From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=33868 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OMhGi-00048h-LJ for qemu-devel@nongnu.org; Thu, 10 Jun 2010 08:54:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OMhGh-0002Xt-Kn for qemu-devel@nongnu.org; Thu, 10 Jun 2010 08:54:00 -0400 Received: from mail-vw0-f45.google.com ([209.85.212.45]:44748) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OMhGh-0002Xl-IJ for qemu-devel@nongnu.org; Thu, 10 Jun 2010 08:53:59 -0400 Received: by vws12 with SMTP id 12so223783vws.4 for ; Thu, 10 Jun 2010 05:53:58 -0700 (PDT) Message-ID: <4C10E064.5090106@codemonkey.ws> Date: Thu, 10 Jun 2010 07:53:56 -0500 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: KVM call minutes for June 8 References: <20100608150500.GA28492@x200.localdomain> <4C0E694F.8040607@codemonkey.ws> <20100608175952.5f43ea8f@redhat.com> <4C0EB281.80907@codemonkey.ws> <20100609121820.1f3bb47a@redhat.com> <20100609153107.GE28326@redhat.com> <4C0FBFDF.5050009@codemonkey.ws> <4C10B3AF.5000201@redhat.com> In-Reply-To: <4C10B3AF.5000201@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: Chris Wright , kvm-devel , qemu-devel@nongnu.org, armbru@redhat.com, Luiz Capitulino On 06/10/2010 04:43 AM, Kevin Wolf wrote: > > Huh, why this? Seems I still haven't understood all of qcow2 then... I > always thought that there's just a specific offset where VM state > starts, but no explicit end. > A live snapshot can last for a very long time. What happens if you need to allocate a new block for disk I/O while saving a snapshot? Regards, Anthony Liguori > Kevin >