High availability enhancements

Db2 11.5.5 includes enhancements that help ensure that your data remains available.

Attention: The enhancements in this topic are included in the Db2 11.5.5 mod pack release, which is available for the following products:
The following table displays a list of high availability enhancements in 11.5.5:
Table 1. High availability enhancements in 11.5.5
Enhancement Description
Automated failover to HADR standby on Linux® for on-premises and non-containerized cloud deployments with Pacemaker is now available for production environments

Db2 with Pacemaker was a Technical Preview in Db2 version 11.5.4, but is now available for production environments starting in Db2 11.5.5. Certain restrictions in the Technical Preview have been lifted. For more details, refer to Restrictions on Pacemaker.

Multiple standby support has been added. For more information, see HADR multiple standby databases .

Exporting and importing cluster configuration support has been added. For more information, see Backup cluster configuration information and Restore from a saved Pacemaker cluster configuration.

Added support for using the fence_aws fencing agent on Amazon Web Services (AWS). For more information, see Setting up two-node HADR with fencing on Amazon Web Services (AWS).