Pre-submitter task (PSU)
This task is in charge of the JCL tailoring needed to implement
the Restart and Cleanup function. It adds the EQQCLEAN pre-step to
the JCL in order to:
- Execute a step restart.
- Execute a clean up.
PSU interacts with the following other tasks:
- GS
- WSA
- FL
- SU
The task is queue-driven. Its SSX queue is the PSUQ.
Requests to PSU are sent via DQE of type "PSU":
- Type=APL
- Apply logic: tailor JCL to do clean up and/or step restart
- Type=CLN
- Stand-alone clean up: create a new job to execute clean up