Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.9902 11.5% 17.9432 18.2%  308.493 1.00%
/mnt/  254    4096    2   36.1628 23.6% 17.3805 19.1%  617.367 2.00%
/mnt/  254    4096    4   34.0285 25.5% 16.5435 18.3%  525.600 2.62%
/mnt/  254    4096    8   34.5536 29.8% 15.9901 19.0%  698.630 4.71%