Your Audit backup data, created by TMSCOPY, can help you analyze specific problems and general trends in your tape processing environment. It is a good idea to keep from 6 to 12 months of Audit data available at your site. The TMSAUDIT or CA Earl reporting utilities can be used to examine each change to a TMC record and show which CA 1 facility performed the change. These programs can also report on the live Audit data set currently active in your environment.
The following Audit Record types are useful:
Shows all batch or online updates that are performed on a TMC record.
Shows any activity when a volume has been read for input.
Shows any activity when a volume has been OPENed and CLOSEd for output.
Shows nonresident tape (LABEL=EXPDT=98000 or ACCODE=xCANORES in JCL) processing and security exceptions or before images if AUDB4=ALL or if Batch is specified.
Shows NOT SCRATCH demount activity.
Shows CA 1 functional modification and initialization activity.
Each Audit record contains a date and time stamp. It is possible to identify every event in the TMC in chronological order. For example, if one of your tape users indicates that a tape was scratched prematurely, you can use the Audit data to show the original creation of the data set (Type 2), any input activity (Type 1), and the CA 1 facility used to expire the record before it was scratched by TMSCLEAN (Type 0).
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