Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7849 12.3% 17.7640 18.7%  306.869 1.55%
/mnt/  254    4096    2   24.6399 16.7% 17.5947 19.0%  401.071 1.77%
/mnt/  254    4096    4   26.7753 18.9% 17.2477 19.1%  440.285 1.85%
/mnt/  254    4096    8   28.2069 20.5% 16.8940 19.1%  482.875 2.14%