/*
* 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>
*/
#include "mdadm.h"
#include "md_p.h"
#include <ctype.h>
-int Create(struct supertype *st, char *mddev, int mdfd,
+static int default_layout(struct supertype *st, int level, int verbose)
+{
+ int layout = UnSet;
+
+ if (st && st->ss->default_layout)
+ layout = st->ss->default_layout(level);
+
+ if (layout == UnSet)
+ switch(level) {
+ default: /* no layout */
+ layout = 0;
+ break;
+ case 10:
+ layout = 0x102; /* near=2, far=1 */
+ if (verbose > 0)
+ fprintf(stderr,
+ Name ": layout defaults to n1\n");
+ break;
+ case 5:
+ case 6:
+ layout = map_name(r5layout, "default");
+ if (verbose > 0)
+ fprintf(stderr,
+ Name ": layout defaults to %s\n", map_num(r5layout, layout));
+ break;
+ case LEVEL_FAULTY:
+ layout = map_name(faultylayout, "default");
+
+ if (verbose > 0)
+ fprintf(stderr,
+ Name ": layout defaults to %s\n", map_num(faultylayout, layout));
+ break;
+ }
+
+ return layout;
+}
+
+
+int Create(struct supertype *st, char *mddev,
int chunk, int level, int layout, unsigned long long size, int raiddisks, int sparedisks,
char *name, char *homehost, int *uuid,
int subdevs, mddev_dev_t devlist,
int runstop, int verbose, int force, int assume_clean,
- char *bitmap_file, int bitmap_chunk, int write_behind, int delay)
+ char *bitmap_file, int bitmap_chunk, int write_behind, int delay, int autof)
{
/*
* Create a new raid array.
* if runstop==run, or raiddisks disks were used,
* RUN_ARRAY
*/
+ int mdfd;
unsigned long long minsize=0, maxsize=0;
char *mindisc = NULL;
char *maxdisc = NULL;
int second_missing = subdevs * 2;
int missing_disks = 0;
int insert_point = subdevs * 2; /* where to insert a missing drive */
+ int total_slots;
int pass;
int vers;
int rv;
int bitmap_fd;
+ int have_container = 0;
+ int container_fd = -1;
+ int need_mdmon = 0;
unsigned long long bitmapsize;
- struct mdinfo info;
+ struct mdinfo info, *infos;
+ int did_default = 0;
+ int do_default_layout = 0;
+ unsigned long safe_mode_delay = 0;
+ char chosen_name[1024];
+ struct map_ent *map = NULL;
+ unsigned long long newsize;
int major_num = BITMAP_MAJOR_HI;
memset(&info, 0, sizeof(info));
- vers = md_get_version(mdfd);
- if (vers < 9000) {
- fprintf(stderr, Name ": Create requires md driver version 0.90.0 or later\n");
- return 1;
- } else {
- mdu_array_info_t inf;
- memset(&inf, 0, sizeof(inf));
- ioctl(mdfd, GET_ARRAY_INFO, &inf);
- if (inf.working_disks != 0) {
- fprintf(stderr, Name ": another array by this name"
- " is already running.\n");
- return 1;
- }
+ if (level == UnSet) {
+ /* "ddf" and "imsm" metadata only supports one level - should possibly
+ * push this into metadata handler??
