mdadm-1.3.0
[thirdparty/mdadm.git] / mdadm.c
CommitLineData
64c4757e 1/*
9a9dab36 2 * mdadm - manage Linux "md" devices aka RAID arrays.
64c4757e 3 *
cd29a5c8 4 * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
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
22 * Email: <neilb@cse.unsw.edu.au>
23 * Paper: Neil Brown
24 * School of Computer Science and Engineering
25 * The University of New South Wales
26 * Sydney, 2052
27 * Australia
28 */
29
9a9dab36 30#include "mdadm.h"
64c4757e
NB
31#include "md_p.h"
32
52826846 33int open_mddev(char *dev)
64c4757e 34{
52826846
NB
35 int mdfd = open(dev, O_RDWR, 0);
36 if (mdfd < 0)
e0d19036 37 fprintf(stderr, Name ": error opening %s: %s\n",
52826846
NB
38 dev, strerror(errno));
39 else if (md_get_version(mdfd) <= 0) {
40 fprintf(stderr, Name ": %s does not appear to be an md device\n",
41 dev);
42 close(mdfd);
43 mdfd = -1;
64c4757e 44 }
52826846
NB
45 return mdfd;
46}
64c4757e 47
64c4757e 48
52826846
NB
49
50int main(int argc, char *argv[])
51{
e0d19036 52 int mode = 0;
52826846 53 int opt;
e0d19036 54 int option_index;
52826846
NB
55 char *help_text;
56 char *c;
57 int rv;
52826846
NB
58
59 int chunk = 0;
60 int size = 0;
61 int level = -10;
62 int layout = -1;
63 int raiddisks = 0;
64 int sparedisks = 0;
65 struct mddev_ident_s ident;
66 char *configfile = NULL;
cd29a5c8 67 char *cp;
5787fa49 68 char *update = NULL;
52826846
NB
69 int scan = 0;
70 char devmode = 0;
71 int runstop = 0;
72 int readonly = 0;
bd526cee 73 int SparcAdjust = 0;
cd29a5c8
NB
74 mddev_dev_t devlist = NULL;
75 mddev_dev_t *devlistend = & devlist;
76 mddev_dev_t dv;
52826846
NB
77 int devs_found = 0;
78 int verbose = 0;
cd29a5c8 79 int brief = 0;
52826846
NB
80 int force = 0;
81
82 char *mailaddr = NULL;
83 char *program = NULL;
84 int delay = 0;
d013a55e 85 int daemonise = 0;
aa88f531 86 int oneshot = 0;
52826846
NB
87
88 int mdfd = -1;
89
90 ident.uuid_set=0;
cd29a5c8
NB
91 ident.level = -10;
92 ident.raid_disks = -1;
52826846
NB
93 ident.super_minor= -1;
94 ident.devices=0;
95
e0d19036
NB
96 while ((option_index = -1) ,
97 (opt=getopt_long(argc, argv,
52826846 98 short_options, long_options,
e0d19036
NB
99 &option_index)) != -1) {
100 int newmode = mode;
101 /* firstly, so mode-independant options */
52826846 102 switch(opt) {
52826846
NB
103 case 'h':
104 help_text = Help;
56eedc1a
NB
105 if (option_index > 0 &&
106 strcmp(long_options[option_index].name, "help-options")==0)
107 help_text = OptionHelp;
108 else
109 switch (mode) {
110 case ASSEMBLE : help_text = Help_assemble; break;
111 case BUILD : help_text = Help_build; break;
112 case CREATE : help_text = Help_create; break;
113 case MANAGE : help_text = Help_manage; break;
114 case MISC : help_text = Help_misc; break;
115 case MONITOR : help_text = Help_monitor; break;
116 }
52826846
NB
117 fputs(help_text,stderr);
118 exit(0);
119
120 case 'V':
121 fputs(Version, stderr);
122 exit(0);
123
124 case 'v': verbose = 1;
125 continue;
126
cd29a5c8
NB
127 case 'b': brief = 1;
128 continue;
129
e0d19036
NB
130 case ':':
131 case '?':
132 fputs(Usage, stderr);
133 exit(2);
134 }
135 /* second, figure out the mode.
