A VMF inquiry/update through reply to a WTOR from TLMSINQR places a transaction in the queue through TLMSMSGQ. TLMSINQR can be started as a subtask of CTS, a z/OS started task, or as a batch job.
TLMSMSGQ receives the transaction and calls TLMSUPDT.
TLMSUPDT accesses the Volume Master File specified in the CTS procedure through routines in its copy of TLMSVMRW.
The VMF is accessed by volume serial number (VSN).
The retrieved VMF record is updated.
(Optional) A copy of the transaction is written to the Alternate Log file if the RECOVRY system option is set to ALTLOG.
TLMSMSGQ is notified that the update is completed.
