HP StorageWorks Continuous Access XP Journal user guide (T1778-96001, June 2006)

62 Continuous Access XP Journal operations requirements and restrictions
Figure 16 combines the configurations shown in Figure 14 and Figure 15. Within a single Continuous
Access XP Journal pair, the primary and secondary data volumes function as Business Copy XP
P-VOLs, providing multiple copies at the primary and remote sites.
Figure 16 Shared Continuous Access XP Journal primary data volume and Business Copy XP P-VOL, and
Continuous Access XP Journal secondary data volume and Business Copy XP P-VOL
• Continuous Access XP Journal/Business Copy XP configuration where a Business Copy XP S-VOL in
PSUS status is used as a Continuous Access XP Journal primary data volume
In Figure 17, the Business Copy XP S-VOL in PSUS status also functions as a Continuous Access XP
Journal primary data volume. This configuration allows Continuous Access XP Journal to make a
remote backup copy of the Business Copy XP S VOL.
Figure 17 Business Copy XP S-VOL in PSUS status functioning as Continuous Access XP Journal primary
data volume
If a failure occurs and the Business Copy XP P-VOL is damaged (as shown in Figure 17), take the
following steps to copy data from the Continuous Access XP Journal secondary data volume to the
Business Copy XP P-VOL so data can be restored to the Business Copy XP P-VOL:
1. Execute the RAID Manager XP pairsplit -S command on the Business Copy XP pair to release the
pair.
Figure 18 Restoring Business Copy XP P-VOLs, step 1