Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.6699 11.2% 17.8776 18.7%  310.054 1.16%
/mnt/  254    4096    2   24.6147 16.5% 17.7144 19.1%  404.761 1.51%
/mnt/  254    4096    4   27.0733 19.0% 17.4499 19.2%  444.094 1.93%
/mnt/  254    4096    8   28.3688 20.6% 17.0901 19.2%  487.456 2.05%