Wait - IOSTONE is setting up test files:
.........
Wait - IOSTONE is performing disk IO with varying blocksizes.

						
Total elapsed time is 48 seconds and 974 milliseconds.
Files were opened 950400 times. 2306083 KB read. 3366877 KB written. 
Average read/write throughput was 30193 KB/sec, including open/close overhead.

This machine benchmarks at 4083800 iostones/sec.

0.54user 36.15system 0:53.04elapsed 69%CPU (0avgtext+0avgdata 0maxresident)k
968inputs+85128outputs (5major+368minor)pagefaults 0swaps