Hi.

In case that you didn't did it already, and assuming TCP as transport protocol, maybe you can try a 'tpdump -i any' and grepping by IP address of 'source' machine on 'destination' machine to make sure that there's connectivity between machines.

Regards.

Javier

El 01/04/2013 18:18, "Hari Pyla" <harip@vt.edu> escribió:
Thank you for the prompt response Eric. I restarted the domain and the error disappeared.
Now I have the following error.

[user@n0 ~]$ virsh --c qemu:///system migrate --verbose Fedora-17-x86_64-1 qemu+ssh://n1/system

error: unable to connect to server at 'n1:49157': No route to host

or

[user@n0 ~]$ virsh --connect qemu:///system migrate --live Fedora-17-x86_64-1 qemu+ssh://n1/system tcp://n1 --unsafe --verbose

error: unable to connect to server at 'n1:49158': No route to host

On both the nodes n0 and n1 I've disabled SELinux and I've opened ports from 49152:49215. Any ideas on what is causing this error.

Thanks,
--Hari


On 4/1/13 12:02 PM, Eric Blake wrote:
On 04/01/2013 09:53 AM, Hari Pyla wrote:
Hi,
  I am trying to migrate a VM from one node to another and I get the
following error message.

[user@n0 ~]$ virsh --c qemu:///system migrate --verbose
Fedora-17-x86_64-1 qemu+ssh://n1/system

error: XML error: missing security model when using multiple labels

On both the src and dest nodes, I've disabled SELinux and I have the
following libvirt version installed

$virsh --connect qemu:///system version --daemon
Compiled against library: libvirt 0.10.2
Using library: libvirt 0.10.2
Using API: QEMU 0.10.2
Running hypervisor: QEMU 0.12.1
Running against daemon: 0.10.2
The error message sounds a lot like this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=923946

If it is the same, then upgrading both libvirt to the just-released
1.0.4 should fix the problem.


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