Hi
I am looking for help after my oVirt upgrade failed.
I have upgraded from ovirt 4.3 to 4.4 following the instructions here:
https://www.ovirt.org/documentation/upgrade_guide/#Upgrading_from_4-3
<https://www.ovirt.org/documentation/upgrade_guide/#Upgrading_from_4-3>
It's a single-host (standalone engine) test environment.
I wiped CentOS 7 and reinstalled a fresh CentOS 8.
I installed the oVirt 4.4 repo and all the necessary software packets.
I used `engine-backup --mode=restore
--file=/tmp/ovirt-engine-pre-upgrade.backup --provision-all-databases` from a
backup file I created before I started the upgrade.
After the restore, I ran `engine-setup`.
I did not get any errors during any of these steps on the console.
So the upgrade could be considered successful from that perspective.
After the upgrade, I login to the ovirt admin portal, and I try to "Activate"
my host (was set to "Maintenance" mode before upgrade).
The Activation fails with error "NonResponsive" in the GUI.
Under the "bell" icon, I find the Event "Host nuc1.feric.ch is non responsive.”
In /var/log/ovirt-engine/engine.log, I find the following error:
```
2020-11-09 23:12:21,080+01 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesAsyncVDSCommand]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-47) []
Command 'GetCapabilitiesAsyncVDSCommand(HostName = nuc1.feric.ch,
VdsIdAndVdsVDSCommandParametersBase:{hostId='d7c30cc0-ac59-4cf3-a1e7-b9fae9db83fb',
vds=‘Host[nuc1.feric.h,d7c30cc0-ac59-4cf3-a1e7-b9fae9db83fb]'})' execution
failed: java.net.ConnectException: Connection refused
```
`systemctl status ovirt-engine` shows that the engine is running.
I am able to reboot the host from the oVirt GUI directly.
Does anyone have an idea how to proceed?
Many thanks
Toni_______________________________________________
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