* Sydney, 2052
* Australia
*
- * Additions for bitmap and async RAID options, Copyright (C) 2003-2004,
+ * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004,
* Paul Clements, SteelEye Technology, Inc.
*/
int mode = 0;
int opt;
int option_index;
- char *help_text;
char *c;
int rv;
int i;
int chunk = 0;
- int size = -1;
+ long long size = -1;
int level = UnSet;
int layout = UnSet;
int raiddisks = 0;
+ int max_disks = MD_SB_DISKS;
int sparedisks = 0;
struct mddev_ident_s ident;
char *configfile = NULL;
char devmode = 0;
int runstop = 0;
int readonly = 0;
+ int write_behind = 0;
int bitmap_fd = -1;
char *bitmap_file = NULL;
int bitmap_chunk = UnSet;
mddev_dev_t dv;
int devs_found = 0;
int verbose = 0;
+ int quiet = 0;
int brief = 0;
int force = 0;
int test = 0;
char *pidfile = NULL;
int oneshot = 0;
struct supertype *ss = NULL;
+ int writemostly = 0;
+ int re_add = 0;
+ char *shortopt = short_options;
+ int dosyslog = 0;
int copies;
+ int print_help = 0;
int mdfd = -1;
+ srandom(time(0) ^ getpid());
+
ident.uuid_set=0;
ident.level = UnSet;
ident.raid_disks = UnSet;
ident.autof = 0;
ident.st = NULL;
ident.bitmap_fd = -1;
+ ident.name[0] = 0;
while ((option_index = -1) ,
(opt=getopt_long(argc, argv,
- short_options, long_options,
+ shortopt, long_options,
&option_index)) != -1) {
int newmode = mode;
- /* firstly, so mode-independant options */
+ /* 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);
exit(0);
- case 'v': verbose = 1;
+ case 'v': verbose++;
+ continue;
+
+ case 'q': quiet++;
continue;
case 'b':
- if (mode == ASSEMBLE || mode == BUILD || mode == CREATE)
+ if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW)
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 ':':
switch(opt) {
case '@': /* just incase they say --manage */
- newmode = MANAGE; break;
+ newmode = MANAGE;
+ shortopt = short_bitmap_auto_options;
+ break;
case 'a':
case 'r':
case 'f':
- if (!mode) newmode = MANAGE;
+ case 6: /* re-add */
+ if (!mode) {
+ newmode = MANAGE;
+ shortopt = short_bitmap_auto_options;
+ }
break;
- case 'A': newmode = ASSEMBLE; break;
- case 'B': newmode = BUILD; break;
- case 'C': newmode = CREATE; break;
+ case 'A': newmode = ASSEMBLE; shortopt = short_bitmap_auto_options; break;
+ case 'B': newmode = BUILD; shortopt = short_bitmap_auto_options; break;
+ case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break;
case 'F': newmode = MONITOR;break;
- case 'G': newmode = GROW; break;
+ case 'G': newmode = GROW; shortopt = short_bitmap_auto_options; break;
case '#':
case 'D':
}
dv->devname = optarg;
dv->disposition = devmode;
+ dv->writemostly = writemostly;
+ dv->re_add = re_add;
dv->next = NULL;
*devlistend = dv;
devlistend = &dv->next;
}
dv->devname = optarg;
dv->disposition = devmode;
+ dv->writemostly = writemostly;
+ dv->re_add = re_add;
dv->next = NULL;
*devlistend = dv;
devlistend = &dv->next;
fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg);
exit(2);
}
+ max_disks = ss->max_devs;
+ continue;
+
+ case O(MANAGE,'W'):
+ case O(BUILD,'W'):
+ case O(CREATE,'W'):
+ /* set write-mostly for following devices */
+ writemostly = 1;
continue;
case O(GROW,'z'):
if (strcmp(optarg, "max")==0)
size = 0;
else {
- size = strtol(optarg, &c, 10);
+ size = strtoll(optarg, &c, 10);
if (!optarg[0] || *c || size < 4) {
fprintf(stderr, Name ": invalid size: %s\n",
optarg);
exit(2);
}
raiddisks = strtol(optarg, &c, 10);
- if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) {
+ if (!optarg[0] || *c || raiddisks<=0) {
fprintf(stderr, Name ": invalid number of raid devices: %s\n",
optarg);
exit(2);
}
- if (raiddisks == 1 && !force && level != -5) {
- fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n"
- " a mistake. If you really mean it you will need to specify --force before\n"
