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| author | Nicholas D Steeves <nsteeves@gmail.com> | 2016-04-23 00:41:30 +0100 |
|---|---|---|
| committer | Nicholas D Steeves <nsteeves@gmail.com> | 2016-04-23 00:41:30 +0100 |
| commit | cec572daccafa1e912cbed363df6f84687778c6f (patch) | |
| tree | 7d99ab9f73d25c1ed8eaf6393f6374edf5316b03 /Documentation/btrfs-select-super.asciidoc | |
btrfs-progs (4.4.1-1.1) unstable; urgency=medium
* Non-maintainer upload.
* New upstream release.
* Rename package to btrfs-progs (Closes: #780081)
* Update standards version to 3.9.7 (no changes needed).
* debian/control: Add "Breaks" per Gianfranco Costamagna's suggestion
* Change lintian override to reflect package rename
* Switch from using postinst and postrm to using triggers
per Christian Seiler's recommendation.
# imported from the archive
Diffstat (limited to 'Documentation/btrfs-select-super.asciidoc')
| -rw-r--r-- | Documentation/btrfs-select-super.asciidoc | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/btrfs-select-super.asciidoc b/Documentation/btrfs-select-super.asciidoc new file mode 100644 index 00000000..a8d7ef00 --- /dev/null +++ b/Documentation/btrfs-select-super.asciidoc @@ -0,0 +1,29 @@ +btrfs-select-super(8) +===================== + +NAME +---- +btrfs-select-super - overwrite superblock with a backup + +SYNOPSIS +-------- +*btrfs-select-super* -s number dev + +DESCRIPTION +----------- +*btrfs-select-super* destructively overwrites all copies of the superblock +with a specified copy. This helps with certain cases of damage, especially +when barriers were disabled during a power failure. You can find a valid +copy of the superblock with *btrfs check -s*. + +The filesystem specified by `dev` must not be mounted. + +OPTIONS +------- +-s|--super <superblock>:: +use <superblock>th superblock copy, valid values are 0 up to 2 if the +respective superblock offset is within the filesystem + +SEE ALSO +-------- +`btrfsck check`(8) |