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Re: [Xen-devel] question about disk performance in domU

To: xuehai zhang <hai@xxxxxxxxxxxxxxx>
From: Adam Heath <doogie@xxxxxxxxxxxxx>
Date: Mon, 21 Nov 2005 16:51:06 -0600 (CST)
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Tim Freeman <tfreeman@xxxxxxxxxxx>, "keahey@xxxxxxxxxxx" <keahey@xxxxxxxxxxx>, "Santos, Jose Renato G" <joserenato.santos@xxxxxx>
Delivery-date: Mon, 21 Nov 2005 22:51:16 +0000
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On Mon, 21 Nov 2005, xuehai zhang wrote:

> Renato and Tim,
> Thank you for your replies.
> Is there anyway to flush the dom0 file buffer before running hdparm on domU 
> each time?

hdparm calls an ioctl to flush it.  Maybe that should be passed thru.

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