Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   19.0053 12.4% 17.7871 19.0%  311.308 1.94%
/mnt/  254    4096    2   35.7212 27.5% 17.1736 19.4%  568.671 2.27%
/mnt/  254    4096    4   34.6250 27.3% 16.4503 18.6%  546.980 2.32%
/mnt/  254    4096    8   32.7954 26.4% 16.1697 18.8%  694.516 2.08%