Dear Simone,

This is my experience too, but I'm now hitting this error on the hosted-engine 
install at the part where it registers the hypervisor as the first host in the 
engine:

2019-03-28 12:40:50,025Z INFO  
[org.ovirt.engine.core.bll.host.HostConnectivityChecker] 
(EE-ManagedThreadFactory-engine-Thread-1) [49f371c1] Engine managed to 
communicate with VDSM
 agent on host 'virthyp04.virt.in.bmrc.ox.ac.uk' with address 
'virthyp04.virt.in.bmrc.ox.ac.uk' ('db571f8a-fc85-40d3-b86f-c0038e3cd7e7')
2019-03-28 12:40:53,111Z WARN  
[org.ovirt.engine.core.bll.network.NetworkConfigurator] 
(EE-ManagedThreadFactory-engine-Thread-1) [49f371c1] Failed to find a valid 
interface 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.
2019-03-28 12:40:53,111Z ERROR 
[org.ovirt.engine.core.bll.hostdeploy.InstallVdsInternalCommand] 
(EE-ManagedThreadFactory-engine-Thread-1) [49f371c1] Exception: 
org.ovirt.engine.cor
e.bll.network.NetworkConfigurator$NetworkConfiguratorException: Interface 
ovirtmgmt is invalid for management network

The host's ovirtmgmt network connection is a statically assigned IP on a VLAN 
on a bond, how should I be configuring this if not manually?

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. cal...@well.ox.ac.uk<mailto:cal...@well.ox.ac.uk>

On 27 Mar 2019, at 17:09, Simone Tiraboschi 
<stira...@redhat.com<mailto:stira...@redhat.com>> wrote:



On Wed, Mar 27, 2019 at 4:27 PM Callum Smith 
<cal...@well.ox.ac.uk<mailto:cal...@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. cal...@well.ox.ac.uk<mailto:cal...@well.ox.ac.uk>

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



On Wed, Mar 27, 2019 at 3:24 PM Callum Smith 
<cal...@well.ox.ac.uk<mailto:cal...@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<http://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. cal...@well.ox.ac.uk<mailto:cal...@well.ox.ac.uk>

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