mdadm-1.4.0
[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 80 int force = 0;
feb716e9 81 int test = 0;
52826846
NB
82
83 char *mailaddr = NULL;
84 char *program = NULL;
85 int delay = 0;
d013a55e 86 int daemonise = 0;
aa88f531 87 int oneshot = 0;
52826846
NB
88
89 int mdfd = -1;
90
91 ident.uuid_set=0;
cd29a5c8
NB
92 ident.level = -10;
93 ident.raid_disks = -1;
52826846
NB
94 ident.super_minor= -1;
95 ident.devices=0;
96
e0d19036
NB
97 while ((option_index = -1) ,
98 (opt=getopt_long(argc, argv,
52826846 99 short_options, long_options,
e0d19036
NB
100 &option_index)) != -1) {
101 int newmode = mode;
102 /* firstly, so mode-independant options */
52826846 103 switch(opt) {
52826846
NB
104 case 'h':
105 help_text = Help;
56eedc1a
NB
106 if (option_index > 0 &&
107 strcmp(long_options[option_index].name, "help-options")==0)
108 help_text = OptionHelp;
109 else
110 switch (mode) {
111 case ASSEMBLE : help_text = Help_assemble; break;
112 case BUILD : help_text = Help_build; break;
113 case CREATE : help_text = Help_create; break;
114 case MANAGE : help_text = Help_manage; break;
115 case MISC : help_text = Help_misc; break;
116 case MONITOR : help_text = Help_monitor; break;
117 }
52826846
NB
118 fputs(help_text,stderr);
119 exit(0);
120
121 case 'V':
122 fputs(Version, stderr);
123 exit(0);
124
125 case 'v': verbose = 1;
126 continue;
127
cd29a5c8
NB
128 case 'b': brief = 1;
129 continue;
130
e0d19036
NB
131 case ':':
132 case '?':
133 fputs(Usage, stderr);
134 exit(2);
135 }
136 /* second, figure out the mode.
137 * Some options force the mode. Others
138 * set the mode if it isn't already
139 */
140
141 switch(opt) {
142 case '@': /* just incase they say --manage */
143 newmode = MANAGE; break;
144 case 'a':
145 case 'r':
146 case 'f':
147 case 1 : if (!mode) newmode = MANAGE; break;
148
149 case 'A': newmode = ASSEMBLE; break;
150 case 'B': newmode = BUILD; break;
151 case 'C': newmode = CREATE; break;
152 case 'F': newmode = MONITOR;break;
153
154 case '#':
155 case 'D':
156 case 'E':
157 case 'Q': newmode = MISC; break;
158 case 'R':
159 case 'S':
160 case 'o':
161 case 'w':
162 case 'K': if (!mode) newmode = MISC; break;
163 }
164 if (mode && newmode == mode) {
165 /* everybody happy ! */
166 } else if (mode && newmode != mode) {
167 /* not allowed.. */
168 fprintf(stderr, Name ": ");
169 if (option_index >= 0)
170 fprintf(stderr, "--%s", long_options[option_index].name);
171 else
172 fprintf(stderr, "-%c", opt);
173 fprintf(stderr, " would set mode to %s, but it is already %s.\n",
174 map_num(modes, newmode),
175 map_num(modes, mode));
176 exit(2);
177 } else if (!mode && newmode) {
178 mode = newmode;
179 } else {
180 /* special case of -c --help */
181 if (opt == 'c' &&
182 ( strncmp(optarg, "--h", 3)==0 ||
183 strncmp(optarg, "-h", 2)==0)) {
184 fputs(Help_config, stderr);
185 exit(0);
cd29a5c8 186 }
e0d19036
NB
187 if (option_index >= 0)
188 fprintf(stderr, "--%s", long_options[option_index].name);
189 else
190 fprintf(stderr, "-%c", opt);
191 fprintf(stderr, " does not set the mode, and so cannot be first.\n");
192 exit(2);
193 }
194
195 /* if we just set the mode, then done */
196 switch(opt) {
197 case '@':
198 case '#':
199 case 'A':
200 case 'B':
201 case 'C':
202 case 'F':
203 continue;
204 }
205 if (opt == 1) {
206 /* an undecorated option - must be a device name.
