]> git.ipfire.org Git - thirdparty/mdadm.git/blob - Detail.c
projects / thirdparty / mdadm.git / blob
? search:


bf881ff70e5dc4df308a60fa7214c154f0da681b
[thirdparty/mdadm.git] / Detail.c
1 /*
2 * mdadm - manage Linux "md" devices aka RAID arrays.
3 *
4 * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
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
22 * Email: <neilb@suse.de>
23 */
24
25 #include "mdadm.h"
26 #include "md_p.h"
27 #include "md_u.h"
28 #include <ctype.h>
29 #include <dirent.h>
30
31 static int cmpstringp(const void *p1, const void *p2)
32 {
33 return strcmp(* (char * const *) p1, * (char * const *) p2);
34 }
35
36 static int add_device(const char *dev, char ***p_devices,
37 int *p_max_devices, int n_devices)
38 {
39 if (n_devices + 1 >= *p_max_devices) {
40 *p_max_devices += 16;
41 *p_devices = xrealloc(*p_devices, *p_max_devices *
42 sizeof(**p_devices));
43 if (!*p_devices) {
44 *p_max_devices = 0;
45 return 0;
46 }
47 };
48 (*p_devices)[n_devices] = xstrdup(dev);
49 return n_devices + 1;
50 }
51
52 int Detail(char *dev, struct context *c)
53 {
54 /*
55 * Print out details for an md array
56 */
57 int fd = open(dev, O_RDONLY);
58 mdu_array_info_t array;
59 mdu_disk_info_t *disks;
60 int next;
61 int d;
62 time_t atime;
63 char *str;
64 char **devices = NULL;
65 int max_devices = 0, n_devices = 0;
66 int spares = 0;
67 struct stat stb;
68 int failed = 0;
69 struct supertype *st;
70 char *subarray = NULL;
71 int max_disks = MD_SB_DISKS; /* just a default */
72 struct mdinfo *info = NULL;
73 struct mdinfo *sra;
74 struct mdinfo *subdev;
75 char *member = NULL;
76 char *container = NULL;
77
78 int rv = c->test ? 4 : 1;
79 int avail_disks = 0;
80 char *avail = NULL;
81 int external;
82 int inactive;
83
84 if (fd < 0) {
85 pr_err("cannot open %s: %s\n",
86 dev, strerror(errno));
87 return rv;
88 }
89 sra = sysfs_read(fd, NULL, GET_VERSION | GET_DEVS | GET_ARRAY_STATE);
90 if (!sra) {
91 if (md_get_array_info(fd, &array)) {
92 pr_err("%s does not appear to be an md device\n", dev);
93 close(fd);
94 return rv;
95 }
96 }
97 external = (sra != NULL && sra->array.major_version == -1 &&
98 sra->array.minor_version == -2);
99 inactive = (sra->array_state == ARRAY_ACTIVE ||
100 sra->array_state == ARRAY_CLEAR);
101 st = super_by_fd(fd, &subarray);
102 if (md_get_array_info(fd, &array) && errno == ENODEV) {
103 if (sra->array.major_version == -1 &&
104 sra->array.minor_version == -1 &&
105 sra->devs == NULL) {
106 pr_err("Array associated with md device %s does not exist.\n", dev);
107 close(fd);
108 sysfs_free(sra);
109 return rv;
110 }
111 array = sra->array;
112 } else {
113 pr_err("cannot get array detail for %s: %s\n",
114 dev, strerror(errno));
115 close(fd);
116 return rv;
117 }
118
119 if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
120 stb.st_rdev = 0;
121 rv = 0;
122
123 if (st)
124 max_disks = st->max_devs;
125
126 if (subarray) {
127 /* This is a subarray of some container.
