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tests: add test that DDF marks missing devices as failed on assembly.
[thirdparty/mdadm.git] / Detail.c
CommitLineData
64c4757e 1/*
9a9dab36 2 * mdadm - manage Linux "md" devices aka RAID arrays.
64c4757e 3 *
6f02172d 4 * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
64c4757e
NB
5 *
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Author: Neil Brown
e736b623 22 * Email: <neilb@suse.de>
64c4757e
NB
23 */
24
9a9dab36 25#include "mdadm.h"
64c4757e
NB
26#include "md_p.h"
27#include "md_u.h"
c69b251b 28#include <dirent.h>
64c4757e 29
41a663b2 30static int cmpstringp(const void *p1, const void *p2)
31{
32 return strcmp(* (char * const *) p1, * (char * const *) p2);
33}
34
b76dc299
MW
35static int add_device(const char *dev, char ***p_devices,
36 int *p_max_devices, int n_devices)
37{
38 if (n_devices + 1 >= *p_max_devices) {
39 *p_max_devices += 16;
40 *p_devices = xrealloc(*p_devices, *p_max_devices *
41 sizeof(**p_devices));
42 if (!*p_devices) {
43 *p_max_devices = 0;
44 return 0;
45 }
46 };
47 (*p_devices)[n_devices] = xstrdup(dev);
48 return n_devices + 1;
49}
50
ef898ce6 51int Detail(char *dev, struct context *c)
64c4757e
NB
52{
53 /*
54 * Print out details for an md array by using
55 * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
56 */
57
fb97b4d6 58 int fd = open(dev, O_RDONLY);
64c4757e
NB
59 int vers;
60 mdu_array_info_t array;
b0c63f32
NB
61 mdu_disk_info_t *disks;
62 int next;
64c4757e
NB
63 int d;
64 time_t atime;
4df01ff5 65 char *str;
41a663b2 66 char **devices = NULL;
67 int max_devices = 0, n_devices = 0;
feb716e9 68 int spares = 0;
dd0781e5 69 struct stat stb;
e5329c37
NB
70 int is_26 = get_linux_version() >= 2006000;
71 int is_rebuilding = 0;
72 int failed = 0;
9aaada05 73 struct supertype *st;
4725bc31 74 char *subarray = NULL;
e27d562b 75 int max_disks = MD_SB_DISKS; /* just a default */
a1f976a0 76 struct mdinfo *info = NULL;
142cb9e1 77 struct mdinfo *sra;
e6fc80a8 78 struct mdinfo *subdev;
c69b251b
N
79 char *member = NULL;
80 char *container = NULL;
64c4757e 81
ef898ce6 82 int rv = c->test ? 4 : 1;
a77be586 83 int avail_disks = 0;
d0673517 84 char *avail = NULL;
e6fc80a8
N
85 int external;
86 int inactive;
82b27616 87
64c4757e 88 if (fd < 0) {
e7b84f9d 89 pr_err("cannot open %s: %s\n",
64c4757e 90 dev, strerror(errno));
feb716e9 91 return rv;
64c4757e
NB
92 }
93 vers = md_get_version(fd);
94 if (vers < 0) {
e7b84f9d 95 pr_err("%s does not appear to be an md device\n",
64c4757e
NB
96 dev);
97 close(fd);
feb716e9 98 return rv;
64c4757e 99 }
682c7051 100 if (vers < 9000) {
e7b84f9d 101 pr_err("cannot get detail for md device %s: driver version too old.\n",
64c4757e
NB
102 dev);
103 close(fd);
feb716e9 104 return rv;
64c4757e 105 }
e6fc80a8
N
106 sra = sysfs_read(fd, NULL, GET_VERSION|GET_DEVS);
107 external = (sra != NULL && sra->array.major_version == -1
108 && sra->array.minor_version == -2);
109 st = super_by_fd(fd, &subarray);
110 if (ioctl(fd, GET_ARRAY_INFO, &array) == 0) {
111 inactive = 0;
112 } else if (errno == ENODEV) {
113 array = sra->array;
114 inactive = 1;
115 } else {
116 pr_err("cannot get array detail for %s: %s\n",
117 dev, strerror(errno));
64c4757e 118 close(fd);
feb716e9 119 return rv;
64c4757e 120 }
f9ce90ba 121
dd0781e5
NB
122 if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
123 stb.st_rdev = 0;
feb716e9 124 rv = 0;
e5329c37 125
c69b251b
N
126 if (st)
127 max_disks = st->max_devs;
128
5f7e44b2 129 if (subarray) {
c69b251b
N
130 /* This is a subarray of some container.