207 */
cd29a5c8
NB
208 if (devs_found > 0 && mode == '@' && !devmode) {
209 fprintf(stderr, Name ": Must give on of -a/-r/-f for subsequent devices at %s\n", optarg);
52826846
NB
210 exit(2);
211 }
cd29a5c8
NB
212 dv = malloc(sizeof(*dv));
213 if (dv == NULL) {
214 fprintf(stderr, Name ": malloc failed\n");
215 exit(3);
216 }
217 dv->devname = optarg;
218 dv->disposition = devmode;
219 dv->next = NULL;
220 *devlistend = dv;
221 devlistend = &dv->next;
222
52826846
NB
223 devs_found++;
224 continue;
682c7051 225 }
682c7051 226
52826846
NB
227 /* We've got a mode, and opt is now something else which
228 * could depend on the mode */
229#define O(a,b) ((a<<8)|b)
230 switch (O(mode,opt)) {
e0d19036
NB
231 case O(CREATE,'c'):
232 case O(BUILD,'c'): /* chunk or rounding */
52826846
NB
233 if (chunk) {
234 fprintf(stderr, Name ": chunk/rounding may only be specified once. "
235 "Second value is %s.\n", optarg);
236 exit(2);
237 }
238 chunk = strtol(optarg, &c, 10);
239 if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) {
240 fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
241 optarg);
242 exit(2);
243 }
244 continue;
64c4757e 245
e0d19036 246 case O(CREATE,'z'): /* size */
52826846
NB
247 if (size) {
248 fprintf(stderr, Name ": size may only be specified once. "
249 "Second value is %s.\n", optarg);
250 exit(2);
251 }
252 size = strtol(optarg, &c, 10);
253 if (!optarg[0] || *c || size < 4) {
254 fprintf(stderr, Name ": invalid size: %s\n",
255 optarg);
256 exit(2);
257 }
258 continue;
64c4757e 259
e0d19036
NB
260 case O(CREATE,'l'):
261 case O(BUILD,'l'): /* set raid level*/
52826846
NB
262 if (level != -10) {
263 fprintf(stderr, Name ": raid level may only be set once. "
264 "Second value is %s.\n", optarg);
265 exit(2);
266 }
267 level = map_name(pers, optarg);
268 if (level == -10) {
269 fprintf(stderr, Name ": invalid raid level: %s\n",
270 optarg);
271 exit(2);
272 }
e0d19036 273 if (level != 0 && level != -1 && mode == BUILD) {
52826846
NB
274 fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
275 optarg);
276 exit(2);
277 }
e0d19036 278 if (sparedisks > 0 && level < 1 && level >= -1) {
b83d95f3 279 fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n",
52826846
NB
280 optarg);
281 exit(2);
282 }
cd29a5c8 283 ident.level = level;
52826846 284 continue;
64c4757e 285
e0d19036 286 case O(CREATE,'p'): /* raid5 layout */
52826846
NB
287 if (layout >= 0) {
288 fprintf(stderr,Name ": layout may only be sent once. "
289 "Second value was %s\n", optarg);
290 exit(2);
291 }
292 switch(level) {
293 default:
56eb10c0 294 fprintf(stderr, Name ": layout not meaningful for %s arrays.\n",
52826846
NB
295 map_num(pers, level));
296 exit(2);
297 case -10:
298 fprintf(stderr, Name ": raid level must be given before layout.\n");
299 exit(2);
300
301 case 5:
302 layout = map_name(r5layout, optarg);
303 if (layout==-10) {
304 fprintf(stderr, Name ": layout %s not understood for raid5.\n",
305 optarg);
306 exit(2);
307 }
308 break;
309 }
310 continue;
311
e0d19036
NB
312 case O(CREATE,'n'):
313 case O(BUILD,'n'): /* number of raid disks */
52826846 314 if (raiddisks) {
b83d95f3 315 fprintf(stderr, Name ": raid-devices set twice: %d and %s\n",
52826846
NB
316 raiddisks, optarg);
317 exit(2);
318 }
319 raiddisks = strtol(optarg, &c, 10);
320 if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) {
b83d95f3 321 fprintf(stderr, Name ": invalid number of raid devices: %s\n",
