Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   19.0126 10.8% 17.7116 18.2%  307.466 1.15%
/mnt/  254    4096    2   36.3949 24.9% 17.5753 20.2%  572.073 2.43%
/mnt/  254    4096    4   31.6752 25.1% 16.2498 19.0%  549.515 2.06%
/mnt/  254    4096    8   34.6766 27.4% 16.0550 18.7%  645.822 3.39%