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The issue was in the starting order of the service.
To fix the issue stop the Libvirt service and start the service by issuing
the command: systemctl start libvirtd-tcp.socket

On Mon, Oct 18, 2021 at 12:12 PM Swogat Pradhan <swogatpradhan22 at gmail.com>
wrote:

> Hi,
> I am using openstack victoria and i am facing an issue when using the
> live-migration feature.
> After choosing the live-migration of an instance from Compute1 to compute2
> i am getting an error in nova-compute.log (of compute 1) stating:
>
> *ERROR nova.virt.libvirt.driver [-] [instance:
> 59c95d46-2cbc-4787-89f7-8b36b826ffad] Live Migration failure: operation
> failed: Failed to connect to remote libvirt URI qemu+tcp://compute2/system:
> unable to connect to server at 'compute2:16509': Connection refused:
> libvirt.libvirtError: operation failed: Failed to connect to remote libvirt
> URI qemu+tcp://compute2/system: unable to connect to server at
> 'compute2:16509': Connection refused*
>
> Which states that the libvirtd.tcp socket is not running (libvirtd should
> run on 16509 port inorder for live-migration to succeed).
>
> Journalctl -xe output
>
> *Oct 18 06:32:52 compute2 systemd[1]: libvirtd-tcp.socket: Socket service
> libvirtd.service already active, refusing.Oct 18 06:32:52 compute2
> systemd[1]: Failed to listen on Libvirt non-TLS IP socket.*
>
> I am trying to solve the above issue by adding --listen in the
> libvirtd_opts parameter in the service file and also in the
> /etc/default/libvirtd file.
> But after doing that the libvirtd service doesn't start.
>
> Can someone suggest a way forward for this?
>
> Thank you
> With regards,
> Swogat Pradhan
>
>
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