Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   19.0624 12.2% 17.7708 19.1%  310.052 1.42%
/mnt/  254    4096    2   24.8380 16.3% 17.5766 19.1%  402.964 1.89%
/mnt/  254    4096    4   27.1920 18.8% 17.2419 19.1%  442.201 2.03%
/mnt/  254    4096    8   28.5255 20.5% 16.9347 19.1%  485.312 2.20%