131 * We want the name of the container, and the member
132 */
4dd2df09 133 int devid = devnm2devid(st->container_devnm);
c1ea5a98 134 int cfd, err;
5f7e44b2
DW
135
136 member = subarray;
4dd2df09
N
137 container = map_dev_preferred(major(devid), minor(devid),
138 1, c->prefer);
c1ea5a98 139 cfd = open_dev(st->container_devnm);
140 if (cfd >= 0) {
141 err = st->ss->load_container(st, cfd, NULL);
142 close(cfd);
143 if (err == 0)
144 info = st->ss->container_content(st, subarray);
145 }
c69b251b 146 }
ea329559 147
e6fc80a8
N
148 /* try to load a superblock. Try sra->devs first, then try ioctl */
149 if (st && !info) for (d = 0, subdev = sra ? sra->devs : NULL;
150 d < max_disks || subdev;
151 subdev ? (void)(subdev = subdev->next) : (void)(d++)){
e5329c37
NB
152 mdu_disk_info_t disk;
153 char *dv;
9aaada05
N
154 int fd2;
155 int err;
e6fc80a8
N
156 if (subdev)
157 disk = subdev->disk;
158 else {
159 disk.number = d;
160 if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
161 continue;
162 if (d >= array.raid_disks &&
163 disk.major == 0 &&
164 disk.minor == 0)
165 continue;
166 }
9aaada05
N
167
168 if (array.raid_disks > 0 &&
169 (disk.state & (1 << MD_DISK_ACTIVE)) == 0)
170 continue;
171
172 dv = map_dev(disk.major, disk.minor, 1);
173 if (!dv)
174 continue;
175
176 fd2 = dev_open(dv, O_RDONLY);
177 if (fd2 < 0)
178 continue;
179
180 if (st->sb)
181 st->ss->free_super(st);
182
183 err = st->ss->load_super(st, fd2, NULL);
184 close(fd2);
185 if (err)
186 continue;
a1f976a0
N
187 if (info)
188 free(info);
189 if (subarray)
190 info = st->ss->container_content(st, subarray);
191 else {
503975b9 192 info = xmalloc(sizeof(*info));
a1f976a0
N
193 st->ss->getinfo_super(st, info, NULL);
194 }
195 if (!info)
196 continue;
9aaada05
N
197
198 if (array.raid_disks != 0 && /* container */
a1f976a0
N
199 (info->array.ctime != array.ctime ||
200 info->array.level != array.level)) {
9aaada05
N
201 st->ss->free_super(st);
202 continue;
e5329c37 203 }
9aaada05 204 /* some formats (imsm) have free-floating-spares
22e263f6 205 * with a uuid of uuid_zero, they don't
9aaada05
N
206 * have very good info about the rest of the
207 * container, so keep searching when
208 * encountering such a device. Otherwise, stop
209 * after the first successful call to
210 * ->load_super.
