Review the controller replacement requirements

To replace the controller, you must meet certain requirements.

Shut down the impaired controller

Shut down or take over the impaired controller so that the healthy controller continues to serve data from the impaired controller storage.

Replace the controller

Replacing the controller involves removing the impaired controller, moving FRU components to the replacement controller, installing the replacement controller, setting the time and date, and recabling it.

Restore and verify the system configuration

Verify the low-level system configuration of the replacement controller and reconfigure system settings as necessary.

Give back the controller

Transfer the ownership of storage resources back to the replacement controller.

Complete controller replacement

Verify the LIFs, check cluster health, and return the failed part to NetApp.