52826846
NB
322 optarg);
323 exit(2);
324 }
aa88f531
NB
325 if (raiddisks == 1 && !force) {
326 fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n"
327 " a mistake. If you really mean it you will need to specify --force before\n"
328 " setting the number of drives.\n");
329 exit(2);
330 }
cd29a5c8 331 ident.raid_disks = raiddisks;
52826846
NB
332 continue;
333
e0d19036 334 case O(CREATE,'x'): /* number of spare (eXtra) discs */
52826846 335 if (sparedisks) {
b83d95f3 336 fprintf(stderr,Name ": spare-devices set twice: %d and %s\n",
52826846
NB
337 sparedisks, optarg);
338 exit(2);
339 }
e0d19036 340 if (level > -10 && level <= 0 && level >= -1) {
b83d95f3 341 fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n",
52826846
NB
342 level);
343 exit(2);
344 }
345 sparedisks = strtol(optarg, &c, 10);
346 if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) {
b83d95f3 347 fprintf(stderr, Name ": invalid number of spare-devices: %s\n",
52826846
NB
348 optarg);
349 exit(2);
350 }
351 continue;
aa88f531 352 case O(BUILD,'f'): /* force honouring '-n 1' */
e0d19036
NB
353 case O(CREATE,'f'): /* force honouring of device list */
354 case O(ASSEMBLE,'f'): /* force assembly */
355 case O(MISC,'f'): /* force zero */
52826846
NB
356 force=1;
357 continue;
358
359 /* now for the Assemble options */
e0d19036 360 case O(ASSEMBLE,'u'): /* uuid of array */
52826846 361 if (ident.uuid_set) {
cd29a5c8 362 fprintf(stderr, Name ": uuid cannot be set twice. "
52826846
NB
363 "Second value %s.\n", optarg);
364 exit(2);
365 }
366 if (parse_uuid(optarg, ident.uuid))
367 ident.uuid_set = 1;
368 else {
369 fprintf(stderr,Name ": Bad uuid: %s\n", optarg);
370 exit(2);
371 }
372 continue;
373
e0d19036 374 case O(ASSEMBLE,'m'): /* super-minor for array */
d013a55e 375 if (ident.super_minor != -1) {
cd29a5c8
NB
376 fprintf(stderr, Name ": super-minor cannot be set twice. "
377 "Second value: %s.\n", optarg);
378 exit(2);
379 }
d013a55e
NB
380 if (strcmp(optarg, "dev")==0)
381 ident.super_minor = -2;
382 else {
383 ident.super_minor = strtoul(optarg, &cp, 10);
384 if (!optarg[0] || *cp) {
385 fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg);
386 exit(2);
387 }
cd29a5c8
NB
388 }
389 continue;
390
5787fa49
NB
391 case O(ASSEMBLE,'U'): /* update the superblock */
392 if (update) {
393 fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n",
394 update, optarg);
395 exit(2);
396 }
397 update = optarg;
398 if (strcmp(update, "sparc2.2")==0) continue;
399 if (strcmp(update, "super-minor") == 0)
400 continue;
feb716e9
NB
401 if (strcmp(update, "summaries")==0)
402 continue;
403 fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor' or 'summaries' supported\n",update);
5787fa49
NB
404 exit(2);
405
e0d19036 406 case O(ASSEMBLE,'c'): /* config file */
2d465520 407 case O(MISC, 'c'):
e0d19036 408 case O(MONITOR,'c'):
52826846
NB
409 if (configfile) {
410 fprintf(stderr, Name ": configfile cannot be set twice. "
411 "Second value is %s.\n", optarg);
412 exit(2);
413 }
414 configfile = optarg;
415 /* FIXME possibly check that config file exists. Even parse it */
416 continue;
e0d19036
NB
417 case O(ASSEMBLE,'s'): /* scan */
418 case O(MISC,'s'):
419 case O(MONITOR,'s'):
52826846
NB
420 scan = 1;
421 continue;
422
e0d19036 423 case O(MONITOR,'m'): /* mail address */
52826846
NB
424 if (mailaddr)
425 fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n",
