
= pool_is_bootable(zhp
);
2380 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2381 "cannot replace %s with %s"), old_disk
, new_disk
);
2383 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2384 "cannot attach %s to %s"), new_disk
, old_disk
);
2387 * If this is a root pool, make sure that we're not attaching an
2388 * EFI labeled device.
2390 if (rootpool
&& pool_uses_efi(nvroot
)) {
2391 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2392 "EFI labeled devices are not supported on root pools."));
2393 return (zfs_error(hdl
, EZFS_POOL_NOTSUP
, msg
));
2396 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2397 if ((tgt
= zpool_find_vdev(zhp
, old_disk
, &avail_spare
, &l2cache
,
2399 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2402 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2405 return (zfs_error(hdl
, EZFS_ISL2CACHE
, msg
));
2407 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2408 zc
.zc_cookie
= replacing
;
2410 if (nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_CHILDREN
,
2411 &child
, &children
) != 0 || children
!= 1) {
2412 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2413 "new device must be a single disk"));
2414 return (zfs_error(hdl
, EZFS_INVALCONFIG
, msg
));
2417 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
2418 ZPOOL_CONFIG_VDEV_TREE
, &config_root
) == 0);
2420 if ((newname
= zpool_vdev_name(NULL
, NULL
, child
[0], B_FALSE
)) == NULL
)
2424 * If the target is a hot spare that has been swapped in, we can only
2425 * replace it with another hot spare.
2428 nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_IS_SPARE
, &val
) == 0 &&
2429 (zpool_find_vdev(zhp
, newname
, &avail_spare
, &l2cache
,
2430 NULL
) == NULL
|| !avail_spare
) &&
2431 is_replacing_spare(config_root
, tgt
, 1)) {
2432 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2433 "can only be replaced by another hot spare"));
2435 return (zfs_error(hdl
, EZFS_BADTARGET
, msg
));
2440 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
2443 ret
= zfs_ioctl(hdl
, ZFS_IOC_VDEV_ATTACH
, &zc
);
2445 zcmd_free_nvlists(&zc
);
2450 * XXX need a better way to prevent user from
2451 * booting up a half-baked vdev.
2453 (void) fprintf(stderr
, dgettext(TEXT_DOMAIN
, "Make "
2454 "sure to wait until resilver is done "
2455 "before rebooting.\n"));
2463 * Can't attach to or replace this type of vdev.
2466 uint64_t version
= zpool_get_prop_int(zhp
,
2467 ZPOOL_PROP_VERSION
, NULL
);
2470 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2471 "cannot replace a log with a spare"));
2472 else if (version
>= SPA_VERSION_MULTI_REPLACE
)
2473 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2474 "already in replacing/spare config; wait "
2475 "for completion or use 'zpool detach'"));
2477 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2478 "cannot replace a replacing device"));
2480 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2481 "can only attach to mirrors and top-level "
2484 (void) zfs_error(hdl
, EZFS_BADTARGET
, msg
);
2489 * The new device must be a single disk.
2491 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2492 "new device must be a single disk"));
2493 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
2497 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "%s is busy"),
2499 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
2504 * The new device is too small.
2506 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2507 "device is too small"));
2508 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
2513 * The new device has a different alignment requirement.
2515 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2516 "devices have different sector alignment"));
2517 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
2522 * The resulting top-level vdev spec won't fit in the label.
2524 (void) zfs_error(hdl
, EZFS_DEVOVERFLOW
, msg
);
2528 (void) zpool_standard_error(hdl
, errno
, msg
);
2535 * Detach the specified device.
2538 zpool_vdev_detach(zpool_handle_t
*zhp
, const char *path
)
2540 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2543 boolean_t avail_spare
, l2cache
;
2544 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2546 (void) snprintf(msg
, sizeof (msg
),
2547 dgettext(TEXT_DOMAIN
, "cannot detach %s"), path
);
2549 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2550 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2552 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2555 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2558 return (zfs_error(hdl
, EZFS_ISL2CACHE
, msg
));
2560 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2562 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_DETACH
, &zc
) == 0)
2569 * Can't detach from this type of vdev.
2571 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "only "
2572 "applicable to mirror and replacing vdevs"));
2573 (void) zfs_error(hdl
, EZFS_BADTARGET
, msg
);
2578 * There are no other replicas of this device.
2580 (void) zfs_error(hdl
, EZFS_NOREPLICAS
, msg
);
2584 (void) zpool_standard_error(hdl
, errno
, msg
);
2591 * Find a mirror vdev in the source nvlist.
2593 * The mchild array contains a list of disks in one of the top-level mirrors
2594 * of the source pool. The schild array contains a list of disks that the
2595 * user specified on the command line. We loop over the mchild array to
2596 * see if any entry in the schild array matches.
2598 * If a disk in the mchild array is found in the schild array, we return
2599 * the index of that entry. Otherwise we return -1.
2602 find_vdev_entry(zpool_handle_t
*zhp
, nvlist_t
**mchild
, uint_t mchildren
,
2603 nvlist_t
**schild
, uint_t schildren
)
2607 for (mc
= 0; mc
< mchildren
; mc
++) {
2609 char *mpath
= zpool_vdev_name(zhp
->zpool_hdl
, zhp
,
2610 mchild
[mc
], B_FALSE
);
2612 for (sc
= 0; sc
< schildren
; sc
++) {
2613 char *spath
= zpool_vdev_name(zhp
->zpool_hdl
, zhp
,
2614 schild
[sc
], B_FALSE
);
2615 boolean_t result
= (strcmp(mpath
, spath
) == 0);
2631 * Split a mirror pool. If newroot points to null, then a new nvlist
2632 * is generated and it is the responsibility of the caller to free it.
