VMTBUILD reads the SERIES records in the specified CA VM:Tape configuration file, then builds a TMC with default scratch or deleted volume records and the volser and media type fields obtained from the SERIES record.
Next, VMTBUILD reads, in turn, each input file pointed to by the ddnames you specified on the command line. For each volume record, VMTBUILD overwrites the corresponding record in the new TMC. Thus, record by record, the new TMC inherits the information from the input files. For example, if the volser ABC123 is found in both ddname1 and ddname10, the record is overlaid twice, and ultimately, the information from ddname10 remains in the new TMC.
Volser information in an old TMC used as an input file overwrites the corresponding volser information in the new TMC. Thus, you cannot change the SERIES record in the VMTAPE CONFIG file to indicate that the media is a cartridge tape (when before it was a reel), and use VMTBUILD to perform the necessary conversation of the TRTCH and DEN values for you. The new TMC will ultimately be rewritten with the TRTCH and DEN values from the old TMC.
Never try to merge two TMCs that have (or have ever had) identical volsers without first rebuilding each TMC individually to delete all the overlapping volsers. This initial step also removes any references in each TMC to volsers that are now obsolete. When you run VMTBUILD for a second time to merge the two TMCs, no volume in one TMC refers to a volume from the other TMC.
The optional input files are applied to the new TMC one at a time in the order specified (left to right). The input files are presumed to be specified in chronological order, with the first or leftmost containing the oldest data and the last or rightmost containing the newest data. Duplicate volser data in the newer files replaces the older data in the new TMC.
For input file FILEDEFs, you must specify the LRECL option if the input file is on a non-CMS minidisk:
You can use the following data files (TMC-like files, except for Audit files) as input from various sources:
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