From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49851) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aRc6Z-0005zy-1J for qemu-devel@nongnu.org; Fri, 05 Feb 2016 03:51:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aRc6U-0000XG-W7 for qemu-devel@nongnu.org; Fri, 05 Feb 2016 03:51:02 -0500 Received: from mx2.parallels.com ([199.115.105.18]:53986) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aRc6U-0000Wq-QJ for qemu-devel@nongnu.org; Fri, 05 Feb 2016 03:50:58 -0500 References: <1454151394-52320-1-git-send-email-vsementsov@virtuozzo.com> <20160203081418.GC25746@ad.usersys.redhat.com> From: "Denis V. Lunev" Message-ID: <56B45D3A.405@virtuozzo.com> Date: Fri, 5 Feb 2016 11:28:42 +0300 MIME-Version: 1.0 In-Reply-To: <20160203081418.GC25746@ad.usersys.redhat.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 0/6] external backup api List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Fam Zheng , Vladimir Sementsov-Ogievskiy Cc: kwolf@redhat.com, jsnow@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com 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.