426 optarg);
427 else
428 mailaddr = optarg;
429 continue;
430
e0d19036 431 case O(MONITOR,'p'): /* alert program */
52826846
NB
432 if (program)
433 fprintf(stderr, Name ": only specify one alter program. %s ignored.\n",
434 optarg);
435 else
436 program = optarg;
437 continue;
64c4757e 438
e0d19036 439 case O(MONITOR,'d'): /* delay in seconds */
52826846
NB
440 if (delay)
441 fprintf(stderr, Name ": only specify delay once. %s ignored.\n",
442 optarg);
443 else {
444 delay = strtol(optarg, &c, 10);
445 if (!optarg[0] || *c || delay<1) {
446 fprintf(stderr, Name ": invalid delay: %s\n",
447 optarg);
448 exit(2);
449 }
450 }
451 continue;
d013a55e
NB
452 case O(MONITOR,'f'): /* daemonise */
453 daemonise = 1;
454 continue;
aa88f531
NB
455 case O(MONITOR,'1'): /* oneshot */
456 oneshot = 1;
457 continue;
52826846
NB
458
459 /* now the general management options. Some are applicable
460 * to other modes. None have arguments.
461 */
e0d19036
NB
462 case O(MANAGE,'a'):
463 case O(CREATE,'a'):
464 case O(BUILD,'a'):
465 case O(ASSEMBLE,'a'): /* add a drive */
52826846
NB
466 devmode = 'a';
467 continue;
e0d19036 468 case O(MANAGE,'r'): /* remove a drive */
52826846
NB
469 devmode = 'r';
470 continue;
e0d19036 471 case O(MANAGE,'f'): /* set faulty */
52826846
NB
472 devmode = 'f';
473 continue;
e0d19036
NB
474 case O(MANAGE,'R'):
475 case O(ASSEMBLE,'R'):
476 case O(BUILD,'R'):
477 case O(CREATE,'R'): /* Run the array */
52826846
NB
478 if (runstop < 0) {
479 fprintf(stderr, Name ": Cannot both Stop and Run an array\n");
480 exit(2);
481 }
482 runstop = 1;
483 continue;
e0d19036 484 case O(MANAGE,'S'):
52826846
NB
485 if (runstop > 0) {
486 fprintf(stderr, Name ": Cannot both Run and Stop an array\n");
487 exit(2);
488 }
489 runstop = -1;
490 continue;
491
e0d19036 492 case O(MANAGE,'o'):
52826846
NB
493 if (readonly < 0) {
494 fprintf(stderr, Name ": Cannot have both readonly and readwrite\n");
495 exit(2);
496 }
497 readonly = 1;
498 continue;
e0d19036 499 case O(MANAGE,'w'):
52826846 500 if (readonly > 0) {
e0d19036 501 fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n");
52826846
NB
502 exit(2);
503 }
504 readonly = -1;
505 continue;
e0d19036
NB
506
507 case O(MISC,'Q'):
508 case O(MISC,'D'):
509 case O(MISC,'E'):
510 case O(MISC,'K'):
511 case O(MISC,'R'):
512 case O(MISC,'S'):
513 case O(MISC,'o'):
514 case O(MISC,'w'):
515 if (devmode && devmode != opt &&
516 (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
517 fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
518 devmode =='E'?opt:devmode);
519 exit(2);
520 }
521 devmode = opt;
522 continue;
feb716e9
NB
523 case O(MISC,'t'):
524 test = 1;
525 continue;
e0d19036 526
bd526cee
NB
527 case O(MISC, 22):
528 if (devmode != 'E') {
529 fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n");
530 exit(2);
531 }
532 SparcAdjust = 1;
533 continue;
52826846
NB
534 }
535 /* We have now processed all the valid options. Anything else is
536 * an error
537 */
e0d19036
NB
538 fprintf(stderr, Name ": option %c not valid in %s mode\n",
539 opt, map_num(modes, mode));
64c4757e 540 exit(2);
52826846
NB
541
542 }
543
544 if (!mode) {
545 fputs(Usage, stderr);
64c4757e 546 exit(2);
64c4757e 547 }
52826846
NB
548 /* Ok, got the option parsing out of the way
549 * hopefully it's mostly right but there might be some stuff
550 * missing
551 *
e0d19036 552 * That is mosty checked in the per-mode stuff but...
