Re: How to choose a disc array for Postgresql?

From: Vivek Khera <vivek(at)khera(dot)org>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: How to choose a disc array for Postgresql?
Date: 2008-03-03 14:34:34
Message-ID: F599830C-5E39-49D9-AC91-D6CD65F3D2C1@khera.org
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On Mar 2, 2008, at 11:23 PM, Scott Marlowe wrote:

> And I've never had any of the problems you list with LSI cards. The
> only issue I've seen is mediocre RAID-10 performance on their cards

I don't fault the LSI card. The 320-2X is by far one of the fastest
cards I've ever used, and the most stable under FreeBSD. The only
time I've had issue with the LSI cards is with dell-branded disk
enclosures.

As for using U320 vs. SAS, I guess the decision would be based on
cost. The last systems I bought with big disks were over a year ago,
so I don't know the pricing anymore.

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