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How to Invoke TIUSIDU

TIUSIDU is a batch utility. The JCL to run this will be generated in the foreground by entering "TSO %TIUSIDU" from the command line. The following Ancestry Implicit Subset Identifier Cleanup Utility panel will appear, after which JCL will be generated:

COMMAND ===>

Select report only mode or update mode. May select detail report

or option to lock encyclopedia tables and then press enter.

Recommendations before executing this utility:

Backup encyclopedia database.

For performance reasons, may need to create a temporary DB2 index

on encyclopedia table DSETDF, see help for details.

Note:

User must be encyclopedia administrator.

ALL models and subsets must be checked in prior to utility.

The encyclopedia cleanup is executed before this utility.

This utility runs only in BATCH.

Report or Update mode . . ./ Report

Update

Detail report . . . . . . / Yes

No

Lock encyclopedia tables . . Yes

/ No

The user must then submit the JCL for execution. The generated JCL contains two steps. Encyclopedia Cleanup is the first step (to ensure all incomplete models are deleted) followed by the TIUSIDU utility. All models and subsets must be checked in before running this utility in UPDATE mode. The default REPORT mode does not have this requirement. It produces a report with the results without updating the database. Note that if any updates to database occur between the REPORT mode and the UPDATE mode, then results may vary. Be sure to allow plenty of time and output lines on the job card. The detail report can be very lengthy. It produces a detail report that contains a list of every OBJ_ORG_ID that is replaced. You might also like to run with DEBUG=P specified in the JCL PARM statement of the second step to get additional report log file information about each subset ID from 0 to 8191. This information is helpful to understand how each subset ID is used.