z/OS MVS JCL Reference
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SYSCHK DD statement

z/OS MVS JCL Reference

Purpose: Use the SYSCHK DD statement to define a checkpoint data set that the system is to write during execution of a processing program. Use this statement again when the step is restarted from a checkpoint written in the data set.

Note: If restart is to begin at a step, as indicated by the RD parameter on the EXEC statement, do not use a SYSCHK DD statement.

References: For detailed information about the checkpoint/restart facilities, see z/OS DFSMSdfp Checkpoint/Restart.

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