136 * Some options force the mode. Others
137 * set the mode if it isn't already
138 */
139
140 switch(opt) {
141 case '@': /* just incase they say --manage */
142 newmode = MANAGE; break;
143 case 'a':
144 case 'r':
145 case 'f':
146 case 1 : if (!mode) newmode = MANAGE; break;
147
148 case 'A': newmode = ASSEMBLE; break;
149 case 'B': newmode = BUILD; break;
150 case 'C': newmode = CREATE; break;
151 case 'F': newmode = MONITOR;break;
152
153 case '#':
154 case 'D':
155 case 'E':
156 case 'Q': newmode = MISC; break;
157 case 'R':
158 case 'S':
159 case 'o':
160 case 'w':
161 case 'K': if (!mode) newmode = MISC; break;
162 }
163 if (mode && newmode == mode) {
164 /* everybody happy ! */
165 } else if (mode && newmode != mode) {
166 /* not allowed.. */
167 fprintf(stderr, Name ": ");
168 if (option_index >= 0)
169 fprintf(stderr, "--%s", long_options[option_index].name);
170 else
171 fprintf(stderr, "-%c", opt);
172 fprintf(stderr, " would set mode to %s, but it is already %s.\n",
173 map_num(modes, newmode),
174 map_num(modes, mode));
175 exit(2);
176 } else if (!mode && newmode) {
177 mode = newmode;
178 } else {
179 /* special case of -c --help */
180 if (opt == 'c' &&
181 ( strncmp(optarg, "--h", 3)==0 ||
182 strncmp(optarg, "-h", 2)==0)) {
183 fputs(Help_config, stderr);
184 exit(0);
cd29a5c8 185 }
e0d19036
NB
186 if (option_index >= 0)
187 fprintf(stderr, "--%s", long_options[option_index].name);
188 else
189 fprintf(stderr, "-%c", opt);
190 fprintf(stderr, " does not set the mode, and so cannot be first.\n");
191 exit(2);
192 }
193
194 /* if we just set the mode, then done */
195 switch(opt) {
196 case '@':
197 case '#':
198 case 'A':
199 case 'B':
200 case 'C':
201 case 'F':
202 continue;
203 }
204 if (opt == 1) {
205 /* an undecorated option - must be a device name.
206 */
cd29a5c8
NB
207 if (devs_found > 0 && mode == '@' && !devmode) {
208 fprintf(stderr, Name ": Must give on of -a/-r/-f for subsequent devices at %s\n", optarg);
52826846
NB
209 exit(2);
210 }
cd29a5c8
NB
211 dv = malloc(sizeof(*dv));
212 if (dv == NULL) {
213 fprintf(stderr, Name ": malloc failed\n");
214 exit(3);
215 }
216 dv->devname = optarg;
217 dv->disposition = devmode;
218 dv->next = NULL;
219 *devlistend = dv;
220 devlistend = &dv->next;
221
52826846
NB
222 devs_found++;
223 continue;
682c7051 224 }
682c7051 225
52826846
NB
226 /* We've got a mode, and opt is now something else which
227 * could depend on the mode */
228#define O(a,b) ((a<<8)|b)
229 switch (O(mode,opt)) {
e0d19036
NB
230 case O(CREATE,'c'):
231 case O(BUILD,'c'): /* chunk or rounding */
52826846
NB
232 if (chunk) {
233 fprintf(stderr, Name ": chunk/rounding may only be specified once. "
234 "Second value is %s.\n", optarg);
235 exit(2);
236 }
237 chunk = strtol(optarg, &c, 10);
238 if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) {
239 fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
240 optarg);
241 exit(2);
242 }
243 continue;
64c4757e 244
e0d19036 245 case O(CREATE,'z'): /* size */
52826846
NB
246 if (size) {
247 fprintf(stderr, Name ": size may only be specified once. "
248 "Second value is %s.\n", optarg);
249 exit(2);
250 }
251 size = strtol(optarg, &c, 10);
252 if (!optarg[0] || *c || size < 4) {
253 fprintf(stderr, Name ": invalid size: %s\n",
254 optarg);
255 exit(2);
256 }
257 continue;
64c4757e 258
e0d19036
NB
259 case O(CREATE,'l'):
260 case O(BUILD,'l'): /* set raid level*/
52826846
NB
261 if (level != -10) {
262 fprintf(stderr, Name ": raid level may only be set once. "
263 "Second value is %s.\n", optarg);
264 exit(2);
265 }
266 level = map_name(pers, optarg);
267 if (level == -10) {
268 fprintf(stderr, Name ": invalid raid level: %s\n",
269 optarg);
270 exit(2);
271 }
e0d19036 272 if (level != 0 && level != -1 && mode == BUILD) {
52826846
NB
273 fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
274 optarg);
275 exit(2);
276 }
e0d19036 277 if (sparedisks > 0 && level < 1 && level >= -1) {
