54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
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|--super <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.
|
|
--check-data-csum::
|
|
verify checkums of data blocks.
|
|
--subvol-extents <subvolid>::
|
|
show extent state for a subvolume.
|
|
|
|
EXIT STATUS
|
|
-----------
|
|
*btrfs check* returns a zero exit status if it succeeds. Non zero is
|
|
returned in case of failure.
|
|
|
|
AVAILABILITY
|
|
------------
|
|
*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-rescue`(8)
|