+ */
+ if (st && (st->ss == &super_ddf || st->ss == &super_imsm))
+ level = LEVEL_CONTAINER;
}
+
if (level == UnSet) {
fprintf(stderr,
Name ": a RAID level is needed to create an array.\n");
Name ": This level does not support spare devices\n");
return 1;
}
+
+ if (subdevs == 1 && strcmp(devlist->devname, "missing") != 0) {
+ /* If given a single device, it might be a container, and we can
+ * extract a device list from there
+ */
+ mdu_array_info_t inf;
+ int fd;
+
+ memset(&inf, 0, sizeof(inf));
+ fd = open(devlist->devname, O_RDONLY);
+ if (fd >= 0 &&
+ ioctl(fd, GET_ARRAY_INFO, &inf) == 0 &&
+ inf.raid_disks == 0) {
+ /* yep, looks like a container */
+ if (st) {
+ rv = st->ss->load_super(st, fd,
+ devlist->devname);
+ if (rv == 0)
+ have_container = 1;
+ } else {
+ st = guess_super(fd);
+ if (st && !(rv = st->ss->
+ load_super(st, fd,
+ devlist->devname)))
+ have_container = 1;
+ else
+ st = NULL;
+ }
+ if (have_container) {
+ subdevs = raiddisks;
+ first_missing = subdevs * 2;
+ second_missing = subdevs * 2;
+ insert_point = subdevs * 2;
+ }
+ }
+ if (fd >= 0)
+ close(fd);
+ }
+ if (st && st->ss->external && sparedisks) {
+ fprintf(stderr,
+ Name ": This metadata type does not support "
+ "spare disks at create time\n");
+ return 1;
+ }
if (subdevs > raiddisks+sparedisks) {
fprintf(stderr, Name ": You have listed more devices (%d) than are in the array(%d)!\n", subdevs, raiddisks+sparedisks);
return 1;
}
- if (subdevs < raiddisks+sparedisks) {
+ if (!have_container && subdevs < raiddisks+sparedisks) {
fprintf(stderr, Name ": You haven't given enough devices (real or missing) to create this array\n");
return 1;
}
}
/* now set some defaults */
- if (layout == UnSet)
- switch(level) {
- default: /* no layout */
- layout = 0;
- break;
- case 10:
- layout = 0x102; /* near=2, far=1 */
- if (verbose > 0)
- fprintf(stderr,
- Name ": layout defaults to n1\n");
- break;
- case 5:
- case 6:
- layout = map_name(r5layout, "default");
- if (verbose > 0)
- fprintf(stderr,
- Name ": layout defaults to %s\n", map_num(r5layout, layout));
- break;
- case LEVEL_FAULTY:
- layout = map_name(faultylayout, "default");
- if (verbose > 0)
- fprintf(stderr,
- Name ": layout defaults to %s\n", map_num(faultylayout, layout));
- break;
- }
+
+ if (layout == UnSet) {
+ do_default_layout = 1;
+ layout = default_layout(st, level, verbose);
+ }
if (level == 10)
/* check layout fits in array*/
case 10:
case 6:
case 0:
- case LEVEL_LINEAR: /* linear */
if (chunk == 0) {
+ chunk = 512;
+ if (verbose > 0)
+ fprintf(stderr, Name ": chunk size defaults to 512K\n");
+ }
+ break;
+ case LEVEL_LINEAR:
+ /* a chunksize of zero 0s perfectly valid (and preferred) since 2.6.16 */
+ if (get_linux_version() < 2006016 && chunk == 0) {
chunk = 64;
if (verbose > 0)
fprintf(stderr, Name ": chunk size defaults to 64K\n");
case 1:
case LEVEL_FAULTY:
case LEVEL_MULTIPATH:
+ case LEVEL_CONTAINER:
if (chunk) {
chunk = 0;
if (verbose > 0)
fprintf(stderr, Name ": unknown level %d\n", level);
return 1;
}
+
+ if (size && chunk)
+ size &= ~(unsigned long long)(chunk - 1);
+ newsize = size * 2;
+ if (st && ! st->ss->validate_geometry(st, level, layout, raiddisks,
+ chunk, size*2, NULL, &newsize, verbose>=0))
+ return 1;
+ if (size == 0) {
+ size = newsize / 2;
+ if (size && verbose > 0)
+ fprintf(stderr, Name ": setting size to %lluK\n",
+ (unsigned long long)size);
+ }
/* now look at the subdevs */
info.array.active_disks = 0;
info.array.working_disks = 0;
dnum = 0;
- for (dv=devlist; dv; dv=dv->next, dnum++) {
+ for (dv=devlist; dv && !have_container; dv=dv->next, dnum++) {
char *dname = dv->devname;
- unsigned long long ldsize, freesize;
- int fd;
+ unsigned long long freesize;
if (strcasecmp(dname, "missing")==0) {
if (first_missing > dnum)
first_missing = dnum;
info.array.working_disks++;
if (dnum < raiddisks)
info.array.active_disks++;
- fd = open(dname, O_RDONLY|O_EXCL);
- if (fd <0 ) {
- fprintf(stderr, Name ": Cannot open %s: %s\n",
- dname, strerror(errno));
- fail=1;
- continue;
- }
- if (!get_dev_size(fd, dname, &ldsize)) {
- fail = 1;
- close(fd);
- continue;
- }
if (st == NULL) {
struct createinfo *ci = conf_get_create_info();
if (ci)
}
if (st == NULL) {
/* Need to choose a default metadata, which is different
- * depending on the sizes of devices
+ * depending on geometry of array.
