/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2016 Neil Brown <neilb@suse.com>
*
*
* This program is free software; you can redistribute it and/or modify
pr_err("%s is a container, but we are looking for components\n",
devname);
tmpdev->used = 2;
-#if !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO)
} if (!tst && (tst = super_by_fd(dfd, NULL)) == NULL) {
if (report_mismatch)
pr_err("not a recognisable container: %s\n",
devname);
tmpdev->used = 2;
-#endif
} else if (!tst->ss->load_container
|| tst->ss->load_container(tst, dfd, NULL)) {
if (report_mismatch)
struct mddev_dev *tmpdev;
int devcnt = 0;
int nextspare = 0;
-#ifndef MDASSEMBLE
int bitmap_done = 0;
-#endif
int most_recent = -1;
int bestcnt = 0;
int *best = *bestp;
if (tmpdev->used != 1)
continue;
/* looks like a good enough match to update the super block if needed */
-#ifndef MDASSEMBLE
if (c->update) {
/* prepare useful information in info structures */
struct stat stb2;
int err;
fstat(mdfd, &stb2);
- if (strcmp(c->update, "uuid")==0 &&
- !ident->uuid_set) {
- int rfd;
- if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
- read(rfd, ident->uuid, 16) != 16) {
- *(__u32*)(ident->uuid) = random();
- *(__u32*)(ident->uuid+1) = random();
- *(__u32*)(ident->uuid+2) = random();
- *(__u32*)(ident->uuid+3) = random();
- }
- if (rfd >= 0) close(rfd);
+ if (strcmp(c->update, "uuid") == 0 && !ident->uuid_set)
+ random_uuid((__u8 *)ident->uuid);
+
+ if (strcmp(c->update, "ppl") == 0 &&
+ ident->bitmap_fd >= 0) {
+ pr_err("PPL is not compatible with bitmap\n");
+ return -1;
}
+
dfd = dev_open(devname,
tmpdev->disposition == 'I'
? O_RDWR : (O_RDWR|O_EXCL));
} else if (strcmp(c->update, "nodes") == 0) {
tst->nodes = c->nodes;
err = tst->ss->write_bitmap(tst, dfd, NodeNumUpdate);
- } else
+ } else if (strcmp(c->update, "revert-reshape") == 0 &&
+ c->invalid_backup)
+ err = tst->ss->update_super(tst, content,
+ "revert-reshape-nobackup",
+ devname, c->verbose,
+ ident->uuid_set,
+ c->homehost);
+ else
err = tst->ss->update_super(tst, content, c->update,
devname, c->verbose,
ident->uuid_set,
else
bitmap_done = 1;
}
- } else
-#endif
- {
+ } else {
dfd = dev_open(devname,
tmpdev->disposition == 'I'
? O_RDWR : (O_RDWR|O_EXCL));
i = devcnt;
else
i = devices[devcnt].i.disk.raid_disk;
- if (i+1 == 0) {
+ if (i+1 == 0 || i == MD_DISK_ROLE_JOURNAL) {
if (nextspare < content->array.raid_disks*2)
nextspare = content->array.raid_disks*2;
i = nextspare++;
avail[chosen_drive] = 1;
okcnt++;
tst->ss->free_super(tst);
-
/* If there are any other drives of the same vintage,
* add them in as well. We can't lose and we might gain
*/
unsigned int okcnt,
unsigned int sparecnt,
unsigned int rebuilding_cnt,
+ unsigned int journalcnt,
struct context *c,
int clean, char *avail,
int start_partial_ok,
int i;
unsigned int req_cnt;
+ if (content->journal_device_required && (content->journal_clean == 0)) {
+ if (!c->force) {
+ pr_err("Not safe to assemble with missing or stale journal device, consider --force.\n");
+ return 1;
+ }
+ pr_err("Journal is missing or stale, starting array read only.\n");
+ c->readonly = 1;
+ }
+
+ if (content->consistency_policy == CONSISTENCY_POLICY_PPL)
+ clean = 1;
+
rv = set_array_info(mdfd, st, content);
if (rv && !err_ok) {
pr_err("failed to set array info for %s: %s\n",
if (content->array.level == LEVEL_CONTAINER) {
if (c->verbose >= 0) {
pr_err("Container %s has been assembled with %d drive%s",
- mddev, okcnt+sparecnt, okcnt+sparecnt==1?"":"s");
+ mddev, okcnt+sparecnt+journalcnt,
+ okcnt+sparecnt+journalcnt==1?"":"s");
if (okcnt < (unsigned)content->array.raid_disks)
fprintf(stderr, " (out of %d)",
content->array.raid_disks);
* it read-only and let the grow code make it writable.
