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Re: Dell Perc/6
- From: Dave Cramer <pg(at)fastcrypt(dot)com>
- To: Tore Halset <halset(at)pvv(dot)ntnu(dot)no>
- Cc: Craig James <craig_james(at)emolecules(dot)com>, pgsql-performance(at)postgresql(dot)org
- Subject: Re: Dell Perc/6
- Date: Wed, 13 Feb 2008 06:06:13 -0500
On 13-Feb-08, at 5:02 AM, Tore Halset wrote:
Wow that's fantastic. Just to be sure, did you make sure that you read and wrote 2x memory to take the cache out of the measurement ?Hello.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.
Dave
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