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From: Joshua D. Drake <jd@commandprompt.com>
To: Vasilis Ventirozos <v.ventirozos@gmail.com>
Cc: postgres performance list <pgsql-performance@postgresql.org>
Subject: Re: Setup of four 15k SAS disk with LSI raid controller
Date: Wed, 13 Mar 2013 12:01:11 -0700
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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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