Re: Old (almost 2 years) btrfs failed fs. Parent transid failure. Can it be fixed ?

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Tomasz Torcz <tomek <at> pipebreaker.pl> writes:

>   I think you need to get branch "dangerdonoteveruse" to get real fsck code.
> 
> > sudo mount -t btrfs /dev/sda /mnt/disk/
> 
>  Could you try with "-o recovery"?
> 

As hugo said i think i got the correct source.

Anyway mount with recovery does not work.

sudo mount -t btrfs -o recovery /dev/sda /mnt/superdisk/
>mount: wrong fs type, bad option, bad superblock on /dev/sda,
>missing codepage or helper program, or other error
>In some cases useful info is found in syslog - try
>dmesg | tail  or so

dmesg
>[2582520.375909] device fsid 7278c712-5d48-4a73-b40d-6708a45a0b9b devid 3 
>transid 39651 /dev/sda
>[2582520.377733] btrfs: enabling auto recoveryparent transid verify failed 
>on 2721514774528 wanted 39651 found 39649
>[2582520.394180] btrfs: failed to read tree root on sda
>[2582520.395848] btrfs: open_ctree failed

Thanks for your intrest!

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