Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.5470 11.9% 17.6141 18.3%  309.159 1.31%
/mnt/  254    4096    2   36.3326 26.7% 17.6766 19.0%  562.025 3.37%
/mnt/  254    4096    4   33.8919 25.8% 16.8395 19.8%  542.550 2.30%
/mnt/  254    4096    8   32.2898 26.0% 16.0123 19.6%  678.426 3.05%