/
zpool_main.c
6549 lines (5667 loc) · 162 KB
/
zpool_main.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright (c) 2012 by Frederik Wessels. All rights reserved.
* Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
* Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
* Copyright 2016 Nexenta Systems, Inc.
* Copyright (c) 2017 Datto Inc.
* Copyright (c) 2017, Intel Corporation.
* Copyright 2019 Joyent, Inc.
*/
#include <assert.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <libgen.h>
#include <libintl.h>
#include <libuutil.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <priv.h>
#include <pwd.h>
#include <zone.h>
#include <zfs_prop.h>
#include <sys/fs/zfs.h>
#include <sys/stat.h>
#include <sys/debug.h>
#include <libzfs.h>
#include "zpool_util.h"
#include "zfs_comutil.h"
#include "zfeature_common.h"
#include "statcommon.h"
static int zpool_do_create(int, char **);
static int zpool_do_destroy(int, char **);
static int zpool_do_add(int, char **);
static int zpool_do_remove(int, char **);
static int zpool_do_labelclear(int, char **);
static int zpool_do_checkpoint(int, char **);
static int zpool_do_list(int, char **);
static int zpool_do_iostat(int, char **);
static int zpool_do_status(int, char **);
static int zpool_do_online(int, char **);
static int zpool_do_offline(int, char **);
static int zpool_do_clear(int, char **);
static int zpool_do_reopen(int, char **);
static int zpool_do_reguid(int, char **);
static int zpool_do_attach(int, char **);
static int zpool_do_detach(int, char **);
static int zpool_do_replace(int, char **);
static int zpool_do_split(int, char **);
static int zpool_do_initialize(int, char **);
static int zpool_do_scrub(int, char **);
static int zpool_do_import(int, char **);
static int zpool_do_export(int, char **);
static int zpool_do_upgrade(int, char **);
static int zpool_do_history(int, char **);
static int zpool_do_get(int, char **);
static int zpool_do_set(int, char **);
static int zpool_do_sync(int, char **);
/*
* These libumem hooks provide a reasonable set of defaults for the allocator's
* debugging facilities.
*/
#ifdef DEBUG
const char *
_umem_debug_init(void)
{
return ("default,verbose"); /* $UMEM_DEBUG setting */
}
const char *
_umem_logging_init(void)
{
return ("fail,contents"); /* $UMEM_LOGGING setting */
}
#endif
typedef enum {
HELP_ADD,
HELP_ATTACH,
HELP_CLEAR,
HELP_CREATE,
HELP_CHECKPOINT,
HELP_DESTROY,
HELP_DETACH,
HELP_EXPORT,
HELP_HISTORY,
HELP_IMPORT,
HELP_IOSTAT,
HELP_LABELCLEAR,
HELP_LIST,
HELP_OFFLINE,
HELP_ONLINE,
HELP_REPLACE,
HELP_REMOVE,
HELP_INITIALIZE,
HELP_SCRUB,
HELP_STATUS,
HELP_UPGRADE,
HELP_GET,
HELP_SET,
HELP_SPLIT,
HELP_SYNC,
HELP_REGUID,
HELP_REOPEN
} zpool_help_t;
typedef struct zpool_command {
const char *name;
int (*func)(int, char **);
zpool_help_t usage;
} zpool_command_t;
/*
* Master command table. Each ZFS command has a name, associated function, and
* usage message. The usage messages need to be internationalized, so we have
* to have a function to return the usage message based on a command index.
*
* These commands are organized according to how they are displayed in the usage
* message. An empty command (one with a NULL name) indicates an empty line in
* the generic usage message.
