Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7046 10.9% 17.8932 18.4%  309.005 1.39%
/mnt/  254    4096    2   36.3028 24.8% 17.2657 19.5%  594.608 2.97%
/mnt/  254    4096    4   33.2977 25.6% 16.6825 18.6%  526.092 2.63%
/mnt/  254    4096    8   33.1622 27.4% 15.9244 18.1%  674.291 2.52%