Limited supportBMC provides limited support for this version of the product. As a result, BMC no longer accepts comments in this space. If you encounter problems with the product version or the space, contact BMC Support.BMC recommends upgrading to the latest version of the product. To see documentation for that version, see BMC AMI Recover for Db2 13.1.

Dynamic allocation output image copy data sets

BMC AMI Recover

 uses the OUTPUT command for dynamic allocation of output image copy data sets. The dynamic allocation feature allows you to make image copies of spaces without including DD statements in the JCL. Instead of using DD statements (each of which provides a physical description of only a single data set) you can use the directives (output descriptors) to provide a logical view of how copy data sets are to be created.

The effects of allocating copy data sets dynamically with BMC AMI Recover follow:

  • Eliminate large, complex DD statements
  • Greatly simplify tape stacking
  • Restart a failed job automatically (no JCL or other statements to change)
  • Release unused space when a copy data set is closed
  • Use symbolic variables and generation data groups (GDGs) to assist in data set name generation

Important

Dynamic allocation of output copies is required for spaces with more than 254 partitions.

Because an output descriptor is not directly associated with a particular data set, you can use an output descriptor to describe multiple copy data sets. (For JCL examples, see Examples-of-BMC-AMI-Recover-jobs.)

This section contains the following topics:

Related topics

Key-concepts

BMC-AMI-Recover-data-sets-and-BMC-AMI-Recover-DD-statements

Restart considerations when creating output copies

OUTPUT-command


 

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