*/
static zpool_command_t command_table[] = {
{ "create", zpool_do_create, HELP_CREATE },
{ "destroy", zpool_do_destroy, HELP_DESTROY },
{ NULL },
{ "add", zpool_do_add, HELP_ADD },
{ "remove", zpool_do_remove, HELP_REMOVE },
{ NULL },
{ "labelclear", zpool_do_labelclear, HELP_LABELCLEAR },
{ NULL },
{ "checkpoint", zpool_do_checkpoint, HELP_CHECKPOINT },
{ NULL },
{ "list", zpool_do_list, HELP_LIST },
{ "iostat", zpool_do_iostat, HELP_IOSTAT },
{ "status", zpool_do_status, HELP_STATUS },
{ NULL },
{ "online", zpool_do_online, HELP_ONLINE },
{ "offline", zpool_do_offline, HELP_OFFLINE },
{ "clear", zpool_do_clear, HELP_CLEAR },
{ "reopen", zpool_do_reopen, HELP_REOPEN },
{ NULL },
{ "attach", zpool_do_attach, HELP_ATTACH },
{ "detach", zpool_do_detach, HELP_DETACH },
{ "replace", zpool_do_replace, HELP_REPLACE },
{ "split", zpool_do_split, HELP_SPLIT },
{ NULL },
{ "initialize", zpool_do_initialize, HELP_INITIALIZE },
{ "scrub", zpool_do_scrub, HELP_SCRUB },
{ NULL },
{ "import", zpool_do_import, HELP_IMPORT },
{ "export", zpool_do_export, HELP_EXPORT },
{ "upgrade", zpool_do_upgrade, HELP_UPGRADE },
{ "reguid", zpool_do_reguid, HELP_REGUID },
{ NULL },
{ "history", zpool_do_history, HELP_HISTORY },
{ "get", zpool_do_get, HELP_GET },
{ "set", zpool_do_set, HELP_SET },
{ "sync", zpool_do_sync, HELP_SYNC },
};
#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
#define VDEV_ALLOC_CLASS_LOGS "logs"
static zpool_command_t *current_command;
static char history_str[HIS_MAX_RECORD_LEN];
static boolean_t log_history = B_TRUE;
static uint_t timestamp_fmt = NODATE;
static const char *
get_usage(zpool_help_t idx)
{
switch (idx) {
case HELP_ADD:
return (gettext("\tadd [-fgLnP] <pool> <vdev> ...\n"));
case HELP_ATTACH:
return (gettext("\tattach [-f] <pool> <device> "
"<new-device>\n"));
case HELP_CLEAR:
return (gettext("\tclear [-nF] <pool> [device]\n"));
case HELP_CREATE:
return (gettext("\tcreate [-fnd] [-B] "
"[-o property=value] ... \n"
"\t [-O file-system-property=value] ...\n"
"\t [-m mountpoint] [-R root] [-t tempname] "
"<pool> <vdev> ...\n"));
case HELP_CHECKPOINT:
return (gettext("\tcheckpoint [--discard] <pool> ...\n"));
case HELP_DESTROY:
return (gettext("\tdestroy [-f] <pool>\n"));
case HELP_DETACH:
return (gettext("\tdetach <pool> <device>\n"));
case HELP_EXPORT:
return (gettext("\texport [-f] <pool> ...\n"));
case HELP_HISTORY:
return (gettext("\thistory [-il] [<pool>] ...\n"));
case HELP_IMPORT:
return (gettext("\timport [-d dir] [-D]\n"
"\timport [-o mntopts] [-o property=value] ... \n"
"\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
"[-R root] [-F [-n]] -a\n"
"\timport [-o mntopts] [-o property=value] ... \n"
"\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
"[-R root] [-F [-n]] [-t]\n"
"\t [--rewind-to-checkpoint] <pool | id> [newpool]\n"));
case HELP_IOSTAT:
return (gettext("\tiostat [-gLPv] [-T d|u] [pool] ... "
"[interval [count]]\n"));
case HELP_LABELCLEAR:
return (gettext("\tlabelclear [-f] <vdev>\n"));
case HELP_LIST:
return (gettext("\tlist [-gHLpPv] [-o property[,...]] "
"[-T d|u] [pool] ... [interval [count]]\n"));