b83d95f3 278 fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n",
52826846
NB
279 optarg);
280 exit(2);
281 }
cd29a5c8 282 ident.level = level;
52826846 283 continue;
64c4757e 284
e0d19036 285 case O(CREATE,'p'): /* raid5 layout */
52826846
NB
286 if (layout >= 0) {
287 fprintf(stderr,Name ": layout may only be sent once. "
288 "Second value was %s\n", optarg);
289 exit(2);
290 }
291 switch(level) {
292 default:
56eb10c0 293 fprintf(stderr, Name ": layout not meaningful for %s arrays.\n",
52826846
NB
294 map_num(pers, level));
295 exit(2);
296 case -10:
297 fprintf(stderr, Name ": raid level must be given before layout.\n");
298 exit(2);
299
300 case 5:
301 layout = map_name(r5layout, optarg);
302 if (layout==-10) {
303 fprintf(stderr, Name ": layout %s not understood for raid5.\n",
304 optarg);
305 exit(2);
306 }
307 break;
308 }
309 continue;
310
e0d19036
NB
311 case O(CREATE,'n'):
312 case O(BUILD,'n'): /* number of raid disks */
52826846 313 if (raiddisks) {
b83d95f3 314 fprintf(stderr, Name ": raid-devices set twice: %d and %s\n",
52826846
NB
315 raiddisks, optarg);
316 exit(2);
317 }
318 raiddisks = strtol(optarg, &c, 10);
319 if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) {
b83d95f3 320 fprintf(stderr, Name ": invalid number of raid devices: %s\n",
52826846
NB
321 optarg);
322 exit(2);
323 }
aa88f531
NB
324 if (raiddisks == 1 && !force) {
325 fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n"
326 " a mistake. If you really mean it you will need to specify --force before\n"
327 " setting the number of drives.\n");
328 exit(2);
329 }
cd29a5c8 330 ident.raid_disks = raiddisks;
52826846
NB
331 continue;
332
e0d19036 333 case O(CREATE,'x'): /* number of spare (eXtra) discs */
52826846 334 if (sparedisks) {
b83d95f3 335 fprintf(stderr,Name ": spare-devices set twice: %d and %s\n",
52826846
NB
336 sparedisks, optarg);
337 exit(2);
338 }
e0d19036 339 if (level > -10 && level <= 0 && level >= -1) {
b83d95f3 340 fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n",
52826846
NB
341 level);
342 exit(2);
343 }
344 sparedisks = strtol(optarg, &c, 10);
345 if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) {
b83d95f3 346 fprintf(stderr, Name ": invalid number of spare-devices: %s\n",
52826846
NB
347 optarg);
348 exit(2);
349 }
350 continue;
aa88f531 351 case O(BUILD,'f'): /* force honouring '-n 1' */
e0d19036
NB
352 case O(CREATE,'f'): /* force honouring of device list */
353 case O(ASSEMBLE,'f'): /* force assembly */
354 case O(MISC,'f'): /* force zero */
52826846
NB
355 force=1;
356 continue;
357
358 /* now for the Assemble options */
e0d19036 359 case O(ASSEMBLE,'u'): /* uuid of array */
52826846 360 if (ident.uuid_set) {
cd29a5c8 361 fprintf(stderr, Name ": uuid cannot be set twice. "
52826846
NB
362 "Second value %s.\n", optarg);
363 exit(2);
364 }
365 if (parse_uuid(optarg, ident.uuid))
366 ident.uuid_set = 1;
367 else {
368 fprintf(stderr,Name ": Bad uuid: %s\n", optarg);
369 exit(2);
370 }
371 continue;
372
e0d19036 373 case O(ASSEMBLE,'m'): /* super-minor for array */
d013a55e 374 if (ident.super_minor != -1) {
cd29a5c8
NB
375 fprintf(stderr, Name ": super-minor cannot be set twice. "
376 "Second value: %s.\n", optarg);
377 exit(2);
378 }
d013a55e
NB
379 if (strcmp(optarg, "dev")==0)
380 ident.super_minor = -2;
381 else {
382 ident.super_minor = strtoul(optarg, &cp, 10);
383 if (!optarg[0] || *cp) {
384 fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg);
385 exit(2);
386 }
cd29a5c8
NB
387 }
388 continue;
389
5787fa49
NB
390 case O(ASSEMBLE,'U'): /* update the superblock */
391 if (update) {
392 fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n",
393 update, optarg);
394 exit(2);
395 }
396 update = optarg;
397 if (strcmp(update, "sparc2.2")==0) continue;
398 if (strcmp(update, "super-minor") == 0)
399 continue;
400 fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2' or 'super-minor' supported\n",update);
401 exit(2);
402
e0d19036 403 case O(ASSEMBLE,'c'): /* config file */
