btrfs check
Check or repair a btrfs filesystem. More information: https://btrfs.readthedocs.io/en/latest/btrfs-check.html.
- Check a btrfs filesystem:
sudo btrfs check
path/to/partition
- Check and repair a btrfs filesystem (dangerous):
sudo btrfs check --repair
path/to/partition
- Show the progress of the check:
sudo btrfs check --progress
path/to/partition
- Verify the checksum of each data block (if the filesystem is good):
sudo btrfs check --check-data-csum
path/to/partition
- Use the
n
-th superblock (n
can be 0, 1 or 2):
sudo btrfs check --super
n
path/to/partition
- Rebuild the checksum tree:
sudo btrfs check --repair --init-csum-tree
path/to/partition
- Rebuild the extent tree:
sudo btrfs check --repair --init-extent-tree
path/to/partition