Used to indicate the step, procedure step or checkpoint at which the system is to restart the job.
Syntax: RESTART=STEPNAME
If the step we, which we want to restart is in a procedure then we have to mention the procedure name also before the stepname in the restart instruction.
Syntax: RESTART=PROCEDURE-NAME.STEPNAME
if ur job has procedures and one of the step in the procedure is abended then ur restart parameter should be RESTART = PROCSTEP.STEPNAME PROCSTEP->NAME OF THE JCL STEP THAT INVOKED THE PROC. STEPNAME->NAME OF THE PROCSTEP WHERE U WANT EXECUTION TO START
What is a GDG? How is it referenced? How is it defined? What is a MODELDSCB? GDG stands for generation data group. It is a dataset with versions that can be referenced absolutely or relatively. It is defined by an IDCAMS define generation datagroup execution.