Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753017Ab0DTW6Z (ORCPT ); Tue, 20 Apr 2010 18:58:25 -0400 Received: from mail.copilotco.com ([216.105.40.123]:52710 "EHLO mail.copilotco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750756Ab0DTW6Y (ORCPT ); Tue, 20 Apr 2010 18:58:24 -0400 Date: Tue, 20 Apr 2010 15:58:23 -0700 From: Tracy Reed To: Konrad Rzeszutek Wilk Cc: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= , 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 Message-ID: <20100420225823.GX5660@tracyreed.org> Mail-Followup-To: Tracy Reed , Konrad Rzeszutek Wilk , Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= , xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, Aoetools-discuss@lists.sourceforge.net References: <20100420080958.GN5660@tracyreed.org> <20100420084955.GV1878@reaktio.net> <20100420085436.GW1878@reaktio.net> <20100420184038.GB32720@phenom.dumpdata.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="j4ivd53YxxNwCQqF" Content-Disposition: inline In-Reply-To: <20100420184038.GB32720@phenom.dumpdata.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1361 Lines: 46 --j4ivd53YxxNwCQqF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 20, 2010 at 02:40:38PM -0400, Konrad Rzeszutek Wilk spake thusl= y: > .. 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 =3D [ "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" ] --=20 Tracy Reed http://tracyreed.org --j4ivd53YxxNwCQqF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFLzjGP9PIYKZYVAq0RAiKhAJ9oHlMR7zOerWx1wGpDQN+dwDn0SACfT7/J /XFm87tq/XTef/ghuzHZ3GI= =/vT8 -----END PGP SIGNATURE----- --j4ivd53YxxNwCQqF-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/