High Availability Data Guard, Sharding and Global Data Services (MOSC)

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ORA-12514: TNS:listener does not currently know of service requested in connect descriptor

edited May 3, 2022 7:07PM in High Availability Data Guard, Sharding and Global Data Services (MOSC) 2 commentsAnswered

I am trying to create a Physical Standby RAC database for my RAC Prod database. Oracle DB version is 19.13. Password file from Prod (ASM) has been copied over to Standby server (oracle_home/dbs). Standby database is in NOMOUNT status.

Prod:  (db_unique_name: prod),  (instances: prod1,  prod2,  prod3)

Standy: (db_unique_name: prod_dg), (instances: prod_dg1, prod_dg2)

I can connect to prod database from both Prod and Standby servers using (sqlplus sys@prod as sysdba). But I cannot connect to the standby database from both Prod and Standby servers using (sqlplus sys@prod_dg as sysdba). I get error : ORA-12514: TNS:listener does not currently know of service requested in connect descriptor.

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