211 */
22e263f6 212 if (memcmp(uuid_zero,
a1f976a0 213 info->uuid,
22e263f6 214 sizeof(uuid_zero)) == 0) {
9aaada05
N
215 st->ss->free_super(st);
216 continue;
217 }
218 break;
e5329c37
NB
219 }
220
64c4757e 221 /* Ok, we have some info to print... */
4df01ff5 222 str = map_num(pers, array.level);
54bad364 223
ef898ce6 224 if (c->export) {
c69b251b 225 if (array.raid_disks) {
4df01ff5
N
226 if (str)
227 printf("MD_LEVEL=%s\n", str);
c69b251b
N
228 printf("MD_DEVICES=%d\n", array.raid_disks);
229 } else {
e6fc80a8
N
230 if (!inactive)
231 printf("MD_LEVEL=container\n");
c69b251b
N
232 printf("MD_DEVICES=%d\n", array.nr_disks);
233 }
234 if (container) {
235 printf("MD_CONTAINER=%s\n", container);
236 printf("MD_MEMBER=%s\n", member);
237 } else {
238 if (sra && sra->array.major_version < 0)
239 printf("MD_METADATA=%s\n", sra->text_version);
240 else
6e48d593 241 printf("MD_METADATA=%d.%d\n",
c69b251b
N
242 array.major_version, array.minor_version);
243 }
ca3b6696 244
a1f976a0 245 if (st && st->sb && info) {
35ddc76d 246 char nbuf[64];
f069dd29 247 struct map_ent *mp, *map = NULL;
9aaada05 248
a1f976a0 249 fname_from_uuid(st, info, nbuf, ':');
35ddc76d 250 printf("MD_UUID=%s\n", nbuf+5);
a1f976a0 251 mp = map_by_uuid(&map, info->uuid);
f069dd29 252 if (mp && mp->path &&
7103b9b8
N
253 strncmp(mp->path, "/dev/md/", 8) == 0) {
254 printf("MD_DEVNAME=");
255 print_escape(mp->path+8);
256 putchar('\n');
257 }
142cb9e1 258
35ddc76d
N
259 if (st->ss->export_detail_super)
260 st->ss->export_detail_super(st);
7e6c6cb2
N
261 } else {
262 struct map_ent *mp, *map = NULL;
aae5a112 263 char nbuf[64];
4dd2df09 264 mp = map_by_devnm(&map, fd2devnm(fd));
aae5a112
DW
265 if (mp) {
266 __fname_from_uuid(mp->uuid, 0, nbuf, ':');
267 printf("MD_UUID=%s\n", nbuf+5);
268 }
7e6c6cb2 269 if (mp && mp->path &&
7103b9b8
N
270 strncmp(mp->path, "/dev/md/", 8) == 0) {
271 printf("MD_DEVNAME=");
272 print_escape(mp->path+8);
273 putchar('\n');
274 }
35ddc76d 275 }
54def20f
N
276 if (sra) {
277 struct mdinfo *mdi;
278 for (mdi = sra->devs; mdi; mdi = mdi->next) {
279 char *path =
280 map_dev(mdi->disk.major,
281 mdi->disk.minor, 0);
282
283 if (mdi->disk.raid_disk >= 0)
284 printf("MD_DEVICE_%s_ROLE=%d\n",
285 mdi->sys_name+4,
286 mdi->disk.raid_disk);
287 else
288 printf("MD_DEVICE_%s_ROLE=spare\n",
289 mdi->sys_name+4);
290 if (path)
291 printf("MD_DEVICE_%s_DEV=%s\n",
292 mdi->sys_name+4, path);
293 }
294 }
54bad364
KS
295 goto out;
296 }
297
503975b9 298 disks = xmalloc(max_disks * sizeof(mdu_disk_info_t));
ca3b6696 299 for (d = 0; d < max_disks; d++) {
d998adc3
N
300 disks[d].state = (1<<MD_DISK_REMOVED);
301 disks[d].major = disks[d].minor = 0;
302 disks[d].number = disks[d].raid_disk = d;
303 }
304
24c7bc84 305 next = array.raid_disks*2;
e6fc80a8
N
306 if (inactive) {
307 struct mdinfo *mdi;
308 if (sra != NULL)
309 for (mdi = sra->devs; mdi; mdi = mdi->next) {
310 disks[next++] = mdi->disk;
311 disks[next-1].number = -1;
312 }
313 } else for (d = 0; d < max_disks; d++) {
d998adc3
N
314 mdu_disk_info_t disk;
315 disk.number = d;
