Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7587 12.4% 17.9845 18.6%  313.626 1.25%
/mnt/  254    4096    2   36.3105 24.4% 17.6391 20.3%  594.814 2.97%
/mnt/  254    4096    4   34.1642 27.5% 16.5962 20.2%  536.870 2.68%
/mnt/  254    4096    8   33.8064 25.0% 15.5765 18.2%  684.225 3.76%