CDC Guide for z/OS

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IMS Batch Backout Utility

If a DL/I batch jobs fails and the IMS Batch Backout utility is used, consider the following:

If the DL/I job step does not issue IMS checkpoints, recover the IMS database by:

Executing the Batch Backout utility.

Restoring an image copy taken prior to the failed job executing.

If the DL/I job step issues IMS checkpoints:

Run the Batch Backout utility to remove uncommitted records caused by the failure of the job step. Using an image copy or point-in-time recovery requires synchronizing the source and target databases again.

Resume execution of the job step from the failed checkpoint.

You cannot use the IMS Batch Backout utility to back out any farther than the last IMS checkpoint on the batch log.

If IMS Dynamic Backout runs due to an abend, you do not need to run the Batch Backout utility.

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CDC Guide for z/OS

CDC Guide for z/OS

IMS Batch Backout Utility

IMS Batch Backout Utility