case HELP_OFFLINE:
return (gettext("\toffline [-t] <pool> <device> ...\n"));
case HELP_ONLINE:
return (gettext("\tonline <pool> <device> ...\n"));
case HELP_REPLACE:
return (gettext("\treplace [-f] <pool> <device> "
"[new-device]\n"));
case HELP_REMOVE:
return (gettext("\tremove [-nps] <pool> <device> ...\n"));
case HELP_REOPEN:
return (gettext("\treopen <pool>\n"));
case HELP_INITIALIZE:
return (gettext("\tinitialize [-cs] <pool> [<device> ...]\n"));
case HELP_SCRUB:
return (gettext("\tscrub [-s | -p] <pool> ...\n"));
case HELP_STATUS:
return (gettext("\tstatus [-DgLPvx] [-T d|u] [pool] ... "
"[interval [count]]\n"));
case HELP_UPGRADE:
return (gettext("\tupgrade\n"
"\tupgrade -v\n"
"\tupgrade [-V version] <-a | pool ...>\n"));
case HELP_GET:
return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] "
"<\"all\" | property[,...]> <pool> ...\n"));
case HELP_SET:
return (gettext("\tset <property=value> <pool> \n"));
case HELP_SPLIT:
return (gettext("\tsplit [-gLnP] [-R altroot] [-o mntopts]\n"
"\t [-o property=value] <pool> <newpool> "
"[<device> ...]\n"));
case HELP_REGUID:
return (gettext("\treguid <pool>\n"));
case HELP_SYNC:
return (gettext("\tsync [pool] ...\n"));
}
abort();
/* NOTREACHED */
}
/*
* Callback routine that will print out a pool property value.
*/
static int
print_prop_cb(int prop, void *cb)
{
FILE *fp = cb;
(void) fprintf(fp, "\t%-19s ", zpool_prop_to_name(prop));
if (zpool_prop_readonly(prop))
(void) fprintf(fp, " NO ");
else
(void) fprintf(fp, " YES ");
if (zpool_prop_values(prop) == NULL)
(void) fprintf(fp, "-\n");
else
(void) fprintf(fp, "%s\n", zpool_prop_values(prop));
return (ZPROP_CONT);
}
/*
* Display usage message. If we're inside a command, display only the usage for
* that command. Otherwise, iterate over the entire command table and display
* a complete usage message.
*/
void
usage(boolean_t requested)
{
FILE *fp = requested ? stdout : stderr;
if (current_command == NULL) {
int i;
(void) fprintf(fp, gettext("usage: zpool command args ...\n"));
(void) fprintf(fp,
gettext("where 'command' is one of the following:\n\n"));
for (i = 0; i < NCOMMAND; i++) {
if (command_table[i].name == NULL)
(void) fprintf(fp, "\n");
else
(void) fprintf(fp, "%s",
get_usage(command_table[i].usage));
}
} else {
(void) fprintf(fp, gettext("usage:\n"));
(void) fprintf(fp, "%s", get_usage(current_command->usage));
}
if (current_command != NULL &&
((strcmp(current_command->name, "set") == 0) ||
(strcmp(current_command->name, "get") == 0) ||
(strcmp(current_command->name, "list") == 0))) {
(void) fprintf(fp,
gettext("\nthe following properties are supported:\n"));
(void) fprintf(fp, "\n\t%-19s %s %s\n\n",
"PROPERTY", "EDIT", "VALUES");
/* Iterate over all properties */
(void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE,
ZFS_TYPE_POOL);
(void) fprintf(fp, "\t%-19s ", "feature@...");
(void) fprintf(fp, "YES disabled | enabled | active\n");
(void) fprintf(fp, gettext("\nThe feature@ properties must be "
"appended with a feature name.\nSee zpool-features(5).\n"));
}
/*
* See comments at end of main().