2635 zpool_vdev_split(zpool_handle_t
*zhp
, char *newname
, nvlist_t
**newroot
,
2636 nvlist_t
*props
, splitflags_t flags
)
2638 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2640 nvlist_t
*tree
, *config
, **child
, **newchild
, *newconfig
= NULL
;
2641 nvlist_t
**varray
= NULL
, *zc_props
= NULL
;
2642 uint_t c
, children
, newchildren
, lastlog
= 0, vcount
, found
= 0;
2643 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2645 boolean_t freelist
= B_FALSE
, memory_err
= B_TRUE
;
2648 (void) snprintf(msg
, sizeof (msg
),
2649 dgettext(TEXT_DOMAIN
, "Unable to split %s"), zhp
->zpool_name
);
2651 if (!zpool_name_valid(hdl
, B_FALSE
, newname
))
2652 return (zfs_error(hdl
, EZFS_INVALIDNAME
, msg
));
2654 if ((config
= zpool_get_config(zhp
, NULL
)) == NULL
) {
2655 (void) fprintf(stderr
, gettext("Internal error: unable to "
2656 "retrieve pool configuration\n"));
2660 verify(nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_VDEV_TREE
, &tree
)
2662 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_VERSION
, &vers
) == 0);
2665 prop_flags_t flags
= { .create
= B_FALSE
, .import
= B_TRUE
};
2666 if ((zc_props
= zpool_valid_proplist(hdl
, zhp
->zpool_name
,
2667 props
, vers
, flags
, msg
)) == NULL
)
2671 if (nvlist_lookup_nvlist_array(tree
, ZPOOL_CONFIG_CHILDREN
, &child
,
2673 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2674 "Source pool is missing vdev tree"));
2676 nvlist_free(zc_props
);
2680 varray
= zfs_alloc(hdl
, children
* sizeof (nvlist_t
*));
2683 if (*newroot
== NULL
||
2684 nvlist_lookup_nvlist_array(*newroot
, ZPOOL_CONFIG_CHILDREN
,
2685 &newchild
, &newchildren
) != 0)
2688 for (c
= 0; c
< children
; c
++) {
2689 uint64_t is_log
= B_FALSE
, is_hole
= B_FALSE
;
2691 nvlist_t
**mchild
, *vdev
;
2696 * Unlike cache & spares, slogs are stored in the
2697 * ZPOOL_CONFIG_CHILDREN array. We filter them out here.
2699 (void) nvlist_lookup_uint64(child
[c
], ZPOOL_CONFIG_IS_LOG
,
2701 (void) nvlist_lookup_uint64(child
[c
], ZPOOL_CONFIG_IS_HOLE
,
2703 if (is_log
|| is_hole
) {
2705 * Create a hole vdev and put it in the config.
2707 if (nvlist_alloc(&vdev
, NV_UNIQUE_NAME
, 0) != 0)
2709 if (nvlist_add_string(vdev
, ZPOOL_CONFIG_TYPE
,
2710 VDEV_TYPE_HOLE
) != 0)
2712 if (nvlist_add_uint64(vdev
, ZPOOL_CONFIG_IS_HOLE
,
2717 varray
[vcount
++] = vdev
;
2721 verify(nvlist_lookup_string(child
[c
], ZPOOL_CONFIG_TYPE
, &type
)
2723 if (strcmp(type
, VDEV_TYPE_MIRROR
) != 0) {
2724 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2725 "Source pool must be composed only of mirrors\n"));
2726 retval
= zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
2730 verify(nvlist_lookup_nvlist_array(child
[c
],
2731 ZPOOL_CONFIG_CHILDREN
, &mchild
, &mchildren
) == 0);
2733 /* find or add an entry for this top-level vdev */
2734 if (newchildren
> 0 &&
2735 (entry
= find_vdev_entry(zhp
, mchild
, mchildren
,
2736 newchild
, newchildren
)) >= 0) {
2737 /* We found a disk that the user specified. */
2738 vdev
= mchild
[entry
];
2741 /* User didn't specify a disk for this vdev. */
2742 vdev
= mchild
[mchildren
- 1];
2745 if (nvlist_dup(vdev
, &varray
[vcount
++], 0) != 0)
2749 /* did we find every disk the user specified? */
2750 if (found
!= newchildren
) {
2751 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "Device list must "
2752 "include at most one disk from each mirror"));
2753 retval
= zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
2757 /* Prepare the nvlist for populating. */
2758 if (*newroot
== NULL
) {
2759 if (nvlist_alloc(newroot
, NV_UNIQUE_NAME
, 0) != 0)
2762 if (nvlist_add_string(*newroot
, ZPOOL_CONFIG_TYPE
,
2763 VDEV_TYPE_ROOT
) != 0)
2766 verify(nvlist_remove_all(*newroot
, ZPOOL_CONFIG_CHILDREN
) == 0);
2769 /* Add all the children we found */
2770 if (nvlist_add_nvlist_array(*newroot
, ZPOOL_CONFIG_CHILDREN
, varray
,
2771 lastlog
== 0 ? vcount
: lastlog
) != 0)
2775 * If we're just doing a dry run, exit now with success.
