Manpage/btrfs-check

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= btrfs-check(8) Manual Page =
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=btrfs-check(8) Manual Page=
 
{{GeneratedManpage}}
 
{{GeneratedManpage}}
  
== NAME ==
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 +
==NAME==
  
 
btrfs-check - check or repair a btrfs filesystem offline
 
btrfs-check - check or repair a btrfs filesystem offline
  
== SYNOPSIS ==
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==SYNOPSIS==
  
 
'''btrfs check''' [options] <device>
 
'''btrfs check''' [options] <device>
  
== DESCRIPTION ==
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==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.
  
{|
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'''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
|Note
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|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 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 ==
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==OPTIONS==
  
; -s|--super &lt;superblock&gt;  
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; -s|--super &lt;superblock&gt;
 
: use &lt;superblock&gt;th superblock copy.
 
: use &lt;superblock&gt;th superblock copy.
; --repair  
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; --repair
 
: try to repair the filesystem.
 
: try to repair the filesystem.
; --init-csum-tree  
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; --init-csum-tree
 
: create a new CRC tree.
 
: create a new CRC tree.
; --init-extent-tree  
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; --init-extent-tree
 
: create a new extent tree.
 
: create a new extent tree.
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; --check-data-csum
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: verify checkums of data blocks.
  
== EXIT STATUS ==
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==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 ==
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==AVAILABILITY==
  
'''btrfs''' is part of btrfs-progs. Please refer to the btrfs wiki [http://btrfs.wiki.kernel.org http://btrfs.wiki.kernel.org] for further details.
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'''btrfs''' is part of btrfs-progs. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details.
  
== SEE ALSO ==
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==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)]]
 
 
  
  
 
[[Category:Manpage]]
 
[[Category:Manpage]]

Revision as of 22:08, 3 July 2014

Contents

btrfs-check(8) Manual Page

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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.

SEE ALSO

mkfs.btrfs(8), btrfs-scrub(8), btrfs-rescue(8)

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