Last updated on MARCH 02, 2017
Applies to:
Oracle VM - Version 3.0.1 and laterLinux x86-64
Symptoms
You have a surplus server that you would like to add to an existing Oracle VM server group. Attempts to add the server fail with errors about the server already being in a cluster.
Errors Found In The Oracle VM Manager Logs
On the Oracle VM Manager host, check the AdminServer logs you may find entries similar to:
OVMAPI_4004E Server Failed Command: dispatch https://?uname?:?pwd?@10.249.245.75:8899/api/3 configure_server_for_cluster lun /dev/mapper/360050768019e 01ed6000000000000987 0004fb0000050000690ae36e341f6b13 , Status: org.apache.xmlrpc.XmlRpcException: exceptions.Exception:Already in cluster: xxxxxxxxxxx
This entry positively identifies the cause. However, this error may be present even without this log entry.
Errors Found On The Oracle VM Server
If you inspect the /var/log/ovs-agent.log on the server that could not be added, you should find entries similar to:
[2014-03-11 14:17:43 56918] ERROR (service:96) catch_error: Already in cluster: xxxxxxxxxxxx
If this entry is present, you do have the issue. If you find no entry, verify the connection between this machine and the Oracle VM Manager host; possibly the incoming directive for joining the pool was not received.
Cause
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