From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48871) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aRc0V-0003xB-4d for qemu-devel@nongnu.org; Fri, 05 Feb 2016 03:44:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aRc0R-000814-4Z for qemu-devel@nongnu.org; Fri, 05 Feb 2016 03:44:47 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48127) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aRc0Q-00080t-Vl for qemu-devel@nongnu.org; Fri, 05 Feb 2016 03:44:43 -0500 Date: Fri, 5 Feb 2016 16:44:38 +0800 From: Fam Zheng Message-ID: <20160205084438.GJ5187@ad.usersys.redhat.com> References: <1454151394-52320-1-git-send-email-vsementsov@virtuozzo.com> <20160203081418.GC25746@ad.usersys.redhat.com> <56B45D3A.405@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56B45D3A.405@virtuozzo.com> Subject: Re: [Qemu-devel] [PATCH v2 0/6] external backup api List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Denis V. Lunev" Cc: kwolf@redhat.com, Vladimir Sementsov-Ogievskiy , jsnow@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com On Fri, 02/05 11:28, Denis V. Lunev wrote: > On 02/03/2016 11:14 AM, Fam Zheng wrote: > >On Sat, 01/30 13:56, Vladimir Sementsov-Ogievskiy wrote: > >>Hi all. > >> > >>These series which aims to add external backup api. This is needed to allow > >>backup software use our dirty bitmaps. > >> > >>Vmware and Parallels Cloud Server have this feature. > >What is the advantage of this appraoch over "drive-backup sync=incremental > >..."? > > This will allow third-party vendors to backup QEMU VMs into > their own formats or to the cloud etc. Yes, I see, thanks for explaining.