Completing The Replacement Process; Replacing The Nvmem Battery; Workflow Diagram; Shutting Down The Degraded Controller - Lenovo ThinkSystem DM3000 series Hardware Installation And Maintenance Manual

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 if you need the RMA number or additional
Lenovo Support
help with the replacement procedure.

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

Workflow diagram

This diagram shows the workflow of the NVMEM battery replacement procedure.

Shutting down the degraded controller

You can shut down or take over the degraded controller using different procedures, depending on the
storage system hardware configuration.
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Chapter 5 Hardware replacement procedures