*/
if (getenv("ZFS_ABORT") != NULL) {
(void) printf("dumping core by request\n");
abort();
}
exit(requested ? 0 : 2);
}
/*
* print a pool vdev config for dry runs
*/
static void
print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
const char *match, int name_flags)
{
nvlist_t **child;
uint_t c, children;
char *vname;
boolean_t printed = B_FALSE;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
&child, &children) != 0) {
if (name != NULL)
(void) printf("\t%*s%s\n", indent, "", name);
return;
}
for (c = 0; c < children; c++) {
uint64_t is_log = B_FALSE;
char *class = "";
(void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
&is_log);
if (is_log)
class = VDEV_ALLOC_BIAS_LOG;
(void) nvlist_lookup_string(child[c],
ZPOOL_CONFIG_ALLOCATION_BIAS, &class);
if (strcmp(match, class) != 0)
continue;
if (!printed && name != NULL) {
(void) printf("\t%*s%s\n", indent, "", name);
printed = B_TRUE;
}
vname = zpool_vdev_name(g_zfs, zhp, child[c], name_flags);
print_vdev_tree(zhp, vname, child[c], indent + 2, "",
name_flags);
free(vname);
}
}
static boolean_t
prop_list_contains_feature(nvlist_t *proplist)
{
nvpair_t *nvp;
for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp;
nvp = nvlist_next_nvpair(proplist, nvp)) {
if (zpool_prop_feature(nvpair_name(nvp)))
return (B_TRUE);
}
return (B_FALSE);
}
/*
* Add a property pair (name, string-value) into a property nvlist.
*/
static int
add_prop_list(const char *propname, char *propval, nvlist_t **props,
boolean_t poolprop)
{
zpool_prop_t prop = ZPOOL_PROP_INVAL;
zfs_prop_t fprop;
nvlist_t *proplist;
const char *normnm;
char *strval;
if (*props == NULL &&
nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) {
(void) fprintf(stderr,
gettext("internal error: out of memory\n"));
return (1);
}
proplist = *props;
if (poolprop) {
const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION);
if ((prop = zpool_name_to_prop(propname)) == ZPOOL_PROP_INVAL &&
!zpool_prop_feature(propname)) {
(void) fprintf(stderr, gettext("property '%s' is "
"not a valid pool property\n"), propname);
return (2);
}
/*
* feature@ properties and version should not be specified
* at the same time.
*/
if ((prop == ZPOOL_PROP_INVAL && zpool_prop_feature(propname) &&
nvlist_exists(proplist, vname)) ||
(prop == ZPOOL_PROP_VERSION &&
prop_list_contains_feature(proplist))) {
(void) fprintf(stderr, gettext("'feature@' and "
"'version' properties cannot be specified "
"together\n"));
return (2);
}
if (zpool_prop_feature(propname))
normnm = propname;
else
normnm = zpool_prop_to_name(prop);
} else {
if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
normnm = zfs_prop_to_name(fprop);
} else {
normnm = propname;
}
}
if (nvlist_lookup_string(proplist, normnm, &strval) == 0 &&
prop != ZPOOL_PROP_CACHEFILE) {
(void) fprintf(stderr, gettext("property '%s' "
"specified multiple times\n"), propname);
return (2);
}
if (nvlist_add_string(proplist, normnm, propval) != 0) {
(void) fprintf(stderr, gettext("internal "
"error: out of memory\n"));
return (1);
}
return (0);
}
/*
* Set a default property pair (name, string-value) in a property nvlist
*/
static int
add_prop_list_default(const char *propname, char *propval, nvlist_t **props,
boolean_t poolprop)
{
char *pval;
if (nvlist_lookup_string(*props, propname, &pval) == 0)
return (0);
return (add_prop_list(propname, propval, props, poolprop));
}
/*
* zpool add [-fgLnP] [-o property=value] <pool> <vdev> ...
*
* -f Force addition of devices, even if they appear in use
* -g Display guid for individual vdev name.
* -L Follow links when resolving vdev path name.
* -n Do not add the devices, but display the resulting layout if
* they were to be added.
* -P Display full path for vdev name.
