Help Please,

I have a 3590 Tape Volume in our 3494Library that has the following
characteristics;
 Volume Name: A00621
             Storage Pool Name: TAPEPOOL
             Device Class Name: 3590CLASS
       Estimated Capacity (MB): 102,978.6
                      Pct Util: 71.6
                 Volume Status: Full
                        Access: Unavailable
        Pct. Reclaimable Space: 29.7
               Scratch Volume?: Yes
               In Error State?: No
      Number of Writable Sides: 1
       Number of Times Mounted: 20
             Write Pass Number: 1
     Approx. Date Last Written: 04/29/04   15:59:57
        Approx. Date Last Read: 06/24/04   13:46:25
           Date Became Pending:
        Number of Write Errors: 0
         Number of Read Errors: 0
               Volume Location:
Last Update by (administrator): STORSERVER

$  mtlib -l /dev/lmcp0 -qV -V A00621
Volume Data:
   volume state.........Volume present in Library, but Inaccessible
   logical volume.......No
   volume class.........3590 1/2 inch cartridge tape
   volume type..........EHPCT extended length
   volser...............A00621
   category.............0190
   subsystem affinity...03 04 05 06 01 02 00 00
                        00 00 00 00 00 00 00 00
                        00 00 00 00 00 00 00 00
                        00 00 00 00 00 00 00 00

Reclamation cannot complete due to the need of this volume.
What are my next options?

Thanks