gtpd1m37Database Reference

Coupling Facility Tables

CF support uses the following tables:

Coupling Facility Control Table

The CFCT is referenced by the CMMCFC CINFC tag and contains information global to CF support such as pointers to other tables and locks for CF processors.

Coupling Facility Status Table

The CFST maintains the status of each CF that was added to a processor configuration. The table contains multiple entries with each entry containing information particular to a CF in the processor configuration. Section 1 of each entry is maintained on file and is rebuilt following each initial program load (IPL).

Coupling Facility Trace Table

The CFTT contains trace data for use by IBM service representatives.

Message Subchannel Table

The MSCT contains information about message subchannels that are detected in the TPF system.