The Real‑Time environment of Control‑M/Tape is established during the Initialization process.
Once the Real‑Time environment is established, Control‑M/Tape takes control of tape volumes processed in the system. This is accomplished by the Control‑M/Tape MVS Tape Label Processing Exits. Control-M/Tape performs extensive validity checks to ensure the data integrity of the media library at the site. In addition, stacking can be performed for non-specific mount requests. As a dataset moves through the system, Control-M/Tape gathers relevant information, searches rules to determine the required actions (such as retention and vaulting information), and updates the Media Database.
The following sections describe these topics.
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