Manpage/btrfs-check
From btrfs Wiki
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| − | = btrfs-check(8) Manual Page = | + | |
| + | =btrfs-check(8) Manual Page= | ||
{{GeneratedManpage}} | {{GeneratedManpage}} | ||
| − | == NAME == | + | |
| + | ==NAME== | ||
btrfs-check - check or repair a btrfs filesystem offline | btrfs-check - check or repair a btrfs filesystem offline | ||
| − | == SYNOPSIS == | + | ==SYNOPSIS== |
'''btrfs check''' [options] <device> | '''btrfs check''' [options] <device> | ||
| − | == DESCRIPTION == | + | ==DESCRIPTION== |
'''btrfs check''' is used to check or repair a btrfs filesystem offline. | '''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:<br />https://btrfs.wiki.kernel.org/index.php/Btrfsck | |
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| − | + | ||
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'''btrfsck''' is an alias of '''btrfs check''' command and is now deprecated. | '''btrfsck''' is an alias of '''btrfs check''' command and is now deprecated. | ||
| − | == OPTIONS == | + | ==OPTIONS== |
| − | ; | + | ; -s|--super <superblock> |
: use <superblock>th superblock copy. | : use <superblock>th superblock copy. | ||
| − | ; | + | ; --repair |
: try to repair the filesystem. | : try to repair the filesystem. | ||
| − | ; | + | ; --init-csum-tree |
: create a new CRC tree. | : create a new CRC tree. | ||
| − | ; | + | ; --init-extent-tree |
: create a new extent tree. | : create a new extent tree. | ||
| + | ; --check-data-csum | ||
| + | : verify checkums of data blocks. | ||
| − | == EXIT STATUS == | + | ==EXIT STATUS== |
'''btrfs check''' returns a zero exist status if it succeeds. Non zero is returned in case of failure. | '''btrfs check''' returns a zero exist status if it succeeds. Non zero is returned in case of failure. | ||
| − | == AVAILABILITY == | + | ==AVAILABILITY== |
| − | '''btrfs''' is part of btrfs-progs. Please refer to the btrfs wiki | + | '''btrfs''' is part of btrfs-progs. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details. |
| − | == SEE ALSO == | + | ==SEE ALSO== |
[[Manpage/mkfs.btrfs|mkfs.btrfs(8)]], [[Manpage/btrfs-scrub|btrfs-scrub(8)]], [[Manpage/btrfs-rescue|btrfs-rescue(8)]] | [[Manpage/mkfs.btrfs|mkfs.btrfs(8)]], [[Manpage/btrfs-scrub|btrfs-scrub(8)]], [[Manpage/btrfs-rescue|btrfs-rescue(8)]] | ||
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[[Category:Manpage]] | [[Category:Manpage]] | ||
Revision as of 22:08, 3 July 2014
Contents |
btrfs-check(8) Manual Page
Note: manual pages are located at
, please update your links.
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.
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. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details.
