/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
int force = 0;
int test = 0;
int assume_clean = 0;
- int autof = 0; /* -2 means create device based on name:
- * if it ends mdN, then non-partitioned array N
- * if it ends dN, then partitions array N
- * -1 means create non-partitioned, choose N
- * 1 or more to create partitioned
- * If -1 or 1 and name is a 'standard' name, then
- * insist on a match of type and number.
- */
+ char *symlinks = NULL;
+ /* autof indicates whether and how to create device node.
+ * bottom 3 bits are style. Rest (when shifted) are number of parts
+ * 0 - unset
+ * 1 - don't create (no)
+ * 2 - if is_standard, then create (yes)
+ * 3 - create as 'md' - reject is_standard mdp (md)
+ * 4 - create as 'mdp' - reject is_standard md (mdp)
+ * 5 - default to md if not is_standard (md in config file)
+ * 6 - default to mdp if not is_standard (part, or mdp in config file)
+ */
+ int autof = 0;
+ char *homehost = NULL;
+ char sys_hostname[256];
char *mailaddr = NULL;
char *program = NULL;
int delay = 0;
int re_add = 0;
char *shortopt = short_options;
int dosyslog = 0;
+ int rebuild_map = 0;
+ int auto_update_home = 0;
int copies;
int print_help = 0;
}
continue;
+ case HomeHost:
+ homehost = optarg;
+ continue;
+
case ':':
case '?':
fputs(Usage, stderr);
case 'a':
case 'r':
case 'f':
- case 6: /* re-add */
+ case ReAdd: /* re-add */
if (!mode) {
newmode = MANAGE;
shortopt = short_bitmap_auto_options;
case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break;
case 'F': newmode = MONITOR;break;
case 'G': newmode = GROW; shortopt = short_bitmap_auto_options; break;
+ case 'I': newmode = INCREMENTAL; break;
case '#':
case 'D':
case 'S':
case 'o':
case 'w':
+ case 'W':
case 'K': if (!mode) newmode = MISC; break;
}
if (mode && newmode == mode) {
dv->disposition = devmode;
dv->writemostly = writemostly;
dv->re_add = re_add;
+ dv->used = 0;
dv->next = NULL;
*devlistend = dv;
devlistend = &dv->next;
case 'C':
case 'F':
case 'G':
+ case 'I':
continue;
}
if (opt == 1) {
}
continue;
+ case O(ASSEMBLE,AutoHomeHost):
+ auto_update_home = 1;
+ continue;
+ case O(INCREMENTAL, 'e'):
case O(CREATE,'e'):
case O(ASSEMBLE,'e'):
case O(MISC,'e'): /* set metadata (superblock) information */
}
continue;
- case O(CREATE,3):
- case O(BUILD,3): /* assume clean */
+ case O(CREATE,AssumeClean):
+ case O(BUILD,AssumeClean): /* assume clean */
assume_clean = 1;
continue;
case O(CREATE,'a'):
case O(BUILD,'a'):
case O(ASSEMBLE,'a'): /* auto-creation of device node */
- if (optarg == NULL)
- autof = -2;
- else if (strcasecmp(optarg,"no")==0)
- autof = 0;
- else if (strcasecmp(optarg,"yes")==0)
- autof = -2;
- else if (strcasecmp(optarg,"md")==0)
- autof = -1;
- else {
- /* There might be digits, and maybe a hypen, at the end */
- char *e = optarg + strlen(optarg);
- int num = 4;
- int len;
- while (e > optarg && isdigit(e[-1]))
- e--;
- if (*e) {
- num = atoi(e);
- if (num <= 0) num = 1;
- }
- if (e > optarg && e[-1] == '-')
- e--;
- len = e - optarg;
- if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) ||
- (len == 1 && strncasecmp(optarg,"p",1)==0) ||
- (len >= 4 && strncasecmp(optarg,"part",4)==0))
- autof = num;
- else {
- fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n"
- " optionally followed by a number.\n",
- optarg);
- exit(2);
- }
- }
+ autof = parse_auto(optarg, "--auto flag", 0);
+ continue;
+
+ case O(CREATE,Symlinks):
+ case O(BUILD,Symlinks):
+ case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */
+ symlinks = optarg;
continue;
case O(BUILD,'f'): /* force honouring '-n 1' */
continue;
/* now for the Assemble options */
+ case O(CREATE,'u'): /* uuid of array */
case O(ASSEMBLE,'u'): /* uuid of array */
if (ident.uuid_set) {
fprintf(stderr, Name ": uuid cannot be set twice. "
continue;
if (strcmp(update, "uuid")==0)
continue;
