On Wed, Mar 27, 2019 at 4:27 PM Callum Smith <callum@well.ox.ac.uk> wrote:
It's ok, migrating to 4.3.2 on the oVirt node (from 4.3.0) did the job of fixing it.

It is a bug if you intend on using the ovirtmgmt network to deploy your ansible from

This is a bit tricky: when the engine brings up the host it also creates the management bridge and this could lead to a temporary network down on the selected interface for the bridge creation time (a couple of seconds?)
I tried it on a LAN and ansible ssh connection always survived but I 'm not sure it's always true.
 
, and you need it to have an IP address already on that range! But - it works as expected with the ovirtmgmt bridge setup so nothing to worry about.

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 27 Mar 2019, at 14:57, Simone Tiraboschi <stirabos@redhat.com> wrote:



On Wed, Mar 27, 2019 at 3:24 PM Callum Smith <callum@well.ox.ac.uk> wrote:
Dear All,

We're trying to deploy our hosted engine remotely using the ansible hosted engine playbook, which has been a rocky road but we're now at the point where it's installing, and failing. We've got a pre-defined bond/VLAN setup for our interface which has the correct bond0 bond0.123 and ovirtmgmt bridge on top but we're hitting the classic error:

Failed to find a valid in
terface for the management network of host virthyp04.virt.in.bmrc.ox.ac.uk. If the interface ovirtmgmt is a bridge, it should be torn-down manually.

Does this bug still exist in the latest (4.3) version, and is installing using ansible with this network configuration impossible?

I don't think it's a bug; please avoid manually creating ovirtmgmt and simply set:
he_bridge_if: "bond0.123", in ansible variable file and the management bridge will be created for you at host-deploy time.
 

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

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