HP StorageWorks XP Remote Web Console Software - Manual (Page 27)

Chapter 2 About Universal Replicator Operations 2-5
Hitachi Universal Replicator for IBM /OS User’s Guide
L
Copy direction
Remote copy
connection
URz volume pair
Host processor
at the primary site
Primary subsystem (LDKC)
Error Reporting
Communications
Host processor
at the secondary site
Storage system (LDKC)
Internal LAN (TCP/IP)
Master journal group
SVP SVP
Restore journal group
MCU
RCU target port
Storage Navigator computer
Storage Navigator computer
Initiator port
Primary
data
volume
CHT CHT
RCU target port Initiator port RCU
Master
journal
volume
Secondary
data
volume
Restore
journal
volume
(MVS) Time stamping function (MVS) Time stamping function
Disk subsystem Storage system
Figure 2-2 URz components
Figure 2-3 shows the plural secondary storage systems connection
configuration of URz. By connecting one primary storage system with more
than one secondary storage system, you can create a volume pair that has a
one-to-one relationship for each journal group.