From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57538) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZYHDq-0005g9-PU for qemu-devel@nongnu.org; Sat, 05 Sep 2015 13:25:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZYHDm-0005sM-DT for qemu-devel@nongnu.org; Sat, 05 Sep 2015 13:25:50 -0400 Received: from relay.parallels.com ([195.214.232.42]:54459) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZYHDm-0005sB-53 for qemu-devel@nongnu.org; Sat, 05 Sep 2015 13:25:46 -0400 Message-ID: <55EB258B.8070301@virtuozzo.com> Date: Sat, 5 Sep 2015 20:25:31 +0300 From: Vladimir Sementsov-Ogievskiy MIME-Version: 1.0 References: <1441471439-6157-1-git-send-email-vsementsov@virtuozzo.com> In-Reply-To: <1441471439-6157-1-git-send-email-vsementsov@virtuozzo.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3 RFC 0/17] block: persistent dirty bitmaps List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, den@openvz.org, jsnow@redhat.com Add feature: Migration of BdrvDirtyBitmap.file field. Bitmap 'percistancy' can be migrated only if its(bitmap) storage disk has id and the destination qemu has disk with same id. Stefan Hajnoczi wrote: > Code might be necessary to ensure that: > > 1. The source host does not store the bitmap after successful live > migration handover. (It could overwrite new data with old data!) > > 2. The destination host does not discard an "in_use" bitmap when it > opens the qcow2 file before migration handover. > -- Best regards, Vladimir * now, @virtuozzo.com instead of @parallels.com. Sorry for this inconvenience.