Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   19.0404 11.7% 17.7544 18.5%  307.518 1.30%
/mnt/  254    4096    2   36.3210 24.0% 17.6560 20.0%  585.708 3.07%
/mnt/  254    4096    4   34.2886 27.8% 16.6244 19.6%  522.625 2.61%
/mnt/  254    4096    8   33.1949 24.7% 16.0440 19.1%  661.234 2.47%