2778 memory_err
= B_FALSE
;
2783 /* now build up the config list & call the ioctl */
2784 if (nvlist_alloc(&newconfig
, NV_UNIQUE_NAME
, 0) != 0)
2787 if (nvlist_add_nvlist(newconfig
,
2788 ZPOOL_CONFIG_VDEV_TREE
, *newroot
) != 0 ||
2789 nvlist_add_string(newconfig
,
2790 ZPOOL_CONFIG_POOL_NAME
, newname
) != 0 ||
2791 nvlist_add_uint64(newconfig
, ZPOOL_CONFIG_VERSION
, vers
) != 0)
2795 * The new pool is automatically part of the namespace unless we
2796 * explicitly export it.
2799 zc
.zc_cookie
= ZPOOL_EXPORT_AFTER_SPLIT
;
2800 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2801 (void) strlcpy(zc
.zc_string
, newname
, sizeof (zc
.zc_string
));
2802 if (zcmd_write_conf_nvlist(hdl
, &zc
, newconfig
) != 0)
2804 if (zc_props
!= NULL
&& zcmd_write_src_nvlist(hdl
, &zc
, zc_props
) != 0)
2807 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SPLIT
, &zc
) != 0) {
2808 retval
= zpool_standard_error(hdl
, errno
, msg
);
2813 memory_err
= B_FALSE
;
2816 if (varray
!= NULL
) {
2819 for (v
= 0; v
< vcount
; v
++)
2820 nvlist_free(varray
[v
]);
2823 zcmd_free_nvlists(&zc
);
2825 nvlist_free(zc_props
);
2827 nvlist_free(newconfig
);
2829 nvlist_free(*newroot
);
2837 return (no_memory(hdl
));
2843 * Remove the given device. Currently, this is supported only for hot spares
2844 * and level 2 cache devices.
2847 zpool_vdev_remove(zpool_handle_t
*zhp
, const char *path
)
2849 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2852 boolean_t avail_spare
, l2cache
, islog
;
2853 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2856 (void) snprintf(msg
, sizeof (msg
),
2857 dgettext(TEXT_DOMAIN
, "cannot remove %s"), path
);
2859 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2860 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2862 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2864 * XXX - this should just go away.
2866 if (!avail_spare
&& !l2cache
&& !islog
) {
2867 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2868 "only inactive hot spares, cache, top-level, "
2869 "or log devices can be removed"));
2870 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2873 version
= zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
);
2874 if (islog
&& version
< SPA_VERSION_HOLES
) {
2875 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2876 "pool must be upgrade to support log removal"));
2877 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
2880 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2882 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_REMOVE
, &zc
) == 0)
2885 return (zpool_standard_error(hdl
, errno
, msg
));
2889 * Clear the errors for the pool, or the particular device if specified.
2892 zpool_clear(zpool_handle_t
*zhp
, const char *path
, nvlist_t
*rewindnvl
)
2894 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2897 zpool_rewind_policy_t policy
;
2898 boolean_t avail_spare
, l2cache
;
2899 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2900 nvlist_t
*nvi
= NULL
;
2904 (void) snprintf(msg
, sizeof (msg
),
2905 dgettext(TEXT_DOMAIN
, "cannot clear errors for %s"),
2908 (void) snprintf(msg
, sizeof (msg
),
2909 dgettext(TEXT_DOMAIN
, "cannot clear errors for %s"),
2912 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2914 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
,
2915 &l2cache
, NULL
)) == 0)
2916 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2919 * Don't allow error clearing for hot spares. Do allow
2920 * error clearing for l2cache devices.
2923 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2925 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
,
2929 zpool_get_rewind_policy(rewindnvl
, &policy
);
2930 zc
.zc_cookie
= policy
.zrp_request
;
2932 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, zhp
->zpool_config_size
* 2) != 0)
2935 if (zcmd_write_src_nvlist(hdl
, &zc
, rewindnvl
) != 0)
2938 while ((error
= zfs_ioctl(hdl
, ZFS_IOC_CLEAR
, &zc
)) != 0 &&
2940 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
2941 zcmd_free_nvlists(&zc
);
2946 if (!error
|| ((policy
.zrp_request
& ZPOOL_TRY_REWIND
) &&
2947 errno
!= EPERM
&& errno
!= EACCES
)) {
2948 if (policy
.zrp_request
&
2949 (ZPOOL_DO_REWIND
| ZPOOL_TRY_REWIND
)) {
2950 (void) zcmd_read_dst_nvlist(hdl
, &zc
, &nvi
);
2951 zpool_rewind_exclaim(hdl
, zc
.zc_name
,
2952 ((policy
.zrp_request
& ZPOOL_TRY_REWIND
) != 0),
2956 zcmd_free_nvlists(&zc
);
2960 zcmd_free_nvlists(&zc
);
2961 return (zpool_standard_error(hdl
, errno
, msg
));
2965 * Similar to zpool_clear(), but takes a GUID (used by fmd).