316 if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
317 if (d < array.raid_disks)
e7b84f9d 318 pr_err("cannot get device detail for device %d: %s\n",
d998adc3
N
319 d, strerror(errno));
320 continue;
321 }
322 if (disk.major == 0 && disk.minor == 0)
323 continue;
24c7bc84
N
324 if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
325 && disks[disk.raid_disk*2].state == (1<<MD_DISK_REMOVED))
326 disks[disk.raid_disk*2] = disk;
327 else if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
328 && disks[disk.raid_disk*2+1].state == (1<<MD_DISK_REMOVED))
329 disks[disk.raid_disk*2+1] = disk;
d998adc3
N
330 else if (next < max_disks)
331 disks[next++] = disk;
332 }
333
503975b9 334 avail = xcalloc(array.raid_disks, 1);
d998adc3
N
335
336 for (d= 0; d < array.raid_disks; d++) {
d998adc3 337
24c7bc84
N
338 if ((disks[d*2].state & (1<<MD_DISK_SYNC)) ||
339 (disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
d998adc3
N
340 avail_disks ++;
341 avail[d] = 1;
342 }
343 }
344
ef898ce6 345 if (c->brief) {
e8eb8763 346 mdu_bitmap_file_t bmf;
e6fc80a8 347 printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev);
b3908491 348 if (c->verbose > 0) {
061f2c6a 349 if (array.raid_disks)
0e90271e 350 printf(" level=%s num-devices=%d",
4df01ff5 351 str?str:"-unknown-",
061f2c6a 352 array.raid_disks );
e6fc80a8 353 else if (!inactive)
0e90271e 354 printf(" level=container num-devices=%d",
061f2c6a 355 array.nr_disks);
e6fc80a8
N
356 else
357 printf(" num-devices=%d", array.nr_disks);
061f2c6a 358 }
c69b251b
N
359 if (container) {
360 printf(" container=%s", container);
361 printf(" member=%s", member);
362 } else {
363 if (sra && sra->array.major_version < 0)
364 printf(" metadata=%s", sra->text_version);
365 else
6e48d593 366 printf(" metadata=%d.%d",
c69b251b
N
367 array.major_version, array.minor_version);
368 }
e8eb8763
NB
369
370 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
371 if (vers >= 9001 &&
372 ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
373 bmf.pathname[0]) {
374 printf(" bitmap=%s", bmf.pathname);
375 }
142cb9e1 376 } else {
8fac0577 377 mdu_bitmap_file_t bmf;
e0d19036 378 unsigned long long larray_size;
22a88995 379 struct mdstat_ent *ms = mdstat_read(0, 0);
dd0781e5 380 struct mdstat_ent *e;
4dd2df09 381 char *devnm;
dd0781e5 382
4dd2df09 383 devnm = stat2devnm(&stb);
dd0781e5 384 for (e=ms; e; e=e->next)
4dd2df09 385 if (strcmp(e->devnm, devnm) == 0)
dd0781e5 386 break;
beae1dfe
NB
387 if (!get_dev_size(fd, NULL, &larray_size))
388 larray_size = 0;
56eb10c0 389
cd29a5c8 390 printf("%s:\n", dev);
142cb9e1 391
c69b251b
N
392 if (container)
393 printf(" Container : %s, member %s\n", container, member);
394 else {
142cb9e1
NB
395 if (sra && sra->array.major_version < 0)
396 printf(" Version : %s\n", sra->text_version);
397 else
6e48d593 398 printf(" Version : %d.%d\n",
142cb9e1 399 array.major_version, array.minor_version);
c69b251b 400 }
142cb9e1 401
cd29a5c8 402 atime = array.ctime;
c69b251b
N
403 if (atime)
404 printf(" Creation Time : %.24s\n", ctime(&atime));
e6fc80a8 405 if (array.raid_disks == 0 && external)
