btrfs-progs/Documentation/btrfs-check.txt
David Sterba fddeecb7d4 btrfs-progs: doc: link btrfsck to btrfs-check
The 'btrfsck' command has been deprecated in favor of 'btrfs check'. For
compatibility install a symlink to the btrfs-check.8 manpage.

Signed-off-by: David Sterba <dsterba@suse.cz>
2014-04-22 14:26:19 +02:00

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