BTRFS-SHOW-SUPER(8) System Manager's 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. In default, every device's
first superblock will be printed out.
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 CODE
btrfs-show-super will return 0 exit code if no error happened. If any problems happened, 1 will be returned.
AUTHOR
Written by Shilong Wang and Wenruo Qu.
COPYRIGHT
Copyright (C) 2013 Fujitsu, Inc. 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-SHOW-SUPER(8)