2968 zpool_vdev_clear(zpool_handle_t
*zhp
, uint64_t guid
)
2970 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2972 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2974 (void) snprintf(msg
, sizeof (msg
),
2975 dgettext(TEXT_DOMAIN
, "cannot clear errors for %llx"),
2976 (u_longlong_t
)guid
);
2978 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2980 zc
.zc_cookie
= ZPOOL_NO_REWIND
;
2982 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_CLEAR
, &zc
) == 0)
2985 return (zpool_standard_error(hdl
, errno
, msg
));
2989 * Change the GUID for a pool.
2992 zpool_reguid(zpool_handle_t
*zhp
)
2995 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2996 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
2998 (void) snprintf(msg
, sizeof (msg
),
2999 dgettext(TEXT_DOMAIN
, "cannot reguid '%s'"), zhp
->zpool_name
);
3001 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3002 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_REGUID
, &zc
) == 0)
3005 return (zpool_standard_error(hdl
, errno
, msg
));
3009 * Convert from a devid string to a path.
3012 devid_to_path(char *devid_str
)
3017 devid_nmlist_t
*list
= NULL
;
3020 if (devid_str_decode(devid_str
, &devid
, &minor
) != 0)
3023 ret
= devid_deviceid_to_nmlist("/dev", devid
, minor
, &list
);
3025 devid_str_free(minor
);
3031 if ((path
= strdup(list
[0].devname
)) == NULL
)
3034 devid_free_nmlist(list
);
3040 * Convert from a path to a devid string.
3043 path_to_devid(const char *path
)
3049 if ((fd
= open(path
, O_RDONLY
)) < 0)
3054 if (devid_get(fd
, &devid
) == 0) {
3055 if (devid_get_minor_name(fd
, &minor
) == 0)
3056 ret
= devid_str_encode(devid
, minor
);
3058 devid_str_free(minor
);
3067 * Issue the necessary ioctl() to update the stored path value for the vdev. We
3068 * ignore any failure here, since a common case is for an unprivileged user to
3069 * type 'zpool status', and we'll display the correct information anyway.
3072 set_path(zpool_handle_t
*zhp
, nvlist_t
*nv
, const char *path
)
3074 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3076 (void) strncpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3077 (void) strncpy(zc
.zc_value
, path
, sizeof (zc
.zc_value
));
3078 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
3081 (void) ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_VDEV_SETPATH
, &zc
);
3085 * Remove partition suffix from a vdev path. Partition suffixes may take three
3086 * forms: "-partX", "pX", or "X", where X is a string of digits. The second
3087 * case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The
3088 * third case only occurs when preceded by a string matching the regular
3089 * expression "^[hs]d[a-z]+", i.e. a scsi or ide disk.
3092 strip_partition(libzfs_handle_t
*hdl
, char *path
)
3094 char *tmp
= zfs_strdup(hdl
, path
);
3095 char *part
= NULL
, *d
= NULL
;
3097 if ((part
= strstr(tmp
, "-part")) && part
!= tmp
) {
3099 } else if ((part
= strrchr(tmp
, 'p')) &&
3100 part
> tmp
+ 1 && isdigit(*(part
-1))) {
3102 } else if ((tmp
[0] == 'h' || tmp
[0] == 's') && tmp
[1] == 'd') {
3103 for (d
= &tmp
[2]; isalpha(*d
); part
= ++d
);
3105 if (part
&& d
&& *d
!= '\0') {
3106 for (; isdigit(*d
); d
++);
3113 #define PATH_BUF_LEN 64
3116 * Given a vdev, return the name to display in iostat. If the vdev has a path,
3117 * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
3118 * We also check if this is a whole disk, in which case we strip off the
3119 * trailing 's0' slice name.
3121 * This routine is also responsible for identifying when disks have been
3122 * reconfigured in a new location. The kernel will have opened the device by
3123 * devid, but the path will still refer to the old location. To catch this, we
3124 * first do a path -> devid translation (which is fast for the common case). If
3125 * the devid matches, we're done. If not, we do a reverse devid -> path
3126 * translation and issue the appropriate ioctl() to update the path of the vdev.
3127 * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any
3131 zpool_vdev_name(libzfs_handle_t
*hdl
, zpool_handle_t
*zhp
, nvlist_t
*nv
,
3134 char *path
, *devid
, *type
;
3136 char buf
[PATH_BUF_LEN
];
3137 char tmpbuf
[PATH_BUF_LEN
];
3141 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_NOT_PRESENT
,
3143 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
3145 (void) snprintf(buf
, sizeof (buf
), "%llu",
3146 (u_longlong_t
)value
);
3148 } else if (nvlist_lookup_string(nv
, ZPOOL_CONFIG_PATH
, &path
) == 0) {
3150 * If the device is dead (faulted, offline, etc) then don't
3151 * bother opening it. Otherwise we may be forcing the user to
3152 * open a misbehaving device, which can have undesirable
3155 if ((nvlist_lookup_uint64_array(nv
, ZPOOL_CONFIG_VDEV_STATS
,
3156 (uint64_t **)&vs
, &vsc
) != 0 ||
3157 vs
->vs_state
>= VDEV_STATE_DEGRADED
) &&
3159 nvlist_lookup_string(nv
, ZPOOL_CONFIG_DEVID
, &devid
) == 0) {
3161 * Determine if the current path is correct.
3163 char *newdevid
= path_to_devid(path
);
3165 if (newdevid
== NULL
||
3166 strcmp(devid
, newdevid
) != 0) {
3169 if ((newpath
= devid_to_path(devid
)) != NULL
) {
3171 * Update the path appropriately.
