From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guido Winkelmann Subject: Re: I/O errors in guest OS after repeated migration Date: Wed, 17 Oct 2012 13:54 +0200 Message-ID: <1510481.QTrF9SkzaV@pc10> References: <4445323.hu543A05kM@pc10> <201210161244.28183.iggy@theiggy.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: kvm@vger.kernel.org To: Brian Jackson Return-path: Received: from unknownsite.de ([62.48.69.106]:38954 "EHLO hartes-hannover.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755169Ab2JQLyG (ORCPT ); Wed, 17 Oct 2012 07:54:06 -0400 In-Reply-To: <201210161244.28183.iggy@theiggy.com> Sender: kvm-owner@vger.kernel.org List-ID: Am Dienstag, 16. Oktober 2012, 12:44:27 schrieb Brian Jackson: > On Tuesday, October 16, 2012 11:33:44 AM Guido Winkelmann wrote: [...] > > The commandline, as generated by libvirtd, looks like this: > > > > LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin > > QEMU_AUDIO_DRV=none /usr/bin/qemu-kvm -S -M pc-0.15 -enable-kvm -m 1024 > > -smp 1,sockets=1,cores=1,threads=1 -name migratetest2 -uuid > > ddbf11e9-387e-902b-4849-8c3067dc42a2 -nodefconfig -nodefaults -chardev > > socket,id=charmonitor,path=/var/lib/libvirt/qemu/migratetest2.monitor,serv > > e > > r,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc > > -no-reboot -no- shutdown -device > > piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive > > file=/data/migratetest2_system,if=none,id=drive-virtio- > > disk0,format=qcow2,cache=none -device virtio-blk- > > pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio- > > disk0,bootindex=1 -drive file=/data/migratetest2_data-1,if=none,id=drive- > > virtio-disk1,format=qcow2,cache=none -device virtio-blk- > > pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1 - > > netdev tap,fd=27,id=hostnet0,vhost=on,vhostfd=28 -device virtio-net- > > pci,netdev=hostnet0,id=net0,mac=02:00:00:00:00:0c,bus=pci.0,addr=0x3 -vnc > > 127.0.0.1:2,password -k de -vga cirrus -incoming tcp:0.0.0.0:49153 -device > > virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 > > I see qcow2 in there. Live migration of qcow2 was a new feature in 1.0. Have > you tried other formats or different qemu/kvm versions? Are you sure about that? Because I'm fairly certain I have been using live migration since at least 0.14, if not 0.13, and I have always been using qcow2 as the image format for the disks... I can still try with other image formats, though. Guido