Open Stack

Check you can ping the destination host using the host name -
compute1-VirtualBox - as this is what Nova passes to libvirt when
doing live migration.

On Thu, Jul 30, 2015 at 2:20 PM, Abhishek Talwar
<abhishek.talwar at tcs.com> wrote:
> Hi,
>
> I have a multinode OpenStack kilo setup with 2 compute nodes, a controller
> and a network node. I am trying to migrate a Vm from host to the other, but
> there is a migration failure and the VM stays on the same host.
>
> I can ping between the compute nodes, and I have set libvirt to listen mode.
> Using the following steps:
>
> Modify /etc/libvirt/libvirtd.conf. before : #listen_tls = 0 after :
> listen_tls = 0
>
> before : #listen_tcp = 1 after : listen_tcp = 1
>
> add: auth_tcp = "none"
>
> Modify /etc/init/libvirt-bin.conf. before : exec /usr/sbin/libvirtd -d after
> : exec /usr/sbin/libvirtd -d -l -l is short for –listen
>
> Modify /etc/default/libvirt-bin. before :libvirtd_opts=" -d" after
> :libvirtd_opts=" -d -l"
>
> Restart libvirt. After executing the command, ensure that libvirt is
> successfully restarted. $ stop libvirt-bin && start libvirt-bin $ ps -ef |
> grep libvirt
>
> Nova compute(Compute) logs:
>
> 2015-07-30 10:05:56.928 2101 ERROR nova.virt.libvirt.driver [-] [instance:
> e8a310e6-3682-44fd-93b2-4e2564de047d] Live Migration failure: operation
> failed: Failed to connect to remote libvirt URI
> qemu+tcp://compute1-VirtualBox/system: Unable to resolve address
> 'compute1-VirtualBox' service '16509': Name or service not known 2015-07-30
> 10:05:57.029 2101 ERROR nova.virt.libvirt.driver [-] [instance:
> e8a310e6-3682-44fd-93b2-4e2564de047d] Migration operation has aborted
>
>
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