Hi,
I have setup two Compute nodes (using Openstack master branch) and configured
libvirt for block migration (by following step #1 and #4 mentioned
here<http://docs.openstack.org/diablo/openstack-compute/admin/content/configuring-live-migrations.html>).
In addition, I have also disabled apparmor for libvirtd profile and have an
entry in '/etc/hosts' of both the Compute hosts.
>From both the Compute hosts, I am able to connect and fetch the list of
>running instances on the other host (using the hostname), as follows:
virsh # connect qemu+tcp://ubuntu-dev-001/system
virsh # list
The issue is block migrating an instance between these hosts fails with the
following error in the source Compute host console:
libvir: QEMU error : operation failed: migration job: unexpectedly failed
2012-04-11 03:15:54 DEBUG nova.rpc.amqp [-] Making asynchronous call on network
... from (pid=18487) multicall /opt/stack/nova/nova/rpc/amqp.py:318
2012-04-11 03:15:54 DEBUG nova.rpc.amqp [-] MSG_ID is
8d91158236ae4de0bd8b89533f060892 from (pid=18487) multicall
/opt/stack/nova/nova/rpc/amqp.py:321
2012-04-11 03:15:54 DEBUG nova.rpc.amqp [-] Making asynchronous cast on
compute.ubuntu-dev-001... from (pid=18487) cast
/opt/stack/nova/nova/rpc/amqp.py:343
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/poll.py", line 97, in
wait
readers.get(fileno, noop).cb(fileno)
File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in
main
result = function(*args, **kwargs)
File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 2179, in
_live_migration
recover_method(ctxt, instance_ref, dest, block_migration)
File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
self.gen.next()
File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 2175, in
_live_migration
FLAGS.live_migration_bandwidth)
File "/usr/lib/python2.7/dist-packages/libvirt.py", line 689, in migrateToURI
if ret == -1: raise libvirtError ('virDomainMigrateToURI() failed',
dom=self)
libvirtError: operation failed: migration job: unexpectedly failed
Removing descriptor: 12
I find the following in the qemu log file
(/var/log/libvirt/qemu/instance-00000003.log ) on the destination Compute host:
2012-04-11 04:14:25.971: starting up
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-0.14 -enable-kvm -m 512 -smp
1,sockets=1,cores=1,threads=1 -name instance-00000003 -uuid
f58d5f32-6d55-43fb-89ed-c33ebf72d1ed -nodefconfig -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-00000003.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=readline -rtc base=utc -boot c
-kernel /opt/stack/nova/instances/instance-00000003/kernel -initrd
/opt/stack/nova/instances/instance-00000003/ramdisk -append root=/dev/vda
console=ttyS0 -drive
file=/opt/stack/nova/instances/instance-00000003/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device
virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
-netdev tap,ifname=tapfcfa2a6c-35,script=,id=hostnet0 -device
rtl8139,netdev=hostnet0,id=net0,mac=fa:16:3e:7d:32:27,bus=pci.0,addr=0x3
-chardev
file,id=charserial0,path=/opt/stack/nova/instances/instance-00000003/console.log
-device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1
-device isa-serial,chardev=charserial1,id=serial1 -usb -device
usb-tablet,id=input0 -vnc 127.0.0.1:0 -k en-us -vga cirrus -incoming
tcp:0.0.0.0:49166 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
Domain id=15 is tainted: high-privileges
Domain id=15 is tainted: shell-scripts
char device redirected to /dev/pts/17
2012-04-11 04:14:26.406: shutting down
can't delete tapfcfa2a6c-35 from eth1: Operation not supported
SIOCSIFADDR: Permission denied
SIOCSIFFLAGS: Permission denied
SIOCSIFFLAGS: Permission denied
/etc/qemu-ifdown: could not launch network script
Would be great if someone can point anything that I am missing here or any
configuration changes required to resolve this issue.
Thanks & Regards,
Unmesh Gurjar | Lead Engineer | Vertex Software Private Ltd. | w.
+91.20.6604.1500 x 379 | m. +91.982.324.7631 |
unmesh.gur...@nttdata.com<mailto:unmesh.gur...@nttdata.com> | Follow us on
Twitter@NTTDATAAmericas
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