Benchmarks - Multi-Client Test
The Intel NAS Performance Tool (NASPT) is an excellent way to determine NAS performance in a single user environment. Any review that only uses NASPT assumes that only a single computer will access the target NAS at once. We took issue with this method of testing, and spent over a year designing, building, programming, and finally validating the TweakTown Multi-Client Test.
The test uses Microsoft Office data recorded to traces, and played back to the NAS from up to 120 client Windows 7 installations (clients). We record total throughput of all clients, and average response time per client.
Over time, we'll populate the two multi-client charts with several NAS products from a span of categories. The products range from a dual Xeon server with 2x 10GbE to a two-bay NAS with a single gigabit Ethernet connection. The products will fall into their performance categories based on performance, and not marketing material or opinion.
Surprisingly, our custom multi-client test didn't show a much of a difference until we got all the way to 120 clients reading and writing Microsoft Office data to and from the NAS. This test usually shows large differences in different HDDs in a NAS, but not this time.
The latency test shows us the same, nearly identical performance with both sets of drives in the multi-client test.
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- Page 1 [Introduction]
- Page 2 [Seagate ST6000VN001 6TB Enterprise NAS HDD]
- Page 3 [Test System Setup]
- Page 4 [Benchmarks - RAID 5 Single Client Performance]
- Page 5 [Benchmarks - iSCSI Database and Workstation Workloads]
- Page 6 [Benchmarks - iSCSI Server Workloads]
- Page 7 [Benchmarks - Multi-Client Test]
- Page 8 [Final Thoughts]