HP XP Business Copy Software - Manual (Page 45)

about how to calculate the number of differential tables and pair tables that are required for XP
Auto LUN, see the HP StorageWorks XP24000/XP20000 Auto LUN Software User's Guide and
see the HP StorageWorks XP24000/XP20000 Snapshot User's Guide to calculate the number of
differential tables that are required for XP Snapshot.
Assuming that only ShadowImage for Mainframe uses differential tables and pair tables, this section
describes how to calculate the number of differential tables and pair tables required for one SIz
Assessing ShadowImage for Mainframe Requirements 45