52826846
NB
553 *
554 * For @,B,C and A without -s, the first device listed must be an md device
555 * we check that here and open it.
64c4757e 556 */
52826846 557
e0d19036 558 if (mode==MANAGE || mode == BUILD || mode == CREATE || (mode == ASSEMBLE && ! scan)) {
52826846
NB
559 if (devs_found < 1) {
560 fprintf(stderr, Name ": an md device must be given in this mode\n");
561 exit(2);
562 }
cd29a5c8 563 mdfd = open_mddev(devlist->devname);
52826846
NB
564 if (mdfd < 0)
565 exit(1);
d013a55e
NB
566 if (ident.super_minor == -2) {
567 struct stat stb;
568 fstat(mdfd, &stb);
569 ident.super_minor = MINOR(stb.st_rdev);
570 }
64c4757e 571 }
52826846 572
52826846
NB
573 rv = 0;
574 switch(mode) {
e0d19036 575 case MANAGE:
52826846
NB
576 /* readonly, add/remove, readwrite, runstop */
577 if (readonly>0)
cd29a5c8 578 rv = Manage_ro(devlist->devname, mdfd, readonly);
52826846 579 if (!rv && devs_found>1)
cd29a5c8
NB
580 rv = Manage_subdevs(devlist->devname, mdfd,
581 devlist->next);
52826846 582 if (!rv && readonly < 0)
cd29a5c8 583 rv = Manage_ro(devlist->devname, mdfd, readonly);
52826846 584 if (!rv && runstop)
cd29a5c8 585 rv = Manage_runstop(devlist->devname, mdfd, runstop);
52826846 586 break;
e0d19036 587 case ASSEMBLE:
d013a55e
NB
588 if (devs_found == 1 && ident.uuid_set == 0 &&
589 ident.super_minor == -1 && !scan ) {
590 /* Only a device has been given, so get details from config file */
591 mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
592 mdfd = open_mddev(devlist->devname);
593 if (mdfd < 0)
594 rv |= 1;
595 else {
596 if (array_ident == NULL) {
597 fprintf(stderr, Name ": %s not identified in config file.\n",
598 devlist->devname);
599 rv |= 1;
600 }
601 else
602 rv |= Assemble(devlist->devname, mdfd, array_ident, configfile,
603 NULL,
604 readonly, runstop, update, verbose, force);
605 }
606 } else if (!scan)
cd29a5c8
NB
607 rv = Assemble(devlist->devname, mdfd, &ident, configfile,
608 devlist->next,
5787fa49
NB
609 readonly, runstop, update, verbose, force);
610 else if (devs_found>0) {
611 if (update && devs_found > 1) {
612 fprintf(stderr, Name ": can only update a single array at a time\n");
613 exit(1);
614 }
cd29a5c8
NB
615 for (dv = devlist ; dv ; dv=dv->next) {
616 mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
617 mdfd = open_mddev(dv->devname);
52826846
NB
618 if (mdfd < 0) {
619 rv |= 1;
620 continue;
621 }
622 if (array_ident == NULL) {
623 fprintf(stderr, Name ": %s not identified in config file.\n",
cd29a5c8 624 dv->devname);
52826846
NB
625 rv |= 1;
626 continue;
627 }
cd29a5c8
NB
628 rv |= Assemble(dv->devname, mdfd, array_ident, configfile,
629 NULL,
5787fa49 630 readonly, runstop, update, verbose, force);
52826846 631 }
5787fa49 632 } else {
52826846
NB
633 mddev_ident_t array_list = conf_get_ident(configfile, NULL);
634 if (!array_list) {
635 fprintf(stderr, Name ": No arrays found in config file\n");
636 rv = 1;
637 } else
638 for (; array_list; array_list = array_list->next) {
cd29a5c8 639 mdu_array_info_t array;
