Here is the error that I receive when I run the command:

delete volume /tsm/tsmdisk4/vol1.dsm discard=y
----------------------------------------------------------------------
06/19/2006 15:03:41      ANR2017I Administrator AARON issued command:
DELETE VOLUME /tsm/tsmdisk4/vol1.dsm discard=y (SESSION: 19405)
06/19/2006 15:03:43      ANR2017I Administrator AARON issued command:
DELETE VOLUME /tsm/tsmdisk4/vol1.dsm discard=y (SESSION: 19405)
06/19/2006 15:03:43      ANR9999D dfqry.c(594): ThreadId<19> Missing row
for bitfile 0.15471096.(SESSION: 19405)
06/19/2006 15:03:43      ANR2406E DELETE VOLUME:
Volume /tsm/tsmdisk4/vol1.dsm still contains data.(SESSION: 19405)
-----------------------------------------------------------------------

The volume does not exist on the system any more, and I want to delete
it.  It is not affecting our backups or restores, just a housekeeping
measure.  Thanks!

Aaron