13be89d82e
Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: David Sterba <dsterba@suse.com>
30 lines
722 B
Plaintext
30 lines
722 B
Plaintext
btrfs-select-super(8)
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=====================
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NAME
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----
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btrfs-select-super - overwrite superblock with a backup
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SYNOPSIS
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--------
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*btrfs-select-super* -s number dev
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DESCRIPTION
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-----------
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*btrfs-select-super* destructively overwrites all copies of the superblock
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with a specified copy. This helps with certain cases of damage, especially
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when barriers were disabled during a power failure. You can find a valid
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copy of the superblock with *btrfs check -s*.
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The filesystem specified by `dev` must not be mounted.
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OPTIONS
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-------
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-s|--super <superblock>::
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use <superblock>th superblock copy, valid values are 0 up to 2 if the
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respective superblock offset is within the filesystem
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SEE ALSO
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--------
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`btrfsck check`(8)
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