The first time you bring up the HA pair, you must ensure that the nodes are correctly connected and powered up, and then use the setup program to configure the systems.
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Considerations for HA pair setup
When the setup program runs on a storage system in an HA pair, it prompts you to answer some questions specific for HA pairs.
Configuring shared interfaces with setup
During setup of the storage system, you can assign an IP address to a network interface and assign a partner IP address that the interface takes over if a failover occurs.