There was an error setting Oracle IOServer to rolling patch mode.
Verify using the 'srvctl status ioserver' command that the Oracle IOServer instance is active, and inspect the accompanying IOServer-specific error messages to see if there is a correctable problem. If so, correct the problem and retry the 'crsctl start rollingpatch' command. 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