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Space announcement This space now contains the documentation for all the following components:
  • CHANGE ACCUMULATION PLUS
  • IMAGE COPY PLUS
  • RECOVERY MANAGER for IMS
  • RECOVERY PLUS for IMS
We are no longer updating the individual documentation spaces for these components. For the latest documentation, see BMC AMI Backup and Recovery for IMS 5.2.

Stacked copies

You can request that the utility write output copies of multiple database data sets or areas to a single tape volume.

This process is known as stacking. Stacked data sets can help conserve tape volumes and reduce tape mounts. The utility provides several ways for you to control the stacking of output copies:

Related topics

Overview-of-output-image-copies-RVP

  • You can specify the STACK control statement in the control statement data set. This technique provides the finest level of control over the stacking process because you can specify dynamic allocation models for the output data sets. Using the STACK control statement provides a special advantage over using the STKIC keyword, in that you can request dynamic allocation of multiple copies when one copy is written to a stack and the other copy is not.
  • If you do not use the STACK control statement, you can use the STKIC keyword instead of the IC keyword on the function or GROUP control statement. This technique may be adequate for your purposes but provides little control over the attributes of the stacked data sets.
Warning

Important

You cannot use dynamic allocation models with the STKIC keyword.

For more information, see Allocating-stacked-data-sets-RVP.

 

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BMC AMI Backup and Recovery for IMS 5.1