3173 set_path(zhp
, nv
, newpath
);
3174 if (nvlist_add_string(nv
,
3175 ZPOOL_CONFIG_PATH
, newpath
) == 0)
3176 verify(nvlist_lookup_string(nv
,
3184 devid_str_free(newdevid
);
3188 * For a block device only use the name.
3190 verify(nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &type
) == 0);
3191 if (strcmp(type
, VDEV_TYPE_DISK
) == 0) {
3192 path
= strrchr(path
, '/');
3197 * Remove the partition from the path it this is a whole disk.
3199 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_WHOLE_DISK
,
3200 &value
) == 0 && value
) {
3201 return strip_partition(hdl
, path
);
3204 verify(nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &path
) == 0);
3207 * If it's a raidz device, we need to stick in the parity level.
3209 if (strcmp(path
, VDEV_TYPE_RAIDZ
) == 0) {
3211 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_NPARITY
,
3213 (void) snprintf(buf
, sizeof (buf
), "%s%llu", path
,
3214 (u_longlong_t
)value
);
3219 * We identify each top-level vdev by using a <type-id>
3220 * naming convention.
3225 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_ID
,
3227 (void) snprintf(tmpbuf
, sizeof (tmpbuf
), "%s-%llu",
3228 path
, (u_longlong_t
)id
);
3233 return (zfs_strdup(hdl
, path
));
3237 zbookmark_compare(const void *a
, const void *b
)
3239 return (memcmp(a
, b
, sizeof (zbookmark_t
)));
3243 * Retrieve the persistent error log, uniquify the members, and return to the
3247 zpool_get_errlog(zpool_handle_t
*zhp
, nvlist_t
**nverrlistp
)
3249 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3251 zbookmark_t
*zb
= NULL
;
3255 * Retrieve the raw error list from the kernel. If the number of errors
3256 * has increased, allocate more space and continue until we get the
3259 verify(nvlist_lookup_uint64(zhp
->zpool_config
, ZPOOL_CONFIG_ERRCOUNT
,
3263 if ((zc
.zc_nvlist_dst
= (uintptr_t)zfs_alloc(zhp
->zpool_hdl
,
3264 count
* sizeof (zbookmark_t
))) == (uintptr_t)NULL
)
3266 zc
.zc_nvlist_dst_size
= count
;
3267 (void) strcpy(zc
.zc_name
, zhp
->zpool_name
);
3269 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_ERROR_LOG
,
3271 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
3272 if (errno
== ENOMEM
) {
3273 count
= zc
.zc_nvlist_dst_size
;
3274 if ((zc
.zc_nvlist_dst
= (uintptr_t)
3275 zfs_alloc(zhp
->zpool_hdl
, count
*
3276 sizeof (zbookmark_t
))) == (uintptr_t)NULL
)
3287 * Sort the resulting bookmarks. This is a little confusing due to the
3288 * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last
3289 * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks
3290 * _not_ copied as part of the process. So we point the start of our
3291 * array appropriate and decrement the total number of elements.
3293 zb
= ((zbookmark_t
*)(uintptr_t)zc
.zc_nvlist_dst
) +
3294 zc
.zc_nvlist_dst_size
;
3295 count
-= zc
.zc_nvlist_dst_size
;
3297 qsort(zb
, count
, sizeof (zbookmark_t
), zbookmark_compare
);
3299 verify(nvlist_alloc(nverrlistp
, 0, KM_SLEEP
) == 0);
3302 * Fill in the nverrlistp with nvlist's of dataset and object numbers.
3304 for (i
= 0; i
< count
; i
++) {
3307 /* ignoring zb_blkid and zb_level for now */
3308 if (i
> 0 && zb
[i
-1].zb_objset
== zb
[i
].zb_objset
&&
3309 zb
[i
-1].zb_object
== zb
[i
].zb_object
)
3312 if (nvlist_alloc(&nv
, NV_UNIQUE_NAME
, KM_SLEEP
) != 0)
3314 if (nvlist_add_uint64(nv
, ZPOOL_ERR_DATASET
,
3315 zb
[i
].zb_objset
) != 0) {
3319 if (nvlist_add_uint64(nv
, ZPOOL_ERR_OBJECT
,
3320 zb
[i
].zb_object
) != 0) {
3324 if (nvlist_add_nvlist(*nverrlistp
, "ejk", nv
) != 0) {
3331 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
3335 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
3336 return (no_memory(zhp
->zpool_hdl
));
3340 * Upgrade a ZFS pool to the latest on-disk version.
3343 zpool_upgrade(zpool_handle_t
*zhp
, uint64_t new_version
)
3345 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3346 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3348 (void) strcpy(zc
.zc_name
, zhp
->zpool_name
);
3349 zc
.zc_cookie
= new_version
;
3351 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_UPGRADE
, &zc
) != 0)
3352 return (zpool_standard_error_fmt(hdl
, errno
,
3353 dgettext(TEXT_DOMAIN
, "cannot upgrade '%s'"),
3359 zpool_set_history_str(const char *subcommand
, int argc
, char **argv
,
3364 (void) strlcpy(history_str
, subcommand
, HIS_MAX_RECORD_LEN
);
3365 for (i
= 1; i
< argc
; i
++) {
3366 if (strlen(history_str
) + 1 + strlen(argv
[i
]) >
3369 (void) strlcat(history_str
, " ", HIS_MAX_RECORD_LEN
);
3370 (void) strlcat(history_str
, argv
[i
], HIS_MAX_RECORD_LEN
);
3375 * Stage command history for logging.
