Hi, Forgot to ask the important question, is it still possible to recover this filesystem or is it doomed ? best, Miguel Em 20-08-2013 18:16, Miguel Negrão escreveu: > Hi, > > I have a btrfs partition on a usb external hard drive which doesn't > mount anymore. I tried doing a btrfs check on it, but it fails with the > error on the subject. The btrfs progs were compiled from git today. I > have a backup of this partition elsewhere, so I can restore from there > if all else fails. > > The output of > > sudo btrfs check --repair /dev/sdc1 > ~/log/btfs-repair-1.log 2>&1 > > was > > parent transid verify failed on 7624175616 wanted 1431 found 1428 > parent transid verify failed on 7624175616 wanted 1431 found 1428 > Ignoring transid failure > leaf parent key incorrect 7624175616 > checking extents > parent transid verify failed on 7624175616 wanted 1431 found 1428 > Ignoring transid failure > > ... > > > leaf parent key incorrect 7717249024 > Unable to find block group for 0 > btrfs: extent-tree.c:283: find_search_start: Assertion `!(1)' failed. > enabling repair mode > Checking filesystem on /dev/sdc1 > UUID: 42688de3-f4ed-4592-bb34-02c9d5014e51 > > > > best, > -- Miguel Negrão http://www.friendlyvirus.org/miguelnegrao
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