Bacula - Update DB Pool to Reflect Conf

*update
Update choice:
     1: Volume parameters
     2: Pool from resource
     3: Slots from autochanger
     4: Long term statistics
Choose catalog item to update (1-4):2

If decreasing volumes for a certain pool the current number of volumes needs to be lower than the new value. Run delete volume=xxx to get rid of volumes to set the new limit.