3378 zpool_stage_history(libzfs_handle_t
*hdl
, const char *history_str
)
3380 if (history_str
== NULL
)
3383 if (strlen(history_str
) > HIS_MAX_RECORD_LEN
)
3386 if (hdl
->libzfs_log_str
!= NULL
)
3387 free(hdl
->libzfs_log_str
);
3389 if ((hdl
->libzfs_log_str
= strdup(history_str
)) == NULL
)
3390 return (no_memory(hdl
));
3396 * Perform ioctl to get some command history of a pool.
3398 * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the
3399 * logical offset of the history buffer to start reading from.
3401 * Upon return, 'off' is the next logical offset to read from and
3402 * 'len' is the actual amount of bytes read into 'buf'.
3405 get_history(zpool_handle_t
*zhp
, char *buf
, uint64_t *off
, uint64_t *len
)
3407 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3408 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3410 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3412 zc
.zc_history
= (uint64_t)(uintptr_t)buf
;
3413 zc
.zc_history_len
= *len
;
3414 zc
.zc_history_offset
= *off
;
3416 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_POOL_GET_HISTORY
, &zc
) != 0) {
3419 return (zfs_error_fmt(hdl
, EZFS_PERM
,
3420 dgettext(TEXT_DOMAIN
,
3421 "cannot show history for pool '%s'"),
3424 return (zfs_error_fmt(hdl
, EZFS_NOHISTORY
,
3425 dgettext(TEXT_DOMAIN
, "cannot get history for pool "
3426 "'%s'"), zhp
->zpool_name
));
3428 return (zfs_error_fmt(hdl
, EZFS_BADVERSION
,
3429 dgettext(TEXT_DOMAIN
, "cannot get history for pool "
3430 "'%s', pool must be upgraded"), zhp
->zpool_name
));
3432 return (zpool_standard_error_fmt(hdl
, errno
,
3433 dgettext(TEXT_DOMAIN
,
3434 "cannot get history for '%s'"), zhp
->zpool_name
));
3438 *len
= zc
.zc_history_len
;
3439 *off
= zc
.zc_history_offset
;
3445 * Process the buffer of nvlists, unpacking and storing each nvlist record
3446 * into 'records'. 'leftover' is set to the number of bytes that weren't
3447 * processed as there wasn't a complete record.
3450 zpool_history_unpack(char *buf
, uint64_t bytes_read
, uint64_t *leftover
,
3451 nvlist_t
***records
, uint_t
*numrecords
)
3457 while (bytes_read
> sizeof (reclen
)) {
3459 /* get length of packed record (stored as little endian) */
3460 for (i
= 0, reclen
= 0; i
< sizeof (reclen
); i
++)
3461 reclen
+= (uint64_t)(((uchar_t
*)buf
)[i
]) << (8*i
);
3463 if (bytes_read
< sizeof (reclen
) + reclen
)
3467 if (nvlist_unpack(buf
+ sizeof (reclen
), reclen
, &nv
, 0) != 0)
3469 bytes_read
-= sizeof (reclen
) + reclen
;
3470 buf
+= sizeof (reclen
) + reclen
;
3472 /* add record to nvlist array */
3474 if (ISP2(*numrecords
+ 1)) {
3475 *records
= realloc(*records
,
3476 *numrecords
* 2 * sizeof (nvlist_t
*));
3478 (*records
)[*numrecords
- 1] = nv
;
3481 *leftover
= bytes_read
;
3485 #define HIS_BUF_LEN (128*1024)
3488 * Retrieve the command history of a pool.
3491 zpool_get_history(zpool_handle_t
*zhp
, nvlist_t
**nvhisp
)
3493 char buf
[HIS_BUF_LEN
];
3495 nvlist_t
**records
= NULL
;
3496 uint_t numrecords
= 0;
3500 uint64_t bytes_read
= sizeof (buf
);
3503 if ((err
= get_history(zhp
, buf
, &off
, &bytes_read
)) != 0)
3506 /* if nothing else was read in, we're at EOF, just return */
3510 if ((err
= zpool_history_unpack(buf
, bytes_read
,
3511 &leftover
, &records
, &numrecords
)) != 0)
3519 verify(nvlist_alloc(nvhisp
, NV_UNIQUE_NAME
, 0) == 0);
3520 verify(nvlist_add_nvlist_array(*nvhisp
, ZPOOL_HIST_RECORD
,
3521 records
, numrecords
) == 0);
3523 for (i
= 0; i
< numrecords
; i
++)
3524 nvlist_free(records
[i
]);
3531 * Retrieve the next event. If there is a new event available 'nvp' will
3532 * contain a newly allocated nvlist and 'dropped' will be set to the number
3533 * of missed events since the last call to this function. When 'nvp' is
3534 * set to NULL it indicates no new events are available. In either case
3535 * the function returns 0 and it is up to the caller to free 'nvp'. In
3536 * the case of a fatal error the function will return a non-zero value.
3537 * When the function is called in blocking mode it will not return until
3538 * a new event is available.
