Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.9651 11.7% 17.6552 18.0%  311.592 1.48%
/mnt/  254    4096    2   36.0303 28.7% 17.4791 19.1%  578.930 2.02%
/mnt/  254    4096    4   33.8952 25.8% 16.6563 18.9%  540.352 3.10%
/mnt/  254    4096    8   32.5942 25.1% 15.7648 19.0%  672.192 3.19%