So a friend of mine sent me this link
to an article from Scott Waterhouse's "The Backup Blog
" that discusses a known issue with TSM not reclaiming VTL tapes when dedupe is in use. I would recommend you check it out if you are using dedupe in your environment since it looks like it affects TSM no matter what dedupe product is in use when you use it with a Virtual Tape Library. The problem is solved with release 5.5.2 or higher.
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