128 * We want the name of the container, and the member
129 */
130 dev_t devid = devnm2devid(st->container_devnm);
131 int cfd, err;
132
133 member = subarray;
134 container = map_dev_preferred(major(devid), minor(devid),
135 1, c->prefer);
136 cfd = open_dev(st->container_devnm);
137 if (cfd >= 0) {
138 err = st->ss->load_container(st, cfd, NULL);
139 close(cfd);
140 if (err == 0)
141 info = st->ss->container_content(st, subarray);
142 }
143 }
144
145 /* try to load a superblock. Try sra->devs first, then try ioctl */
146 if (st && !info)
147 for (d = 0, subdev = sra ? sra->devs : NULL;
148 d < max_disks || subdev;
149 subdev ? (void)(subdev = subdev->next) : (void)(d++)){
150 mdu_disk_info_t disk;
151 char *dv;
152 int fd2;
153 int err;
154
155 if (subdev)
156 disk = subdev->disk;
157 else {
158 disk.number = d;
159 if (md_get_disk_info(fd, &disk) < 0)
160 continue;
161 if (d >= array.raid_disks &&
162 disk.major == 0 && disk.minor == 0)
163 continue;
164 }
165
166 if (array.raid_disks > 0 &&
167 (disk.state & (1 << MD_DISK_ACTIVE)) == 0)
168 continue;
169
170 dv = map_dev(disk.major, disk.minor, 1);
171 if (!dv)
172 continue;
173
174 fd2 = dev_open(dv, O_RDONLY);
175 if (fd2 < 0)
176 continue;
177
178 if (st->sb)
179 st->ss->free_super(st);
180
181 err = st->ss->load_super(st, fd2, NULL);
182 close(fd2);
183 if (err)
184 continue;
185 if (info)
186 free(info);
187 if (subarray)
188 info = st->ss->container_content(st, subarray);
189 else {
190 info = xmalloc(sizeof(*info));
191 st->ss->getinfo_super(st, info, NULL);
192 }
193 if (!info)
194 continue;
195
196 if (array.raid_disks != 0 && /* container */
197 (info->array.ctime != array.ctime ||
198 info->array.level != array.level)) {
199 st->ss->free_super(st);
200 continue;
201 }
202 /* some formats (imsm) have free-floating-spares
203 * with a uuid of uuid_zero, they don't
204 * have very good info about the rest of the
205 * container, so keep searching when
206 * encountering such a device. Otherwise, stop
207 * after the first successful call to
208 * ->load_super.
209 */
210 if (memcmp(uuid_zero,
211 info->uuid,
212 sizeof(uuid_zero)) == 0) {
213 st->ss->free_super(st);
214 continue;
215 }
216 break;
217 }
218
219 /* Ok, we have some info to print... */
220 str = map_num(pers, array.level);
221
222 if (c->export) {
223 if (array.raid_disks) {
224 if (str)
225 printf("MD_LEVEL=%s\n", str);
226 printf("MD_DEVICES=%d\n", array.raid_disks);
227 } else {
228 if (!inactive)
229 printf("MD_LEVEL=container\n");
230 printf("MD_DEVICES=%d\n", array.nr_disks);
231 }
232 if (container) {
233 printf("MD_CONTAINER=%s\n", container);
234 printf("MD_MEMBER=%s\n", member);
235 } else {
236 if (sra && sra->array.major_version < 0)
237 printf("MD_METADATA=%s\n", sra->text_version);
238 else
239 printf("MD_METADATA=%d.%d\n",
240 array.major_version,
241 array.minor_version);
242 }
243
244 if (st && st->sb && info) {
245 char nbuf[64];
246 struct map_ent *mp, *map = NULL;
247
248 fname_from_uuid(st, info, nbuf, ':');
249 printf("MD_UUID=%s\n", nbuf + 5);
250 mp = map_by_uuid(&map, info->uuid);
251 if (mp && mp->path &&
252 strncmp(mp->path, "/dev/md/", 8) == 0) {
253 printf("MD_DEVNAME=");
254 print_escape(mp->path + 8);
