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Re: Dell Perc/6

From: Tore Halset <halset(at)pvv(dot)ntnu(dot)no>
To: Craig James <craig_james(at)emolecules(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Dell Perc/6
Date: 2008-02-13 10:02:23
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance

I think I started that discussion. We ended up buying a Dell 2900 with  
PERC 6/i and 10 * 145GB SAS 3,5" 15KRpm discs. 6 of the SAS discs are  
in a raid 10 for the database, 2 in a mirror for the wal and the last  
2 in a mirror for the OS. We get 350MB/s writing and 380MB/s reading  
to/from the raid 10 area using dd. The OS is Ubuntu and the filesystem  
for the raid 10 is ext3.

The box is still under testing, but we plan to set it in production  
this week.

  - Tore.

On Feb 12, 2008, at 17:32 , Craig James wrote:

> Does anyone have performance info about the new Dell Perc/6  
> controllers?  I found a long discussion ("Dell vs HP") about the  
> Perc/5, but nothing about Perc/6.  What's under the covers?
> Here is the (abbreviated) info from Dell on this machine:
> PowerEdge 1950 III        Quad Core Intel® Xeon® E5405, 2x6MB Cache,  
> 2.0GHz, 1333MHz FSB
> Additional Processors     Quad Core Intel® Xeon® E5405, 2x6MB Cache,  
> 2.0GHz, 1333MHz FSB
> Memory                    8GB 667MHz (4x2GB), Dual Ranked DIMMs
> Hard Drive Configuration  Integrated SAS/SATA RAID 5, PERC 6/i  
> Integrated
> Thanks,
> Craig
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