[OVM 3.4.x] Discover Dom0 failed When Yum Repository not Reachable.
Last updated on APRIL 27, 2017
Applies to:Oracle VM - Version 3.4.1 and later
When setup "Server Update Groups" in VM Manager GUI, the yum repository will be setup and enabled to all the VM servers (dom0s).
For some reason, some yum repository might not be able to be reached any more, at this moment, if discover new VM server into VM Manager will be failed.
The ovs-agent.log will show errors like:
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