XFS
Set device label
xfs_admin -l LABEL DEVICE
Defragmentation
Inspect:
xfs_db -c frag -r /dev/DEV
Defragment:
xfs_fsr /dev/DEV
Set device label
xfs_admin -l LABEL DEVICE
Inspect:
xfs_db -c frag -r /dev/DEV
Defragment:
xfs_fsr /dev/DEV