Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.8571 11.8% 17.7312 18.4%  310.348 1.34%
/mnt/  254    4096    2   24.6853 16.7% 17.5449 18.7%  403.540 1.79%
/mnt/  254    4096    4   26.8821 18.8% 17.2281 19.1%  439.282 1.81%
/mnt/  254    4096    8   28.2969 20.4% 16.8687 19.0%  482.652 1.99%