From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [Qemu-devel] Re: KVM call minutes for June 8 Date: Thu, 10 Jun 2010 07:53:56 -0500 Message-ID: <4C10E064.5090106@codemonkey.ws> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "Daniel P. Berrange" , Chris Wright , kvm-devel , armbru@redhat.com, qemu-devel@nongnu.org, Luiz Capitulino To: Kevin Wolf Return-path: Received: from mail-vw0-f46.google.com ([209.85.212.46]:57774 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753601Ab0FJMx7 (ORCPT ); Thu, 10 Jun 2010 08:53:59 -0400 Received: by vws17 with SMTP id 17so3775413vws.19 for ; Thu, 10 Jun 2010 05:53:58 -0700 (PDT) In-Reply-To: <4C10B3AF.5000201@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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 >