Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.9793 13.1% 17.7273 18.8%  302.144 1.43%
/mnt/  254    4096    2   34.8676 23.6% 17.3060 19.3%  545.252 1.90%
/mnt/  254    4096    4   32.0252 23.0% 16.5448 18.2%  528.405 2.50%
/mnt/  254    4096    8   35.7972 28.8% 16.2231 20.0%  673.949 2.52%