255 putchar('\n');
256 }
257
258 if (st->ss->export_detail_super)
259 st->ss->export_detail_super(st);
260 } else {
261 struct map_ent *mp, *map = NULL;
262 char nbuf[64];
263 mp = map_by_devnm(&map, fd2devnm(fd));
264 if (mp) {
265 __fname_from_uuid(mp->uuid, 0, nbuf, ':');
266 printf("MD_UUID=%s\n", nbuf+5);
267 }
268 if (mp && mp->path &&
269 strncmp(mp->path, "/dev/md/", 8) == 0) {
270 printf("MD_DEVNAME=");
271 print_escape(mp->path+8);
272 putchar('\n');
273 }
274 }
275 if (sra) {
276 struct mdinfo *mdi;
277 for (mdi = sra->devs; mdi; mdi = mdi->next) {
278 char *path;
279 char *sysdev = xstrdup(mdi->sys_name + 1);
280 char *cp;
281
282 path = map_dev(mdi->disk.major,
283 mdi->disk.minor, 0);
284 for (cp = sysdev; *cp; cp++)
285 if (!isalnum(*cp))
286 *cp = '_';
287
288 if (mdi->disk.raid_disk >= 0)
289 printf("MD_DEVICE_%s_ROLE=%d\n",
290 sysdev,
291 mdi->disk.raid_disk);
292 else
293 printf("MD_DEVICE_%s_ROLE=spare\n",
294 sysdev);
295 if (path)
296 printf("MD_DEVICE_%s_DEV=%s\n",
297 sysdev, path);
298 }
299 }
300 goto out;
301 }
302
303 disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t));
304 for (d = 0; d < max_disks * 2; d++) {
305 disks[d].state = (1 << MD_DISK_REMOVED);
306 disks[d].major = disks[d].minor = 0;
307 disks[d].number = -1;
308 disks[d].raid_disk = d / 2;
309 }
310
311 next = array.raid_disks * 2;
312 if (inactive) {
313 struct mdinfo *mdi;
314 if (sra != NULL)
315 for (mdi = sra->devs; mdi; mdi = mdi->next) {
316 disks[next++] = mdi->disk;
317 disks[next - 1].number = -1;
318 }
319 } else for (d = 0; d < max_disks; d++) {
320 mdu_disk_info_t disk;
321 disk.number = d;
322 if (md_get_disk_info(fd, &disk) < 0) {
323 if (d < array.raid_disks)
324 pr_err("cannot get device detail for device %d: %s\n",
325 d, strerror(errno));
326 continue;
327 }
328 if (disk.major == 0 && disk.minor == 0)
329 continue;
330 if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks &&
331 disks[disk.raid_disk * 2].state == (1 << MD_DISK_REMOVED) &&
332 ((disk.state & (1 << MD_DISK_JOURNAL)) == 0))
333 disks[disk.raid_disk * 2] = disk;
334 else if (disk.raid_disk >= 0 &&
335 disk.raid_disk < array.raid_disks &&
336 disks[disk.raid_disk * 2 + 1].state ==
337 (1 << MD_DISK_REMOVED) &&
338 !(disk.state & (1 << MD_DISK_JOURNAL)))
339 disks[disk.raid_disk * 2 + 1] = disk;
340 else if (next < max_disks * 2)
341 disks[next++] = disk;
342 }
343
344 avail = xcalloc(array.raid_disks, 1);
345
346 for (d = 0; d < array.raid_disks; d++) {
347
348 if ((disks[d*2].state & (1<<MD_DISK_SYNC)) ||
349 (disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
350 avail_disks ++;
351 avail[d] = 1;
352 } else
353 rv |= !! c->test;
354 }
355
356 if (c->brief) {
357 mdu_bitmap_file_t bmf;
358 printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev);
359 if (c->verbose > 0) {
360 if (array.raid_disks)
361 printf(" level=%s num-devices=%d",
362 str ? str : "-unknown-",
363 array.raid_disks);
364 else if (!inactive)
365 printf(" level=container num-devices=%d",
366 array.nr_disks);
367 else
368 printf(" num-devices=%d", array.nr_disks);
369 }
370 if (container) {
371 printf(" container=%s", container);
372 printf(" member=%s", member);
373 } else {
