What's new in IMS Database Repair Facility

This topic summarizes the functional enhancements that were made to IMS™ Database Repair Facility and documentation changes for this edition.

The following functional enhancements have been made to IMS Database Repair Facility that is distributed within IMS HP Pointer Checker, IMS Database Solution Pack, and IMS Fast Path Solution Pack.

New and changed information is denoted either by a character in the left margin or by blue carets ( Symbol that indicates the start of new or changed content and Symbol that indicates the end of new or changed content ) at the beginning and end of the new or changed information. Editorial changes that have no technical significance are not noted.

SC19-2916-02 (January 2018)

Support for IMS Version 14 (APAR PI27564): IMS Version 14 supports 8 GB OSAM data sets for HALDBs. IMS Database Repair Facility has been enhanced to support IMS Version 14 and 8GB OSAM data sets for HALDBs.

SC19-2916-01

ILK Repair utility support (APAR PM97585)

The ILK Repair utility helps you repair HALDB databases that have corrupted HALDB partition reorganization numbers, duplicate indirect list keys (ILKs), and potentially duplicate ILKs. For more information, see Repairing HALDB databases by using the ILK Repair utility.

Support for IMS Version 12 and IMS Version 13 (APAR PM25552 and PM78910)

Support for IMS Version 12 is added by APAR PM25552 and support for IMS Version 13 is added by APAR PM78910.

Support for OSAM data sets allocated on EAV (APAR PM52886)

You can repair OSAM data sets that are allocated on an extended address volume (EAV).

Note: VSAM data sets that are allocated on an EAV are supported by default.

Support for 4 - 8 GB OSAM data sets (APAR PM18995)

You can repair blocks that are beyond 4 GB in OSAM data sets whose size is larger than 4 GB. Changes are made to the following topics:

For interactive mode, Viewing and updating an HD or DEDB database
For batch mode, ORBA control statement

SC19-2916-00

CHECK control statement for batch mode

You can use the new CHECK control statement to check whether the syntax of the control statements is correct and the values that are specified on the control statements, such as keys or RBAs, are valid. When the CHECK control statement is specified, IMS Database Repair Facility does not update data sets. For more information, see the following topics:

For VSAM data sets, CHECK control statement.
For OSAM data sets, CHECK control statement.

Prevent changes to data beyond EOF in interactive mode

In interactive mode, IMS Database Repair Facility prevents changes to data that is positioned beyond the end of file (EOF) of the data set.