Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.8409 11.7% 17.8155 18.4%  311.972 1.68%
/mnt/  254    4096    2   24.6476 16.2% 17.5709 18.8%  407.464 1.98%
/mnt/  254    4096    4   27.1309 18.2% 17.3134 18.9%  445.939 2.13%
/mnt/  254    4096    8   28.3732 20.2% 17.0063 18.9%  488.580 2.22%