3541 zpool_events_next(libzfs_handle_t
*hdl
, nvlist_t
**nvp
,
3542 int *dropped
, int block
, int cleanup_fd
)
3544 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3549 zc
.zc_cleanup_fd
= cleanup_fd
;
3552 zc
.zc_guid
= ZEVENT_NONBLOCK
;
3554 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, ZEVENT_SIZE
) != 0)
3558 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_NEXT
, &zc
) != 0) {
3561 error
= zfs_error_fmt(hdl
, EZFS_POOLUNAVAIL
,
3562 dgettext(TEXT_DOMAIN
, "zfs shutdown"));
3565 /* Blocking error case should not occur */
3567 error
= zpool_standard_error_fmt(hdl
, errno
,
3568 dgettext(TEXT_DOMAIN
, "cannot get event"));
3572 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
3573 error
= zfs_error_fmt(hdl
, EZFS_NOMEM
,
3574 dgettext(TEXT_DOMAIN
, "cannot get event"));
3580 error
= zpool_standard_error_fmt(hdl
, errno
,
3581 dgettext(TEXT_DOMAIN
, "cannot get event"));
3586 error
= zcmd_read_dst_nvlist(hdl
, &zc
, nvp
);
3590 *dropped
= (int)zc
.zc_cookie
;
3592 zcmd_free_nvlists(&zc
);
3601 zpool_events_clear(libzfs_handle_t
*hdl
, int *count
)
3603 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3606 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
3607 "cannot clear events"));
3609 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_CLEAR
, &zc
) != 0)
3610 return (zpool_standard_error_fmt(hdl
, errno
, msg
));
3613 *count
= (int)zc
.zc_cookie
; /* # of events cleared */
3619 zpool_obj_to_path(zpool_handle_t
*zhp
, uint64_t dsobj
, uint64_t obj
,
3620 char *pathname
, size_t len
)
3622 zfs_cmd_t zc
= { "\0", "\0", "\0", "\0", 0 };
3623 boolean_t mounted
= B_FALSE
;
3624 char *mntpnt
= NULL
;
3625 char dsname
[MAXNAMELEN
];
3628 /* special case for the MOS */
3629 (void) snprintf(pathname
, len
, "<metadata>:<0x%llx>", (longlong_t
)obj
);
3633 /* get the dataset's name */
3634 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3636 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
,
3637 ZFS_IOC_DSOBJ_TO_DSNAME
, &zc
) != 0) {
3638 /* just write out a path of two object numbers */
3639 (void) snprintf(pathname
, len
, "<0x%llx>:<0x%llx>",
3640 (longlong_t
)dsobj
, (longlong_t
)obj
);
3643 (void) strlcpy(dsname
, zc
.zc_value
, sizeof (dsname
));
3645 /* find out if the dataset is mounted */
3646 mounted
= is_mounted(zhp
->zpool_hdl
, dsname
, &mntpnt
);
3648 /* get the corrupted object's path */
3649 (void) strlcpy(zc
.zc_name
, dsname
, sizeof (zc
.zc_name
));
3651 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_OBJ_TO_PATH
,
3654 (void) snprintf(pathname
, len
, "%s%s", mntpnt
,
3657 (void) snprintf(pathname
, len
, "%s:%s",
3658 dsname
, zc
.zc_value
);
3661 (void) snprintf(pathname
, len
, "%s:<0x%llx>", dsname
, (longlong_t
)obj
);
3667 * Read the EFI label from the config, if a label does not exist then
3668 * pass back the error to the caller. If the caller has passed a non-NULL
3669 * diskaddr argument then we set it to the starting address of the EFI
3673 read_efi_label(nvlist_t
*config
, diskaddr_t
*sb
)
3677 char diskname
[MAXPATHLEN
];
3680 if (nvlist_lookup_string(config
, ZPOOL_CONFIG_PATH
, &path
) != 0)
3683 (void) snprintf(diskname
, sizeof (diskname
), "%s%s", RDISK_ROOT
,
3684 strrchr(path
, '/'));
3685 if ((fd
= open(diskname
, O_RDWR
|O_DIRECT
)) >= 0) {
3686 struct dk_gpt
*vtoc
;
3688 if ((err
= efi_alloc_and_read(fd
, &vtoc
)) >= 0) {
3690 *sb
= vtoc
->efi_parts
[0].p_start
;
3699 * determine where a partition starts on a disk in the current
3703 find_start_block(nvlist_t
*config
)
3707 diskaddr_t sb
= MAXOFFSET_T
;
3710 if (nvlist_lookup_nvlist_array(config
,
3711 ZPOOL_CONFIG_CHILDREN
, &child
, &children
) != 0) {
3712 if (nvlist_lookup_uint64(config
,
3713 ZPOOL_CONFIG_WHOLE_DISK
,
3714 &wholedisk
) != 0 || !wholedisk
) {
3715 return (MAXOFFSET_T
);
3717 if (read_efi_label(config
, &sb
) < 0)
3722 for (c
= 0; c
< children
; c
++) {
3723 sb
= find_start_block(child
[c
]);
3724 if (sb
!= MAXOFFSET_T
) {
3728 return (MAXOFFSET_T
);
3732 zpool_label_disk_wait(char *path
, int timeout
)
3734 struct stat64 statbuf
;
3738 * Wait timeout miliseconds for a newly created device to be available
3739 * from the given path. There is a small window when a /dev/ device
3740 * will exist and the udev link will not, so we must wait for the
3741 * symlink. Depending on the udev rules this may take a few seconds.
