Using AR/CTL checkpoint/restart services

Checkpoint/restart services provide (or enhance) an environment that allows an application program job step to be restarted after a failure. These services are available through AR/CTL processing options (in some cases) and through requests explicitly issued by the application program.

More specific information about checkpoint/restart services is located in other sections of this space. This section discusses general topics related to checkpoint/restart services and tells you where to locate specific information.

Most of the information applies regardless of the type of application program and environment.







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