blob: a8d7ef00df99294c8b974985962c4f0a59952674 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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)
|