*/
int i;
char *name = "default";
- if (level >= 1 && ldsize > (0x7fffffffULL<<10))
- name = "default/large";
- for(i=0; !st && superlist[i]; i++)
+ for(i=0; !st && superlist[i]; i++) {
st = superlist[i]->match_metadata_desc(name);
+ if (do_default_layout)
+ layout = default_layout(st, level, verbose);
+ if (st && !st->ss->validate_geometry
+ (st, level, layout, raiddisks,
+ chunk, size*2, dname, &freesize,
+ verbose > 0))
+ st = NULL;
+ }
if (!st) {
- fprintf(stderr, Name ": internal error - no default metadata style\n");
+ fprintf(stderr, Name ": device %s not suitable "
+ "for any style of array\n",
+ dname);
exit(2);
}
- if (st->ss->major != 0 ||
+ if (st->ss != &super0 ||
st->minor_version != 90)
- fprintf(stderr, Name ": Defaulting to version"
- " %d.%d metadata\n",
- st->ss->major,
- st->minor_version);
- }
- freesize = st->ss->avail_size(st, ldsize >> 9);
- if (freesize == 0) {
- fprintf(stderr, Name ": %s is too small: %luK\n",
- dname, (unsigned long)(ldsize>>10));
- fail = 1;
- close(fd);
- continue;
+ did_default = 1;
+ } else {
+ if (do_default_layout)
+ layout = default_layout(st, level, verbose);
+ if (!st->ss->validate_geometry(st, level, layout,
+ raiddisks,
+ chunk, size*2, dname,
+ &freesize,
+ verbose >= 0)) {
+
+ fprintf(stderr,
+ Name ": %s is not suitable for "
+ "this array.\n",
+ dname);
+ fail = 1;
+ continue;
+ }
}
freesize /= 2; /* convert to K */
}
if (size && freesize < size) {
- fprintf(stderr, Name ": %s is smaller that given size."
- " %lluK < %lluK + superblock\n", dname, freesize, size);
+ fprintf(stderr, Name ": %s is smaller than given size."
+ " %lluK < %lluK + metadata\n",
+ dname, freesize, size);
fail = 1;
- close(fd);
continue;
}
if (maxdisc == NULL || (maxdisc && freesize > maxsize)) {
minsize = freesize;
}
if (runstop != 1 || verbose >= 0) {
+ int fd = open(dname, O_RDONLY);
+ if (fd <0 ) {
+ fprintf(stderr, Name ": Cannot open %s: %s\n",
+ dname, strerror(errno));
+ fail=1;
+ continue;
+ }
warn |= check_ext2(fd, dname);
warn |= check_reiser(fd, dname);
warn |= check_raid(fd, dname);
+ if (strcmp(st->ss->name, "1.x") == 0 &&
+ st->minor_version >= 1)
+ /* metadata at front */
+ warn |= check_partitions(fd, dname, 0);
+ else if (level == 1 || level == LEVEL_CONTAINER)
+ /* partitions could be meaningful */
+ warn |= check_partitions(fd, dname, freesize*2);
+ else
+ /* partitions cannot be meaningful */
+ warn |= check_partitions(fd, dname, 0);
+ if (strcmp(st->ss->name, "1.x") == 0 &&
+ st->minor_version >= 1 &&
+ did_default &&
+ level == 1 &&
+ (warn & 1024) == 0) {
+ warn |= 1024;
+ fprintf(stderr, Name ": Note: this array has metadata at the start and\n"
+ " may not be suitable as a boot device. If you plan to\n"
+ " store '/boot' on this device please ensure that\n"
+ " your boot-loader understands md/v1.x metadata, or use\n"
+ " --metadata=0.90\n");
+ }
+ close(fd);
}
- close(fd);
}
+ if (have_container)
+ info.array.working_disks = raiddisks;
if (fail) {