4df01ff5 406 str = "container";
e6fc80a8
N
407 if (str)
408 printf(" Raid Level : %s\n", str);
56eb10c0 409 if (larray_size)
ca3b6696
N
410 printf(" Array Size : %llu%s\n", (larray_size>>10),
411 human_size(larray_size));
3d4064cc 412 if (array.level >= 1) {
ec1b28fd
N
413 if (sra)
414 array.major_version = sra->array.major_version;
3d4064cc 415 if (array.major_version != 0 &&
6ee5c05a
NB
416 (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
417 unsigned long long dsize = get_component_size(fd);
418 if (dsize > 0)
e3362544 419 printf(" Used Dev Size : %llu%s\n",
a1236192
N
420 dsize/2,
421 human_size((long long)dsize<<9));
6ee5c05a 422 else
e3362544 423 printf(" Used Dev Size : unknown\n");
6ee5c05a 424 } else
e3362544
NB
425 printf(" Used Dev Size : %d%s\n", array.size,
426 human_size((long long)array.size<<10));
3d4064cc 427 }
c69b251b
N
428 if (array.raid_disks)
429 printf(" Raid Devices : %d\n", array.raid_disks);
b83d95f3 430 printf(" Total Devices : %d\n", array.nr_disks);
ca3b6696 431 if (!container &&
c69b251b
N
432 ((sra == NULL && array.major_version == 0) ||
433 (sra && sra->array.major_version == 0)))
434 printf("Preferred Minor : %d\n", array.md_minor);
142cb9e1
NB
435 if (sra == NULL || sra->array.major_version >= 0)
436 printf(" Persistence : Superblock is %spersistent\n",
437 array.not_persistent?"not ":"");
cd29a5c8 438 printf("\n");
4027ddca
NB
439 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
440 if (vers >= 9001 &&
441 ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
442 bmf.pathname[0]) {
8fac0577
NB
443 printf(" Intent Bitmap : %s\n", bmf.pathname);
444 printf("\n");
445 } else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
446 printf(" Intent Bitmap : Internal\n\n");
cd29a5c8 447 atime = array.utime;
c69b251b
N
448 if (atime)
449 printf(" Update Time : %.24s\n", ctime(&atime));
d998adc3 450 if (array.raid_disks) {
ca3b6696
N
451 static char *sync_action[] = {
452 ", recovering", ", resyncing",
453 ", reshaping", ", checking" };
d998adc3
N
454 char *st;
455 if (avail_disks == array.raid_disks)
456 st = "";
457 else if (!enough(array.level, array.raid_disks,
de5a472e 458 array.layout, 1, avail))
d998adc3
N
459 st = ", FAILED";
460 else
461 st = ", degraded";
462
2d3603ba
KW
463 printf(" State : %s%s%s%s%s%s \n",
464 (array.state&(1<<MD_SB_CLEAN))?"clean":"active", st,
9dad51d4
N
465 (!e || (e->percent < 0 && e->percent != RESYNC_PENDING &&
466 e->percent != RESYNC_DELAYED)) ? "" : sync_action[e->resync],
2d3603ba 467 larray_size ? "": ", Not Started",
9dad51d4
N
468 e->percent == RESYNC_DELAYED ? " (DELAYED)": "",
469 e->percent == RESYNC_PENDING ? " (PENDING)": "");
e6fc80a8
N
470 } else if (inactive) {
471 printf(" State : inactive\n");
d998adc3 472 }
c69b251b
N
473 if (array.raid_disks)
474 printf(" Active Devices : %d\n", array.active_disks);
e6fc80a8
N
475 if (array.working_disks > 0)
476 printf("Working Devices : %d\n", array.working_disks);
c69b251b
N
477 if (array.raid_disks) {
478 printf(" Failed Devices : %d\n", array.failed_disks);
479 printf(" Spare Devices : %d\n", array.spare_disks);
