root@HOMEDATA:~# xfs_db -c frag -r /dev/sdc1
xfs_db -c frag -r /dev/sdc1actual 134828, ideal 107308, fragmentation factor 20.41%
Note, this number is largely meaningless.
Files on this filesystem average 1.26 extents per file
root@HOMEDATA:~# xfs_fsr /dev/
xfs_fsr: cannot defragment: /dev/: Not XFS
不知道怎么弄了,但是我这个好像是碎片化20%,有没有大神能出个教程啊