Description of the illustration Description of the illustration dataguard_broker_dgpdb_config.eps

This figure shows a DG PDB configuration consisting of a source configuration, BROKER CONFIG1, and a target configuration, BROKER CONFIG2. At the top of the figure, there is a terminal displayed to represent the user interfaces for managing the Data Guard environment: the Data Guard command-line interface (DGMGRL).

On the source configuration, this figure shows the redo transport services in addition to the following main components: the source database CDB BOSTON, Oracle Data Guard monitor (DMON), the online redo log files, and the archived redo log files. The figure also shows standby redo log files in outlined form on the primary side; the standby redo logs are outlined to indicate they are currently inactive but have been configured in preparation for a switchover to the standby role.

The target configuration includes the following components: a target database named NEWYORK, log apply services, the Data Guard monitor, online redo logs, archived redo log files, and standby redo log files. Finally, the figure shows DMON processes on the primary and standby configurations communicating with each other over Oracle Net.