Compatibility with earlier releases

IMS HP Image Copy 4.2 is compatible with earlier releases of the product.

Consideration for the Checkpoint Restart function

If you have been using the Checkpoint Restart option of IMS HP Image Copy 4.1 or of earlier releases, and you plan to migrate to IMS HP Image Copy 4.2, you must discard the existing checkpoint file that is specified on the CHKPTDD DD statement and create a new checkpoint file with IMS HP Image Copy 4.2.

Consideration for IMS Tools Online System Interface configuration

If you have been using IMS Tools Online System Interface in IMS High Performance Image Copy for z/OS® 4.1, you must migrate to IMS Tools Online System Interface that is included in IMS Tools Base.

Identify the release of IMS Tools Online System Interface that you have been using with IMS High Performance Image Copy for z/OS 4.1. IMS High Performance Image Copy for z/OS 4.1 supports the following IMS Tools Online System Interface releases:

FMID H2B7110 (packaged with IMS High Performance Image Copy for z/OS 4.1)
FMID H2B7120 (packaged with other IMS Tools products. This release supersedes and deletes H2B7110.)
FMID H32A130 (packaged with other IMS Tools products. This release supersedes and deletes H2B7110, H2B7120, H32A110, and H32A120.)

Migration steps are different based on the release of IMS Tools Online System Interface. For details about installation, set up instructions, and migration considerations for IMS Tools Online System Interface, see the Program Directory for IBM IMS Tools Base for z/OS, the IMS Tools Base IMS Tools Common Services User's Guide and Reference, or the IMS Tools Base Configuration Guide.