Integrity Checker utility
The Integrity Checker utility prevents database corruption caused when IMS™ applications use incorrect IMS control blocks to get access to a database.
- Integrity Checker overview
Integrity Checker prevents database corruption that is caused by a use of incorrect database descriptions (DBDs). - Planning for Integrity Checker configuration
Before you activate the DMB verification function of Integrity Checker, you must understand the resources used by Integrity Checker and design the most suitable Integrity Checker configuration for your IMS environment. - Activating Integrity Checker
Activating Integrity Checker involves preparing the global option modules, LICON data sets, and LIU load modules, and other steps. - Maintaining Integrity Checker
To have Integrity Checker prevent database corruptions caused by using incorrect DBDLIBs, ACBLIBs, or RECON data sets, you must maintain the Integrity Checker resources appropriately. - Preventing database corruption with Integrity Checker
When Integrity Checker is in operation, it alerts you whenever a DMB mismatch is found. When a problem is reported by Integrity Checker, you must identify the cause, determine the action, and correct the problem to prevent database corruptions. - Deactivating Integrity Checker
Deactivate Integrity Checker if you want to stop using the DMB verification function. - Output from Integrity Checker
Output from the Integrity Checker consists of the FABLPRNT data set and the FABLSNAP data set. - Global option module generation macro
Use the global option module generation macro to create global option modules. - LICON utility reference
The LICON utility provides several functions for handling LICON records.