- " setting the number of drives.\n");
- exit(2);
- }
ident.raid_disks = raiddisks;
continue;
exit(2);
}
sparedisks = strtol(optarg, &c, 10);
- if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) {
+ if (!optarg[0] || *c || sparedisks < 0) {
fprintf(stderr, Name ": invalid number of spare-devices: %s\n",
optarg);
exit(2);
continue;
case O(BUILD,'f'): /* force honouring '-n 1' */
+ case O(GROW,'f'): /* ditto */
case O(CREATE,'f'): /* force honouring of device list */
case O(ASSEMBLE,'f'): /* force assembly */
case O(MISC,'f'): /* force zero */
}
continue;
+ case O(CREATE,'N'):
+ case O(ASSEMBLE,'N'):
+ if (ident.name[0]) {
+ fprintf(stderr, Name ": name cannot be set twice. "
+ "Second value %s.\n", optarg);
+ exit(2);
+ }
+ if (strlen(optarg) > 32) {
+ fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n",
+ optarg);
+ exit(2);
+ }
+ strcpy(ident.name, optarg);
+ continue;
+
case O(ASSEMBLE,'m'): /* super-minor for array */
if (ident.super_minor != UnSet) {
fprintf(stderr, Name ": super-minor cannot be set twice. "
continue;
if (strcmp(update, "resync")==0)
continue;
- fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update);
+ if (strcmp(update, "uuid")==0)
+ continue;
+ if (strcmp(update, "byteorder")==0) {
+ if (ss) {
+ fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n");
+ exit(2);
+ }
+ for(i=0; !ss && superlist[i]; i++)
+ ss = superlist[i]->match_metadata_desc("0.swap");
+ if (!ss) {
+ fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n");
+ exit(2);
+ }
+
+ continue;
+ }
+ fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'uuid', 'resync' or 'summaries' supported\n",update);
exit(2);
case O(ASSEMBLE,'c'): /* config file */
continue;
case O(MONITOR,'d'): /* delay in seconds */
+ case O(GROW, 'd'):
case O(BUILD,'d'): /* delay for bitmap updates */
case O(CREATE,'d'):
if (delay)
case O(MONITOR,'t'): /* test */
test = 1;
continue;
+ case O(MONITOR,'y'): /* log messages to syslog */
+ openlog("mdadm", 0, SYSLOG_FACILITY);
+ dosyslog = 1;
+ continue;
/* now the general management options. Some are applicable
* to other modes. None have arguments.
case O(GROW,'a'):
case O(MANAGE,'a'): /* add a drive */
devmode = 'a';
+ re_add = 0;
+ continue;
+ case O(MANAGE,6):
+ devmode = 'a';
+ re_add = 1;
continue;
case O(MANAGE,'r'): /* remove a drive */
devmode = 'r';
fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n");
exit(2);
}
+ if (strcmp(optarg, "internal")==0) {
+ fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n");
+ continue;
+ }
bitmap_fd = open(optarg, O_RDWR);
if (!*optarg || bitmap_fd < 0) {
fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno));
}
ident.bitmap_fd = bitmap_fd; /* for Assemble */
continue;
+
+ case O(GROW,'b'):
case O(BUILD,'b'):
case O(CREATE,'b'): /* here we create the bitmap */
bitmap_file = optarg;
continue;
+ case O(GROW,4):
case O(BUILD,4):
case O(CREATE,4): /* bitmap chunksize */
bitmap_chunk = strtol(optarg, &c, 10);
/* convert K to B, chunk of 0K means 512B */
bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512;
continue;
+
+ case O(BUILD, 5):
+ case O(CREATE, 5): /* write-behind mode */
+ write_behind = DEFAULT_MAX_WRITE_BEHIND;
+ if (optarg) {
+ write_behind = strtol(optarg, &c, 10);
+ if (write_behind < 0 || *c ||
+ write_behind > 16383) {
+ fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg);
+ exit(2);
+ }
+ }
+ continue;
}
/* We have now processed all the valid options. Anything else is
* an error
}
+ 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';
}
}
+ if (raiddisks) {
+ if (raiddisks > max_disks) {
+ fprintf(stderr, Name ": invalid number of raid devices: %d\n",
+ raiddisks);
+ exit(2);
+ }
+ if (raiddisks == 1 && !force && level != -5) {
+ fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n"
+ " a mistake. If you really mean it you will need to specify --force before\n"
+ " setting the number of drives.\n");
+ exit(2);
+ }
+ }
+ if (sparedisks) {
+ if ( sparedisks > max_disks - raiddisks) {
+ fprintf(stderr, Name ": invalid number of spare-devices: %d\n",
+ sparedisks);
+ exit(2);
+ }
+ }
rv = 0;
switch(mode) {
rv = Manage_ro(devlist->devname, mdfd, readonly);
if (!rv && devs_found>1)
rv = Manage_subdevs(devlist->devname, mdfd,
- devlist->next);
+ devlist->next, verbose-quiet);
if (!rv && readonly < 0)
rv = Manage_ro(devlist->devname, mdfd, readonly);
if (!rv && runstop)
- rv = Manage_runstop(devlist->devname, mdfd, runstop);
+ rv = Manage_runstop(devlist->devname, mdfd, runstop, 0);
break;
case ASSEMBLE:
if (devs_found == 1 && ident.uuid_set == 0 &&
- ident.super_minor == UnSet && !scan ) {
+ 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);
if (array_ident == NULL) {
devlist->devname);
rv |= 1;
} else {
- mdfd = open_mddev(devlist->devname, array_ident->autof);
+ mdfd = open_mddev(devlist->devname,
+ array_ident->autof ? array_ident->autof : autof);
if (mdfd < 0)
rv |= 1;
else {
rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile,
NULL,
- readonly, runstop, update, verbose, force);
+ readonly, runstop, update, verbose-quiet, force);
close(mdfd);
}
}
} else if (!scan)
rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile,
devlist->next,
- readonly, runstop, update, verbose, force);
+ readonly, runstop, update, 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");
rv |= 1;
continue;
}
- mdfd = open_mddev(dv->devname, array_ident->autof);
+ mdfd = open_mddev(dv->devname,
+ array_ident->autof ?array_ident->autof : autof);
if (mdfd < 0) {
rv |= 1;
continue;
}
rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile,
NULL,
- readonly, runstop, update, verbose, force);
+ readonly, runstop, update, verbose-quiet, force);
close(mdfd);
}
} else {
} else
for (; array_list; array_list = array_list->next) {
mdu_array_info_t array;
- mdfd = open_mddev(array_list->devname, array_list->autof);
+ mdfd = open_mddev(array_list->devname,
+ array_list->autof ? array_list->autof : autof);
if (mdfd < 0) {
rv |= 1;
continue;
rv |= Assemble(ss, array_list->devname, mdfd,
array_list, configfile,
NULL,
- readonly, runstop, NULL, verbose, force);
+ readonly, runstop, NULL, verbose-quiet, force);
close(mdfd);
}
}
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 (bitmap_file) {
- bitmap_fd = open(bitmap_file, O_RDWR,0);
- if (bitmap_fd < 0 && errno != ENOENT) {
- perror(Name ": cannot create bitmap file");
+ if (strcmp(bitmap_file, "internal")==0) {
+ fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n");
rv |= 1;
break;
}
- if (bitmap_fd < 0) {
- bitmap_fd = CreateBitmap(bitmap_file, force, NULL,
- bitmap_chunk, delay, size);
- }
}
rv = Build(devlist->devname, mdfd, chunk, level, layout,
raiddisks, devlist->next, assume_clean,
- bitmap_file, bitmap_chunk, delay);
+ bitmap_file, bitmap_chunk, write_behind, delay, verbose-quiet);
break;
case CREATE:
- if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK;
if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
- 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);
+ if (write_behind && !bitmap_file) {
+ fprintf(stderr, Name ": write-behind mode requires a bitmap.\n");
+ rv = 1;
+ break;
}
rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size,
- raiddisks, sparedisks,
- devs_found-1, devlist->next, runstop, verbose, force,
- bitmap_file, bitmap_chunk, delay);
+ raiddisks, sparedisks, ident.name,
+ devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean,
+ bitmap_file, bitmap_chunk, write_behind, delay);
break;
case MISC:
fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
