specific steps are required because the failure is restricted to an HA pair and storage failover commands
can be used to provide nondisruptive operation during the replacement.
• This procedure includes steps for automatically or manually reassigning drives to the replacement
controller, depending on your system’s configuration.
You should perform the drive reassignment as directed in the procedure.
• You must replace the failed component with a replacement FRU component you received from your
provider.
• You must be replacing a controller module with a controller module of the same model type. You cannot
upgrade your system by just replacing the controller module.
• You cannot change any drives or drive shelves as part of this procedure.
• In this procedure, the boot device is moved from the impaired controller to the replacement controller so
that the replacement controller will boot up in the same version of ONTAP as the old controller module.
• Any PCIe cards moved from the old controller module to the new controller module or added from existing
customer site inventory must be supported by the replacement controller module.
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• It is important that you apply the commands in these steps on the correct systems:
◦ The impaired controller is the controller that is being replaced.
◦ The replacement controller is the new controller that is replacing the impaired controller.
◦ The healthy controller is the surviving controller.
• You must always capture the controller’s console output to a text file.
This provides you a record of the procedure so that you can troubleshoot any issues that you might
encounter during the replacement process.
Shut down the impaired controller - FAS8200
You can shut down or take over the impaired controller using different procedures,
depending on the storage system hardware configuration.
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