6 btrfs-rescue - Recover a damaged btrfs filesystem
10 'btrfs rescue' <subcommand> <args>
14 'btrfs rescue' is used to try to recover a damaged btrfs filesystem.
18 'chunk-recover' [options] <device>::
19 Recover the chunk tree by scanning the devices
24 assume an answer of 'yes' to all questions.
30 NOTE: Since 'chunk-recover' will scan the whole device, it will be *VERY* slow
31 especially executed on a large device.
33 'super-recover' [options] <device>::
34 Recover bad superblocks from good copies.
39 assume an answer of 'yes' to all questions.
45 'btrfs rescue' returns a zero exist status if it succeeds. Non zero is
46 returned in case of failure.
50 'btrfs' is part of btrfs-progs. Btrfs filesystem is currently under heavy
52 and not suitable for any uses other than benchmarking and review.
53 Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for