/*
* 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 mode = 0;
int opt;
int option_index;
- char *help_text;
char *c;
int rv;
int i;
int level = UnSet;
int layout = UnSet;
int raiddisks = 0;
- int max_disks = MD_SB_DISKS;
+ int max_disks = MD_SB_DISKS; /* just a default */
int sparedisks = 0;
struct mddev_ident_s ident;
char *configfile = NULL;
int write_behind = 0;
int bitmap_fd = -1;
char *bitmap_file = NULL;
+ char *backup_file = NULL;
int bitmap_chunk = UnSet;
int SparcAdjust = 0;
mddev_dev_t devlist = NULL;
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.
- */
+ /* 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 dosyslog = 0;
int copies;
+ int print_help = 0;
int mdfd = -1;
ident.autof = 0;
ident.st = NULL;
ident.bitmap_fd = -1;
+ ident.bitmap_file = NULL;
ident.name[0] = 0;
while ((option_index = -1) ,
/* firstly, some mode-independant options */
switch(opt) {
case 'h':
- help_text = Help;
if (option_index > 0 &&
strcmp(long_options[option_index].name, "help-options")==0)
- help_text = OptionHelp;
+ print_help = 2;
else
- switch (mode) {
- case ASSEMBLE : help_text = Help_assemble; break;
- case BUILD : help_text = Help_build; break;
- case CREATE : help_text = Help_create; break;
- case MANAGE : help_text = Help_manage; break;
- case MISC : help_text = Help_misc; break;
- case MONITOR : help_text = Help_monitor; break;
- case GROW : help_text = Help_grow; break;
- }
- fputs(help_text,stderr);
- exit(0);
+ print_help = 1;
+ continue;
case 'V':
fputs(Version, stderr);
}
continue;
+ case HomeHost:
+ homehost = optarg;
+ continue;
+
case ':':
case '?':
fputs(Usage, stderr);
dv->disposition = devmode;
dv->writemostly = writemostly;
dv->re_add = re_add;
+ dv->used = 0;
dv->next = NULL;
*devlistend = dv;
devlistend = &dv->next;
break;
case 10:
- /* 'f' or 'n' followed by a number <= raid_disks */
- if ((optarg[0] != 'n' && optarg[0] != 'f') ||
+ /* 'f', 'o' or 'n' followed by a number <= raid_disks */
+ if ((optarg[0] != 'n' && optarg[0] != 'f' && optarg[0] != 'o') ||
(copies = strtoul(optarg+1, &cp, 10)) < 1 ||
copies > 200 ||
*cp) {
- fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg);
+ fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg);
exit(2);
}
if (optarg[0] == 'n')
layout = 256 + copies;
+ else if (optarg[0] == 'o')
+ layout = 0x10000 + (copies<<8) + 1;
else
layout = 1 + (copies<<8);
break;
}
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(BUILD,'f'): /* force honouring '-n 1' */
continue;
if (strcmp(update, "uuid")==0)
continue;
+ if (strcmp(update, "name")==0)
+ continue;
+ if (strcmp(update, "homehost")==0)
+ continue;
if (strcmp(update, "byteorder")==0) {
if (ss) {
fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n");
fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'uuid', 'resync' or 'summaries' supported\n",update);
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'):
devmode = 'a';
re_add = 0;
continue;
- case O(MANAGE,6):
+ case O(MANAGE,ReAdd):
devmode = 'a';
re_add = 1;
continue;
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, BackupFile):
+ case O(GROW, BackupFile):
+ /* Specify a file into which grow might place a backup,
+ * or from which assemble might recover a backup
+ */
+ if (backup_file) {
+ fprintf(stderr, Name ": backup file already specified, rejecting %s\n", optarg);
+ exit(2);
+ }
+ backup_file = optarg;
+ continue;
+
case O(GROW,'b'):
case O(BUILD,'b'):
case O(CREATE,'b'): /* here we create the bitmap */
- bitmap_file = optarg;
- continue;
+ if (strcmp(optarg, "internal")== 0 ||
+ strcmp(optarg, "none")== 0 ||
+ strchr(optarg, '/') != NULL) {
+ bitmap_file = optarg;
+ continue;
+ }
+ /* probable typo */
+ 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);
/* We have now processed all the valid options. Anything else is
* an error
*/
- fprintf(stderr, Name ": option %c not valid in %s mode\n",
- opt, map_num(modes, mode));
+ if (option_index > 0)
+ fprintf(stderr, Name ":option --%s not valid in %s mode\n",
+ long_options[option_index].name,
+ map_num(modes, mode));
+ else
+ fprintf(stderr, Name ": option -%c not valid in %s mode\n",
+ opt, map_num(modes, mode));
exit(2);
}
+ if (print_help) {
+ char *help_text = Help;
+ if (print_help == 2)
+ help_text = OptionHelp;
+ else
+ switch (mode) {
+ case ASSEMBLE : help_text = Help_assemble; break;
+ case BUILD : help_text = Help_build; break;
+ case CREATE : help_text = Help_create; break;
+ case MANAGE : help_text = Help_manage; break;
+ case MISC : help_text = Help_misc; break;
+ case MONITOR : help_text = Help_monitor; break;
+ case GROW : help_text = Help_grow; break;
+ }
+ fputs(help_text,stderr);
