Taking image copies with IMS compatible JCL

The following topics explain how to take image copies with JCL stream that is coded for the DFSUDMP0 program.

IMS HP Image Copy provides an interface that enables to start IMS HP Image Copy functions with IMS compatible JCL. You can run the Image Copy function by using the JCL that is in the same format as JCL for the IMS standard utility.

The following features of IMS HP Image Copy are supported for the Image Copy function that is executed with DFSUDMP0 JCL. Other IMS HP Image Copy features are not supported.
  • Compressed image copy format
  • HASH Check
  • High Performance I/O
  • Creating multiple image copies at one time
  • Site default table
  • Offload workload to zIIP processors
Recommendation: If you want to enable other features of IMS HP Image Copy, consider using the FABJMAIN program to invoke the Image Copy function.