If you intend to install a component that uses CICS or DB2 UDB, determine this information:
High-level qualifier for CICS system data sets.
RDO data set name – the name of the CICS RDO (DFHCSD) containing the application resource definitions used by your CICS region.
RDO group list – the RDO group list used by your CICS region when executing an initial start.
CICS region APPLID – the VTAM APPLID for your CICS region.
DB2 system data sets high-level qualifier – the high-level qualifier used for DB2 system data sets.
DB2 exit data set name (DSN).
DB2 DSN.
