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Relationship to other control statements
z/OS MVS JCL Reference
When the system is to restart execution in a job step, place a SYSCHK DD statement immediately following the JOB statement. The SYSCHK DD statement defines the data set on which the system entered the checkpoint for the step being restarted.
When preparing for a deferred checkpoint, code the DISP abnormal termination disposition subparameter in the step’s DD statements as follows:
In JES2 systems, you can also use the RESTART parameter on the /*JOBPARM control statement.
In JES3 systems, you must also code the FAILURE parameter on the //*MAIN control statement.
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