fprintf(stderr, Name ": create aborted\n");
return 1;
}
if (size == 0) {
- if (mindisc == NULL) {
+ if (mindisc == NULL && !have_container) {
fprintf(stderr, Name ": no size and no drives given - aborting create.\n");
return 1;
}
- if (level > 0 || level == LEVEL_MULTIPATH || level == LEVEL_FAULTY) {
+ if (level > 0 || level == LEVEL_MULTIPATH
+ || level == LEVEL_FAULTY
+ || st->ss->external ) {
/* size is meaningful */
- if (minsize > 0x100000000ULL && st->ss->major == 0) {
+ if (!st->ss->validate_geometry(st, level, layout,
+ raiddisks,
+ chunk, minsize*2,
+ NULL, NULL, 0)) {
fprintf(stderr, Name ": devices too large for RAID level %d\n", level);
return 1;
}
fprintf(stderr, Name ": size set to %lluK\n", size);
}
}
- if (level > 0 && ((maxsize-size)*100 > maxsize)) {
+ if (!have_container && level > 0 && ((maxsize-size)*100 > maxsize)) {
if (runstop != 1 || verbose >= 0)
- fprintf(stderr, Name ": largest drive (%s) exceed size (%lluK) by more than 1%%\n",
+ fprintf(stderr, Name ": largest drive (%s) exceeds size (%lluK) by more than 1%%\n",
maxdisc, size);
warn = 1;
}
+ if (st->ss->detail_platform && st->ss->detail_platform(0, 1) != 0) {
+ if (runstop != 1 || verbose >= 0)
+ fprintf(stderr, Name ": %s unable to enumerate platform support\n"
+ " array may not be compatible with hardware/firmware\n",
+ st->ss->name);
+ warn = 1;
+ }
+
if (warn) {
if (runstop!= 1) {
if (!ask("Continue creating array? ")) {
* as missing, so that a reconstruct happens (faster than re-parity)
* FIX: Can we do this for raid6 as well?
*/
- if (assume_clean==0 && force == 0 && first_missing >= raiddisks) {
+ if (st->ss->external == 0 &&
+ assume_clean==0 && force == 0 && first_missing >= raiddisks) {
switch ( level ) {
case 4:
case 5:
* into a spare, else the create will fail
*/
if (assume_clean == 0 && force == 0 && first_missing < raiddisks &&
+ st->ss->external == 0 &&
second_missing >= raiddisks && level == 6) {
insert_point = raiddisks - 1;
if (insert_point == first_missing)
missing_disks++;
}
- if (level <= 0 && first_missing != subdevs * 2) {
+ if (level <= 0 && first_missing < subdevs * 2) {
fprintf(stderr,
Name ": This level does not support missing devices\n");
return 1;
}
+ /* We need to create the device */
+ map_lock(&map);
+ mdfd = create_mddev(mddev, name, autof, LOCAL, chosen_name);
+ if (mdfd < 0)
+ return 1;
+ mddev = chosen_name;
+
+ vers = md_get_version(mdfd);
+ if (vers < 9000) {
+ fprintf(stderr, Name ": Create requires md driver version 0.90.0 or later\n");
+ goto abort;
+ } else {
+ mdu_array_info_t inf;
+ memset(&inf, 0, sizeof(inf));
+ ioctl(mdfd, GET_ARRAY_INFO, &inf);
+ if (inf.working_disks != 0) {
+ fprintf(stderr, Name ": another array by this name"
+ " is already running.\n");
+ goto abort;
+ }
+ }
+
/* Ok, lets try some ioctls */
info.array.level = level;
( level == 6 && (insert_point < raiddisks
|| second_missing < raiddisks))
||
+ ( level <= 0 )
+ ||
assume_clean
- )
+ ) {
info.array.state = 1; /* clean, but one+ drive will be missing*/
