From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45121) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfGre-0002Fy-KX for qemu-devel@nongnu.org; Wed, 22 May 2013 17:46:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UfGra-0005RR-4P for qemu-devel@nongnu.org; Wed, 22 May 2013 17:46:30 -0400 Received: from mail-ea0-x235.google.com ([2a00:1450:4013:c01::235]:45307) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfGrZ-0005RL-Sk for qemu-devel@nongnu.org; Wed, 22 May 2013 17:46:26 -0400 Received: by mail-ea0-f181.google.com with SMTP id a11so1408761eae.12 for ; Wed, 22 May 2013 14:46:24 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <519D3CA7.8020501@redhat.com> Date: Wed, 22 May 2013 23:46:15 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20130516134415.GB9846@redhat.com> <20130522164219.GW4515@redhat.com> <20130522192656.GX4515@redhat.com> <20130522204730.GZ4515@redhat.com> In-Reply-To: <20130522204730.GZ4515@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC] block-trace Low Level Command Supporting Disk Introspection List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Richard W.M. Jones" Cc: Wolfgang Richter , qemu-devel , stefanha Il 22/05/2013 22:47, Richard W.M. Jones ha scritto: >> > >> > I meant if there was interest in reading from a disk that isn't fully >> > synchronized >> > (yet) to the original disk (it might have old blocks). Or would you only >> > want to >> > connect once a (complete) snapshot is available (synchronized completely to >> > some point-in. > IIUC a disk which wasn't fully synchronized wouldn't necessarily be > interpretable by libguestfs, so I guess we would need the complete > snapshot. In the case of point-in-time backups (Stefan's block-backup) the plan is to have the snapshot complete from the beginning. Paolo