If you use the CHCKPT parameter, you must make modifications to your z/OS JCL Define the checkpoint file with a C1BMCHK DD statement. To have your checkpoints written serially to the file, specify DISP=MOD. To store only the latest checkpoint, specify DISP=NEW.
Note:
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If you use DISP=NEW to save only the latest checkpoint. If a checkpoint cannot be taken successfully, no checkpoint will be available for restart until another checkpoint is successfully taken.
|
Position |
Field Name |
Description |
|---|---|---|
|
1-6 |
Keyword |
Required. CHCKPT is the only acceptable entry. |
|
8-16 |
Checkpoint Count |
Required. Number of records to process before each checkpoint is taken. You must enter leading zeros. No default. |