480 }
cd29a5c8
NB
481 printf("\n");
482 if (array.level == 5) {
4df01ff5
N
483 str = map_num(r5layout, array.layout);
484 printf(" Layout : %s\n", str?str:"-unknown-");
cd29a5c8 485 }
fe77a154 486 if (array.level == 6) {
4df01ff5
N
487 str = map_num(r6layout, array.layout);
488 printf(" Layout : %s\n", str?str:"-unknown-");
fe77a154 489 }
e5329c37 490 if (array.level == 10) {
e4965ef8
N
491 printf(" Layout :");
492 print_r10_layout(array.layout);
493 printf("\n");
e5329c37 494 }
cd29a5c8
NB
495 switch (array.level) {
496 case 0:
497 case 4:
498 case 5:
e5329c37
NB
499 case 10:
500 case 6:
142cb9e1
NB
501 if (array.chunk_size)
502 printf(" Chunk Size : %dK\n\n",
503 array.chunk_size/1024);
cd29a5c8
NB
504 break;
505 case -1:
e5329c37 506 printf(" Rounding : %dK\n\n", array.chunk_size/1024);
cd29a5c8
NB
507 break;
508 default: break;
509 }
aba69144 510
e5329c37 511 if (e && e->percent >= 0) {
ca3b6696
N
512 static char *sync_action[] = {
513 "Rebuild", "Resync",
514 "Reshape", "Check"};
2d3603ba 515 printf(" %7s Status : %d%% complete\n", sync_action[e->resync], e->percent);
e5329c37
NB
516 is_rebuilding = 1;
517 }
dd0781e5
NB
518 free_mdstat(ms);
519
db428d7a 520 if ((st && st->sb) && (info && info->reshape_active)) {
bed256c2
NB
521#if 0
522This is pretty boring
a1f976a0
N
523 printf(" Reshape pos'n : %llu%s\n", (unsigned long long) info->reshape_progress<<9,
524 human_size((unsigned long long)info->reshape_progress<<9));
bed256c2 525#endif
c281a804 526 if (info->delta_disks != 0)
bed256c2 527 printf(" Delta Devices : %d, (%d->%d)\n",
ca3b6696
N
528 info->delta_disks,
529 array.raid_disks - info->delta_disks,
530 array.raid_disks);
a1f976a0 531 if (info->new_level != array.level) {
4df01ff5
N
532 str = map_num(pers, info->new_level);
533 printf(" New Level : %s\n", str?str:"-unknown-");
bed256c2 534 }
a1f976a0
N
535 if (info->new_level != array.level ||
536 info->new_layout != array.layout) {
537 if (info->new_level == 5) {
4df01ff5 538 str = map_num(r5layout, info->new_layout);
bed256c2 539 printf(" New Layout : %s\n",
4df01ff5 540 str?str:"-unknown-");
bed256c2 541 }
a1f976a0 542 if (info->new_level == 6) {
4df01ff5 543 str = map_num(r6layout, info->new_layout);
dab54dcb 544 printf(" New Layout : %s\n",
4df01ff5 545 str?str:"-unknown-");
dab54dcb 546 }
a1f976a0 547 if (info->new_level == 10) {
b578481c 548 printf(" New Layout : near=%d, %s=%d\n",
a1f976a0
N
549 info->new_layout&255,
550 (info->new_layout&0x10000)?"offset":"far",
551 (info->new_layout>>8)&255);
bed256c2
NB
552 }
553 }
a1f976a0
N
554 if (info->new_chunk != array.chunk_size)
555 printf(" New Chunksize : %dK\n", info->new_chunk/1024);
bed256c2
NB
556 printf("\n");
557 } else if (e && e->percent >= 0)
558 printf("\n");
3da92f27 559 if (st && st->sb)
ef898ce6 560 st->ss->detail_super(st, c->homehost);
e5329c37 561
c69b251b
N
562 if (array.raid_disks == 0 && sra && sra->array.major_version == -1
563 && sra->array.minor_version == -2 && sra->text_version[0] != '/') {
564 /* This looks like a container. Find any active arrays
565 * That claim to be a member.
