DBD/PSB/ACB Reversal utility

The DBD/PSB/ACB Reversal utility converts the DBD, PSB, and ACB control blocks back into IMS DBDGEN or IMS PSBGEN utility control statements.

DBD/PSB/ACB Reversal utility overview
The DBD/PSB/ACB Reversal utility converts DBD, PSB, and ACB control blocks back into IMS DBDGEN and IMS PSBGEN utility control statements.
Restrictions for the DBD/PSB/ACB Reversal utility
Certain restrictions apply when you use the DBD/PSB/ACB Reversal utility.
Converting IMS control blocks to control statements
To convert DBD/PSB/ACB control blocks back into IMS DBDGEN/PSBGEN utility control statements by using the DBD/PSB/ACB Reversal utility, you must prepare JCL for the DBD/PSB/ACB Reversal utility and submit the job.
JCL requirements for the DBD/PSB/ACB Reversal utility
When you code the JCL to run the DBD/PSB/ACB Reversal utility, include the EXEC statement and appropriate DD statements.
Control statements for the DBD/PSB/ACB Reversal utility
The input for the DBD/PSB/ACB Reversal utility consists of control statements in the SYSIN data set. These control statements specify the functions to be performed and the runtime options.
JCL examples for the DBD/PSB/ACB Reversal utility
This topic provides JCL examples for running the DBD/PSB/ACB Reversal utility to re-create IMS DBDGEN and PSBGEN control statements.
Output from the DBD/PSB/ACB Reversal utility
Output from DBD/PSB/ACB Reversal consists of the SYSOUT data set, the SYSPUNCH data set, the DBDSRC data set, the PSBSRC data set, the SYSPRINT data set, the MAPOUT data set, and the OPTPRT data set.
DBD/PSB/ACB Reversal Site Default Generation utility
Use the Site Default Generation utility for the DBD/PSB/ACB Reversal utility (Reversal Site Default Generation utility) to set your own default values for the SYSIN control statements. This utility runs as a batch job.