(2011/01/12 9:25), Leonidas Spyropoulos wrote: > Hey all, > > I have a weird error with my RAID 0 btrfs partition. > Information for the partitions follow: > > # btrfs filesystem show > failed to read /dev/sr0 > Label: none uuid: 1882b025-58e4-4287-98a3-9b772af0ad76 > Total devices 2 FS bytes used 108.16GB > devid 2 size 74.53GB used 55.26GB path /dev/sdd2 > devid 3 size 74.53GB used 55.26GB path /dev/sde2 > > Btrfs v0.19-35-g1b444cd > > # btrfs device scan > Scanning for Btrfs filesystems > failed to read /dev/sr0 > > # cat /etc/fstab | grep btrfs > /dev/disk/by-uuid/1882b025-58e4-4287-98a3-9b772af0ad76 /media/data > btrfs rw,user 0 0 > > # blkid > /dev/sdd2: UUID="1882b025-58e4-4287-98a3-9b772af0ad76" > UUID_SUB="468b49fa-a0b6-4e11-a312-ef0cafd2890a" TYPE="btrfs" > /dev/sde2: UUID="1882b025-58e4-4287-98a3-9b772af0ad76" > UUID_SUB="cf534558-a317-4259-808b-d950a155fb5d" TYPE="btrfs" > > Although I have the config within fstab it doesn't mount on bootup with error: > mount: wrong fs type, bad option, bad superblock on /dev/sde2, > missing codepage or helper program, or other error > In some cases useful info is found in syslog - try > dmesg | tail or so > > Kernel messages: > device fsid 8742e45825b08218-76adf02a779ba398 devid 3 transid 4778 /dev/sde2 > btrfs: failed to read the system array on sde2 Please see Problem_FAQ in btrfs wiki. (https://btrfs.wiki.kernel.org/index.php/Problem_FAQ) Thanks, Itoh > > No matter how many times I try with sudo mount -a or sudo mount > /media/data I got the same error. > > Now the weird stuff: > If I do a blkid and fdisk -l I can then mount normally the partition. > Any ideas? > > Kernel info: Linux woofy 2.6.36-ARCH #1 SMP PREEMPT Sat Jan 8 14:15:27 > CET 2011 x86_64 Dual Core AMD Opteron(tm) Processor 165 AuthenticAMD > GNU/Linux > btrfs-progs: Latest from git > I don't know which revision/patch Arch stock kernel has of btrfs. > > > Thanks, > Leonidas > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