566 */
567 DIR *dir = opendir("/sys/block");
568 struct dirent *de;
569
570 printf(" Member Arrays :");
571
572 while (dir && (de = readdir(dir)) != NULL) {
573 char path[200];
574 char vbuf[1024];
575 int nlen = strlen(sra->sys_name);
4dd2df09 576 int devid;
c69b251b
N
577 if (de->d_name[0] == '.')
578 continue;
579 sprintf(path, "/sys/block/%s/md/metadata_version",
580 de->d_name);
581 if (load_sys(path, vbuf) < 0)
582 continue;
583 if (strncmp(vbuf, "external:", 9) != 0 ||
66ccd96e 584 !is_subarray(vbuf+9) ||
c69b251b
N
585 strncmp(vbuf+10, sra->sys_name, nlen) != 0 ||
586 vbuf[10+nlen] != '/')
587 continue;
4dd2df09 588 devid = devnm2devid(de->d_name);
c2ecf5f6 589 printf(" %s", map_dev_preferred(
4dd2df09
N
590 major(devid),
591 minor(devid), 1, c->prefer));
c69b251b
N
592 }
593 if (dir)
594 closedir(dir);
595 printf("\n\n");
596 }
597
598 if (array.raid_disks)
599 printf(" Number Major Minor RaidDevice State\n");
600 else
601 printf(" Number Major Minor RaidDevice\n");
cd29a5c8 602 }
a1f976a0 603 free(info);
b0c63f32 604
b0c63f32
NB
605 for (d= 0; d < max_disks; d++) {
606 char *dv;
607 mdu_disk_info_t disk = disks[d];
608
24c7bc84
N
609 if (d >= array.raid_disks*2 &&
610 disk.major == 0 &&
611 disk.minor == 0)
612 continue;
613 if ((d & 1) &&
e0d19036
NB
614 disk.major == 0 &&
615 disk.minor == 0)
616 continue;
ef898ce6 617 if (!c->brief) {
24c7bc84 618 if (d == array.raid_disks*2) printf("\n");
e6fc80a8
N
619 if (disk.number < 0)
620 printf(" - %5d %5d - ",
621 disk.major, disk.minor);
622 else if (disk.raid_disk < 0)
aba69144 623 printf(" %5d %5d %5d - ",
e5329c37
NB
624 disk.number, disk.major, disk.minor);
625 else
aba69144 626 printf(" %5d %5d %5d %5d ",
e5329c37 627 disk.number, disk.major, disk.minor, disk.raid_disk);
c69b251b 628 }
ef898ce6 629 if (!c->brief && array.raid_disks) {
c69b251b 630
aba69144
NB
631 if (disk.state & (1<<MD_DISK_FAULTY)) {
632 printf(" faulty");
e5329c37
NB
633 if (disk.raid_disk < array.raid_disks &&
634 disk.raid_disk >= 0)
635 failed++;
636 }
cd29a5c8 637 if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
2c096ebe
N
638 if (disk.state & (1<<MD_DISK_SYNC)) {
639 printf(" sync");
640 if (array.level == 10 && (array.layout & ~0x1FFFF) == 0) {
641 int nc = array.layout & 0xff;
642 int fc = (array.layout >> 8) & 0xff;
643 int copies = nc*fc;
787e234d 644 if (fc == 1 && array.raid_disks % copies == 0 && copies <= 26) {
2c096ebe
N
645 /* We can divide the devices into 'sets' */
646 int set = disk.raid_disk % copies;
647 printf(" set-%c", set + 'A');
648 }
649 }
650 }
cd29a5c8 651 if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
b0c63f32
NB
652 if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
653 if ((disk.state &
71ec7076
N
654 ((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC)
655 |(1<<MD_DISK_REMOVED)|(1<<MD_DISK_FAULTY)))
b0c63f32
NB
656 == 0) {
657 printf(" spare");
e5329c37
NB
658 if (is_26) {
659 if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
660 printf(" rebuilding");
661 } else if (is_rebuilding && failed) {
662 /* Taking a bit of a risk here, we remove the
663 * device from the array, and then put it back.
