/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Neil Brown
- * Email: <neilb@cse.unsw.edu.au>
- * Paper: Neil Brown
- * School of Computer Science and Engineering
- * The University of New South Wales
- * Sydney, 2052
- * Australia
+ * Email: <neilb@suse.de>
*
* Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004,
* Paul Clements, SteelEye Technology, Inc.
int require_homehost = 1;
char *mailaddr = NULL;
char *program = NULL;
+ int increments = 20;
int delay = 0;
int daemonise = 0;
char *pidfile = NULL;
int dosyslog = 0;
int rebuild_map = 0;
int auto_update_home = 0;
+ char *subarray = NULL;
int print_help = 0;
FILE *outf;
continue;
case 'b':
- if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW)
+ if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW ||
+ mode == INCREMENTAL || mode == MANAGE)
break; /* b means bitmap */
brief = 1;
- if (optarg) {
- fprintf(stderr, Name ": -b cannot have any extra immediately after it, sorry.\n");
- exit(2);
- }
continue;
case 'Y': export++;
case 'W':
case Waitclean:
case DetailPlatform:
+ case KillSubarray:
+ if (opt == KillSubarray)
+ subarray = optarg;
case 'K': if (!mode) newmode = MISC; break;
}
if (mode && newmode == mode) {
continue;
}
/* No mode yet, and this is the second device ... */
- fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n");
+ fprintf(stderr, Name ": An option must be given to set the mode before a second device\n"
+ " (%s) is listed\n", optarg);
exit(2);
}
if (option_index >= 0)
* could depend on the mode */
#define O(a,b) ((a<<8)|b)
switch (O(mode,opt)) {
+ case O(GROW,'c'):
case O(CREATE,'c'):
case O(BUILD,'c'): /* chunk or rounding */
if (chunk) {
}
continue;
+#if 0
case O(ASSEMBLE,AutoHomeHost):
auto_update_home = 1;
continue;
+#endif
case O(INCREMENTAL, 'e'):
case O(CREATE,'e'):
case O(ASSEMBLE,'e'):
}
continue;
- case O(GROW,'l'): /* hack - needed to understand layout */
+ case O(GROW,'l'):
case O(CREATE,'l'):
case O(BUILD,'l'): /* set raid level*/
if (level != UnSet) {
optarg);
exit(2);
}
- if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) {
+ if (level != 0 && level != LEVEL_LINEAR && level != 1 &&
+ level != LEVEL_MULTIPATH && level != LEVEL_FAULTY &&
+ level != 10 &&
+ mode == BUILD) {
fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
optarg);
exit(2);
program = optarg;
continue;
+ case O(MONITOR,'r'): /* rebuild increments */
+ increments = atoi(optarg);
+ if (increments>99 || increments<1) {
+ fprintf(stderr, Name ": please specify positive integer between 1 and 99 as rebuild increments.\n");
+ exit(2);
+ }
+ continue;
+
case O(MONITOR,'d'): /* delay in seconds */
case O(GROW, 'd'):
case O(BUILD,'d'): /* delay for bitmap updates */
case O(MISC,'W'):
case O(MISC, Waitclean):
case O(MISC, DetailPlatform):
+ case O(MISC, KillSubarray):
if (devmode && devmode != opt &&
(devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
continue;
}
/* probable typo */
- fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n");
+ fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n"
+ " not '%s'\n", optarg);
exit(2);
case O(GROW,BitmapChunk):
}
}
+ if ((mode != MISC || devmode != 'E') &&
+ geteuid() != 0) {
+ fprintf(stderr, Name ": must be super-user to perform this action\n");
+ exit(1);
+ }
+
ident.autof = autof;
rv = 0;
verbose-quiet, force);
}
} else {
- mddev_ident_t array_list = conf_get_ident(NULL);
+ mddev_ident_t a, array_list = conf_get_ident(NULL);
mddev_dev_t devlist = conf_get_devs();
int cnt = 0;
+ int failures, successes;
if (devlist == NULL) {
fprintf(stderr, Name ": No devices listed in conf file were found.\n");
exit(1);
fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n");
exit(1);
}
- for (; array_list; array_list = array_list->next) {
- if (array_list->devname &&
- strcasecmp(array_list->devname, "<ignore>") == 0)
- continue;
- if (array_list->autof == 0)
- array_list->autof = autof;
+ for (a = array_list; a ; a = a->next) {
+ a->assembled = 0;
+ if (a->autof == 0)
+ a->autof = autof;
+ }
+ do {
+ failures = 0;
+ successes = 0;
+ rv = 0;
+ for (a = array_list; a ; a = a->next) {
+ int r;
+ if (a->assembled)
+ continue;
+ if (a->devname &&
+ strcasecmp(a->devname, "<ignore>") == 0)
+ continue;
- rv |= Assemble(ss, array_list->devname,
- array_list,
- NULL, NULL,
- readonly, runstop, NULL,
- homehost, require_homehost,
- verbose-quiet, force);
- cnt++;
- }
+ r = Assemble(ss, a->devname,
+ a,
+ NULL, NULL,
+ readonly, runstop, NULL,
+ homehost, require_homehost,
+ verbose-quiet, force);
+ if (r == 0) {
+ a->assembled = 1;
+ successes++;
+ } else
+ failures++;
+ rv |= r;
+ cnt++;
+ }
+ } while (failures && successes);
if (homehost && cnt == 0) {
/* Maybe we can auto-assemble something.
