Use the following procedures to configure DB2 UDB in a VCS environment.
You need to do the following tasks:
Check /etc/services.
Enable password less communication for DB2 user among all cluster nodes.
See Enabling password less communication for DB2 users among all cluster nodes .
Modify the $DB2InstHome/sqllib/db2nodes.cfg file for DB2.
See Modifying the $DB2InstHome/sqllib/db2nodes.cfg file for DB2.
Confirm the setup of the DB2 installation.