+ if (strcmp(update, "name")==0)
+ continue;
+ if (strcmp(update, "homehost")==0)
+ continue;
+ if (strcmp(update, "devicesize")==0)
+ continue;
if (strcmp(update, "byteorder")==0) {
if (ss) {
fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n");
continue;
}
- fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'uuid', 'resync' or 'summaries' supported\n",update);
+ if (strcmp(update,"?") == 0 || strcmp(update, "help") == 0)
+ fprintf(stderr, Name ": ");
+ else
+ fprintf(stderr, Name ": '--update=%s' is invalid. ", update);
+ fprintf(stderr, "Valid --update options are:\n"
+ " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n"
+ " 'summaries', 'homehost', 'byteorder', 'devicesize'.\n");
exit(2);
+ case O(ASSEMBLE,NoDegraded): /* --no-degraded */
+ runstop = -1; /* --stop isn't allowed for --assemble, so we overload slightly */
+ continue;
+
case O(ASSEMBLE,'c'): /* config file */
case O(MISC, 'c'):
case O(MONITOR,'c'):
exit(2);
}
configfile = optarg;
+ set_conffile(configfile);
/* FIXME possibly check that config file exists. Even parse it */
continue;
case O(ASSEMBLE,'s'): /* scan */
case O(MISC,'s'):
case O(MONITOR,'s'):
+ case O(INCREMENTAL,'s'):
scan = 1;
continue;
devmode = 'a';
re_add = 0;
continue;
- case O(MANAGE,6):
+ case O(MANAGE,ReAdd):
devmode = 'a';
re_add = 1;
continue;
case O(MANAGE,'f'): /* set faulty */
devmode = 'f';
continue;
+ case O(INCREMENTAL,'R'):
case O(MANAGE,'R'):
case O(ASSEMBLE,'R'):
case O(BUILD,'R'):
case O(MISC,'X'):
case O(MISC,'o'):
case O(MISC,'w'):
+ case O(MISC,'W'):
if (devmode && devmode != opt &&
(devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
test = 1;
continue;
- case O(MISC, 22):
+ case O(MISC, Sparc22):
if (devmode != 'E') {
fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n");
exit(2);
ident.bitmap_fd = bitmap_fd; /* for Assemble */
continue;
- case O(ASSEMBLE, 7):
- case O(GROW, 7):
+ case O(ASSEMBLE, BackupFile):
+ case O(GROW, BackupFile):
/* Specify a file into which grow might place a backup,
* or from which assemble might recover a backup
*/
fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n");
exit(2);
- case O(GROW,4):
- case O(BUILD,4):
- case O(CREATE,4): /* bitmap chunksize */
+ case O(GROW,BitmapChunk):
+ case O(BUILD,BitmapChunk):
+ case O(CREATE,BitmapChunk): /* bitmap chunksize */
bitmap_chunk = strtol(optarg, &c, 10);
if (!optarg[0] || *c || bitmap_chunk < 0 ||
bitmap_chunk & (bitmap_chunk - 1)) {
bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512;
continue;
- case O(BUILD, 5):
- case O(CREATE, 5): /* write-behind mode */
+ case O(BUILD, WriteBehind):
+ case O(CREATE, WriteBehind): /* write-behind mode */
write_behind = DEFAULT_MAX_WRITE_BEHIND;
if (optarg) {
write_behind = strtol(optarg, &c, 10);
}
}
continue;
+
+ case O(INCREMENTAL, 'r'):
+ rebuild_map = 1;
+ continue;
}
/* We have now processed all the valid options. Anything else is
* an error
case MISC : help_text = Help_misc; break;
case MONITOR : help_text = Help_monitor; break;
case GROW : help_text = Help_grow; break;
+ case INCREMENTAL:help_text= Help_incr; break;
}
fputs(help_text,stderr);
exit(0);
fputs(Usage, stderr);
exit(2);
}
+
+ if (symlinks) {
+ struct createinfo *ci = conf_get_create_info();
+
+ if (strcasecmp(symlinks, "yes") == 0)
+ ci->symlinks = 1;
+ else if (strcasecmp(symlinks, "no") == 0)
+ ci->symlinks = 0;
+ else {
+ fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n");
+ exit(2);
+ }
+ }
/* Ok, got the option parsing out of the way
* hopefully it's mostly right but there might be some stuff
* missing
fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n");
exit(2);
}
+ if (mode == MANAGE || mode == GROW)
+ autof=1; /* Don't create */
mdfd = open_mddev(devlist->devname, autof);
if (mdfd < 0)
exit(1);
}
}
+ if (homehost == NULL)
+ homehost = conf_get_homehost();
