From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stan Hoeppner <stan@hardwarefreak.com>
Subject: Re: What's the typical RAID10 setup?
Date: Tue, 01 Feb 2011 16:05:23 -0600
Message-ID: <4D4883A3.6030605@hardwarefreak.com>
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To: Jon Nelson <jnelson-linux-raid@jamponi.net>
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Jon Nelson put forth on 2/1/2011 7:50 AM:

> The performance will not be the same because. Whenever possible, md
> reads from the outermost portion of the disk -- theoretically the
> fastest portion of the disk (by 2 or 3 times as much as the inner
> tracks) -- and in this way raid10,f2 can actually be faster than
> raid0.

Faster in what regard?  I assume you mean purely sequential read, and not random
IOPS.  The access patterns of the vast majority of workloads are random, so I
don't see much real world benefit, if what you say is correct.  This might
benefit MythTV or similar niche streaming apps.

-- 
Stan