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A copy-on-write (COW) file system developed by Oracle included in the Linux kernel.

4
votes
2answers
For some unknown reasons, my BTRFS filesystem is corrupted. dmesg prints BTRFS critical (device sda2): corrupt leaf, slot offset bad: block=43231330304,root=1, slot=47 (more than 1000x in the dmesg trace). How to repair block #43231330304? …
asked Apr 13 '15 by Martin Monperrus
1
vote
If the problem comes from a hard-drive failure (e.g. a bad block), it is not repairable. To check for bad blocks: badblocks -n /dev/sdX To know the corrupted files, see How to list files part of a BTRFS block? …
answered Apr 27 '15 by Martin Monperrus
4
votes
1answer
On my BTRFS filesystem, I have a problem with block id #43231330304. BTRFS critical (device sda2): corrupt leaf, slot offset bad: block=43231330304,root=1, slot=47 I want to know which files are part of this block. How to do this? …
asked Apr 17 '15 by Martin Monperrus
3
votes
To identify the corrupted files, first run: btrfs scrub status /mount-point then check the path in dmesg: BTRFS: i/o error at logical 167135232000 on dev /dev/sda2, sector 213189792, root 5, inode 2963892, offset 7700480, length 4096, links 1 (path: /home/foo...) …
answered Apr 24 '15 by Martin Monperrus