+ if (homehost && strcmp(homehost, "<system>")==0) {
+ if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) {
+ sys_hostname[sizeof(sys_hostname)-1] = 0;
+ homehost = sys_hostname;
+ }
+ }
+
rv = 0;
switch(mode) {
case MANAGE:
if (!rv && readonly < 0)
rv = Manage_ro(devlist->devname, mdfd, readonly);
if (!rv && runstop)
- rv = Manage_runstop(devlist->devname, mdfd, runstop, 0);
+ rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet);
break;
case ASSEMBLE:
if (devs_found == 1 && ident.uuid_set == 0 &&
ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) {
/* Only a device has been given, so get details from config file */
- mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
+ mddev_ident_t array_ident = conf_get_ident(devlist->devname);
if (array_ident == NULL) {
fprintf(stderr, Name ": %s not identified in config file.\n",
devlist->devname);
if (mdfd < 0)
rv |= 1;
else {
- rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile,
+ rv |= Assemble(ss, devlist->devname, mdfd, array_ident,
NULL, backup_file,
- readonly, runstop, update, verbose-quiet, force);
+ readonly, runstop, update, homehost, verbose-quiet, force);
close(mdfd);
}
}
} else if (!scan)
- rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile,
+ rv = Assemble(ss, devlist->devname, mdfd, &ident,
devlist->next, backup_file,
- readonly, runstop, update, verbose-quiet, force);
+ readonly, runstop, update, homehost, verbose-quiet, force);
else if (devs_found>0) {
if (update && devs_found > 1) {
fprintf(stderr, Name ": can only update a single array at a time\n");
exit(1);
}
for (dv = devlist ; dv ; dv=dv->next) {
- mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
+ mddev_ident_t array_ident = conf_get_ident(dv->devname);
if (array_ident == NULL) {
fprintf(stderr, Name ": %s not identified in config file.\n",
dv->devname);
rv |= 1;
continue;
}
- rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile,
+ rv |= Assemble(ss, dv->devname, mdfd, array_ident,
NULL, backup_file,
- readonly, runstop, update, verbose-quiet, force);
+ readonly, runstop, update, homehost, verbose-quiet, force);
close(mdfd);
}
} else {
- mddev_ident_t array_list = conf_get_ident(configfile, NULL);
- if (!array_list) {
- fprintf(stderr, Name ": No arrays found in config file\n");
- rv = 1;
- } else
- if (update) {
- fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n");
- exit(1);
+ mddev_ident_t array_list = conf_get_ident(NULL);
+ mddev_dev_t devlist = conf_get_devs();
+ int cnt = 0;
+ if (devlist == NULL) {
+ fprintf(stderr, Name ": No devices listed in conf file were found.\n");
+ exit(1);
+ }
+ if (update) {
+ fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n");
+ exit(1);
+ }
+ if (backup_file) {
+ fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n");
+ exit(1);
+ }
+ for (; array_list; array_list = array_list->next) {
+ mdu_array_info_t array;
+ mdfd = open_mddev(array_list->devname,
+ array_list->autof ? array_list->autof : autof);
+ if (mdfd < 0) {
+ rv |= 1;
+ continue;
}
- if (backup_file) {
- fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n");
- exit(1);
+ if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
+ /* already assembled, skip */
+ cnt++;
+ else {
+ rv |= Assemble(ss, array_list->devname, mdfd,
+ array_list,
+ NULL, NULL,
+ readonly, runstop, NULL, homehost, verbose-quiet, force);
+ if (rv == 0) cnt++;
}
- for (; array_list; array_list = array_list->next) {
- mdu_array_info_t array;
- mdfd = open_mddev(array_list->devname,
- array_list->autof ? array_list->autof : autof);
- if (mdfd < 0) {
- rv |= 1;
- continue;
- }
- if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
- /* already assembled, skip */
- ;
- else
- rv |= Assemble(ss, array_list->devname, mdfd,
- array_list, configfile,
+ close(mdfd);
+ }
+ if (homehost) {
+ /* Maybe we can auto-assemble something.
