CDB/Active Standby

The architecture of CDB/Active Standby is centered around several key components designed to ensure data replication and facilitate failover for DB2 on z/OS. The Replication Engine is responsible for capturing changes from the primary DB2 logs and transmitting them to the standby system. The Synchronization Manager ensures data consistency between the primary and standby databases.

The Monitoring Agent provides real-time status updates and performance metrics, which can be used for proactive monitoring and alerting. The Failover Manager automates the failover process, allowing for a quick transition to the standby system in case of a primary system failure. Communication between the primary and standby systems is handled via TCP/IP.

The Replication Engine uses DB2's internal protocols to replicate data. The system leverages RACF for user authentication and access control. The CLI is the primary interface for administrative tasks, including configuration and monitoring.

The configuration files store settings such as network addresses, DB2 subsystem names, and replication intervals. The Monitoring Agent integrates with system management tools to provide real-time status and performance metrics. The Failover Manager can be integrated with automation scripts to streamline the failover process.

Compared to other solutions, CDB/Active Standby's architecture is optimized for the z/OS environment, providing a streamlined and secure approach to disaster recovery.