Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.7897 10.1% 17.8836 18.7%  311.489 2.25%
/mnt/  254    4096    2   35.4264 25.9% 17.6037 19.9%  590.299 2.50%
/mnt/  254    4096    4   34.3268 26.6% 16.5076 18.4%  548.449 2.19%
/mnt/  254    4096    8   33.7253 27.8% 15.6566 18.8%  721.725 4.14%