Installing the controller

After you install the components from the old controller module into the new controller module, you must install the new controller module into the system chassis and boot the operating system.

About this task

For HA pairs with two controller modules in the same chassis, the sequence in which you install the controller module is especially important because it attempts to reboot as soon as you completely seat it in the chassis.
Note: The system might update system firmware when it boots. Do not abort this process.

Steps

  1. If you are not already grounded, properly ground yourself.
  2. If you have not already done so, replace the cover on the controller module.
  3. Align the end of the controller module with the opening in the chassis, and then gently push the controller module halfway into the system.
    Note: Do not completely insert the controller module in the chassis until instructed to do so.
  4. Cable the management and console ports so that you can access the system to perform the tasks in the following sections.
  5. Complete the reinstallation of the controller module:
    If your system is in... Then perform these steps...
    An HA pair

    The controller module begins to boot as soon as it is fully seated in the chassis. Be prepared to interrupt the boot process.

    1. With the cam handle in the open position, firmly push the controller module in until it meets the midplane and is fully seated, and then close the cam handle to the locked position.
      Attention: Do not use excessive force when sliding the controller module into the chassis; you might damage the connectors.

      The controller begins to boot as soon as it is seated in the chassis.

    2. If you have not already done so, reinstall the cable management device.
    3. Bind the cables to the cable management device with the hook and loop strap.
    4. When you see Press Ctrl-C for Boot Menu, press Ctrl-C to interrupt the boot process.
    5. Select the option to boot to Maintenance mode from the displayed menu.
    A stand-alone configuration
    1. With the cam handle in the open position, firmly push the controller module in until it meets the midplane and is fully seated, and then close the cam handle to the locked position.
      Attention: Do not use excessive force when sliding the controller module into the chassis; you might damage the connectors.
    2. If you have not already done so, reinstall the cable management device.
    3. Bind the cables to the cable management device with the hook and loop strap.
    4. Reconnect the power cables to the power supplies and to the power sources, turn on the power to start the boot process, and then press Ctrl-C to interrupt the boot process when you see the message Press Ctrl-C for Boot Menu.
      Note: If you miss the prompt and the controller module boots to ONTAP, enter halt, and then at the LOADER prompt enter boot_ontap, press Ctrl-C when prompted, and then repeat this step.
    5. From the boot menu, select the option for Maintenance mode.
    Important: During the boot process, you might see the following prompts:
    • A prompt warning of a system ID mismatch and asking to override the system ID.
    • A prompt warning that when entering Maintenance mode in an HA configuration you must ensure that the healthy node remains down.

    You can safely respond y to these prompts.