52826846
NB
640 mdfd = open_mddev(array_list->devname);
641 if (mdfd < 0) {
642 rv |= 1;
643 continue;
644 }
cd29a5c8
NB
645 if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
646 /* already assembled, skip */
647 continue;
52826846
NB
648 rv |= Assemble(array_list->devname, mdfd,
649 array_list, configfile,
cd29a5c8 650 NULL,
5787fa49 651 readonly, runstop, NULL, verbose, force);
52826846
NB
652 }
653 }
654 break;
e0d19036 655 case BUILD:
cd29a5c8 656 rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next);
52826846 657 break;
e0d19036 658 case CREATE:
cd29a5c8 659 rv = Create(devlist->devname, mdfd, chunk, level, layout, size,
52826846 660 raiddisks, sparedisks,
cd29a5c8 661 devs_found-1, devlist->next, runstop, verbose, force);
52826846 662 break;
e0d19036
NB
663 case MISC:
664
665 if (devmode == 'E') {
666 if (devlist == NULL && !scan) {
667 fprintf(stderr, Name ": No devices to examine\n");
668 exit(2);
669 }
670 if (devlist == NULL)
671 devlist = conf_get_devs(configfile);
672 if (devlist == NULL) {
c913b90e 673 fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
e0d19036
NB
674 exit(1);
675 }
bd526cee 676 rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust);
e0d19036
NB
677 } else {
678 if (devlist == NULL) {
679 if ((devmode == 'S' ||devmode=='D') && scan) {
680 /* apply to all devices in /proc/mdstat */
681 struct mdstat_ent *ms = mdstat_read();
682 struct mdstat_ent *e;
683 for (e=ms ; e ; e=e->next) {
684 char *name = get_md_name(e->devnum);
685
686 if (!name) {
687 fprintf(stderr, Name ": cannot find device file for %s\n",
688 e->dev);
689 continue;
690 }
691 if (devmode == 'D')
feb716e9 692 rv |= Detail(name, !verbose, test);
e0d19036
NB
693 else if (devmode=='S') {
694 mdfd = open_mddev(name);
695 if (mdfd >= 0)
696 rv |= Manage_runstop(name, mdfd, -1);
697 }
698 put_md_name(name);
699 }
700 } else {
701 fprintf(stderr, Name ": No devices given.\n");
702 exit(2);
703 }
704 }
705 for (dv=devlist ; dv; dv=dv->next) {
706 switch(dv->disposition) {
707 case 'D':
feb716e9 708 rv |= Detail(dv->devname, brief, test); continue;
e0d19036
NB
709 case 'K': /* Zero superblock */
710 rv |= Kill(dv->devname, force); continue;
711 case 'Q':
712 rv |= Query(dv->devname); continue;
713 }
714 mdfd = open_mddev(dv->devname);
715 if (mdfd>=0)
716 switch(dv->disposition) {
717 case 'R':
718 rv |= Manage_runstop(dv->devname, mdfd, 1); break;
719 case 'S':
720 rv |= Manage_runstop(dv->devname, mdfd, -1); break;
721 case 'o':
722 rv |= Manage_ro(dv->devname, mdfd, 1); break;
723 case 'w':
724 rv |= Manage_ro(dv->devname, mdfd, -1); break;
725 }
726 }
cd29a5c8 727 }
9a9dab36 728 break;
e0d19036 729 case MONITOR:
e0d19036
NB
730 if (!devlist && !scan) {
731 fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n");
732 rv = 1;
733 break;
734 }
d013a55e 735 rv= Monitor(devlist, mailaddr, program,
aa88f531 736 delay?delay:60, daemonise, scan, oneshot, configfile);
9a9dab36 737 break;
64c4757e 738 }
52826846 739 exit(rv);
64c4757e 740}