HP StorageWorks Continuous Access XP Journal user guide (December 2005)

Continuous Access XP Journal user guide 57
Figure 14 through Figure 17 show various Continuous Access XP Journal/Business Copy XP configurations
that share volumes.
• Continuous Access XP Journal/Business Copy XP configurations that share the Continuous Access XP
Journal primary data volume and Business Copy XP P-VOL
Figure 14 shows an example of a Continuous Access XP Journal primary data volume that also
functions as a Business Copy XP P-VOL. You can use this configuration to use Business Copy XP for
on-site data backup if a Continuous Access XP Journal failure occurs and use Continuous Access XP
Journal to provide remote backup of the Business Copy XP P-VOL if a Business Copy XP failure occurs.
Figure 14 Shared Continuous Access XP Journal secondary data volume and Business Copy XP P-VOL
• Continuous Access XP Journal/Business Copy XP configurations that share the Continuous Access XP
Journal secondary data volume and Business Copy XP P-VOL
Figure 15 shows an example of a Continuous Access XP Journal secondary data volume that also
functions as a Business Copy XP P-VOL. You can use this configuration to use Business Copy XP to
provide multiple backup copies of a single Continuous Access XP Journal primary data volume.
Figure 15 Shared Continuous Access XP Journal secondary data volume and Business Copy XP P-VOL
• Continuous Access XP Journal/Business Copy XP configuration that shares the 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
PAIR Not current Not current Not current CURRENT Not current Not current
PSUS/PSUE Not current CURRENT CURRENT CURRENT CURRENT Not current
Table 20 Data currency of a shared Continuous Access XP Journal/Business Copy XP volume (continued)