DATAGAURD BROKER CONFIGURATION
Introduction:
Oracle Data Guard Broker is a management framework that automates and simplifies the configuration, monitoring, and administration of Oracle Data Guard environments. It provides a centralized interface to manage both primary and standby databases, ensuring smooth switchover, failover, and reinstatement operations. By using Data Guard Broker, DBAs can reduce complexity, minimize manual errors, and improve the overall reliability of the disaster recovery setup.
STEP 1 (on Primary server)
Need to set the parameter dg_broker_start=true
alter system set dg_broker_start=true;
Step 2 (on standby server)
Need to set the dg_broker_start=true on the standby server alter system set dg_broker_start=true;
Step 3(on primary server)
Need to disable the log_archive_dest_2 parameter on the primary server
alter system set log_archive_dest_2=”;
Step 4(on standby server)
Need to disable the parameter log_archive_dest_2
alter system set log_archive_dest_2=”;
Step 5(on DGMGRL utility)
Login into the dgmgrl utility and connect to the primary database
create the primary entry into the dgmgrl utility
create configuration ‘doyensys‘ as primary database is ‘PRIMARY’ connect identifier is PRIMARY;
Step 6 ( on DGMGRL utility)
Now configure the standby server into the dgmgrl utility
add database ‘STANDBY’ as connect identifier is STANDBY maintained as physical;
Step 7(DGMGRL utility)
By default the the broker is in disable mode we need to manually enable it
need to enable the configuration
enable configuration;
Conclusion:
Implementing Oracle Data Guard Broker streamlines disaster recovery management and ensures high availability with minimal manual intervention. With its automated monitoring, fast role transitions, and simplified configuration, it becomes a critical tool for maintaining business continuity. By setting up and managing Data Guard through the broker, organizations can achieve a resilient, efficient, and easily maintainable standby database environment.
