gtpa2m1rApplication Programming

Loosely Coupled and Multiple Database Function (MDBF) Considerations

In a loosely coupled complex, records that are held in LLF/CFLF control units while the transaction is active need to remain held during the recovery process. The TPF system will keep locks across a system IPL until the recovery log is processed to synchronize data record updates among all loosely coupled processors and ensure database integrity.

Exceptions

The following cases are exceptions to TPF transaction services processing.