It is possible to get a feel for how much needs to be migrated from a disk
pool to a tape pool by using a 'q stg' command.

Is there something that would give a similar number to know how much needs
to be put in a copy pool from either a
disk or tape pool?  I was guessing some SQL query might work, but don't know
for sure.

(basically, how many gig needs to be put into the copy pool from each of the
primary storage pools)

Suggestions?