4.
From the remote host, register a command device for the storage system of the remote site,
primary site, and local site, in that order.
For details on how to register a command device in a storage system, see
command device in a Storage System" (page
Creating a Copy Group (3DC Multi-Target Configuration)
To create a copy group:
1.
Define Continuous Access Synchronous for MainFrame and Continuous Access Journal for
MainFrame copy groups on the primary host where operation is to be performed.
2.
Make a copy pair for the Continuous Access Synchronous for MainFrame and Continuous
Access Journal for MainFrame copy groups from the primary host.
470).
Defining a 3DC Multi-Target configuration 159
"Registering a