btrfs scrub
Scrub btrfs filesystems to verify data integrity. It is recommended to run a scrub once a month. More information: https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-scrub.
- Start a scrub:
sudo btrfs scrub start {{path/to/btrfs_mount}}
- Show the status of an ongoing or last completed scrub:
sudo btrfs scrub status {{path/to/btrfs_mount}}
- Cancel an ongoing scrub:
sudo btrfs scrub cancel {{path/to/btrfs_mount}}
- Resume a previously cancelled scrub:
sudo btrfs scrub resume {{path/to/btrfs_mount}}
- Start a scrub, but wait until the scrub finishes before exiting:
sudo btrfs scrub start -B {{path/to/btrfs_mount}}
- Start a scrub in quiet mode (does not print errors or statistics):
sudo btrfs scrub start -q {{path/to/btrfs_mount}}