- else
+ info.resync_start = MaxSector;
+ } else {
info.array.state = 0; /* not clean, but no errors */
-
+ info.resync_start = 0;
+ }
if (level == 10) {
/* for raid10, the bitmap size is the capacity of the array,
* which is array.size * raid_disks / ncopies;
+ info.array.failed_disks;
info.array.layout = layout;
info.array.chunk_size = chunk*1024;
- info.array.major_version = st->ss->major;
if (name == NULL || *name == 0) {
/* base name on mddev */
* /dev/md/home -> home
* /dev/mdhome -> home
*/
+ /* FIXME compare this with rules in create_mddev */
name = strrchr(mddev, '/');
if (name) {
name++;
}
}
if (!st->ss->init_super(st, &info.array, size, name, homehost, uuid))
- return 1;
+ goto abort;
+
+ total_slots = info.array.nr_disks;
+ sysfs_init(&info, mdfd, 0);
+ st->ss->getinfo_super(st, &info);
+
+ if (did_default && verbose >= 0) {
+ if (is_subarray(info.text_version)) {
+ int dnum = devname2devnum(info.text_version+1);
+ char *path;
+ int mdp = get_mdp_major();
+ struct mdinfo *mdi;
+ if (dnum > 0)
+ path = map_dev(MD_MAJOR, dnum, 1);
+ else
+ path = map_dev(mdp, (-1-dnum)<< 6, 1);
+
+ mdi = sysfs_read(-1, dnum, GET_VERSION);
+
+ fprintf(stderr, Name ": Creating array inside "
+ "%s container %s\n",
+ mdi?mdi->text_version:"managed", path);
+ sysfs_free(mdi);
+ } else
+ fprintf(stderr, Name ": Defaulting to version"
+ " %s metadata\n", info.text_version);
+ }
+
+ map_update(&map, fd2devnum(mdfd), info.text_version,
+ info.uuid, chosen_name);
+ map_unlock(&map);
if (bitmap_file && vers < 9003) {
major_num = BITMAP_MAJOR_HOSTENDIAN;
if (bitmap_file && strcmp(bitmap_file, "internal")==0) {
if ((vers%100) < 2) {
fprintf(stderr, Name ": internal bitmaps not supported by this kernel.\n");
- return 1;
+ goto abort;
+ }
+ if (!st->ss->add_internal_bitmap) {
+ fprintf(stderr, Name ": internal bitmaps not supported with %s metadata\n",
+ st->ss->name);
+ goto abort;
}
if (!st->ss->add_internal_bitmap(st, &bitmap_chunk,
delay, write_behind,
bitmapsize, 1, major_num)) {
fprintf(stderr, Name ": Given bitmap chunk size not supported.\n");
- return 1;
+ goto abort;
}
bitmap_file = NULL;
}
+ sysfs_init(&info, mdfd, 0);
- if ((vers % 100) >= 1) { /* can use different versions */
- mdu_array_info_t inf;
- memset(&inf, 0, sizeof(inf));
- inf.major_version = st->ss->major;
- inf.minor_version = st->minor_version;
- rv = ioctl(mdfd, SET_ARRAY_INFO, &inf);
- } else
- rv = ioctl(mdfd, SET_ARRAY_INFO, NULL);
+ if (st->ss->external && st->subarray[0]) {
+ /* member */
+
+ /* When creating a member, we need to be careful
+ * to negotiate with mdmon properly.
+ * If it is already running, we cannot write to
+ * the devices and must ask it to do that part.
+ * If it isn't running, we write to the devices,
+ * and then start it.
+ * We hold an exclusive open on the container
+ * device to make sure mdmon doesn't exit after
+ * we checked that it is running.
+ *
+ * For now, fail if it is already running.
