Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7998 11.6% 17.8149 19.0%  304.953 1.29%
/mnt/  254    4096    2   24.5279 16.1% 17.6532 19.1%  398.750 1.72%
/mnt/  254    4096    4   26.9760 18.6% 17.3458 19.1%  434.659 1.96%
/mnt/  254    4096    8   28.4471 20.2% 16.9449 18.9%  478.649 2.11%