One key thing is doing active benchmarking to validate what you're testing. See an example at http://www.brendangregg.com/ActiveBenchmarking/bonnie++.html http:

One key thing is doing active benchmarking to validate what you're testing. See an example at http://www.brendangregg.com/ActiveBenchmarking/bonnie++.html http://www.brendangregg.com/ActiveBenchmarking/bonnie++.html