Troubleshooting disk bottleneck on an HP Proliant

Home user, bought a Proliant ML350 from eBay to use as a headless WMC server.

I don't need RAID, but it looks like the only way to plug a drive into the system is through the drivebay, which is attached to an E200i RAID controller.

I've got a new Samsung 840 SSD that I've attached in the bay and setup in the RAID controller as a single logical drive. But the performance is *terrible*.

I'm happy to run whatever benchmarks would be useful for troubleshooting. Here's the output from WinSAT for the Samsung 840


[cpp]> Running: Feature Enumeration ''
> Run Time 00:00:00.00
> Running: Storage Assessment '-drive c -seq -read'
> Run Time 00:00:28.59
> Running: Storage Assessment '-drive c -ran -read'
> Run Time 00:00:02.96
> Running: Storage Assessment '-drive c -scen 2009'
> Run Time 00:04:12.89
> Running: Storage Assessment '-drive c -seq -write'
> Run Time 00:01:36.07
> Running: Storage Assessment '-drive c -flush -seq'
> Run Time 00:00:18.94
> Running: Storage Assessment '-drive c -flush -ran'
> Run Time 00:00:19.83
> Running: Storage Assessment '-drive c -hybrid -ran -read -ransize 4096'
NV Cache not present.
> Run Time 00:00:00.02
> Running: Storage Assessment '-drive c -hybrid -ran -read -ransize 16384'
NV Cache not present.
> Run Time 00:00:00.02
> Disk Sequential 64.0 Read 167.53 MB/s 7.2
> Disk Random 16.0 Read 83.24 MB/s 7.0
> Responsiveness: Average IO Rate 14.62 ms/IO 2.9
> Responsiveness: Grouped IOs 29.62 units 1.9
> Responsiveness: Long IOs 39.01 units 1.9
> Responsiveness: Overall 1155.41 units 1.9
> Responsiveness: PenaltyFactor 1.0
> Disk Sequential 64.0 Write 6.31 MB/s 2.5
> Average Read Time with Sequential Writes 7.240 ms 5.3
> Latency: 95th Percentile 14.795 ms 5.0
> Latency: Maximum 55.786 ms 7.8
> Average Read Time with Random Writes 7.501 ms 5.2
> Total Run Time 00:07:00.59[/cpp]

Just for kicks, I setup an older 160GB WD SATA HDD to see if it was just the 840. Results were equally poor. Here's the results from the WD drive:

[cpp]> Running: Feature Enumeration ''
> Run Time 00:00:00.00
> Running: Storage Assessment '-drive g -seq -read'
> Run Time 00:00:28.22
> Running: Storage Assessment '-drive g -ran -read'
> Run Time 00:00:18.03
> Running: Storage Assessment '-drive g -scen 2009'
> Run Time 00:03:54.92
> Running: Storage Assessment '-drive g -seq -write'
> Run Time 00:01:26.99
> Running: Storage Assessment '-drive g -flush -seq'
> Run Time 00:00:19.50
> Running: Storage Assessment '-drive g -flush -ran'
> Run Time 00:00:18.42
> Running: Storage Assessment '-drive g -hybrid -ran -read -ransize 4096'
NV Cache not present.
> Run Time 00:00:00.01
> Running: Storage Assessment '-drive g -hybrid -ran -read -ransize 16384'
NV Cache not present.
> Run Time 00:00:00.01
> Disk Sequential 64.0 Read 89.85 MB/s 6.4
> Disk Random 16.0 Read 0.98 MB/s 2.9
> Responsiveness: Average IO Rate 23.65 ms/IO 2.8
> Responsiveness: Grouped IOs 25.86 units 1.9
> Responsiveness: Long IOs 44.69 units 1.9
> Responsiveness: Overall 1155.46 units 1.9
> Responsiveness: PenaltyFactor 1.0
> Disk Sequential 64.0 Write 7.02 MB/s 2.6
> Average Read Time with Sequential Writes 7.151 ms 5.3
> Latency: 95th Percentile 10.357 ms 5.7
> Latency: Maximum 19.232 ms 7.9
> Average Read Time with Random Writes 6.632 ms 5.5
> Total Run Time 00:06:47.46
[/cpp]
OS is Win7 x64 Ultimate

Am I missing a software config somewhere? Or drivers? Should I just get a separate SATA card and ditch the RAID controller all together?
4 answers Last reply
More about troubleshooting disk bottleneck proliant
  1. What makes you think you can run windows 7 on a proliant ML350. Servers, in particular entry level proliants are engineered to run server software and the OEM supplies drivers for each OS. Not all hardware in a proliant can do what you expect.

    Check here for proliant support

    http://h20566.www2.hp.com/portal/site/hpsc/public/psi/home/?sp4ts.oid=327479
  2. Thanks for the link.

    It appears that they had some support for running Vista 64-bit Business, so I figured I could swing Windows 7. If not, I will probably sell it and roll my own system.

    Certainly worth a shot though. Where else are you going to get a high-availability, 8-core, 6 HDD system for $300?
  3. riclewis said:



    This is great thanks! I have a ML350 incoming!
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