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From: Tracy Reed <treed@ultraviolet.org>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "Pasi Kärkkäinen" <pasik@iki.fi>,
	xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
	Aoetools-discuss@lists.sourceforge.net
Subject: Re: [LKML] Re: [Xen-devel] domU is causing misaligned disk writes
Date: Tue, 20 Apr 2010 15:58:23 -0700	[thread overview]
Message-ID: <20100420225823.GX5660@tracyreed.org> (raw)
In-Reply-To: <20100420184038.GB32720@phenom.dumpdata.com>

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On Tue, Apr 20, 2010 at 02:40:38PM -0400, Konrad Rzeszutek Wilk spake thusly:
> .. and you failed to mention how you disk is setup to the guest. Are you
> setting it up via phy://dev/ether!d or are tap:aio or
> phy://dev/mapper/VG-LV ? Try to make it only via phy:// as that
> eliminates the Dom0 cache and any userspace program (blktap) from
> being in the picture.

Disk is set up like so:

disk = [ "phy:/dev/etherd/e1.28,xvde,w",
         "phy:/dev/etherd/e2.28,xvdf,w",
         "phy:/dev/etherd/e3.1,xvdc,w",
         "phy:/dev/etherd/e4.1,xvdd,w",
         "phy:/dev/etherd/e6.1,xvdg,w",
         "phy:/dev/etherd/e6.2,xvdh,w" ]


-- 
Tracy Reed
http://tracyreed.org

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  parent reply	other threads:[~2010-04-20 22:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-20  8:09 domU is causing misaligned disk writes Tracy Reed
2010-04-20  8:49 ` [Xen-devel] " Pasi Kärkkäinen
2010-04-20  8:54   ` Pasi Kärkkäinen
     [not found]     ` <20100420184038.GB32720@phenom.dumpdata.com>
2010-04-20 22:58       ` Tracy Reed [this message]
2010-04-20 19:39   ` Tracy Reed
2010-04-20 19:54     ` Pasi Kärkkäinen
2010-04-20 20:03       ` Tracy Reed
2010-04-20 20:00   ` Tracy Reed
2010-04-20 20:25     ` Konrad Rzeszutek Wilk
2010-04-20 21:19       ` Tracy Reed
2010-04-28 19:55         ` [Aoetools-discuss] " Gabor Gombas
2010-04-20 20:41     ` Brendan Cully
2010-04-20 21:58       ` Tracy Reed

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