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Re: Linux RAID & XFS Question - Multiple levels of concurrency = faster

To: "Justin Piszcz" <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: Linux RAID & XFS Question - Multiple levels of concurrency = faster I/O on md/RAID 5?
From: "Dan Williams" <dan.j.williams@xxxxxxxxx>
Date: Sun, 2 Nov 2008 15:21:48 -0700
Cc: linux-raid@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
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In-reply-to: <alpine.DEB.1.10.0811010424270.16517@xxxxxxxxxxxxxxxx>
References: <alpine.DEB.1.10.0811010424270.16517@xxxxxxxxxxxxxxxx>
On Sat, Nov 1, 2008 at 1:29 AM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
> I am using XFS and md/RAID-5, the CFQ scheduler and kernel 2.6.27.4.
> Is this more of an md/raid issue ( I am guessing ) than XFS? I remember
> reading of some RAID acceleration patches awhile back that were supposed to
> boost performance quite a bit, what happened to them?
>

You have it applied, Neil accepted the patch[1] for 2.6.26.

--
Dan

[1] 
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8b3e6cdc53b7f29f7026955d6cb6902a49322a15

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