Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.8903 13.0% 17.9146 19.1%  309.028 1.31%
/mnt/  254    4096    2   35.9297 24.8% 17.6767 19.4%  586.555 2.78%
/mnt/  254    4096    4   33.5823 22.9% 16.7180 19.2%  551.702 1.93%
/mnt/  254    4096    8   35.5357 29.2% 15.8089 18.8%  657.763 2.63%