HP StorageWorks XP24000 Business Copy Software User's Guide (T5213 - 96001, June 2007)

Continuous Access Journal
Continuous Acce
ss Journal volumes can be assigned to Business Copy pairs, and Business Copy volumes
can be assigned to Continuous Access Journal pairs.
Business Copy and Continuous Access Journal can function together in the same storage system to
provide both internal and remote backup for your important data.
Notes:
• Aprimary volum
e (P-VOL) of Continuous Access Journal means a primary data volume of
Continuous Access Journal. A secondary volume (S-VOL) of Continuous Access Journal means a
secondary data volume of Continuous Access Journal.
• Combination o
f Business Copy L1 and L2 pairs with Continuous Access Journal volumes is
allowed. Node volumes and leaf volumes are both considered secondary volumes (S-VOLs) by
Continuous Access Journal.
The configurat
ion shown in Figure 14 on page 34 is an example of a volume that is functioning as both a
Continuous A
ccessJournal P-VOLandaBusiness CopyP-VOL. Thisconfiguration allows:
• On-sitebackupcopiesofContinuousAccessJournal P-VOLs
• Remote backup copies of Business Copy P-VOLs
Figure 14 Shared Volume of Business Copy and Continuous Access Journal:
P-VOL/P-VOL
The configuration shown in Figure 15 on page 35 is an example of a volume that is functioning as both
a Continuous Access Journal S-VOL and a Business Copy P-VOL. This confi guration allows you to use
Business Copy to provide remote copies of Continuous Access Journal S-VOLs.
34
About Business Copy Operations