Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7051 11.6% 18.1546 19.2%  315.590 1.26%
/mnt/  254    4096    2   35.1767 22.0% 17.5009 19.7%  604.839 2.57%
/mnt/  254    4096    4   33.5408 21.1% 16.9304 19.5%  565.522 3.25%
/mnt/  254    4096    8   32.4518 26.9% 16.2195 18.5%  680.680 2.72%