https://www.ibm.com/docs/en/db2/11.5.x?topic=environment-configuring-cluster-high-availability-in-gdpc
Configuring the cluster for high availability in a GDPC environment
The configuration procedure detailed in this topic is specific to the geographically dispersed Db2 pureScale cluster (GDPC). This procedure must be performed...
configuring the clusterhigh availabilitygdpcenvironment