Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7959 11.4% 17.8502 18.4%  306.203 1.25%
/mnt/  254    4096    2   24.7835 16.2% 17.6719 18.6%  403.667 1.73%
/mnt/  254    4096    4   27.2131 18.6% 17.3406 18.8%  442.286 1.97%
/mnt/  254    4096    8   28.4792 19.9% 16.9889 18.8%  482.539 2.14%