Assuming this is the pool you're trying to reclaim, at first glance I notice
it doesn't even have a reclamation pool defined. Of course it can't reclaim
any tapes without a reclamation pool. Note the "Reclaim Storage Pool:"
section which is blank. Changing the reclamation threshold will do nothing
without a reclamation pool.

Have you created a reclamation storage pool? Do you understand the
reclamation process? I highly recommend you read the admin guide section on
reclamation if you don't.

Regards,

Gerald Wichmann
Senior Systems Development Engineer
Zantaz, Inc.
925.598.3099 (w)