+ exit(0);
+ }
+
if (!mode && devs_found) {
mode = MISC;
devmode = 'Q';
fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n");
exit(2);
}
+ if (mode == MANAGE && runstop < 0)
+ autof=1; /* Don't create */
mdfd = open_mddev(devlist->devname, autof);
if (mdfd < 0)
exit(1);
}
}
+ if (homehost == NULL)
+ homehost = conf_get_homehost(configfile);
+ 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:
rv |= 1;
else {
rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile,
- NULL,
- readonly, runstop, update, verbose-quiet, force);
+ NULL, backup_file,
+ readonly, runstop, update, homehost, verbose-quiet, force);
close(mdfd);
}
}
} else if (!scan)
rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile,
- devlist->next,
- readonly, runstop, update, verbose-quiet, force);
+ devlist->next, backup_file,
+ 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);
}
+ if (backup_file && devs_found > 1) {
+ fprintf(stderr, Name ": can only assemble a single array when providing a backup file.\n");
+ exit(1);
+ }
for (dv = devlist ; dv ; dv=dv->next) {
mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
if (array_ident == NULL) {
continue;
}
rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile,
- NULL,
- readonly, runstop, update, verbose-quiet, force);
+ NULL, backup_file,
+ readonly, runstop, update, homehost, verbose-quiet, force);
close(mdfd);
}
} else {
mddev_ident_t array_list = conf_get_ident(configfile, NULL);
- if (!array_list) {
+ mddev_dev_t devlist = conf_get_devs(configfile);
+ 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 (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
+ /* already assembled, skip */
+ ;
+ else {
+ rv |= Assemble(ss, array_list->devname, mdfd,
+ array_list, configfile,
+ devlist, NULL,
+ readonly, runstop, NULL, homehost, verbose-quiet, force);
+ if (rv == 0) cnt++;
+ }
+ 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, configfile,
+ devlist, NULL,
+ readonly, runstop, NULL, homehost, verbose-quiet, force);
+ if (rv2==0) {
+ cnt++;
+ acnt++;
+ }
+ } while (rv2!=2);
+ /* Incase there are stacked devices, we need to go around again */
+ devlist = conf_get_devs(configfile);
+ } 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;
- } else
- 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,
- NULL,
- readonly, runstop, NULL, verbose-quiet, force);
- close(mdfd);
- }
+ }
}
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 = 1;
break;
}
- if (ss == NULL) {
- for(i=0; !ss && superlist[i]; i++)
- ss = superlist[i]->match_metadata_desc("default");
- }
- if (!ss) {
- fprintf(stderr, Name ": internal error - no default metadata style\n");
- exit(2);
- }
rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size,
- raiddisks, sparedisks, ident.name,
+ raiddisks, sparedisks, ident.name, homehost,
devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean,
bitmap_file, bitmap_chunk, write_behind, delay);
break;
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);
+ rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss, homehost);
} else {
if (devlist == NULL) {
if (devmode=='D' && scan) {
/* apply --detail to all devices in /proc/mdstat */
- struct mdstat_ent *ms = mdstat_read(0);
+ struct mdstat_ent *ms = mdstat_read(0, 1);
struct mdstat_ent *e;
for (e=ms ; e ; e=e->next) {
char *name = get_md_name(e->devnum);
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) {
int progress=1, err;
int last = 0;
do {
- struct mdstat_ent *ms = mdstat_read(0);
+ struct mdstat_ent *ms = mdstat_read(0, 0);
struct mdstat_ent *e;
if (!progress) last = 1;
e->dev);
continue;
}
- mdfd = open_mddev(name, 0);
+ mdfd = open_mddev(name, 1);
if (mdfd >= 0) {
if (Manage_runstop(name, mdfd, -1, !last))
err = 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); continue;
+ rv |= Kill(dv->devname, force, quiet); continue;
case 'Q':
rv |= Query(dv->devname); continue;
case 'X':
rv |= ExamineBitmap(dv->devname, brief, ss); continue;
}
- mdfd = open_mddev(dv->devname, 0);
+ mdfd = open_mddev(dv->devname, 1);
if (mdfd>=0) {
switch(dv->disposition) {
case 'R':
} else if (layout != UnSet)
rv = Manage_reconfig(devlist->devname, mdfd, layout);
else if (size >= 0 || raiddisks)
- rv = Manage_resize(devlist->devname, mdfd, size, raiddisks);
+ rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
+ size, level, layout, chunk, raiddisks);
else if (bitmap_file) {
if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file,
- bitmap_chunk, delay, write_behind);
+ bitmap_chunk, delay, write_behind, force);
} else
fprintf(stderr, Name ": no changes to --grow\n");
break;
projects / thirdparty / mdadm.git / blobdiff