Hi all,
I have two multi-disk btrfs filesystems on a Arch linux 3.4.0 system.
After a power failure, both filesystems refuse to mount
[ 10.402284] Btrfs loaded
[ 10.402714] device fsid 1e7c18a4-02d6-44b1-8eaf-c01378009cd3 devid 4
transid 65282 /dev/sdc
[ 10.403108] btrfs: force zlib compression
[ 10.403130] btrfs: enabling inode map caching
[ 10.403152] btrfs: disk space caching is enabled
[ 10.403377] btrfs: failed to read the system array on sdc
[ 10.403557] btrfs: open_ctree failed
[ 10.431763] device fsid 7f7be913-e359-400f-8bdb-7ef48aad3f03 devid 2
transid 3916 /dev/sdb
[ 10.432180] btrfs: force zlib compression
[ 10.433040] btrfs: enabling inode map caching
[ 10.433892] btrfs: disk space caching is enabled
[ 10.434930] btrfs: failed to read the system array on sdb
[ 10.435945] btrfs: open_ctree failed
fstab:
UUID=1e7c18a4-02d6-44b1-8eaf-c01378009cd3 /storage/btrfs btrfs
noatime,compress-force=zlib,space_cache,inode_cache 0 0
UUID=7f7be913-e359-400f-8bdb-7ef48aad3f03 /storage/btrfs2 btrfs
noatime,compress-force=zlib,space_cache,inode_cache 0 0
The funny thing is that if i run btrfsck for one second on the first
filesystem and then kill it with ctrl-c, then both filesystems can be
mounted without any problems!
I have this problem for many months, probably for all 3.x kernels and
maybe a bit older, all git btrfs tools since at least late last year.
[root@linuxserver ~/btrfs-progs]# btrfs fi show /dev/sdb
Label: none uuid: 7f7be913-e359-400f-8bdb-7ef48aad3f03
Total devices 2 FS bytes used 1.54TB
devid 1 size 1.82TB used 1.04TB path /dev/sda
devid 2 size 1.82TB used 1.04TB path /dev/sdb
Btrfs Btrfs v0.19
[root@linuxserver ~/btrfs-progs]# btrfs fi show /dev/sdf
Label: none uuid: 1e7c18a4-02d6-44b1-8eaf-c01378009cd3
Total devices 4 FS bytes used 4.33TB
devid 5 size 1.82TB used 1.82TB path /dev/sdg
devid 4 size 1.82TB used 1.82TB path /dev/sdc
devid 3 size 1.82TB used 1.79TB path /dev/sdf
devid 1 size 1.82TB used 1.82TB path /dev/sdd
Btrfs Btrfs v0.19
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