*
* Adds the given vdevs to 'pool'. As with create, the bulk of this work is
* handled by get_vdev_spec(), which constructs the nvlist needed to pass to
* libzfs.
*/
int
zpool_do_add(int argc, char **argv)
{
boolean_t force = B_FALSE;
boolean_t dryrun = B_FALSE;
int name_flags = 0;
int c;
nvlist_t *nvroot;
char *poolname;
zpool_boot_label_t boot_type;
uint64_t boot_size;
int ret;
zpool_handle_t *zhp;
nvlist_t *config;
/* check options */
while ((c = getopt(argc, argv, "fgLnP")) != -1) {
switch (c) {
case 'f':
force = B_TRUE;
break;
case 'g':
name_flags |= VDEV_NAME_GUID;
break;
case 'L':
name_flags |= VDEV_NAME_FOLLOW_LINKS;
break;
case 'n':
dryrun = B_TRUE;
break;
case 'P':
name_flags |= VDEV_NAME_PATH;
break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
usage(B_FALSE);
}
}
argc -= optind;
argv += optind;
/* get pool name and check number of arguments */
if (argc < 1) {
(void) fprintf(stderr, gettext("missing pool name argument\n"));
usage(B_FALSE);
}
if (argc < 2) {
(void) fprintf(stderr, gettext("missing vdev specification\n"));
usage(B_FALSE);
}
poolname = argv[0];
argc--;
argv++;
if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
return (1);
if ((config = zpool_get_config(zhp, NULL)) == NULL) {
(void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
poolname);
zpool_close(zhp);
return (1);
}
if (zpool_is_bootable(zhp))
boot_type = ZPOOL_COPY_BOOT_LABEL;
else
boot_type = ZPOOL_NO_BOOT_LABEL;
/* pass off to get_vdev_spec for processing */
boot_size = zpool_get_prop_int(zhp, ZPOOL_PROP_BOOTSIZE, NULL);
nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun,
boot_type, boot_size, argc, argv);
if (nvroot == NULL) {
zpool_close(zhp);
return (1);
}
if (dryrun) {
nvlist_t *poolnvroot;
verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&poolnvroot) == 0);
(void) printf(gettext("would update '%s' to the following "
"configuration:\n"), zpool_get_name(zhp));
/* print original main pool and new tree */
print_vdev_tree(zhp, poolname, poolnvroot, 0, "",
name_flags | VDEV_NAME_TYPE_ID);
print_vdev_tree(zhp, NULL, nvroot, 0, "", name_flags);
/* print other classes: 'dedup', 'special', and 'log' */
print_vdev_tree(zhp, "dedup", poolnvroot, 0,
VDEV_ALLOC_BIAS_DEDUP, name_flags);
print_vdev_tree(zhp, NULL, nvroot, 0, VDEV_ALLOC_BIAS_DEDUP,
name_flags);
print_vdev_tree(zhp, "special", poolnvroot, 0,
VDEV_ALLOC_BIAS_SPECIAL, name_flags);
print_vdev_tree(zhp, NULL, nvroot, 0, VDEV_ALLOC_BIAS_SPECIAL,
name_flags);
print_vdev_tree(zhp, "logs", poolnvroot, 0, VDEV_ALLOC_BIAS_LOG,
name_flags);
print_vdev_tree(zhp, NULL, nvroot, 0, VDEV_ALLOC_BIAS_LOG,
name_flags);
ret = 0;
} else {
ret = (zpool_add(zhp, nvroot) != 0);
}
nvlist_free(nvroot);
zpool_close(zhp);
return (ret);
}
/*
* zpool remove <pool> <vdev> ...
*
* Removes the given vdev from the pool.
