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

Hi

I have a switchover problem.Please help to see what's wrong on my setting.

Two nodes cluster database on 11.2.0.3 as primary.

db_name: prd1108

db_unique_name: prd1108

instances: prd11081,prd11082

service_names: prd1108

One node cluster database on 11.2.0.3 as physical standby.

db_name: prd1108

db_unique_name: p1108sb1

instance_name: p1108sb1

service_names: p1108sb1

I have checked that all network settitng are correct. Each node can tnsping all above services.

From original primary node, I can use dgmgrl to do switchover.

But when I try to switchover from the new primary (p1108sb1) back to new standby (prd1108), it cannot complete. I have checked and see the listener is working fine.

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