Data Guard broker components
We can divide the Data Guard broker components into two—client-side and server-side interfaces—as shown in the following diagram:
Oracle Data Guard broker server-side components
The components of the Data Guard broker are the Data Guard Monitor process and the configuration file, as shown in the following diagram:
Data Guard Monitor process (DMON)
The DMON is installed as part of the Oracle database software and manifests as a background component when enabled. The DMON process on the primary database is the owner of the configuration. DMON controls all the databases by using configuration files. It maintains profiles of all the database objects in the configuration in the form of a binary configuration file. The configuration is maintained by the DMON process in all the standby databases of either a physical or a logical configuration. This two-way communication channel is used to pass requests between databases, to monitor the health of all the databases in the...
