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btrfs scrub

Scrub btrfs filesystems to verify data integrity.

It is recommended to run a scrub once a month.

More information.

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}

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