2d465520 404 case O(MISC, 'c'):
e0d19036 405 case O(MONITOR,'c'):
52826846
NB
406 if (configfile) {
407 fprintf(stderr, Name ": configfile cannot be set twice. "
408 "Second value is %s.\n", optarg);
409 exit(2);
410 }
411 configfile = optarg;
412 /* FIXME possibly check that config file exists. Even parse it */
413 continue;
e0d19036
NB
414 case O(ASSEMBLE,'s'): /* scan */
415 case O(MISC,'s'):
416 case O(MONITOR,'s'):
52826846
NB
417 scan = 1;
418 continue;
419
e0d19036 420 case O(MONITOR,'m'): /* mail address */
52826846
NB
421 if (mailaddr)
422 fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n",
423 optarg);
424 else
425 mailaddr = optarg;
426 continue;
427
e0d19036 428 case O(MONITOR,'p'): /* alert program */
52826846
NB
429 if (program)
430 fprintf(stderr, Name ": only specify one alter program. %s ignored.\n",
431 optarg);
432 else
433 program = optarg;
434 continue;
64c4757e 435
e0d19036 436 case O(MONITOR,'d'): /* delay in seconds */
52826846
NB
437 if (delay)
438 fprintf(stderr, Name ": only specify delay once. %s ignored.\n",
439 optarg);
440 else {
441 delay = strtol(optarg, &c, 10);
442 if (!optarg[0] || *c || delay<1) {
443 fprintf(stderr, Name ": invalid delay: %s\n",
444 optarg);
445 exit(2);
446 }
447 }
448 continue;
d013a55e
NB
449 case O(MONITOR,'f'): /* daemonise */
450 daemonise = 1;
451 continue;
aa88f531
NB
452 case O(MONITOR,'1'): /* oneshot */
453 oneshot = 1;
454 continue;
52826846
NB
455
456 /* now the general management options. Some are applicable
457 * to other modes. None have arguments.
458 */
e0d19036
NB
459 case O(MANAGE,'a'):
460 case O(CREATE,'a'):
461 case O(BUILD,'a'):
462 case O(ASSEMBLE,'a'): /* add a drive */
52826846
NB
463 devmode = 'a';
464 continue;
e0d19036 465 case O(MANAGE,'r'): /* remove a drive */
52826846
NB
466 devmode = 'r';
467 continue;
e0d19036 468 case O(MANAGE,'f'): /* set faulty */
52826846
NB
469 devmode = 'f';
470 continue;
e0d19036
NB
471 case O(MANAGE,'R'):
472 case O(ASSEMBLE,'R'):
473 case O(BUILD,'R'):
474 case O(CREATE,'R'): /* Run the array */
52826846
NB
475 if (runstop < 0) {
476 fprintf(stderr, Name ": Cannot both Stop and Run an array\n");
477 exit(2);
478 }
479 runstop = 1;
480 continue;
e0d19036 481 case O(MANAGE,'S'):
52826846
NB
482 if (runstop > 0) {
483 fprintf(stderr, Name ": Cannot both Run and Stop an array\n");
484 exit(2);
485 }
486 runstop = -1;
487 continue;
488
e0d19036 489 case O(MANAGE,'o'):
52826846
NB
490 if (readonly < 0) {
491 fprintf(stderr, Name ": Cannot have both readonly and readwrite\n");
492 exit(2);
493 }
494 readonly = 1;
495 continue;
e0d19036 496 case O(MANAGE,'w'):
52826846 497 if (readonly > 0) {
e0d19036 498 fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n");
52826846
NB
499 exit(2);
500 }
501 readonly = -1;
502 continue;
e0d19036
NB
503
504 case O(MISC,'Q'):
505 case O(MISC,'D'):
506 case O(MISC,'E'):
507 case O(MISC,'K'):
508 case O(MISC,'R'):
509 case O(MISC,'S'):
510 case O(MISC,'o'):
511 case O(MISC,'w'):
512 if (devmode && devmode != opt &&
513 (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
514 fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
515 devmode =='E'?opt:devmode);
516 exit(2);
517 }
518 devmode = opt;
519 continue;
520
bd526cee
NB
521 case O(MISC, 22):
522 if (devmode != 'E') {
523 fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n");
524 exit(2);
525 }
526 SparcAdjust = 1;
527 continue;
52826846
NB
528 }
529 /* We have now processed all the valid options. Anything else is
530 * an error
531 */
e0d19036
NB
532 fprintf(stderr, Name ": option %c not valid in %s mode\n",
533 opt, map_num(modes, mode));
64c4757e 534 exit(2);
52826846
NB
535
536 }
537
538 if (!mode) {
539 fputs(Usage, stderr);
64c4757e 540 exit(2);
64c4757e 541 }
52826846
NB
542 /* Ok, got the option parsing out of the way
543 * hopefully it's mostly right but there might be some stuff
544 * missing
545 *
e0d19036 546 * That is mosty checked in the per-mode stuff but...
