[libvirt-users] live vnc port change

Fırat KÜÇÜK firat at codv.io
Fri Nov 6 11:24:27 UTC 2015

Thanks Jirka,

--xml parameter worked.

On 06-11-2015 12:47, Jiri Denemark wrote:
> On Fri, Nov 06, 2015 at 10:57:58 +0300, Fırat KÜÇÜK wrote:
>> Hello,
>> I want to live migrate a vm from one host to another host. Bu I got this
>> error:
>> error: internal error: process exited while connecting to monitor:
>> 2015-11-06T07:53:59.006762Z qemu-system-x86_64: Failed to start VNC
>> server on `': Failed to bind socket: Address already in use
> Did you explicitly ask for this port in the domain XML? What does the
> <graphics> element in the domain XML look like? In case you explicitly
> asked for port 3 I suggest switching to autoport to avoid similar issues
> in the future.
>> The same VNC port is in use at the destination host. Is it possible to
>> change port address without rebooting the server?
> Yes, you can change the port number while migrating:
> - "virsh dumpxml --migratable VM > VM.xml"
> - edit VM.xml and change the port number
> - add "--xml VM.xml" option to you virsh migrate command
> Jirka

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