From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:57516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgCxu-00044F-B8 for qemu-devel@nongnu.org; Mon, 11 Jul 2011 05:39:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QgCxt-00008t-C0 for qemu-devel@nongnu.org; Mon, 11 Jul 2011 05:39:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55502) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgCxt-00008n-51 for qemu-devel@nongnu.org; Mon, 11 Jul 2011 05:39:45 -0400 Message-ID: <4E1AC47A.9000900@redhat.com> Date: Mon, 11 Jul 2011 11:38:02 +0200 From: Jes Sorensen MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Taking live snapshots of running VMs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Ahmed M. Azab" Cc: qemu-devel@nongnu.org On 07/09/11 00:24, Ahmed M. Azab wrote: > Hi All, > > Is there a way to take a live memory snapshot of a running VM without > freezing or stopping this VM? > > I explored the Qemu code and documentation and I found two ways to > take a snapshot: What you are talking about is called a 'checkpoint', not a snapshot. There has been a lot of confusion around the naming, but it really helps if we try to use the right names. Checkpoints are for things you want to be able to restart, ie. with memory, snapshots are just data, ie. disks. Cheers, Jes