SPC-1&-1/E results IOPS/Drive – chart of the month

Top IOPS(tm) per drive for SPC-1 & -1/E results as of 27May2010
Top IOPS(tm) per drive for SPC-1 & -1/E results as of 27May2010

The chart shown here reflects information from a SCI StorInt(tm) dispatch on the latest Storage Performance Council benchmark performance results and depicts the top IO operations done per second per installed drive for SPC-1 and SPC-1/E submissions.  This particular storage performance  metric is one of the harder ones to game.  For example, adding more drives to perform better does nothing for this view.

The recent SPC-1 submissions were from Huwaei Symantec’s Oceanspace S2600 and S5600, Fujitsu Eternus DX400 and DX8400 and the latest IBM DS8700 with EasyTier, SSD and SATA drives were added. Of these results, the only one to show up on this chart was the low-end Huawei Symantec S2600.  It used only 48 drives and attained ~17K IOPS as measured by SPC-1.

Other changes to this chart included the addition of Xiotech’s Emprise 5000 SPC-1/E  runs with both 146GB and 600GB drives.  We added the SPC-1/E results because they execute the exact same set of tests and generate the same performance summaries.

It’s very surprising to see the first use of 600GB drives in an SPC-1/E benchmark to show up well here and the very respectable #2 result from their 146GB drive version indicates excellent drive performance yields.  The only other non-146GB drive result was for the Fujitsu DX80 which used 300GB drives.

Also as readers of our storage performance dispatches may recall the Sun (now Oracle) J4400 array provided no RAID support for their benchmark run.  We view this as an unusable configuration and although it’s advantages vis a vis IOPS/drive are probably debatable.

A couple of other caveats to this comparison,

  • We do not include pure SSD configurations as they would easily dominate this metric.
  • We do not include benchmarks that use 73GB drives as they would offer a slight advantage and such small drives are difficult to purchase nowadays.

We are somewhat in a quandary about showing mixed drive (capacity) configurations.  In fact an earlier version of this chart without the two Xiotech SPC-1/E results showed the IBM DS8700 EasyTier configuration with SSDs and rotating SATA disks.  In that version the DS8700 came in at a rough tie with the then 7th place Fujitsu’s ETERNUS2000 subsystem.  For the time being, we have decided not to include mixed drive configurations in this comparison but would welcome any feedback on this decision.

As always, we appreciate any comments on our performance analysis. Also if you are interested in receiving your own free copy of our newsletter with the full SPC performance report in it please subscribe to our newsletter.  The full report will be made available on the dispatches section of our website in a couple of weeks.