exit(1);
}
- rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust, ss);
+ rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss);
} else {
if (devlist == NULL) {
- if ((devmode == 'S' ||devmode=='D') && scan) {
- /* apply to all devices in /proc/mdstat */
- struct mdstat_ent *ms = mdstat_read(0);
+ if (devmode=='D' && scan) {
+ /* apply --detail to all devices in /proc/mdstat */
+ struct mdstat_ent *ms = mdstat_read(0, 1);
struct mdstat_ent *e;
- if (devmode == 'S') {
- /* reverse order so that arrays made of arrays are stopped properly */
- struct mdstat_ent *sm = NULL;
- while ((e=ms) != NULL) {
- ms = e->next;
- e->next = sm;
- sm = e;
- }
- ms = sm;
- }
for (e=ms ; e ; e=e->next) {
char *name = get_md_name(e->devnum);
e->dev);
continue;
}
- if (devmode == 'D')
- rv |= Detail(name, !verbose, test);
- else if (devmode=='S') {
+ rv |= Detail(name, verbose>1?0:verbose+1, test);
+ put_md_name(name);
+ }
+ } else if (devmode == 'S' && scan) {
+ /* apply --stop to all devices in /proc/mdstat */
+ /* Due to possible stacking of devices, repeat until
+ * nothing more can be stopped
+ */
+ int progress=1, err;
+ int last = 0;
+ do {
+ struct mdstat_ent *ms = mdstat_read(0, 0);
+ struct mdstat_ent *e;
+
+ if (!progress) last = 1;
+ progress = 0; err = 0;
+ for (e=ms ; e ; e=e->next) {
+ char *name = get_md_name(e->devnum);
+
+ if (!name) {
+ fprintf(stderr, Name ": cannot find device file for %s\n",
+ e->dev);
+ continue;
+ }
mdfd = open_mddev(name, 0);
if (mdfd >= 0) {
- rv |= Manage_runstop(name, mdfd, -1);
+ if (Manage_runstop(name, mdfd, -1, !last))
+ err = 1;
+ else
+ progress = 1;
close(mdfd);
}
+
+ put_md_name(name);
}
- put_md_name(name);
- }
- } else {
+ } while (!last && err);
+ if (err) rv |= 1;
+ } else {
fprintf(stderr, Name ": No devices given.\n");
exit(2);
}
for (dv=devlist ; dv; dv=dv->next) {
switch(dv->disposition) {
case 'D':
- rv |= Detail(dv->devname, brief, test); continue;
+ rv |= Detail(dv->devname, brief?1+verbose:0, test); continue;
case 'K': /* Zero superblock */
rv |= Kill(dv->devname, force); continue;
case 'Q':
rv |= Query(dv->devname); continue;
case 'X':
- rv |= ExamineBitmap(dv->devname, brief); continue;
+ rv |= ExamineBitmap(dv->devname, brief, ss); continue;
}
mdfd = open_mddev(dv->devname, 0);
if (mdfd>=0) {
switch(dv->disposition) {
case 'R':
- rv |= Manage_runstop(dv->devname, mdfd, 1); break;
+ rv |= Manage_runstop(dv->devname, mdfd, 1, 0); break;
case 'S':
- rv |= Manage_runstop(dv->devname, mdfd, -1); break;
+ rv |= Manage_runstop(dv->devname, mdfd, -1, 0); break;
case 'o':
rv |= Manage_ro(dv->devname, mdfd, 1); break;
case 'w':
rv |= Manage_ro(dv->devname, mdfd, -1); break;
}
close(mdfd);
- }
+ } else
+ rv |= 1;
}
}
break;
break;
}
rv= Monitor(devlist, mailaddr, program,
- delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile);
+ delay?delay:60, daemonise, scan, oneshot,
+ dosyslog, configfile, test, pidfile);
break;
case GROW:
if (rv)
break;
}
- } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) > 1) {
- fprintf(stderr, Name ": can change at most one of size, raiddisks, and layout\n");
+ } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) {
+ fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n");
rv = 1;
break;
} else if (layout != UnSet)
rv = Manage_reconfig(devlist->devname, mdfd, layout);
else if (size >= 0 || raiddisks)
rv = Manage_resize(devlist->devname, mdfd, size, raiddisks);
- else
+ else if (bitmap_file) {
+ if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
+ rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file,
+ bitmap_chunk, delay, write_behind, force);
+ } else
fprintf(stderr, Name ": no changes to --grow\n");
break;
}
projects / thirdparty / mdadm.git / blobdiff