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IBM VTS - CBRUXENT Volume Entry Exit

The OAM CBRUXENT exit is executed whenever a tape cartridge is inserted into the ATL or when a virtual volume is imported from a physical tape. The CBRUXENT exit provided by CA TLMS will determine the status of the tape within the VMF and then allow or disallow the entry of the tape, and set the status in the TCDB to scratch or private, based on the status in the VMF. When installed, the CBRUXENT exit provided with CA TLMS will update VMF fields ATLTYP and ATLNUM to indicate the tape is in the ATL. By default a foreign tape cannot be entered into the ATL. If this is attempted, the tape will be left in "insert" status. This exit must be customized to specify the SMS name of each robot in an internal table for both 3494 ATL and 3494 VTS implementation.