664 * If this fails, we are rebuilding
665 */
0df46c2a
NB
666 int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
667 if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
e5329c37
NB
668 if (err && errno == EBUSY)
669 printf(" rebuilding");
670 }
671 }
feb716e9 672 }
e5329c37 673 if (disk.state == 0) spares++;
ef898ce6 674 if (c->test && d < array.raid_disks
a77be586 675 && !(disk.state & (1<<MD_DISK_SYNC)))
feb716e9 676 rv |= 1;
ca3b6696
N
677 dv=map_dev_preferred(disk.major, disk.minor, 0, c->prefer);
678 if (dv != NULL) {
b76dc299
MW
679 if (c->brief)
680 n_devices = add_device(dv, &devices,
681 &max_devices,
682 n_devices);
683 else
d013a55e 684 printf(" %s", dv);
82b27616 685 }
ef898ce6 686 if (!c->brief) printf("\n");
64c4757e 687 }
ef898ce6
N
688 if (spares && c->brief && array.raid_disks) printf(" spares=%d", spares);
689 if (c->brief && st && st->sb)
3da92f27 690 st->ss->brief_detail_super(st);
db428d7a
LD
691 if (st)
692 st->ss->free_super(st);
4b1ac34b 693
41a663b2 694 if (c->brief && c->verbose > 0 && devices) {
695 qsort(devices, n_devices, sizeof(*devices), cmpstringp);
696 printf("\n devices=%s", devices[0]);
697 for (d = 1; d < n_devices; d++)
698 printf(",%s", devices[d]);
699 }
ef898ce6
N
700 if (c->brief)
701 printf("\n");
702 if (c->test &&
a77be586 703 !enough(array.level, array.raid_disks, array.layout,
de5a472e 704 1, avail))
a77be586
NB
705 rv = 2;
706
0eb26465 707 free(disks);
a328c097 708out:
e5329c37 709 close(fd);
4725bc31 710 free(subarray);
d0673517 711 free(avail);
41a663b2 712 for (d = 0; d < n_devices; d++)
713 free(devices[d]);
714 free(devices);
5454b6f3 715 sysfs_free(sra);
feb716e9 716 return rv;
64c4757e 717}
4cce4069 718
9eafa1de 719int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path)
4cce4069
DW
720{
721 /* display platform capabilities for the given metadata format
722 * 'scan' in this context means iterate over all metadata types
723 */
724 int i;
725 int err = 1;
726
e50cf220 727 if (ss && export && ss->export_detail_platform)
9eafa1de 728 err = ss->export_detail_platform(verbose, controller_path);
e50cf220 729 else if (ss && ss->detail_platform)
9eafa1de 730 err = ss->detail_platform(verbose, 0, controller_path);
4cce4069 731 else if (ss) {
ba728be7 732 if (verbose > 0)
e7b84f9d 733 pr_err("%s metadata is platform independent\n",
4cce4069
DW
734 ss->name ? : "[no name]");
735 } else if (!scan) {
ba728be7 736 if (verbose > 0)
e7b84f9d 737 pr_err("specify a metadata type or --scan\n");
4cce4069
DW
738 }
739
740 if (!scan)
741 return err;
742
9590cb42 743 err = 0;
4cce4069
DW
744 for (i = 0; superlist[i]; i++) {
745 struct superswitch *meta = superlist[i];
746
747 if (meta == ss)
748 continue;
ba728be7 749 if (verbose > 0)
e7b84f9d 750 pr_err("checking metadata %s\n",
4cce4069
DW
751 meta->name ? : "[no name]");
752 if (!meta->detail_platform) {
ba728be7 753 if (verbose > 0)
e7b84f9d 754 pr_err("%s metadata is platform independent\n",
4cce4069 755 meta->name ? : "[no name]");
e50cf220 756 } else if (export && meta->export_detail_platform) {
9eafa1de 757 err |= meta->export_detail_platform(verbose, controller_path);
4cce4069 758 } else
9eafa1de 759 err |= meta->detail_platform(verbose, 0, controller_path);
4cce4069
DW
760 }
761
762 return err;
763}