btrfs-progs/Documentation/btrfs-rescue.txt

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btrfs-check(8)
==============
NAME
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btrfs-rescue - Recover a damaged btrfs filesystem
SYNOPSIS
--------
*btrfs rescue* <subcommand> <args>
DESCRIPTION
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*btrfs rescue* is used to try to recover a damaged btrfs filesystem.
SUBCOMMAND
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*chunk-recover* [options] <device>::
Recover the chunk tree by scanning the devices
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`Options`
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-y::::
assume an answer of 'yes' to all questions.
-v::::
verbose mode.
-h::::
help.
NOTE: Since *chunk-recover* will scan the whole device, it will be *VERY* slow
especially executed on a large device.
*super-recover* [options] <device>::
Recover bad superblocks from good copies.
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`Options`
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-y::::
assume an answer of 'yes' to all questions.
-v::::
verbose mode.
EXIT STATUS
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*btrfs rescue* returns a zero exit status if it succeeds. Non zero is
returned in case of failure.
AVAILABILITY
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*btrfs* is part of btrfs-progs.
Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for
further details.
SEE ALSO
--------
`mkfs.btrfs`(8),
`btrfs-scrub`(8),
`btrfs-check`(8)