/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2002 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2002-2006 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
int vers;
int ioctlerr;
int superror, superrno;
- mdp_super_t super;
+ struct mdinfo info;
mdu_array_info_t array;
+ void *super;
+ struct supertype *st = NULL;
+
unsigned long long larray_size;
- unsigned long array_size;
struct stat stb;
char *mddev;
mdu_disk_info_t disc;
if (ioctl(fd, GET_ARRAY_INFO, &array)<0)
ioctlerr = errno;
else ioctlerr = 0;
- superror = load_super(fd, &super);
- superrno = errno;
fstat(fd, &stb);
if (vers>=9000 && !ioctlerr) {
-#ifdef BLKGETSIZE64
- if (ioctl(fd, BLKGETSIZE64, &larray_size)==0)
- ;
- else
-#endif
- if (ioctl(fd, BLKGETSIZE, &array_size)==0) {
- larray_size = array_size;
- larray_size <<= 9;
- } else larray_size = 0;
+ if (!get_dev_size(fd, NULL, &larray_size))
+ larray_size = 0;
}
- close(fd);
if (vers < 0)
printf("%s: is not an md array\n", dev);
array.raid_disks,
array.spare_disks, array.spare_disks==1?"":"s");
}
- switch(superror) {
- case 1:
- printf("%s: cannot find device size: %s\n",
- dev, strerror(superrno));
- break;
- case 2:
- printf("%s: is too small to be an md component.\n",
- dev);
- break;
- case 3:
- printf("%s: Cannot seek to superblock: %s\n",
- dev, strerror(superrno));
- break;
- case 4:
- printf("%s: Cannot read md superblock.\n",
- dev);
- break;
- case 5:
- printf("%s: No md super block found, not an md component.\n",
- dev);
- break;
- case 6:
- printf("%s: md superblock present with wrong version: %d\n",
- dev, super.major_version);
- break;
- default:
+ st = guess_super(fd);
+ if (st) {
+ superror = st->ss->load_super(st, fd, &super, dev);
+ superrno = errno;
+ } else
+ superror = -1;
+ close(fd);
+ if (superror == 0) {
/* array might be active... */
- mddev = get_md_name(super.md_minor);
- disc.number = super.this_disk.number;
- activity = "inactive";
- if (mddev && (fd = open(mddev, O_RDONLY))>=0) {
- if (md_get_version(fd) >= 9000 &&
- ioctl(fd, GET_ARRAY_INFO, &array)>= 0) {
- if (ioctl(fd, GET_DISK_INFO, &disc) >= 0 &&
- makedev((unsigned)disc.major,(unsigned)disc.minor) == stb.st_rdev)
- activity = "active";
- else
- activity = "mismatch";
+ st->ss->getinfo_super(&info, super);
+ if (st->ss->major == 0) {
+ mddev = get_md_name(info.array.md_minor);
+ disc.number = info.disk.number;
+ activity = "undetected";
+ if (mddev && (fd = open(mddev, O_RDONLY))>=0) {
+ if (md_get_version(fd) >= 9000 &&
+ ioctl(fd, GET_ARRAY_INFO, &array)>= 0) {
+ if (ioctl(fd, GET_DISK_INFO, &disc) >= 0 &&
+ makedev((unsigned)disc.major,(unsigned)disc.minor) == stb.st_rdev)
+ activity = "active";
+ else
+ activity = "mismatch";
+ }
+ close(fd);
}
- close(fd);
+ } else {
+ activity = "unknown";
+ mddev = "array";
}
- printf("%s: device %d in %d device %s %s md%d. Use mdadm --examine for more detail.\n",
+ printf("%s: device %d in %d device %s %s %s. Use mdadm --examine for more detail.\n",
dev,
- super.this_disk.number, super.raid_disks,
+ info.disk.number, info.array.raid_disks,
activity,
- map_num(pers, super.level),
- super.md_minor);
- break;
+ map_num(pers, info.array.level),
+ mddev);
+ if (st->ss->major == 0)
+ put_md_name(mddev);
}
return 0;
}