
3.16
Setting Up Remote Copy
Remote Copy User’s Guide InForm OS Version 2.3.1
3.5 Setting Up Remote Copy
The following sections describe the steps involved in configuring the Remote Copy connections
between storage servers in a Remote Copy configuration and then starting the Remote Copy
function. This setup process differs according to the type of Remote Copy configuration to be
used. However, the instructions for setting up a basic unidirectional Remote Copy pair, located
in Setting Up Unidirectional Remote Copy on page 3.17, are the basis for more advanced
configurations that employ bidirectional Remote Copy or multiple Remote Copy pairs (also
known as N-to-1 and 1-to-N configurations).
Unidirectional and bidirectional:
Setting up targets and links for unidirectional and bidirectional Remote Copy configurations
are identical. These configurations differ in their volume configuration setup.
■ For a unidirectional Remote Copy configuration follow the instructions in Setting Up
Unidirectional Remote Copy on page 3.17 to set up Remote Copy between an primary and
backup storage server.
■ For a bidirectional Remote Copy configuration, follow the instructions in Setting Up
Bidirectional Remote Copy on page 3.25.
N-to-1:
For configurations that use multiple Remote Copy pairs (up to four primary storage servers
sharing a single backup server):
■ Follow the instructions in Setting Up Unidirectional Remote Copy on page 3.17, or the
instructions in Setting Up Bidirectional Remote Copy on page 3.25 to set up the first pair in
the configuration.
■ Repeat the instructions in Setting Up Unidirectional Remote Copy on page 3.17 for each
additional pair.
■ You can have a maximum of four pairs. Note that all pairs must share the same backup
storage server.
1-to-N:
For configurations that use multiple Remote Copy pairs (a single primary storage server with
up to two backup storage servers):
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