+ * Repeatedly call Assemble in auto-assmble mode
+ * until it fails
+ */
+ int rv2;
+ int acnt;
+ ident.autof = autof;
+ do {
+ acnt = 0;
+ do {
+ rv2 = Assemble(ss, NULL, -1,
+ &ident,
NULL, NULL,
- readonly, runstop, NULL, verbose-quiet, force);
- close(mdfd);
+ readonly, runstop, NULL, homehost, verbose-quiet, force);
+ if (rv2==0) {
+ cnt++;
+ acnt++;
+ }
+ if (rv2 == 1)
+ /* found something so even though assembly failed we
+ * want to avoid auto-updates
+ */
+ auto_update_home = 0;
+ } while (rv2!=2);
+ /* Incase there are stacked devices, we need to go around again */
+ } while (acnt);
+ if (cnt == 0 && auto_update_home && homehost) {
+ /* Nothing found, maybe we need to bootstrap homehost info */
+ do {
+ acnt = 0;
+ do {
+ rv2 = Assemble(ss, NULL, -1,
+ &ident,
+ NULL, NULL,
+ readonly, runstop, "homehost", homehost, verbose-quiet, force);
+ if (rv2==0) {
+ cnt++;
+ acnt++;
+ }
+ } while (rv2!=2);
+ /* Incase there are stacked devices, we need to go around again */
+ } while (acnt);
+ }
+ if (cnt == 0 && rv == 0) {
+ fprintf(stderr, Name ": No arrays found in config file or automatically\n");
+ rv = 1;
}
+ } else if (cnt == 0 && rv == 0) {
+ fprintf(stderr, Name ": No arrays found in config file\n");
+ rv = 1;
+ }
}
break;
case BUILD:
- if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK;
if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
if (write_behind && !bitmap_file) {
fprintf(stderr, Name ": write-behind mode requires a bitmap.\n");
}
rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size,
- raiddisks, sparedisks, ident.name,
+ raiddisks, sparedisks, ident.name, homehost,
+ ident.uuid_set ? ident.uuid : NULL,
devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean,
bitmap_file, bitmap_chunk, write_behind, delay);
break;
case MISC:
-
if (devmode == 'E') {
if (devlist == NULL && !scan) {
fprintf(stderr, Name ": No devices to examine\n");
exit(2);
}
if (devlist == NULL)
- devlist = conf_get_devs(configfile);
+ devlist = conf_get_devs();
if (devlist == NULL) {
fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
exit(1);
}
- rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss);
+ if (brief && verbose)
+ brief = 2;
+ rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss, homehost);
} else {
if (devlist == NULL) {
if (devmode=='D' && scan) {
e->dev);
continue;
}
- rv |= Detail(name, verbose>1?0:verbose+1, test);
+ rv |= Detail(name, verbose>1?0:verbose+1, test, homehost);
put_md_name(name);
}
} else if (devmode == 'S' && scan) {
e->dev);
continue;
}
- mdfd = open_mddev(name, 0);
+ mdfd = open_mddev(name, 1);
if (mdfd >= 0) {
- if (Manage_runstop(name, mdfd, -1, !last))
+ if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1))
err = 1;
else
progress = 1;
for (dv=devlist ; dv; dv=dv->next) {
switch(dv->disposition) {
case 'D':
- rv |= Detail(dv->devname, brief?1+verbose:0, test); continue;
+ rv |= Detail(dv->devname, brief?1+verbose:0, test, homehost); continue;
case 'K': /* Zero superblock */
rv |= Kill(dv->devname, force, quiet); continue;
case 'Q':
rv |= Query(dv->devname); continue;
case 'X':
rv |= ExamineBitmap(dv->devname, brief, ss); continue;
+ case 'W':
+ rv |= Wait(dv->devname); continue;
}
- mdfd = open_mddev(dv->devname, 0);
+ mdfd = open_mddev(dv->devname, 1);
if (mdfd>=0) {
switch(dv->disposition) {
case 'R':
- rv |= Manage_runstop(dv->devname, mdfd, 1, 0); break;
+ rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break;
case 'S':
- rv |= Manage_runstop(dv->devname, mdfd, -1, 0); break;
+ rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break;
case 'o':
rv |= Manage_ro(dv->devname, mdfd, 1); break;
case 'w':
}
rv= Monitor(devlist, mailaddr, program,
delay?delay:60, daemonise, scan, oneshot,
- dosyslog, configfile, test, pidfile);
+ dosyslog, test, pidfile);
break;
case GROW:
} else
fprintf(stderr, Name ": no changes to --grow\n");
break;
+ case INCREMENTAL:
+ if (rebuild_map) {
+ RebuildMap();
+ }
+ if (scan) {
+ if (runstop <= 0) {
+ fprintf(stderr, Name
+ ": --incremental --scan meaningless without --run.\n");
+ break;
+ }
+ rv = IncrementalScan(verbose);
+ }
+ if (!devlist) {
+ if (!rebuild_map && !scan) {
+ fprintf(stderr, Name
+ ": --incremental requires a device.\n");
+ rv = 1;
+ }
+ break;
+ }
+ if (devlist->next) {
+ fprintf(stderr, Name
+ ": --incremental can only handle one device.\n");
+ rv = 1;
+ break;
+ }
+ rv = Incremental(devlist->devname, verbose-quiet, runstop,
+ ss, homehost, autof);
}
exit(rv);
}
projects / thirdparty / mdadm.git / blobdiff