XFS

# mkfs.xfs -d agcount=4 -l size=32m /dev/[DEVICE]

Mount options: noatime,nodiratime,logbufs=8

Check fragmentation factor:

# xfs_db -r /dev/[DEVICE]

# xfs_db> frag & hit enter

If you need to defrag your hard drive:

# xfs_fsr -v /dev/[DEVICE]