failed to read log tree, open_ctree failed
I had a RAID-1 btrfs filesystem with Linux 3.10.
After hard reset, I'm no longer able to mount it:
[ 35.254122] Btrfs loaded [ 35.254577] device label test-btrfs devid 1 transid 97966 /dev/sda4 [ 35.254819] device label test-btrfs devid 3 transid 97966 /dev/sdb4 [ 35.255032] device label test-btrfs devid 3 transid 97966 /dev/sdb4 [ 35.255552] btrfs: force zlib compression [ 35.255645] btrfs: disk space caching is enabled [ 35.379806] btrfs: bdev /dev/sda4 errs: wr 0, rd 2, flush 0, corrupt 0, gen 0 [ 56.209412] parent transid verify failed on 3321036099584 wanted 97967 found 97966 [ 56.225990] parent transid verify failed on 3321036099584 wanted 97967 found 97966 [ 56.226128] btrfs: failed to read log tree [ 56.344483] btrfs: open_ctree failed
I've tried with 3.11-rc7, but it gives the same result.
Any hints how to recover from that?
I have backups, but it would be nice if the filesystem just mounted.
Signature · 2 lines
Tomasz Chmielewski http://wpkg.org
Quoted 17 lines · Tomasz Chmielewski
I had a RAID-1 btrfs filesystem with Linux 3.10.
After hard reset, I'm no longer able to mount it:
[ 35.254122] Btrfs loaded [ 35.254577] device label test-btrfs devid 1 transid 97966 /dev/sda4 [ 35.254819] device label test-btrfs devid 3 transid 97966 /dev/sdb4 [ 35.255032] device label test-btrfs devid 3 transid 97966 /dev/sdb4 [ 35.255552] btrfs: force zlib compression [ 35.255645] btrfs: disk space caching is enabled [ 35.379806] btrfs: bdev /dev/sda4 errs: wr 0, rd 2, flush 0, corrupt 0, gen 0 [ 56.209412] parent transid verify failed on 3321036099584 wanted 97967 found 97966 [ 56.225990] parent transid verify failed on 3321036099584 wanted 97967 found 97966 [ 56.226128] btrfs: failed to read log tree [ 56.344483] btrfs: open_ctree failed
Quoted 4 lines
I've tried with 3.11-rc7, but it gives the same result.
Any hints how to recover from that?
I have backups, but it would be nice if the filesystem just mounted.
Try mounting with both -orecovery and -oro,recovery.
Hugo.
Signature · 4 lines
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
--- Python is executable pseudocode; perl ---
is executable line-noise. Quoted 7 lines · On Mon, 26 Aug 2013 19:34:19 +0100 Hugo Mills <[email protected]> wrote:
Quoted 7 lines
corrupt 0, gen 0 [ 56.209412] parent transid verify failed on
3321036099584 wanted 97967 found 97966 [ 56.225990] parent
transid verify failed on 3321036099584 wanted 97967 found 97966[ 56.226128] btrfs: failed to read log tree [ 56.344483] btrfs:
open_ctreefailed
Quoted 6 lines
Quoted 4 lines
I've tried with 3.11-rc7, but it gives the same result.
Any hints how to recover from that?
I have backups, but it would be nice if the filesystem just mounted.Try mounting with both -orecovery and -oro,recovery.
Neither worked, same error.
Anything else I can try?
Signature · 2 lines
Tomasz Chmielewski http://wpkg.org
Quoted 12 lines · Tomasz Chmielewski
Quoted 9 lines · On Mon, 26 Aug 2013 19:34:19 +0100 Hugo Mills <[email protected]> wrote:
Quoted 9 lines
corrupt 0, gen 0 [ 56.209412] parent transid verify failed on
3321036099584 wanted 97967 found 97966 [ 56.225990] parent
transid verify failed on 3321036099584 wanted 97967 found 97966[ 56.226128] btrfs: failed to read log tree [ 56.344483] btrfs:
open_ctreefailedI've tried with 3.11-rc7, but it gives the same result.
Quoted 8 lines
Quoted 4 lines
Quoted 2 lines
Any hints how to recover from that?
I have backups, but it would be nice if the filesystem just mounted.Try mounting with both -orecovery and -oro,recovery.
Neither worked, same error.
Anything else I can try?
Oh, hang on... that's the log tree.
btrfs-zero-log may help. If you can take a btrfs-image of the
filesystem before running that, josef would like to see it.
Hugo.
Signature · 4 lines
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
--- Python is executable pseudocode; perl ---
is executable line-noise. Quoted 6 lines · On Mon, 26 Aug 2013 20:01:46 +0100 Hugo Mills <[email protected]> wrote:
Quoted 1 line
Anything else I can try?
Oh, hang on... that's the log tree.
btrfs-zero-log may help. If you can take a btrfs-image of the
filesystem before running that, josef would like to see it.
btrfs-zero-log did the trick, thanks.
Signature · 2 lines
Tomasz Chmielewski http://wpkg.org