Using the Z Abend Investigator HFZS subsystem

Z Abend Investigator uses a subsystem known as HFZS for services that can otherwise not be performed or which might cause incomplete analysis if not started.

A separate HFZS subsystem is required on each MVS™ image that runs Z Abend Investigator.

Z Abend Investigator uses the HFZS subsystem to:

The HFZS subsystem should not be prioritized lower than any of the tasks for which it might be invoked. Assigning a high priority to the HFZS subsystem does not affect system performance adversely, since no resources are consumed by the HFZS subsystem when it is not in use.

The HFZS subsystem must be defined to the security system with an OMVS UID value.