*/
int rv;
-#ifndef MDASSEMBLE
if (content->reshape_active &&
!(content->reshape_active & RESHAPE_NO_BACKUP) &&
content->delta_disks <= 0) {
rv = sysfs_set_str(content, NULL,
"array_state", "readonly");
} else
-#endif
rv = ioctl(mdfd, RUN_ARRAY, NULL);
reopen_mddev(mdfd); /* drop O_EXCL */
if (rv == 0) {
fprintf(stderr, "%s %d rebuilding", sparecnt?",":" and", rebuilding_cnt);
if (sparecnt)
fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
+ if (content->journal_clean)
+ fprintf(stderr, " and %d journal", journalcnt);
fprintf(stderr, ".\n");
}
if (content->reshape_active &&
int *best = NULL; /* indexed by raid_disk */
int bestcnt = 0;
int devcnt;
- unsigned int okcnt, sparecnt, rebuilding_cnt, replcnt;
+ unsigned int okcnt, sparecnt, rebuilding_cnt, replcnt, journalcnt;
+ int journal_clean = 0;
int i;
int was_forced = 0;
int most_recent = 0;
return 1;
}
mddev = chosen_name;
- if (get_linux_version() < 2004000 ||
- md_get_version(mdfd) < 9000) {
+ if (get_linux_version() < 2004000) {
pr_err("Assemble requires Linux 2.4 or later, and\n"
" md driver version 0.90.0 or later.\n"
" Upgrade your kernel or try --build\n");
ioctl(mdfd, STOP_ARRAY, NULL);
}
-#ifndef MDASSEMBLE
if (content != &info) {
/* This is a member of a container. Try starting the array. */
int err;
close(mdfd);
return err;
}
-#endif
+
/* Ok, no bad inconsistancy, we can try updating etc */
devices = xcalloc(num_devs, sizeof(*devices));
devmap = xcalloc(num_devs, content->array.raid_disks);
okcnt = 0;
replcnt = 0;
sparecnt=0;
+ journalcnt=0;
rebuilding_cnt=0;
for (i=0; i< bestcnt; i++) {
int j = best[i];
/* note: we ignore error flags in multipath arrays
* as they don't make sense
*/
- if (content->array.level != LEVEL_MULTIPATH)
- if (!(devices[j].i.disk.state & (1<<MD_DISK_ACTIVE))) {
+ if (content->array.level != LEVEL_MULTIPATH) {
+ if (devices[j].i.disk.state & (1<<MD_DISK_JOURNAL)) {
+ if (content->journal_device_required)
+ journalcnt++;
+ else /* unexpected journal, mark as faulty */
+ devices[j].i.disk.state |= (1<<MD_DISK_FAULTY);
+ } else if (!(devices[j].i.disk.state & (1<<MD_DISK_ACTIVE))) {
if (!(devices[j].i.disk.state
& (1<<MD_DISK_FAULTY))) {
devices[j].uptodate = 1;
}
continue;
}
+ }
/* If this device thinks that 'most_recent' has failed, then
* we must reject this device.
