2014-04-02 16:29:18 +08:00
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btrfs-check(8)
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==============
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NAME
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----
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btrfs-check - check or repair a btrfs filesystem offline
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SYNOPSIS
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--------
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'btrfs check' [options] <device>
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DESCRIPTION
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-----------
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'btrfs check' is used to check or repair a btrfs filesystem offline.
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2014-04-15 15:04:51 +08:00
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NOTE: Since btrfs is under heavy development especially the 'btrfs check'
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command, it is *highly* recommended to read the following btrfs wiki before
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executing 'btrfs check' with '--repair' option: +
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https://btrfs.wiki.kernel.org/index.php/Btrfsck
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2014-04-02 16:29:18 +08:00
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OPTIONS
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-------
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-s|--support <superblock>::
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use <superblock>th superblock copy.
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--repair::
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try to repair the filesystem.
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--init-csum-tree::
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create a new CRC tree.
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--init-extent-tree::
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create a new extent tree.
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EXIT STATUS
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-----------
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'btrfs check' returns a zero exist status if it succeeds. Non zero is
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returned in case of failure.
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AVAILABILITY
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------------
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'btrfs' is part of btrfs-progs. Btrfs filesystem is currently under heavy
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development,
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and not suitable for any uses other than benchmarking and review.
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Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for
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further details.
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SEE ALSO
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--------
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`mkfs.btrfs`(8),
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`btrfs-scrub`(8),
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`btrfs-rescue`(8)
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`btrfsck`(8)
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