Second SCAN-Listener
Since Oracle 12c you create and use a second (or even more) SCAN-Listener for Load-Balancing, Failover, etc. This can be useful to separate Network traffic e.g. for Dataguard or Shareplex replication. Like the ordinary SCAN-Listener you need two additional VIP- and three additional SCAN-Addresses. In the following example I want to separate the Dataguard traffic between a RAC Database with two nodes (morrison and manzarek) and a single node (daltrey) RAC Database as standby.
Second SCAN-Listener Blogbeitrag lesen »