Figure 88 Configuration Example when Continuous Access Journal Z Copy Groups are Added for
Expansion to a 4x4x4 Cascade Configuration
Setting up the Storage System
Set up the following items by using Remote Web Console.
1. Configure an arbitration command device on the subordinate disk controller.
2. Set up an arbitration path from the supervisor disk controller to the subordinate disk controller.
3. Map the arbitration command device on the subordinate disk controller to the supervisor disk
controller (setup of the remote command device).
4. Register the journal group (timer type: SYSTEM) in each of the intermediate site and remote
site storage systems.
Defining a 4x4x4 Cascade Configuration 217
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