* Repeatedly call Assemble in auto-assemble mode
} while (rv2!=2);
/* Incase there are stacked devices, we need to go around again */
} while (acnt);
+#if 0
if (cnt == 0 && auto_update_home && homehost) {
/* Nothing found, maybe we need to bootstrap homehost info */
do {
/* Incase there are stacked devices, we need to go around again */
} while (acnt);
}
+#endif
if (cnt == 0 && rv == 0) {
fprintf(stderr, Name ": No arrays found in config file or automatically\n");
rv = 1;
struct mdstat_ent *ms = mdstat_read(0, 1);
struct mdstat_ent *e;
struct map_ent *map = NULL;
+ int members;
int v = verbose>1?0:verbose+1;
+ for (members = 0; members <= 1; members++) {
for (e=ms ; e ; e=e->next) {
char *name;
struct map_ent *me;
+ int member = e->metadata_version &&
+ strncmp(e->metadata_version,
+ "external:/", 10) == 0;
+ if (members != member)
+ continue;
me = map_by_devnum(&map, e->devnum);
if (me && me->path
&& strcmp(me->path, "/unknown") != 0)
export, test,
homehost);
else
- rv |= WaitClean(name, v);
+ rv |= WaitClean(name, -1, v);
put_md_name(name);
}
+ }
free_mdstat(ms);
} else if (devmode == 'S' && scan) {
/* apply --stop to all devices in /proc/mdstat */
export, test, homehost);
continue;
case 'K': /* Zero superblock */
- rv |= Kill(dv->devname, force, quiet,0);
+ if (ss)
+ rv |= Kill(dv->devname, ss, force, quiet,0);
+ else {
+ int q = quiet;
+ do {
+ rv |= Kill(dv->devname, NULL, force, q, 0);
+ q = 1;
+ } while (rv == 0);
+ rv &= ~2;
+ }
continue;
case 'Q':
rv |= Query(dv->devname); continue;
case 'W':
rv |= Wait(dv->devname); continue;
case Waitclean:
- rv |= WaitClean(dv->devname, verbose-quiet); continue;
+ rv |= WaitClean(dv->devname, -1, verbose-quiet); continue;
+ case KillSubarray:
+ rv |= Kill_subarray(dv->devname, subarray, quiet);
+ continue;
}
mdfd = open_mddev(dv->devname, 1);
if (mdfd>=0) {
rv = 1;
break;
}
+ if (delay == 0) {
+ if (get_linux_version() > 20616)
+ /* mdstat responds to poll */
+ delay = 1000;
+ else
+ delay = 60;
+ }
rv= Monitor(devlist, mailaddr, program,
delay?delay:60, daemonise, scan, oneshot,
- dosyslog, test, pidfile);
+ dosyslog, test, pidfile, increments);
break;
case GROW:
if (array_size >= 0) {
/* alway impose array size first, independent of
* anything else
+ * Do not allow level or raid_disks changes at the
+ * same time as that can be irreversibly destructive.
*/
struct mdinfo sra;
int err;
+ if (raiddisks || level != UnSet) {
+ fprintf(stderr, Name ": cannot change array size in same operation "
+ "as changing raiddisks or level.\n"
+ " Change size first, then check that data is still intact.\n");
+ rv = 1;
+ break;
+ }
sysfs_init(&sra, mdfd, 0);
if (array_size == 0)
err = sysfs_set_str(&sra, NULL, "array_size", "default");
if (devs_found > 1) {
/* must be '-a'. */
- if (size >= 0 || raiddisks) {
- fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n");
+ if (size >= 0 || raiddisks || chunk || layout_str != NULL || bitmap_file) {
+ fprintf(stderr, Name ": --add cannot be used with other geometry changes in --grow mode\n");
rv = 1;
break;
}
if (rv)
break;
}
- } else if ((size >= 0) + (raiddisks != 0) + (layout_str != NULL) + (bitmap_file != NULL)> 1) {
- fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n");
- rv = 1;
- break;
- } else if (size >= 0 || raiddisks || layout_str != NULL)
- rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
- size, level, layout_str, chunk, raiddisks);
- else if (bitmap_file) {
- if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
+ } else if (bitmap_file) {
+ if (size >= 0 || raiddisks || chunk || layout_str != NULL) {
+ fprintf(stderr, Name ": --bitmap changes cannot be used with other geometry changes in --grow mode\n");
+ rv = 1;
+ break;
+ }
+ if (delay == 0)
+ delay = DEFAULT_BITMAP_DELAY;
rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file,
bitmap_chunk, delay, write_behind, force);
+ } else if (size >= 0 || raiddisks != 0 || layout_str != NULL
+ || chunk != 0 || level != UnSet) {
+ rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
+ size, level, layout_str, chunk, raiddisks);
} else if (array_size < 0)
fprintf(stderr, Name ": no changes to --grow\n");
break;
projects / thirdparty / mdadm.git / blobdiff