By Duane Gray, EVA Product Manager
If you manage a data center you know: Optimizing energy use is a real concern. We know many of our customers cite power and cooling as limiting factors to IT growth rate. Until recently, you’ve had no way to measure a storage device’s use of energy as it relates to the device’s performance. You couldn’t tell whether or not an array that was performing quite nicely was efficiently using energy—or if performance was coming at the expense of an energy “hog.”
Responding to the need for a benchmark that examines storage performance and energy usage, the Storage Performance Council created the SPC Benchmark 1/Energy™ (SPC-1/E™) as an extension to the SPC Benchmark 1™. The SPC-1 benchmark provides a measure of performance using a synthesized OLTP-like workload, normalized against the cost of the solution. The energy measurement and reporting in SPC-1/E give you visibility to the annual energy costs associated with servicing these types of I/O demands with a particular storage device.
We all know too, that solid state drives (SSDs) now available in many storage devices hold the promise of high performance and low power. To demonstrate the benefit of including SSDs in the Enterprise Virtual Array (EVA), we recently put an SSD-equipped EVA6400 to the SPC-1/E test.
The result? The EVA6400—with 8 72GB SSDs—provided a composite IOPS/Watt metric of 15.68. That’s much better than the competitive postings using 10K RPM FC HDDs.
But why not read the benchmarks results for yourself! Here's a link to the Executive Summary and the Full Disclosure Report.
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