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The CTTTPI utility protects active volumes from initialization by checking the specified volume serial number and the mounted volume before creating tape labels. Volumes are protected regardless of whether they appear in the Media database (MDB).
The CTTTPI utility initializes magnetic media (reel tape and cartridges) with standard labels (SL) or with ANSI standard labels (AL).
The initialization function is generally invoked as a started task using command
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This command invokes the utility with the single control statement
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When invoked in this manner, the utility first checks that the specified target volume serial number is either not in the Media database or is in the Media database with scratch status.
If the target volume serial number passes the first check, the utility requests that the operator mount the physical volume. Once the volume is mounted, the utility reads it to verify that it is not an active volume in the Media database.
If both the specified target volume and the physical mounted volume pass the checks, the desired label is written on the mounted volume.
If the specified volser is numeric, the utility requests successive volumes in ascending order until stopped or canceled by the operator.
The utility issues messages (for example, CTT289A) and sometimes prompts the operator for a reply or decision.
If Control-O or Control-M/Links for Windows NT is installed at your site, responses to the messages can usually be automated.
Depending on specified parameters, the Media database can be updated by the utility.
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