Configuring a cluster automatically with the Db2 High Availability (HA) Feature
In a clustered environment, some database manager instance configuration and administration operations require related cluster configuration changes. The Db2 High Availability Feature (HA) Feature enables the database manager to automatically request cluster manager configuration changes whenever you perform certain database manager instance configuration and administration operations.
Before you begin
- db2haicu
- This creates a cluster domain for the instance managed by IBM® Tivoli® System Automation for Multiplatforms (SA MP) (TSA). For more information, see Configuring a clustered environment using Db2 High Availability Instance Configuration Utility (db2haicu).
- db2cm
- This creates a cluster domain for the instance managed by Pacemaker. For more information, see Configuring high availability with the Db2 cluster manager utility (db2cm).
Procedure
When you perform the following database manager instance configuration and administration operations, the database manager automatically performs related cluster manager configuration for you:
Results
When the database manager coordinates the cluster configuration changes for database administration tasks listed, you do not have to perform separate cluster manager operations.