Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.8151 12.0% 17.8575 18.5%  314.209 1.57%
/mnt/  254    4096    2   34.6800 24.3% 17.6663 20.3%  568.351 2.13%
/mnt/  254    4096    4   34.2118 25.3% 16.7672 19.3%  538.436 1.88%
/mnt/  254    4096    8   33.3682 26.3% 15.7489 19.0%  675.225 2.19%