The Cluster Ready Service on the node coordinating the upgrade of the Oracle Cluster Registry format terminated.
The Oracle Cluster Registry format upgrade will be completed by another node in the cluster. The Cluster Ready Service on the node listed above will be automatically restarted, and will be able to function as soon as the upgrade completes. If the problem persists, contact Oracle Support Services.
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Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/crsus.htm