Access Method Services (AMS) diagnostic aids

This section explains the diagnostic aids provided for access method services (IDCAMS), explains how to find key areas in a dump, and offers suggestions for isolating different types of problems.

The following major diagnostic aids are provided for access method services:

Trace tables, which provide a trace of the flow of control between modules and within modules.
Dump points, which provide the facility to dump selected areas of virtual storage and take a full region dump.
The TEST option, which you can set to print out the trace tables or to obtain dumps at selected dump points if access method services is invoked with a batch job.
Termination codes and full region dumps, which are produced when the processor detects an unrecoverable condition.