NetMaster Database Administration › How to Implement NDB Journaling › Make Duplicates of the NDBs

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Make Duplicates of the NDBs

Stop the NDBs you want to journal and create duplicates of them using IDCAMS REPRO.

The duplicate must be created after the NDB CREATE has been performed to initialize the NDB.

Once the duplicate has been created, it is important to keep it synchronized with the primary copy by ensuring that all NDB journal records written after the duplicate was made are applied to it.

For an existing NDB which has already been loaded, the decision to start journaling updates can be made at any time.

If you regularly shut down your product region, CA recommends that you resynchronize your NDB backups with the primary copy. Do not apply journals created before the new backup copy.