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Real world I/O testing that validates production environments is always a better test than running benchmarks. When doing that testing, if actual file level I/O statistics can be gathered, then all the better.
RAW throughput and RAW IOPS statistics are great to get a general idea of how your production applications should perform on a given platform. Standardized benchmark tests can give you this information, and are a great tool in TEST environments when considering platforms from different vendors. If production applications can be used in place of the benchmark tests, then your statistical data can be used to compare actual current production environments, which is always a better indicator of value.
Thanks for the tip on hyperIO.
Chris
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