3743 for (i
= 0; i
< timeout
; i
++) {
3747 if ((stat64(path
, &statbuf
) == 0) && (errno
== 0))
3755 zpool_label_disk_check(char *path
)
3757 struct dk_gpt
*vtoc
;
3760 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0)
3763 if ((err
= efi_alloc_and_read(fd
, &vtoc
)) != 0) {
3768 if (vtoc
->efi_flags
& EFI_GPT_PRIMARY_CORRUPT
) {
3780 * Label an individual disk. The name provided is the short name,
3781 * stripped of any leading /dev path.
3784 zpool_label_disk(libzfs_handle_t
*hdl
, zpool_handle_t
*zhp
, char *name
)
3786 char path
[MAXPATHLEN
];
3787 struct dk_gpt
*vtoc
;
3789 size_t resv
= EFI_MIN_RESV_SIZE
;
3790 uint64_t slice_size
;
3791 diskaddr_t start_block
;
3794 /* prepare an error message just in case */
3795 (void) snprintf(errbuf
, sizeof (errbuf
),
3796 dgettext(TEXT_DOMAIN
, "cannot label '%s'"), name
);
3801 if (pool_is_bootable(zhp
)) {
3802 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3803 "EFI labeled devices are not supported on root "
3805 return (zfs_error(hdl
, EZFS_POOL_NOTSUP
, errbuf
));
3808 verify(nvlist_lookup_nvlist(zhp
->zpool_config
,
3809 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
3811 if (zhp
->zpool_start_block
== 0)
3812 start_block
= find_start_block(nvroot
);
3814 start_block
= zhp
->zpool_start_block
;
3815 zhp
->zpool_start_block
= start_block
;
3818 start_block
= NEW_START_BLOCK
;
3821 (void) snprintf(path
, sizeof (path
), "%s/%s%s", RDISK_ROOT
, name
,
3824 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0) {
3826 * This shouldn't happen. We've long since verified that this
3827 * is a valid device.
3829 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
3830 "label '%s': unable to open device: %d"), path
, errno
);
3831 return (zfs_error(hdl
, EZFS_OPENFAILED
, errbuf
));
3834 if (efi_alloc_and_init(fd
, EFI_NUMPAR
, &vtoc
) != 0) {
3836 * The only way this can fail is if we run out of memory, or we
3837 * were unable to read the disk's capacity
3839 if (errno
== ENOMEM
)
3840 (void) no_memory(hdl
);
3843 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
3844 "label '%s': unable to read disk capacity"), path
);
3846 return (zfs_error(hdl
, EZFS_NOCAP
, errbuf
));
3849 slice_size
= vtoc
->efi_last_u_lba
+ 1;
3850 slice_size
-= EFI_MIN_RESV_SIZE
;
3851 if (start_block
== MAXOFFSET_T
)
3852 start_block
= NEW_START_BLOCK
;
3853 slice_size
-= start_block
;
3854 slice_size
= P2ALIGN(slice_size
, PARTITION_END_ALIGNMENT
);
3856 vtoc
->efi_parts
[0].p_start
= start_block
;
3857 vtoc
->efi_parts
[0].p_size
= slice_size
;
3860 * Why we use V_USR: V_BACKUP confuses users, and is considered
3861 * disposable by some EFI utilities (since EFI doesn't have a backup
3862 * slice). V_UNASSIGNED is supposed to be used only for zero size
3863 * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT,
3864 * etc. were all pretty specific. V_USR is as close to reality as we
3865 * can get, in the absence of V_OTHER.
3867 vtoc
->efi_parts
[0].p_tag
= V_USR
;
3868 (void) strcpy(vtoc
->efi_parts
[0].p_name
, "zfs");
3870 vtoc
->efi_parts
[8].p_start
= slice_size
+ start_block
;
3871 vtoc
->efi_parts
[8].p_size
= resv
;
3872 vtoc
->efi_parts
[8].p_tag
= V_RESERVED
;
3874 if ((rval
= efi_write(fd
, vtoc
)) != 0 || (rval
= efi_rescan(fd
)) != 0) {
3876 * Some block drivers (like pcata) may not support EFI
3877 * GPT labels. Print out a helpful error message dir-
3878 * ecting the user to manually label the disk and give
3884 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "try using "
3885 "parted(8) and then provide a specific slice: %d"), rval
);
3886 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));
3892 /* Wait for the first expected slice to appear. */
3893 (void) snprintf(path
, sizeof (path
), "%s/%s%s%s", DISK_ROOT
, name
,
3894 isdigit(name
[strlen(name
)-1]) ? "p" : "", FIRST_SLICE
);
3895 rval
= zpool_label_disk_wait(path
, 3000);
3897 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "failed to "
3898 "detect device partitions on '%s': %d"), path
, rval
);
3899 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));
3902 /* We can't be to paranoid. Read the label back and verify it. */
3903 (void) snprintf(path
, sizeof (path
), "%s/%s", DISK_ROOT
, name
);
3904 rval
= zpool_label_disk_check(path
);
3906 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "freshly written "
3907 "EFI label on '%s' is damaged. Ensure\nthis device "
3908 "is not in in use, and is functioning properly: %d"),
3910 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));