ADOP Doesn't Failover To Alternate Nodes On RAC Database Failing With ORA-12521
Last updated on MAY 23, 2016
Applies to:Oracle Applications DBA - Version 12.2 to 12.2.5 [Release 12.2Cloud to 12.2]
Information in this document applies to any platform.
Unable to perform any adop operations when the primary rac instance is down. (The application is alive by connecting to the surviving rac instance).
ADOP fails with:
***** E R R O R *****
User : APPS
ORA-12521: TNS:listener does not currently know of instance requested in
Primary RAC node is down (Node crash, Hardware Contentions or Maintenance operations cause the Node 1 to be brought down).
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