374 if (sra && sra->array.major_version < 0)
375 printf(" metadata=%s", sra->text_version);
376 else
377 printf(" metadata=%d.%d", array.major_version,
378 array.minor_version);
379 }
380
381 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
382 if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) {
383 printf(" bitmap=%s", bmf.pathname);
384 }
385 } else {
386 mdu_bitmap_file_t bmf;
387 unsigned long long larray_size;
388 struct mdstat_ent *ms = mdstat_read(0, 0);
389 struct mdstat_ent *e;
390 char *devnm;
391
392 devnm = stat2devnm(&stb);
393 for (e = ms; e; e = e->next)
394 if (strcmp(e->devnm, devnm) == 0)
395 break;
396 if (!get_dev_size(fd, NULL, &larray_size))
397 larray_size = 0;
398
399 printf("%s:\n", dev);
400
401 if (container)
402 printf(" Container : %s, member %s\n",
403 container, member);
404 else {
405 if (sra && sra->array.major_version < 0)
406 printf(" Version : %s\n",
407 sra->text_version);
408 else
409 printf(" Version : %d.%d\n",
410 array.major_version,
411 array.minor_version);
412 }
413
414 atime = array.ctime;
415 if (atime)
416 printf(" Creation Time : %.24s\n", ctime(&atime));
417 if (array.raid_disks == 0 && external)
418 str = "container";
419 if (str)
420 printf(" Raid Level : %s\n", str);
421 if (larray_size)
422 printf(" Array Size : %llu%s\n",
423 (larray_size >> 10),
424 human_size(larray_size));
425 if (array.level >= 1) {
426 if (sra)
427 array.major_version = sra->array.major_version;
428 if (array.major_version != 0 &&
429 (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
430 unsigned long long dsize;
431
432 dsize = get_component_size(fd);
433 if (dsize > 0)
434 printf(" Used Dev Size : %llu%s\n",
435 dsize/2,
436 human_size((long long)dsize<<9));
437 else
438 printf(" Used Dev Size : unknown\n");
439 } else
440 printf(" Used Dev Size : %lu%s\n",
441 (unsigned long)array.size,
442 human_size((unsigned long long)
443 array.size << 10));
444 }
445 if (array.raid_disks)
446 printf(" Raid Devices : %d\n", array.raid_disks);
447 printf(" Total Devices : %d\n", array.nr_disks);
448 if (!container &&
449 ((sra == NULL && array.major_version == 0) ||
450 (sra && sra->array.major_version == 0)))
451 printf(" Preferred Minor : %d\n", array.md_minor);
452 if (sra == NULL || sra->array.major_version >= 0)
453 printf(" Persistence : Superblock is %spersistent\n",
454 array.not_persistent ? "not " : "");
455 printf("\n");
456 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
457 if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) {
458 printf(" Intent Bitmap : %s\n", bmf.pathname);
459 printf("\n");
460 } else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
461 printf(" Intent Bitmap : Internal\n\n");
462 atime = array.utime;
463 if (atime)
464 printf(" Update Time : %.24s\n", ctime(&atime));
465 if (array.raid_disks) {
466 static char *sync_action[] = {
467 ", recovering", ", resyncing",
468 ", reshaping", ", checking" };
469 char *st;
470 if (avail_disks == array.raid_disks)
471 st = "";
472 else if (!enough(array.level, array.raid_disks,
473 array.layout, 1, avail))
474 st = ", FAILED";
475 else
476 st = ", degraded";
477
478 printf(" State : %s%s%s%s%s%s \n",
479 (array.state & (1 << MD_SB_CLEAN)) ?
