Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.8489 12.3% 17.9501 18.5%  313.752 1.54%
/mnt/  254    4096    2   24.5988 16.4% 17.8196 18.9%  408.240 2.04%
/mnt/  254    4096    4   26.9924 18.8% 17.5314 19.1%  444.710 2.11%
/mnt/  254    4096    8   28.1083 20.0% 17.1392 19.1%  486.035 2.23%