Once a host is in oVirt , you should not change the network ... or that's what 
I have been told.

You should remove the host from oVirt , do your configurations and then add the 
host back.

Best Regards,
Strahil Nikolov






В четвъртък, 24 септември 2020 г., 01:43:40 Гринуич+3, wodel youchi 
<wodel.you...@gmail.com> написа: 





Hi,

I deployed an HCI of three nodes using ovirt 4.3 on a flat network at the 
beginning, now we need to use VLAN on the management network.

I have ovirtmgmt over bond2, this bond will have three vlans : vlan 10 for 
management, vlan20 for DMZ and vlan30 for DMZ2.

On the switch, I did configure the concerned ports to support ; the native vlan 
(untagged), the vlan10 (tagged), ...etc.
Then I activated the tag on the ovirtmgmt network on the web UI, I did lose 
connexion to the hypervisors and things got weird, I then put my machine on 
vlan10, I saw that two of my hypervisors had their network configuration 
modified to use the vlan10, but not the hypervisor where the VM-engine was 
running.
I created the vlan manually on that hypervisor, then I started the VM-Manager, 
all hosts were recognized.
Then I stopped, then started the platforme again. Still the same problem, two 
hosts are correct with their vlan : bond2.10 created, but the third no vlan.
Doing the configuration manually works, but it does not survive reboot, is 
there a way to force vdsm to accept the new configuration on that faulty host?

Regards.
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