480 "clean" : "active", st,
481 (!e || (e->percent < 0 &&
482 e->percent != RESYNC_PENDING &&
483 e->percent != RESYNC_DELAYED)) ?
484 "" : sync_action[e->resync],
485 larray_size ? "": ", Not Started",
486 (e && e->percent == RESYNC_DELAYED) ?
487 " (DELAYED)": "",
488 (e && e->percent == RESYNC_PENDING) ?
489 " (PENDING)": "");
490 } else if (inactive) {
491 printf(" State : inactive\n");
492 }
493 if (array.raid_disks)
494 printf(" Active Devices : %d\n", array.active_disks);
495 if (array.working_disks > 0)
496 printf(" Working Devices : %d\n",
497 array.working_disks);
498 if (array.raid_disks) {
499 printf(" Failed Devices : %d\n", array.failed_disks);
500 printf(" Spare Devices : %d\n", array.spare_disks);
501 }
502 printf("\n");
503 if (array.level == 5) {
504 str = map_num(r5layout, array.layout);
505 printf(" Layout : %s\n",
506 str ? str : "-unknown-");
507 }
508 if (array.level == 6) {
509 str = map_num(r6layout, array.layout);
510 printf(" Layout : %s\n",
511 str ? str : "-unknown-");
512 }
513 if (array.level == 10) {
514 printf(" Layout :");
515 print_r10_layout(array.layout);
516 printf("\n");
517 }
518 switch (array.level) {
519 case 0:
520 case 4:
521 case 5:
522 case 10:
523 case 6:
524 if (array.chunk_size)
525 printf(" Chunk Size : %dK\n\n",
526 array.chunk_size/1024);
527 break;
528 case -1:
529 printf(" Rounding : %dK\n\n",
530 array.chunk_size/1024);
531 break;
532 default:
533 break;
534 }
535
536 if (array.raid_disks) {
537 struct mdinfo *mdi;
538
539 mdi = sysfs_read(fd, NULL, GET_CONSISTENCY_POLICY);
540 if (mdi) {
541 char *policy = map_num(consistency_policies,
542 mdi->consistency_policy);
543 sysfs_free(mdi);
544 if (policy)
545 printf("Consistency Policy : %s\n\n",
546 policy);
547 }
548 }
549
550 if (e && e->percent >= 0) {
551 static char *sync_action[] = {
552 "Rebuild", "Resync", "Reshape", "Check"};
553 printf(" %7s Status : %d%% complete\n",
554 sync_action[e->resync], e->percent);
555 }
556 free_mdstat(ms);
557
558 if ((st && st->sb) && (info && info->reshape_active)) {
559 #if 0
560 This is pretty boring
561 printf(" Reshape pos'n : %llu%s\n",
562 (unsigned long long) info->reshape_progress << 9,
563 human_size((unsigned long long)
564 info->reshape_progress << 9));
565 #endif
566 if (info->delta_disks != 0)
567 printf(" Delta Devices : %d, (%d->%d)\n",
568 info->delta_disks,
569 array.raid_disks - info->delta_disks,
570 array.raid_disks);
571 if (info->new_level != array.level) {
572 str = map_num(pers, info->new_level);
573 printf(" New Level : %s\n",
574 str ? str : "-unknown-");
575 }
576 if (info->new_level != array.level ||
577 info->new_layout != array.layout) {
578 if (info->new_level == 5) {
579 str = map_num(r5layout,
580 info->new_layout);
581 printf(" New Layout : %s\n",
582 str ? str : "-unknown-");
583 }
584 if (info->new_level == 6) {
585 str = map_num(r6layout,
586 info->new_layout);
587 printf(" New Layout : %s\n",
588 str ? str : "-unknown-");
589 }
590 if (info->new_level == 10) {
591 printf(" New Layout : near=%d, %s=%d\n",
592 info->new_layout & 255,
593 (info->new_layout & 0x10000) ?
