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 :: use th superblock copy, valid values are 0 up to 2 if the respective superblock offset is within the filesystem SEE ALSO -------- `btrfsck check`(8)