Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.9204 12.4% 17.8699 18.8%  307.645 1.07%
/mnt/  254    4096    2   24.7729 17.3% 17.6479 19.0%  399.616 1.49%
/mnt/  254    4096    4   27.2311 19.7% 17.2801 19.1%  438.937 1.73%
/mnt/  254    4096    8   28.7235 21.2% 16.9500 19.1%  482.352 1.92%