Re: Setup of four 15k SAS disk with LSI raid controller

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Vasilis Ventirozos <v(dot)ventirozos(at)gmail(dot)com>
Cc: postgres performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Setup of four 15k SAS disk with LSI raid controller
Date: 2013-03-13 19:01:11
Message-ID: 5140CCF7.3060801@commandprompt.com
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On 03/13/2013 11:45 AM, Vasilis Ventirozos wrote:
> Its better to split WAL segments and data just because these two have
> different io requirements and because its easier to measure and tune
> things if you have them on different disks.

Generally speaking you are correct but we are talking about RAID 0 here.

JD

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