594 "offset" : "far",
595 (info->new_layout >> 8) & 255);
596 }
597 }
598 if (info->new_chunk != array.chunk_size)
599 printf(" New Chunksize : %dK\n",
600 info->new_chunk/1024);
601 printf("\n");
602 } else if (e && e->percent >= 0)
603 printf("\n");
604 if (st && st->sb)
605 st->ss->detail_super(st, c->homehost);
606
607 if (array.raid_disks == 0 && sra &&
608 sra->array.major_version == -1 &&
609 sra->array.minor_version == -2 &&
610 sra->text_version[0] != '/') {
611 /* This looks like a container. Find any active arrays
612 * That claim to be a member.
613 */
614 DIR *dir = opendir("/sys/block");
615 struct dirent *de;
616
617 printf(" Member Arrays :");
618
619 while (dir && (de = readdir(dir)) != NULL) {
620 char path[287];
621 char vbuf[1024];
622 int nlen = strlen(sra->sys_name);
623 dev_t devid;
624 if (de->d_name[0] == '.')
625 continue;
626 sprintf(path,
627 "/sys/block/%s/md/metadata_version",
628 de->d_name);
629 if (load_sys(path, vbuf, sizeof(vbuf)) < 0)
630 continue;
631 if (strncmp(vbuf, "external:", 9) ||
632 !is_subarray(vbuf + 9) ||
633 strncmp(vbuf + 10, sra->sys_name, nlen) ||
634 vbuf[10 + nlen] != '/')
635 continue;
636 devid = devnm2devid(de->d_name);
637 printf(" %s",
638 map_dev_preferred(major(devid),
639 minor(devid), 1,
640 c->prefer));
641 }
642 if (dir)
643 closedir(dir);
644 printf("\n\n");
645 }
646
647 if (array.raid_disks)
648 printf(" Number Major Minor RaidDevice State\n");
649 else
650 printf(" Number Major Minor RaidDevice\n");
651 }
652 free(info);
653
654 for (d = 0; d < max_disks * 2; d++) {
655 char *dv;
656 mdu_disk_info_t disk = disks[d];
657
658 if (d >= array.raid_disks * 2 &&
659 disk.major == 0 && disk.minor == 0)
660 continue;
661 if ((d & 1) && disk.major == 0 && disk.minor == 0)
662 continue;
663 if (!c->brief) {
664 if (d == array.raid_disks*2)
665 printf("\n");
666 if (disk.number < 0 && disk.raid_disk < 0)
667 printf(" - %5d %5d - ",
668 disk.major, disk.minor);
669 else if (disk.raid_disk < 0 ||
670 disk.state & (1 << MD_DISK_JOURNAL))
671 printf(" %5d %5d %5d - ",
672 disk.number, disk.major, disk.minor);
673 else if (disk.number < 0)
674 printf(" - %5d %5d %5d ",
675 disk.major, disk.minor, disk.raid_disk);
676 else
677 printf(" %5d %5d %5d %5d ",
678 disk.number, disk.major, disk.minor,
679 disk.raid_disk);
680 }
681 if (!c->brief && array.raid_disks) {
682 if (disk.state & (1 << MD_DISK_FAULTY)) {
683 printf(" faulty");
684 if (disk.raid_disk < array.raid_disks &&
685 disk.raid_disk >= 0)
686 failed++;
687 }
688 if (disk.state & (1 << MD_DISK_ACTIVE))
689 printf(" active");
690 if (disk.state & (1 << MD_DISK_SYNC)) {
691 printf(" sync");
692 if (array.level == 10 &&
693 (array.layout & ~0x1FFFF) == 0) {
694 int nc = array.layout & 0xff;
695 int fc = (array.layout >> 8) & 0xff;
696 int copies = nc*fc;
697 if (fc == 1 &&
698 array.raid_disks % copies == 0 &&
699 copies <= 26) {
700 /* We can divide the devices
701 into 'sets' */
702 int set;
703 set = disk.raid_disk % copies;
704 printf(" set-%c", set + 'A');
705 }
706 }
