A CU to be specified for a path set must include a volume to be defined in a Cnt Ac-S copy
group and a command device for the reverse direction.
3. Create a route list for the reverse direction (Remote -> Intermediate -> Primary route).
From the Add Remote Route Entry panel, add entries for the intermediate or primary site. The
Add Remote Route Entry panel is displayed by specifying r in AC in the Entire Route Information
panel.
For details on how to define a route list, see “Defining a route list” (page 457).
4. Establish an inter-DKC logical path (Remote -> Intermediate).
Establishing an inter-disk controller logical path is part of creating the path set definition file.
5. Register a command device for the reverse direction in the storage systems of the intermediate
and remote sites.
144 Configuration Definitions
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