[ovirt-users] Change management network

Chris Boot lists at bootc.boo.tc
Fri Feb 23 13:31:12 UTC 2018

On 22/02/18 17:15, Chris Boot wrote:
> Hi all,
> I have an oVirt cluster on which I need to change which VLAN is the
> management network.
> The new management network is an existing VM network. I've configured IP
> addresses for all the hosts on this network, and I've even moved the
> HostedEngine VM onto this network. So far so good.
> What I cannot seem to be able to do is actually change the "management
> network" toggle in the cluster to this network: the oVirt Engine
> complains saying:
> "Error while executing action: Cannot edit Network. Changing management
> network in a non-empty cluster is not allowed."
> How can I get around this? I clearly cannot empty the cluster, as the
> cluster contains all my existing VMs, hosts and HostedEngine.

It seems I have to create a new cluster, migrate a host over, migrate a
few VMs, and so on until everything is moved over. This really isn't
ideal as the VMs have to be shut down and reconfigured, but doable.

What I seem to be stuck on is changing the cluster on the HostedEngine.
I actually have it running on a host in the new cluster, but it still
appears in the old cluster on the web interface with no way to change this.

Any hints, please?

This is on oVirt 4.1.9. Upgrading to 4.2.1 is not out of the question if
it's likely to help.


Chris Boot
bootc at boo.tc

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