The DFHDCT macros are supported for migration purposes only. All DCTs must be migrated to CSD resource definitions using the DFHCSDUP MIGRATE facility.
The DFHDCT TYPE=(INITIAL,MIGRATE) and DFHDCT TYPE=GROUP macros, and extensions to the DFHCSDUP MIGRATE command help you convert your existing DCT macro definitions to RDO definitions. See RDO GROUP for migration--DFHDCT TYPE=GROUP for more information.
The destination control table (DCT) contains an entry for each transient data destination. A destination can be intrapartition, extrapartition, indirect, or remote. You code different DFHDCT macros for each type. The macros specify the symbolic name for each destination, and other information that CICS® needs.
The DFHDCT TYPE=GROUP macro can be used for migrating DCTs to the CSD file. A TYPE=(INITIAL,MIGRATE) macro must be specified in this case, to obtain the correct AMODE and RMODE.
The following macros define transient data destinations:
DFHDCT TYPE=INITIAL establishes the control section and necessary linkage editor control statements for the DCT.
DFHDCT TYPE=SDSCI defines the data control block (DCB), for an extrapartition destination.
DFHDCT TYPE=EXTRA defines an extrapartition destination: a destination that is outside the CICS region.
DFHDCT TYPE=INDIRECT defines an indirect destination: a logical destination that points to another destination. (This allows several logical destinations to be merged into one physical destination.)
DFHDCT TYPE=INTRA defines an intrapartition destination: a destination that is within the CICS region.
DFHDCT TYPE=REMOTE defines a destination that is owned by another CICS system or region.