BTRFS-SHOW-SUPER man page on Alpinelinux
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BTRFS-SHOW-SUPER(8) Btrfs Manual BTRFS-SHOW-SUPER(8)
NAME
btrfs-show-super - show btrfs superblock information stored in devices
SYNOPSIS
btrfs-show-super [options] <dev> [<dev>...]
DESCRIPTION
btrfs-show-super is used to print the information of superblock, you
can specify which mirror to print out.
By default, every device’s first superblock will be printed out.
Mainly used for debug purpose.
OPTIONS
-a
Print all the superblock information.
If this option is given, -i option will be ignored.
-i <super_mirror>
Specify which mirror to print out.
<super_mirror> is between 0 and 2. If several -i <super_mirror> are
given, only the last one is valid.
EXIT STATUS
btrfs-show-super will return 0 if no error happened. If any problems
happened, 1 will be returned.
AUTHOR
Written by Shilong Wang and Wenruo Qu.
COPYRIGHT
Copyright © 2013 FUJITSU LIMITED.
License GPLv2: GNU GPL version 2 http://gnu.org/licenses/gpl.html.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
mkfs.btrfs(8)
Btrfs v3.14.2 05/30/2014 BTRFS-SHOW-SUPER(8)
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