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msg25950
2013 Oct 04
0
Recovering btrfs fs after "failed to read chunk root"
...: disk space caching is enabled
btrfs: failed to read chunk root on sdb1
btrfs: open_ctree failed
From this point I found no way of accessing my data. Nothing works,
including mount -o recovery and even btrfs-restore.
I find this discussion:
http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg25990.html
So I tried several times with btrfs chunk-recover:
If I keep all the disks, it goes like this:
[root@tambura btrfs-progs]# ./btrfs chunk-recover -v /dev/sdb1 > log_2.txt
All Devices:
Device: id = 3, name = /dev/sdc2
Device: id = 4, name = /dev/sda2
Device: id = 1,...