+ */
+ container_fd = open_dev_excl(st->container_dev);
+ if (container_fd < 0) {
+ fprintf(stderr, Name ": Cannot get exclusive "
+ "open on container - weird.\n");
+ goto abort;
+ }
+ if (mdmon_running(st->container_dev)) {
+ if (verbose)
+ fprintf(stderr, Name ": reusing mdmon "
+ "for %s.\n",
+ devnum2devname(st->container_dev));
+ st->update_tail = &st->updates;
+ } else
+ need_mdmon = 1;
+ }
+ rv = set_array_info(mdfd, st, &info);
if (rv) {
- fprintf(stderr, Name ": SET_ARRAY_INFO failed for %s: %s\n",
+ fprintf(stderr, Name ": failed to set array info for %s: %s\n",
mddev, strerror(errno));
- return 1;
+ goto abort;
}
if (bitmap_file) {
delay, write_behind,
bitmapsize,
major_num)) {
- return 1;
+ goto abort;
}
bitmap_fd = open(bitmap_file, O_RDWR);
if (bitmap_fd < 0) {
fprintf(stderr, Name ": weird: %s cannot be openned\n",
bitmap_file);
- return 1;
+ goto abort;
}
if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) {
fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n",
mddev, strerror(errno));
- return 1;
+ goto abort;
}
}
-
+ infos = malloc(sizeof(*infos) * total_slots);
for (pass=1; pass <=2 ; pass++) {
mddev_dev_t moved_disk = NULL; /* the disk that was moved out of the insert point */
dv=(dv->next)?(dv->next):moved_disk, dnum++) {
int fd;
struct stat stb;
+ struct mdinfo *inf = &infos[dnum];
- info.disk.number = dnum;
+ if (dnum >= total_slots)
+ abort();
if (dnum == insert_point) {
moved_disk = dv;
+ continue;
}
- info.disk.raid_disk = info.disk.number;
- if (info.disk.raid_disk < raiddisks)
- info.disk.state = (1<<MD_DISK_ACTIVE) |
+ if (strcasecmp(dv->devname, "missing")==0)
+ continue;
+ if (have_container)
+ moved_disk = NULL;
+ if (have_container && dnum < info.array.raid_disks - 1)
+ /* repeatedly use the container */
+ moved_disk = dv;
+
+ switch(pass) {
+ case 1:
+ *inf = info;
+
+ inf->disk.number = dnum;
+ inf->disk.raid_disk = dnum;
+ if (inf->disk.raid_disk < raiddisks)
+ inf->disk.state = (1<<MD_DISK_ACTIVE) |
(1<<MD_DISK_SYNC);
- else
- info.disk.state = 0;
- if (dv->writemostly == 1)
- info.disk.state |= (1<<MD_DISK_WRITEMOSTLY);
-
- if (dnum == insert_point ||
- strcasecmp(dv->devname, "missing")==0) {
- info.disk.major = 0;
- info.disk.minor = 0;
- info.disk.state = (1<<MD_DISK_FAULTY);
- } else {
- fd = open(dv->devname, O_RDONLY|O_EXCL);
- if (fd < 0) {
- fprintf(stderr, Name ": failed to open %s after earlier success - aborting\n",
- dv->devname);
- return 1;
+ else
+ inf->disk.state = 0;
+
+ if (dv->writemostly == 1)
+ inf->disk.state |= (1<<MD_DISK_WRITEMOSTLY);
+
+ if (have_container)
+ fd = -1;
+ else {
+ if (st->ss->external && st->subarray[0])
+ fd = open(dv->devname, O_RDWR);
+ else
+ fd = open(dv->devname, O_RDWR|O_EXCL);
+
+ if (fd < 0) {
+ fprintf(stderr, Name ": failed to open %s "
+ "after earlier success - aborting\n",
+ dv->devname);
+ goto abort;
+ }
+ fstat(fd, &stb);
+ inf->disk.major = major(stb.st_rdev);
+ inf->disk.minor = minor(stb.st_rdev);
+ }
+ if (fd >= 0)
+ remove_partitions(fd);
+ if (st->ss->add_to_super(st, &inf->disk,
+ fd, dv->devname)) {
+ ioctl(mdfd, STOP_ARRAY, NULL);
+ goto abort;
+ }
+ st->ss->getinfo_super(st, inf);
+ safe_mode_delay = inf->safe_mode_delay;
+
+ if (have_container && verbose > 0)
+ fprintf(stderr, Name ": Using %s for device %d\n",
+ map_dev(inf->disk.major,
+ inf->disk.minor,
+ 0), dnum);
+
+ if (!have_container) {
+ /* getinfo_super might have lost these ... */
+ inf->disk.major = major(stb.st_rdev);
+ inf->disk.minor = minor(stb.st_rdev);
}
- fstat(fd, &stb);
- info.disk.major = major(stb.st_rdev);
- info.disk.minor = minor(stb.st_rdev);
- remove_partitions(fd);
- close(fd);
- }
- switch(pass){
- case 1:
- st->ss->add_to_super(st, &info.disk);
break;
case 2:
- if (info.disk.state == 1) break;
- Kill(dv->devname, 0, 1); /* Just be sure it is clean */
- Kill(dv->devname, 0, 1); /* and again, there could be two superblocks */
- st->ss->write_init_super(st, &info.disk,
- dv->devname);
-
- if (ioctl(mdfd, ADD_NEW_DISK, &info.disk)) {
- fprintf(stderr, Name ": ADD_NEW_DISK for %s failed: %s\n",
+ inf->errors = 0;
+ rv = 0;
+
+ rv = add_disk(mdfd, st, &info, inf);
+
+ if (rv) {
+ fprintf(stderr,
+ Name ": ADD_NEW_DISK for %s "
+ "failed: %s\n",
dv->devname, strerror(errno));
st->ss->free_super(st);
- return 1;
+ goto abort;
}
-
break;
}
- if (dv == moved_disk && dnum != insert_point) break;
+ if (!have_container &&
+ dv == moved_disk && dnum != insert_point) break;
+ }
+ if (pass == 1) {
+ struct mdinfo info_new;
+ struct map_ent *me = NULL;
+
+ /* check to see if the uuid has changed due to these
+ * metadata changes, and if so update the member array
+ * and container uuid. Note ->write_init_super clears
+ * the subarray cursor such that ->getinfo_super once
+ * again returns container info.
