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

						
Total elapsed time is 48 seconds and 195 milliseconds.
Files were opened 950400 times. 2306083 KB read. 3366877 KB written. 
Average read/write throughput was 30681 KB/sec, including open/close overhead.

This machine benchmarks at 4149809 iostones/sec.

0.76user 36.31system 0:48.53elapsed 76%CPU (0avgtext+0avgdata 0maxresident)k
1504inputs+82760outputs (8major+366minor)pagefaults 0swaps