52826846
NB
547 *
548 * For @,B,C and A without -s, the first device listed must be an md device
549 * we check that here and open it.
64c4757e 550 */
52826846 551
e0d19036 552 if (mode==MANAGE || mode == BUILD || mode == CREATE || (mode == ASSEMBLE && ! scan)) {
52826846
NB
553 if (devs_found < 1) {
554 fprintf(stderr, Name ": an md device must be given in this mode\n");
555 exit(2);
556 }
cd29a5c8 557 mdfd = open_mddev(devlist->devname);
52826846
NB
558 if (mdfd < 0)
559 exit(1);
d013a55e
NB
560 if (ident.super_minor == -2) {
561 struct stat stb;
562 fstat(mdfd, &stb);
563 ident.super_minor = MINOR(stb.st_rdev);
564 }
64c4757e 565 }
52826846 566
52826846
NB
567 rv = 0;
568 switch(mode) {
e0d19036 569 case MANAGE:
52826846
NB
570 /* readonly, add/remove, readwrite, runstop */
571 if (readonly>0)
cd29a5c8 572 rv = Manage_ro(devlist->devname, mdfd, readonly);
52826846 573 if (!rv && devs_found>1)
cd29a5c8
NB
574 rv = Manage_subdevs(devlist->devname, mdfd,
575 devlist->next);
52826846 576 if (!rv && readonly < 0)
cd29a5c8 577 rv = Manage_ro(devlist->devname, mdfd, readonly);
52826846 578 if (!rv && runstop)
cd29a5c8 579 rv = Manage_runstop(devlist->devname, mdfd, runstop);
52826846 580 break;
e0d19036 581 case ASSEMBLE:
d013a55e
NB
582 if (devs_found == 1 && ident.uuid_set == 0 &&
583 ident.super_minor == -1 && !scan ) {
584 /* Only a device has been given, so get details from config file */
585 mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
586 mdfd = open_mddev(devlist->devname);
587 if (mdfd < 0)
588 rv |= 1;
589 else {
590 if (array_ident == NULL) {
591 fprintf(stderr, Name ": %s not identified in config file.\n",
592 devlist->devname);
593 rv |= 1;
594 }
595 else
596 rv |= Assemble(devlist->devname, mdfd, array_ident, configfile,
597 NULL,
598 readonly, runstop, update, verbose, force);
599 }
600 } else if (!scan)
cd29a5c8
NB
601 rv = Assemble(devlist->devname, mdfd, &ident, configfile,
602 devlist->next,
5787fa49
NB
603 readonly, runstop, update, verbose, force);
604 else if (devs_found>0) {
605 if (update && devs_found > 1) {
606 fprintf(stderr, Name ": can only update a single array at a time\n");
607 exit(1);
608 }
cd29a5c8
NB
609 for (dv = devlist ; dv ; dv=dv->next) {
610 mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
611 mdfd = open_mddev(dv->devname);
52826846
NB
612 if (mdfd < 0) {
613 rv |= 1;
614 continue;
615 }
616 if (array_ident == NULL) {
617 fprintf(stderr, Name ": %s not identified in config file.\n",
cd29a5c8 618 dv->devname);
52826846
NB
619 rv |= 1;
620 continue;
621 }
cd29a5c8
NB
622 rv |= Assemble(dv->devname, mdfd, array_ident, configfile,
623 NULL,
5787fa49 624 readonly, runstop, update, verbose, force);
52826846 625 }
5787fa49 626 } else {
52826846
NB
627 mddev_ident_t array_list = conf_get_ident(configfile, NULL);
628 if (!array_list) {
629 fprintf(stderr, Name ": No arrays found in config file\n");
630 rv = 1;
631 } else
632 for (; array_list; array_list = array_list->next) {
