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Replacing the NVMEM battery

To replace an NVMEM battery in the system, you must remove the controller module from the system, open it, replace the battery, and close and replace the controller module.

All other components in the system must be functioning properly; if not, you must contact technical support.

  1. Shutting down the impaired controller
    You can shut down or take over the impaired controller using different procedures, depending on the storage system hardware configuration.
  2. Removing the controller module
    You must remove the controller module from the chassis when you replace a component inside the controller module.
  3. Replacing the NV battery
    To replace the NV battery, you must remove the failed battery from the controller module and install the replacement battery into the controller module.
  4. Installing the controller module
    After you have replaced the component in the controller module, you must re-install the controller module into the chassis, and then boot it to Maintenance mode.
  5. Running diagnostics
    After you have replaced a component in your system, you should run diagnostic tests on that component.
  6. Completing the replacement process
    After you replace the part, you can return the failed part to Lenovo, as described in the RMA instructions shipped with the kit.Contact technical support at Lenovo Data Center Support if you need the RMA number or additional help with the replacement procedure.