*/
devices[most_recent].i.events
) {
devices[j].uptodate = 1;
+ if (devices[j].i.disk.state & (1<<MD_DISK_JOURNAL))
+ journal_clean = 1;
if (i < content->array.raid_disks * 2) {
if (devices[j].i.recovery_start == MaxSector ||
(content->reshape_active &&
replcnt++;
} else
rebuilding_cnt++;
- } else
+ } else if (devices[j].i.disk.raid_disk != MD_DISK_ROLE_JOURNAL)
sparecnt++;
}
}
return 1;
}
st->ss->getinfo_super(st, content, NULL);
-#ifndef MDASSEMBLE
- sysfs_init(content, mdfd, NULL);
-#endif
+ if (sysfs_init(content, mdfd, NULL)) {
+ pr_err("Unable to initialize sysfs\n");
+ close(mdfd);
+ free(devices);
+ return 1;
+ }
+
+ /* after reload context, store journal_clean in context */
+ content->journal_clean = journal_clean;
for (i=0; i<bestcnt; i++) {
int j = best[i];
unsigned int desired_state;
- if (i >= content->array.raid_disks * 2)
+ if (devices[j].i.disk.raid_disk == MD_DISK_ROLE_JOURNAL)
+ desired_state = (1<<MD_DISK_JOURNAL);
+ else if (i >= content->array.raid_disks * 2)
desired_state = 0;
else if (i & 1)
desired_state = (1<<MD_DISK_ACTIVE) | (1<<MD_DISK_REPLACEMENT);
* that was moved aside due to the reshape overwriting live data
* The code of doing this lives in Grow.c
*/
-#ifndef MDASSEMBLE
if (content->reshape_active &&
!(content->reshape_active & RESHAPE_NO_BACKUP)) {
int err = 0;
return err;
}
}
-#endif
/* Almost ready to actually *do* something */
/* First, fill in the map, so that udev can find our name
rv = start_array(mdfd, mddev, content,
st, ident, best, bestcnt,
chosen_drive, devices, okcnt, sparecnt,
- rebuilding_cnt,
+ rebuilding_cnt, journalcnt,
c,
clean, avail, start_partial_ok,
pre_exist != NULL,
return rv == 2 ? 0 : rv;
}
-#ifndef MDASSEMBLE
int assemble_container_content(struct supertype *st, int mdfd,
struct mdinfo *content, struct context *c,
char *chosen_name, int *result)
struct mdinfo *dev, *sra, *dev2;
int working = 0, preexist = 0;
int expansion = 0;
- struct map_ent *map = NULL;
int old_raid_disks;
int start_reshape;
- char *avail = NULL;
+ char *avail;
int err;
- sysfs_init(content, mdfd, NULL);
+ if (sysfs_init(content, mdfd, NULL)) {
+ pr_err("Unable to initialize sysfs\n");
+ return 1;
+ }
sra = sysfs_read(mdfd, NULL, GET_VERSION|GET_DEVS);
if (sra == NULL || strcmp(sra->text_version, content->text_version) != 0) {
c->readonly &&
content->text_version[0] == '/')
content->text_version[0] = '-';
- if (sysfs_set_array(content, md_get_version(mdfd)) != 0) {
- if (sra)
- sysfs_free(sra);
+ if (sysfs_set_array(content, 9003) != 0) {
+ sysfs_free(sra);
return 1;
}
}
free(avail);
return 1;/* Nothing new, don't try to start */
}
- map_update(&map, fd2devnm(mdfd),
- content->text_version,
+ map_update(NULL, fd2devnm(mdfd), content->text_version,
content->uuid, chosen_name);
+ if (content->consistency_policy == CONSISTENCY_POLICY_PPL &&
+ st->ss->validate_ppl) {
+ content->array.state |= 1;
+ err = 0;
+
+ for (dev = content->devs; dev; dev = dev->next) {
+ int dfd;
+ char *devpath;
+ int ret;
+
+ ret = st->ss->validate_ppl(st, content, dev);
+ if (ret == 0)
+ continue;
+
+ if (ret < 0) {
+ err = 1;
+ break;
+ }
+
+ if (!c->force) {
+ pr_err("%s contains invalid PPL - consider --force or --update-subarray with --update=no-ppl\n",
+ chosen_name);
+ content->array.state &= ~1;
+ avail[dev->disk.raid_disk] = 0;
+ break;
+ }
+
+ /* have --force - overwrite the invalid ppl */
+ devpath = map_dev(dev->disk.major, dev->disk.minor, 0);
+ dfd = dev_open(devpath, O_RDWR);
+ if (dfd < 0) {
+ pr_err("Failed to open %s\n", devpath);
+ err = 1;
+ break;
+ }
+
+ err = st->ss->write_init_ppl(st, content, dfd);
+ close(dfd);
+
+ if (err)
+ break;
+ }
+
+ if (err) {
+ free(avail);
+ return err;
+ }
+ }
if (enough(content->array.level, content->array.raid_disks,
content->array.layout, content->array.state & 1, avail) == 0) {
return err;
/* FIXME should have an O_EXCL and wait for read-auto */
}
-#endif
projects / thirdparty / mdadm.git / blobdiff