From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:34141) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TYg0H-00051f-OG for qemu-devel@nongnu.org; Wed, 14 Nov 2012 11:39:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TYfwP-000329-Ks for qemu-devel@nongnu.org; Wed, 14 Nov 2012 11:35:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37729) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TYfwM-00030Z-UQ for qemu-devel@nongnu.org; Wed, 14 Nov 2012 11:35:52 -0500 Message-ID: <50A3C853.4010809@redhat.com> Date: Wed, 14 Nov 2012 17:35:31 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <50A0E79F0200009100082E4C@novprvoes0310.provo.novell.com> <50A2250A.4070108@redhat.com> <4B45B535F7F6BE4CB1C044ED5115CDDE012D550D234B@LONPMAILBOX01.citrite.net> In-Reply-To: <4B45B535F7F6BE4CB1C044ED5115CDDE012D550D234B@LONPMAILBOX01.citrite.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] block: vpc support for ~2 TB disks List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Thanos Makatos Cc: Charles Arnold , Kevin Wolf , "xen-devel@lists.xensource.com" , Stefano Stabellini , "qemu-devel@nongnu.org" , "stefanha@redhat.com" Il 14/11/2012 17:25, Thanos Makatos ha scritto: > We don't use qemu's VHD driver in XenServer. Instead, we use blktap2 > to create a block device in dom0 serving the VHD file in question, > and have qemu open that block device instead of the VHD file itself. Yes, the question is how you handle disks bigger than 127GB, so that QEMU can do the same. Paolo