From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45899) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZCGht-0003lf-Bw for qemu-devel@nongnu.org; Mon, 06 Jul 2015 20:25:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZCGhq-0006ta-6B for qemu-devel@nongnu.org; Mon, 06 Jul 2015 20:25:53 -0400 Received: from e39.co.us.ibm.com ([32.97.110.160]:50109) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZCGhp-0006rt-L2 for qemu-devel@nongnu.org; Mon, 06 Jul 2015 20:25:50 -0400 Received: from /spool/local by e39.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 Jul 2015 18:25:47 -0600 Message-ID: <559B1C92.90400@linux.vnet.ibm.com> Date: Mon, 06 Jul 2015 19:25:54 -0500 From: "Michael R. Hines" MIME-Version: 1.0 References: <1435635285-5804-1-git-send-email-wency@cn.fujitsu.com> <20150703153011.GD2142@work-vm> <5597D5BA.6030500@gmail.com> In-Reply-To: <5597D5BA.6030500@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH COLO-BLOCK v7 00/17] Block replication for continuous checkpoints List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wen Congyang , "Dr. David Alan Gilbert" , Wen Congyang Cc: Kevin Wolf , Fam Zheng , Lai Jiangshan , qemu block , Jiang Yunhong , Dong Eddie , qemu devel , Max Reitz , Stefan Hajnoczi , Paolo Bonzini , Yang Hongyang On 07/04/2015 07:46 AM, Wen Congyang wrote: > At 2015/7/3 23:30, Dr. David Alan Gilbert Wrote: >> * Wen Congyang (wency@cn.fujitsu.com) wrote: >>> Block replication is a very important feature which is used for >>> continuous checkpoints(for example: COLO). >>> >>> Usage: >>> Please refer to docs/block-replication.txt >>> >>> You can get the patch here: >>> https://github.com/wencongyang/qemu-colo/commits/block-replication-v7 >>> >>> You can get ths patch with framework here: >>> https://github.com/wencongyang/qemu-colo/commits/colo_framework_v7.2 >> >> Hi, >> I seem to be having problems with the new listed syntax on the wiki; >> on the secondary I'm getting the error >> >> Block format 'replication' used by device 'virtio0' doesn't support >> the option 'export' >> >> ./try/bin/qemu-system-x86_64 -enable-kvm -nographic \ >> -boot c -m 4096 -smp 4 -S \ >> -name debug-threads=on -trace events=trace-file \ >> -netdev tap,id=hn0,script=$PWD/ifup-slave,\ >> downscript=no,colo_script=$PWD/qemu/scripts/colo-proxy-script.sh,colo_nicname=em4 >> \ >> -device e1000,mac=9c:da:4d:1c:b5:89,id=net-pci0,netdev=hn0 \ >> -device virtio-rng-pci \ >> -drive >> if=none,driver=raw,file=/home/localvms/bugzilla.raw,id=colo1,cache=none,aio=native >> \ >> -drive >> if=virtio,driver=replication,mode=secondary,export=colo1,throttling.bps-total-max=70000000,\ >> file.file.filename=$TMPDISKS/colo-active-disk.qcow2,\ >> file.driver=qcow2,\ >> file.backing.file.filename=$TMPDISKS/colo-hidden-disk.qcow2,\ >> file.backing.driver=qcow2,\ >> file.backing.backing.backing_reference=colo1,\ >> file.backing.allow-write-backing-file=on \ >> -incoming tcp:0:8888 > > Sorry, the option export is removed, because we use the qmp command > nbd-server-add to let a BB be NBD server. > Still doesn't work. The server says: nbd.c:nbd_receive_options():L447: read failed nbd.c:nbd_send_negotiate():L562: option negotiation failed - Michael