Dir   Size   BlkSz  Thr#  Read (CPU%)   Write (CPU%)   Seeks (CPU%)
----- ------ ------- ---- ------------- -------------- --------------
/mnt/  254    4096    1   18.9356 9.76% 17.7916 18.3%  305.498 1.29%
/mnt/  254    4096    2   34.5826 28.7% 17.1038 19.5%  565.914 2.68%
/mnt/  254    4096    4   32.8776 25.1% 16.7844 21.3%  513.428 2.05%
/mnt/  254    4096    8   33.4539 25.6% 16.1700 19.9%  659.005 2.96%