Onsite reclamation is a volume at a time. Setting the RECLAIM=100 will not
stop the current reclamation PROCESS, but will prevent any more from
starting. Unless you cancel the process, TSM will finish reclaming the
current volume.

Offsite reclamation is a single process for ALL tape volumes to be
reclaimed. Setting the RECLAIM=100 will only stop future reclamation tasks
from starting. THe current reclamation  process will run until it's
finished. It doesn't stop just because you set the RECLAIM back to 100%. You
need to cancel the process to stop reclamation that is currently running.
There is no duration setting...it runs until its done or you cancel it.

Bill Boyer
DSS, Inc.