Hello, To upgrade to cluster 4.5 you need a 8.3 host. I guess still CentOS 8.3 is not available. I am not sure on CentOS 8.3 availability. If it's available please make sure your host is upgraded to 8.3 . On Thu, Nov 12, 2020, 5:38 AM shadow emy <shadow.emy1@gmail.com> wrote:
Just to confirm i face similar problem. Yes i saw that warning too : "Upgrade Cluster Compatibility Level" to upgrade the Cluster to version 4.5. Though when i try to do that there are a lot of errors.
In GUI :
Error while executing action: Cannot change Cluster Compatibility Version to higher version when there are active Hosts with lower version. -Please move Host host1, host2, host3 with lower version to maintenance first.
In engine.log :
WARN [org.ovirt.engine.core.bll.UpdateClusterCommand] (default task-163) [2c681b74-8666-4f2f-b2e0-6b20e98f417e] Validation of action 'UpdateCluster' failed for user admin@internal-authz. Reasons: VAR__TYPE__CLUSTER,VAR__ACTION__UPDATE,$host host1, host2, host3,CLUSTER_CANNOT_UPDATE_COMPATIBILITY_VERSION_WITH_LOWER_HOSTS
I did not find any documentation for 4.5 cluster compatibility, so i like as well to understand why is that option present there. It will be used when ovirt 4.5.x will be released ?
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