707 }
708 if (disk.state & (1 << MD_DISK_REMOVED))
709 printf(" removed");
710 if (disk.state & (1 << MD_DISK_WRITEMOSTLY))
711 printf(" writemostly");
712 if (disk.state & (1 << MD_DISK_FAILFAST))
713 printf(" failfast");
714 if (disk.state & (1 << MD_DISK_JOURNAL))
715 printf(" journal");
716 if ((disk.state &
717 ((1 << MD_DISK_ACTIVE) | (1 << MD_DISK_SYNC) |
718 (1 << MD_DISK_REMOVED) | (1 << MD_DISK_FAULTY) |
719 (1 << MD_DISK_JOURNAL))) == 0) {
720 printf(" spare");
721 if (disk.raid_disk < array.raid_disks &&
722 disk.raid_disk >= 0)
723 printf(" rebuilding");
724 }
725 }
726 if (disk.state == 0)
727 spares++;
728 dv = map_dev_preferred(disk.major, disk.minor, 0, c->prefer);
729 if (dv != NULL) {
730 if (c->brief)
731 n_devices = add_device(dv, &devices,
732 &max_devices, n_devices);
733 else
734 printf(" %s", dv);
735 }
736 if (!c->brief)
737 printf("\n");
738 }
739 if (spares && c->brief && array.raid_disks)
740 printf(" spares=%d", spares);
741 if (c->brief && st && st->sb)
742 st->ss->brief_detail_super(st);
743 if (st)
744 st->ss->free_super(st);
745
746 if (c->brief && c->verbose > 0 && devices) {
747 qsort(devices, n_devices, sizeof(*devices), cmpstringp);
748 printf("\n devices=%s", devices[0]);
749 for (d = 1; d < n_devices; d++)
750 printf(",%s", devices[d]);
751 }
752 if (c->brief)
753 printf("\n");
754 if (c->test &&
755 !enough(array.level, array.raid_disks, array.layout, 1, avail))
756 rv = 2;
757
758 free(disks);
759 out:
760 close(fd);
761 free(subarray);
762 free(avail);
763 for (d = 0; d < n_devices; d++)
764 free(devices[d]);
765 free(devices);
766 sysfs_free(sra);
767 return rv;
768 }
769
770 int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path)
771 {
772 /* display platform capabilities for the given metadata format
773 * 'scan' in this context means iterate over all metadata types
774 */
775 int i;
776 int err = 1;
777
778 if (ss && export && ss->export_detail_platform)
779 err = ss->export_detail_platform(verbose, controller_path);
780 else if (ss && ss->detail_platform)
781 err = ss->detail_platform(verbose, 0, controller_path);
782 else if (ss) {
783 if (verbose > 0)
784 pr_err("%s metadata is platform independent\n",
785 ss->name ? : "[no name]");
786 } else if (!scan) {
787 if (verbose > 0)
788 pr_err("specify a metadata type or --scan\n");
789 }
790
791 if (!scan)
792 return err;
793
794 err = 0;
795 for (i = 0; superlist[i]; i++) {
796 struct superswitch *meta = superlist[i];
797
798 if (meta == ss)
799 continue;
800 if (verbose > 0)
801 pr_err("checking metadata %s\n",
802 meta->name ? : "[no name]");
803 if (!meta->detail_platform) {
804 if (verbose > 0)
805 pr_err("%s metadata is platform independent\n",
806 meta->name ? : "[no name]");
807 } else if (export && meta->export_detail_platform) {
808 err |= meta->export_detail_platform(verbose, controller_path);
809 } else
810 err |= meta->detail_platform(verbose, 0, controller_path);
811 }
812
813 return err;
814 }
Unnamed repository; edit this file 'description' to name the repository.