S110 and PE T320 RAID 10 catastrophic disk subsystem performance - Server 2012-

Ordered nine T320 with 4 500 GB SATA (Dell/WD) configured drives in RAID 10.  Server 2012 Std.  32 GB OF RAM.

I had good performance of the T110-II and 4 similar drive RAID-10 using the S100 remote, but the difference is day and night between the S100 and the S110.

I reinstalled several times in different configurations to ensure it was the S110 which was the issue.  Using the latest version of CrystalDiskMark (3.02f) here is the approximate number, I see sequential reads/writes.

T110-II w/S100 and 4x500GB RAID 10-220 / 215 MB/s.

T320 w/S110 and 4x500GB RAID 10-50 / 45 MB/sec with cache configured no read ahead and write through.

T320 w/S110 and 4x500GB RAID10 - 60 / 52 MB/s with configured cache read-ahead and write again.

T320 w/S110 and 2 x 500 GB RAID 1 - 50/45 MB / s

T320 with disabled S110 and just running a single 500 GB drive in SATA AHCI mode.    135 / 133 MB/s.  It's what I expected a same WD/Dell 7200 RPM drive.  No problem with the SATA AHCI standard.

This isn't a software vs hardware RAID question.  As I mentioned, I get massively on a T110-II with S100 in RAID 10.

Dell - I can't believe that you are shipping something as bad.  My preference is to understand why he is so bad and solve the problem, but if I don't get answers soon, that the server will be going back to Dell.  The server as it sits now is unusable.  I'm 10 years old, sitting in my pile of recovery servers that perform better than that.

[ADMIN NOTE: profanity removed by TOU] Reference Dell?

Info on CrystalDisk Mark can be found here:

http://CrystalMark.info/software/CrystalDiskMark/manual-en/MainWindow.html

the numbers are sequential 512 k / qd1 for the values that I listed in my initial post.

What started me on this has been the new server was extremely slow during installation and configuration.  Then, I tried a few markers of disc and they all showed extremely poor performance.  I have listed CrystalDiskMark numbers because it is widely known and used in the comparative analysis.

Tags: Dell Servers

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