+ */
+ map_lock(&map);
+ st->ss->getinfo_super(st, &info_new);
+ if (st->ss->external && level != LEVEL_CONTAINER &&
+ !same_uuid(info_new.uuid, info.uuid, 0)) {
+ map_update(&map, fd2devnum(mdfd),
+ info_new.text_version,
+ info_new.uuid, chosen_name);
+ me = map_by_devnum(&map, st->container_dev);
+ }
+
+ st->ss->write_init_super(st);
+
+ /* update parent container uuid */
+ if (me) {
+ char *path = strdup(me->path);
+
+ st->ss->getinfo_super(st, &info_new);
+ map_update(&map, st->container_dev,
+ info_new.text_version,
+ info_new.uuid, path);
+ free(path);
+ }
+ map_unlock(&map);
+
+ flush_metadata_updates(st);
}
}
+ free(infos);
st->ss->free_super(st);
- /* param is not actually used */
- if (runstop == 1 || subdevs >= raiddisks) {
- mdu_param_t param;
- if (ioctl(mdfd, RUN_ARRAY, ¶m)) {
- fprintf(stderr, Name ": RUN_ARRAY failed: %s\n",
- strerror(errno));
- Manage_runstop(mddev, mdfd, -1, 0);
- return 1;
+ if (level == LEVEL_CONTAINER) {
+ /* No need to start. But we should signal udev to
+ * create links */
+ sysfs_uevent(&info, "change");
+ if (verbose >= 0)
+ fprintf(stderr, Name ": container %s prepared.\n", mddev);
+ wait_for(chosen_name, mdfd);
+ } else if (runstop == 1 || subdevs >= raiddisks) {
+ if (st->ss->external) {
+ switch(level) {
+ case LEVEL_LINEAR:
+ case LEVEL_MULTIPATH:
+ case 0:
+ sysfs_set_str(&info, NULL, "array_state",
+ "active");
+ need_mdmon = 0;
+ break;
+ default:
+ sysfs_set_str(&info, NULL, "array_state",
+ "readonly");
+ break;
+ }
+ sysfs_set_safemode(&info, safe_mode_delay);
+ } else {
+ /* param is not actually used */
+ mdu_param_t param;
+ if (ioctl(mdfd, RUN_ARRAY, ¶m)) {
+ fprintf(stderr, Name ": RUN_ARRAY failed: %s\n",
+ strerror(errno));
+ ioctl(mdfd, STOP_ARRAY, NULL);
+ goto abort;
+ }
}
if (verbose >= 0)
fprintf(stderr, Name ": array %s started.\n", mddev);
+ if (st->ss->external && st->subarray[0]) {
+ if (need_mdmon)
+ start_mdmon(st->container_dev);
+
+ ping_monitor(devnum2devname(st->container_dev));
+ close(container_fd);
+ }
+ wait_for(chosen_name, mdfd);
} else {
fprintf(stderr, Name ": not starting array - not enough devices.\n");
}
+ close(mdfd);
return 0;
+
+ abort:
+ map_lock(&map);
+ map_remove(&map, fd2devnum(mdfd));
+ map_unlock(&map);
+
+ if (mdfd >= 0)
+ close(mdfd);
+ return 1;
}