Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.9812 14.3% 17.7169 17.9%  313.118 1.25%
/mnt/  254    4096    2   35.7237 24.8% 17.4026 19.1%  586.647 2.05%
/mnt/  254    4096    4   34.9725 24.8% 16.9699 19.3%  522.594 2.61%
/mnt/  254    4096    8   37.1543 27.1% 15.9005 18.6%  646.221 4.20%