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Re: elevator question

To: weber@xxxxxxxxxx
Subject: Re: elevator question
From: Grozdan <neutrino8@xxxxxxxxx>
Date: Mon, 17 Mar 2014 16:39:31 +0100
Cc: Xfs <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
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On Mon, Mar 17, 2014 at 4:35 PM, Marko Weber|8000 <weber@xxxxxxxxxx> wrote:
>
> hello list,
> in the xfs faq i read elevator=noop is best when using ssd.
> i have the gentoo system on a ssd, but the larger data storage partition on
> softraid with some sata disks.
> is elevator=noop in this combo still best?
>
> thx for any cunstructive answer
>
> marko

noop and deadline are best for SSDs. deadline is best for spinning
disks with XFS, especially in RAID. Stay away from CFQ as it kills
parallelism in XFS

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