Verifying and configuring the HA state of components in Maintenance mode

When configuring a storage system in a MetroCluster configuration, you must make sure that the high-availability (HA) state of the controller module and chassis components is mcc or mcc-2n so that these components boot properly.

1. In Maintenance mode, display the HA state of the controller module and chassis: ha-config show
   The correct HA state depends on your MetroCluster configuration.

   Number of controllers in the MetroCluster configuration	HA state for all components should be...
   Eight- or four-node MetroCluster FC configuration	mcc
   Two-node MetroCluster FC configuration	mcc-2n
   MetroCluster IP configuration	mccip

2. If the displayed system state of the controller is not correct, set the HA state for the controller module:

   Number of controllers in the MetroCluster configuration	Command
   Eight- or four-node MetroCluster FC configuration	ha-config modify controller mcc
   Two-node MetroCluster FC configuration	ha-config modify controller mcc-2n
   MetroCluster IP configuration	ha-config modify controller mccip

3. If the displayed system state of the chassis is not correct, set the HA state for the chassis:

   Number of controllers in the MetroCluster configuration	Command
   Eight- or four-node MetroCluster FC configuration	ha-config modify chassis mcc
   Two-node MetroCluster FC configuration	ha-config modify chassis mcc-2n
   MetroCluster IP configuration	ha-config modify chassis mccip

4. Boot the node to ONTAP: boot_ontap
5. Repeat these steps on each node in the MetroCluster configuration.