*/
int
zpool_do_remove(int argc, char **argv)
{
char *poolname;
int i, ret = 0;
zpool_handle_t *zhp;
boolean_t stop = B_FALSE;
boolean_t noop = B_FALSE;
boolean_t parsable = B_FALSE;
char c;
/* check options */
while ((c = getopt(argc, argv, "nps")) != -1) {
switch (c) {
case 'n':
noop = B_TRUE;
break;
case 'p':
parsable = B_TRUE;
break;
case 's':
stop = B_TRUE;
break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
usage(B_FALSE);
}
}
argc -= optind;
argv += optind;
/* get pool name and check number of arguments */
if (argc < 1) {
(void) fprintf(stderr, gettext("missing pool name argument\n"));
usage(B_FALSE);
}
poolname = argv[0];
if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
return (1);
if (stop && noop) {
(void) fprintf(stderr, gettext("stop request ignored\n"));
return (0);
}
if (stop) {
if (argc > 1) {
(void) fprintf(stderr, gettext("too many arguments\n"));
usage(B_FALSE);
}
if (zpool_vdev_remove_cancel(zhp) != 0)
ret = 1;
} else {
if (argc < 2) {
(void) fprintf(stderr, gettext("missing device\n"));
usage(B_FALSE);
}
for (i = 1; i < argc; i++) {
if (noop) {
uint64_t size;
if (zpool_vdev_indirect_size(zhp, argv[i],
&size) != 0) {
ret = 1;
break;
}
if (parsable) {
(void) printf("%s %llu\n",
argv[i], size);
} else {
char valstr[32];
zfs_nicenum(size, valstr,
sizeof (valstr));
(void) printf("Memory that will be "
"used after removing %s: %s\n",
argv[i], valstr);
}
} else {
if (zpool_vdev_remove(zhp, argv[i]) != 0)
ret = 1;
}
}
}
return (ret);
}
/*
* zpool labelclear [-f] <vdev>
*
* -f Force clearing the label for the vdevs which are members of
* the exported or foreign pools.
*
* Verifies that the vdev is not active and zeros out the label information
* on the device.
*/
int
zpool_do_labelclear(int argc, char **argv)
{
char vdev[MAXPATHLEN];
char *name = NULL;
struct stat st;
int c, fd, ret = 0;
nvlist_t *config;
pool_state_t state;
boolean_t inuse = B_FALSE;
boolean_t force = B_FALSE;
/* check options */
while ((c = getopt(argc, argv, "f")) != -1) {
switch (c) {
case 'f':
force = B_TRUE;
break;
default:
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
usage(B_FALSE);
}
}
argc -= optind;
argv += optind;
/* get vdev name */
if (argc < 1) {
(void) fprintf(stderr, gettext("missing vdev name\n"));
usage(B_FALSE);
}
if (argc > 1) {
(void) fprintf(stderr, gettext("too many arguments\n"));
usage(B_FALSE);
}
/*
* Check if we were given absolute path and use it as is.
* Otherwise if the provided vdev name doesn't point to a file,
* try prepending dsk path and appending s0.
*/
(void) strlcpy(vdev, argv[0], sizeof (vdev));
if (vdev[0] != '/' && stat(vdev, &st) != 0) {
char *s;
(void) snprintf(vdev, sizeof (vdev), "%s/%s",
ZFS_DISK_ROOT, argv[0]);
if ((s = strrchr(argv[0], 's')) == NULL ||
!isdigit(*(s + 1)))
(void) strlcat(vdev, "s0", sizeof (vdev));
if (stat(vdev, &st) != 0) {
(void) fprintf(stderr, gettext(
"failed to find device %s, try specifying absolute "
"path instead\n"), argv[0]);
return (1);
}
}
if ((fd = open(vdev, O_RDWR)) < 0) {
(void) fprintf(stderr, gettext("failed to open %s: %s\n"),
vdev, strerror(errno));
return (1);
}
if (zpool_read_label(fd, &config) != 0) {
(void) fprintf(stderr,
gettext("failed to read label from %s\n"), vdev);
return (1);
}
nvlist_free(config);
ret = zpool_in_use(g_zfs, fd, &state, &name, &inuse);
if (ret != 0) {
(void) fprintf(stderr,
gettext("failed to check state for %s\n"), vdev);
