Software Owner's manual

2-6 Chapter 3 Preparing for Universal Replicator z/OS Operations
Hitachi Universal Replicator for IBM /OS User’s Guide
L
L
L
Primary storage system
Master
journal
volume
Secondary storage system
Secondar
y
stora
g
e s
y
stem
Secondar
y
stora
g
e s
y
stem
Master
j
ournal
g
rou
p
0
Master
j
ournal
g
rou
p
1
Master
j
ournal
g
rou
p
n
Secondary
data
volume
Primary
data
volume
Primary
data
volume
Primary
data
volume
Master
journal
volume
Master
journal
volume
Restore
journal
volume
Secondary
data
volume
Secondary
data
volume
Restore
journal
volume
Restore
journal
volume
Figure 2-3 Connection Configuration of Plural Secondary Storage
systems
This URz components describes:
USP V storage system
Logical DKC
Main and remote control units (primary storage systems and secondary
storage systems)
Journal group
Data volume pair
Journal volume
Remote copy connections
Initiator ports and RCU target ports
USP V URz remote console software
Host I/O time stamping function
Error reporting communications (ERC)