HP XP24000/XP20000 Business Copy Software User Guide (T5213-96034, November 2011)

Figure 12 Shared Volumes of XP Business Copy and XP Continuous Access: P-VOL/P-VOL and
P-VOL/S-VOL
Figure 13 (page 29) illustrates a volume functioning as both an XP Business Copy S-VOL and an
XP Continuous Access P-VOL, which allows you to use XP Continuous Access to provide
asynchronous remote copy.
Figure 13 Shared Volume of XP Business Copy and XP Continuous Access: S-VOL/P-VOL
• This configuration does not allow XP Business Copy and XP Continuous Access to copy at the
same time. Create the XP Business Copy pair first, and then split the pair before creating the
XP Continuous Access pair. You must suspend the XP Continuous Access pair to resynchronize
the XP Business Copy pair. The XP Continuous Access pair status cannot be changed when
the XP Business Copy pair is in the PSUS(SP) status.
• Usually, XP Continuous Access and XP Continuous Access Journal can share the volumes with
XP Business Copy. However, in some cases, you cannot create XP Business Copy pairs using
the volume shared with XP Continuous Access and XP Continuous Access Journal. (page 33)
and (page 34) show that you cannot create XP Business Copy pairs using the volume shared
with XP Continuous Access and XP Continuous Access Journal.
• If a volume is shared with an XP Business Copy pair and an XP Continuous Access pair, you
can perform Quick Restore on the XP Business Copy pair when the XP Continuous Access pair
is suspended. You cannot perform Quick Restore on the XP Business Copy pair when the XP
Continuous Access pair is not suspended. Table 6 (page 30) shows whether you can perform
XP Continuous Access 29