12c RAC: Map Instances Of Policy Managed Database To Nodes

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In contrast to admin-managed databases, in case of policy managed databases, there is no predefined mapping of an instance to a node. Hence any instance can run on any node. In case we need to connect to a specific instance using OS authentication, we need to

  •  find out the node where the instance is runnin
  •   set ORACLE_SID to the instance name
  •   Connect to the instance locally.

Now this problem can be (more...)