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)