![](/images/new-backgrounds/1167873/16787355x1.webp)
Primary storage system
Primary Master
data journal
volume volume
Master journal group 0
Primary Master
data journal
volume volume
Master journal group 1
Primary Master
data journal
volume volume
Master journal group n
Secondary storage system
Secondary | Restore |
data | journal |
L | volume |
volume |
Secondary storage system
Secondary | Restore |
data | journal |
L | volume |
volume |
Secondary storage system
Secondary Restore
Ldata journal
volume 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)
Chapter 3 Preparing for Universal Replicator z/OS Operations |