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Re: poor io performance with xfs+raid5

To: Justin Coffey <justin@xxxxxxxxx>
Subject: Re: poor io performance with xfs+raid5
From: Steve Lord <lord@xxxxxxx>
Date: 25 Apr 2002 14:21:34 -0500
Cc: Mike Eldridge <diz@xxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <Pine.BSO.4.44.0204251216360.25324-100000@xxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <Pine.BSO.4.44.0204251216360.25324-100000@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Thu, 2002-04-25 at 14:17, Justin Coffey wrote:
> Quick related question... (and I haven't been following the group closely
> recently) does this affect any sort of hardware RAID 5?  What about RAID
> 1+0?

The alignment issue is mostly software raid5 specific. The ability to
better align the writes will help on other configs to a lesser extent.



Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx

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