cd29a5c8 633 mdu_array_info_t array;
52826846
NB
634 mdfd = open_mddev(array_list->devname);
635 if (mdfd < 0) {
636 rv |= 1;
637 continue;
638 }
cd29a5c8
NB
639 if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
640 /* already assembled, skip */
641 continue;
52826846
NB
642 rv |= Assemble(array_list->devname, mdfd,
643 array_list, configfile,
cd29a5c8 644 NULL,
5787fa49 645 readonly, runstop, NULL, verbose, force);
52826846
NB
646 }
647 }
648 break;
e0d19036 649 case BUILD:
cd29a5c8 650 rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next);
52826846 651 break;
e0d19036 652 case CREATE:
cd29a5c8 653 rv = Create(devlist->devname, mdfd, chunk, level, layout, size,
52826846 654 raiddisks, sparedisks,
cd29a5c8 655 devs_found-1, devlist->next, runstop, verbose, force);
52826846 656 break;
e0d19036
NB
657 case MISC:
658
659 if (devmode == 'E') {
660 if (devlist == NULL && !scan) {
661 fprintf(stderr, Name ": No devices to examine\n");
662 exit(2);
663 }
664 if (devlist == NULL)
665 devlist = conf_get_devs(configfile);
666 if (devlist == NULL) {
c913b90e 667 fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
e0d19036
NB
668 exit(1);
669 }
bd526cee 670 rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust);
e0d19036
NB
671 } else {
672 if (devlist == NULL) {
673 if ((devmode == 'S' ||devmode=='D') && scan) {
674 /* apply to all devices in /proc/mdstat */
675 struct mdstat_ent *ms = mdstat_read();
676 struct mdstat_ent *e;
677 for (e=ms ; e ; e=e->next) {
678 char *name = get_md_name(e->devnum);
679
680 if (!name) {
681 fprintf(stderr, Name ": cannot find device file for %s\n",
682 e->dev);
683 continue;
684 }
685 if (devmode == 'D')
686 rv |= Detail(name, !verbose);
687 else if (devmode=='S') {
688 mdfd = open_mddev(name);
689 if (mdfd >= 0)
690 rv |= Manage_runstop(name, mdfd, -1);
691 }
692 put_md_name(name);
693 }
694 } else {
695 fprintf(stderr, Name ": No devices given.\n");
696 exit(2);
697 }
698 }
699 for (dv=devlist ; dv; dv=dv->next) {
700 switch(dv->disposition) {
701 case 'D':
702 rv |= Detail(dv->devname, brief); continue;
703 case 'K': /* Zero superblock */
704 rv |= Kill(dv->devname, force); continue;
705 case 'Q':
706 rv |= Query(dv->devname); continue;
707 }
708 mdfd = open_mddev(dv->devname);
709 if (mdfd>=0)
710 switch(dv->disposition) {
711 case 'R':
712 rv |= Manage_runstop(dv->devname, mdfd, 1); break;
713 case 'S':
714 rv |= Manage_runstop(dv->devname, mdfd, -1); break;
715 case 'o':
716 rv |= Manage_ro(dv->devname, mdfd, 1); break;
717 case 'w':
718 rv |= Manage_ro(dv->devname, mdfd, -1); break;
719 }
720 }
cd29a5c8 721 }
9a9dab36 722 break;
e0d19036 723 case MONITOR:
e0d19036
NB
724 if (!devlist && !scan) {
725 fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n");
726 rv = 1;
727 break;
728 }
d013a55e 729 rv= Monitor(devlist, mailaddr, program,
aa88f531 730 delay?delay:60, daemonise, scan, oneshot, configfile);
9a9dab36 731 break;
64c4757e 732 }
52826846 733 exit(rv);
64c4757e 734}