Hello,
You have mentioned that the Changer appears as Unknown. Please refer the following technote to resolve this issue and then verify if the backups function correctly.
Title:
How to uninstall the Original Equipment Manufacturer driver for the medium changer in a robotic library so as to make it "Unknown medium changer"
http://support.veritas.com/docs/269214
Additionally check for event IDs 7, 9, 11 and/or 15.
Additional Information :
For information on the recent VERITAS Backup Exec security vulnerabilities, including links to the downloads for the necessary hotfixes, please refer to the following document:
Patch summary for Security Advisories VX05-001, VX05-002, VX05-003, VX05-005, VX05-006, VX05-007
http://seer.support.veritas.com/docs/277429.htm
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