return (1);
}
if (!inuse)
goto wipe_label;
switch (state) {
default:
case POOL_STATE_ACTIVE:
case POOL_STATE_SPARE:
case POOL_STATE_L2CACHE:
(void) fprintf(stderr, gettext(
"%s is a member (%s) of pool \"%s\"\n"),
vdev, zpool_pool_state_to_name(state), name);
ret = 1;
goto errout;
case POOL_STATE_EXPORTED:
if (force)
break;
(void) fprintf(stderr, gettext(
"use '-f' to override the following error:\n"
"%s is a member of exported pool \"%s\"\n"),
vdev, name);
ret = 1;
goto errout;
case POOL_STATE_POTENTIALLY_ACTIVE:
if (force)
break;
(void) fprintf(stderr, gettext(
"use '-f' to override the following error:\n"
"%s is a member of potentially active pool \"%s\"\n"),
vdev, name);
ret = 1;
goto errout;
case POOL_STATE_DESTROYED:
/* inuse should never be set for a destroyed pool */
assert(0);
break;
}
wipe_label:
ret = zpool_clear_label(fd);
if (ret != 0) {
(void) fprintf(stderr,
gettext("failed to clear label for %s\n"), vdev);
}
errout:
free(name);
(void) close(fd);
return (ret);
}
/*
* zpool create [-fnd] [-B] [-o property=value] ...
* [-O file-system-property=value] ...
* [-R root] [-m mountpoint] [-t tempname] <pool> <dev> ...
*
* -B Create boot partition.
* -f Force creation, even if devices appear in use
* -n Do not create the pool, but display the resulting layout if it
* were to be created.
* -R Create a pool under an alternate root
* -m Set default mountpoint for the root dataset. By default it's
* '/<pool>'
* -t Use the temporary name until the pool is exported.
* -o Set property=value.
* -d Don't automatically enable all supported pool features
* (individual features can be enabled with -o).
* -O Set fsproperty=value in the pool's root file system
*
* Creates the named pool according to the given vdev specification. The
* bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once
* we get the nvlist back from get_vdev_spec(), we either print out the contents
* (if '-n' was specified), or pass it to libzfs to do the creation.
*/
#define SYSTEM256 (256 * 1024 * 1024)
int
zpool_do_create(int argc, char **argv)
{
boolean_t force = B_FALSE;
boolean_t dryrun = B_FALSE;
boolean_t enable_all_pool_feat = B_TRUE;
zpool_boot_label_t boot_type = ZPOOL_NO_BOOT_LABEL;
uint64_t boot_size = 0;
int c;
nvlist_t *nvroot = NULL;
char *poolname;
char *tname = NULL;
int ret = 1;
char *altroot = NULL;
char *mountpoint = NULL;
nvlist_t *fsprops = NULL;
nvlist_t *props = NULL;
char *propval;
/* check options */
while ((c = getopt(argc, argv, ":fndBR:m:o:O:t:")) != -1) {
switch (c) {
case 'f':
force = B_TRUE;
break;
case 'n':
dryrun = B_TRUE;
break;
case 'd':
enable_all_pool_feat = B_FALSE;
break;
case 'B':
/*
* We should create the system partition.
* Also make sure the size is set.
*/
boot_type = ZPOOL_CREATE_BOOT_LABEL;
if (boot_size == 0)
boot_size = SYSTEM256;
break;
case 'R':
altroot = optarg;
if (add_prop_list(zpool_prop_to_name(
ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
goto errout;
if (add_prop_list_default(zpool_prop_to_name(
ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
goto errout;
break;
case 'm':
/* Equivalent to -O mountpoint=optarg */
mountpoint = optarg;
break;
case 'o':
if ((propval = strchr(optarg, '=')) == NULL) {
(void) fprintf(stderr, gettext("missing "
"'=' for -o option\n"));
goto errout;
}
*propval = '\0';
propval++;
if (add_prop_list(optarg, propval, &props, B_TRUE))
goto errout;