Replacing The Caching Module; Workflow Diagram - Lenovo ThinkSystem DM3000 series Hardware Installation And Maintenance Manual

Note: Use two hands when removing the disk drives but do not place hands on the disk drive
boards exposed on the underside of the disk carrier.
Step 6. With the cam handle in the open position, insert the replacement disk drive into the disk shelf slot,
firmly pushing until the disk drive stops.
Note: Use two hands when inserting the disk drive.
Note: Wait one minute between removal of the failed disk drive and insertion of the replacement
disk drive. This allows the system to recognize that a disk drive was removed.
Step 7. Close the cam handle so that the disk drive is fully seated into the midplane and the handle clicks
into place. Be sure to close the cam handle slowly so that it aligns correctly with the face of the disk
drive.
Step 8. If you are replacing another disk drive, repeat Steps 1 through 7.
Step 9. Reinstall the bezel.
Step 10. Return the failed part to Lenovo, as described in the RMA instructions shipped with the kit. Contact
technical support at
replacement procedure.

Replacing the caching module

You must replace the caching module in the controller module when your system registers a single
AutoSupport (ASUP) message that the module has gone offline; failure to do so results in performance
degradation.
Before you begin
All other components in the system must be functioning properly; if not, you must contact technical support.
You must replace the failed component with a replacement FRU component you received from your
provider.

Workflow diagram

This diagram shows the workflow of the caching module replacement procedure for a system.
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ThinkSystem DM3000x and DM5000x Hardware Installation and Maintenance Guide
if you need the RMA number or additional help with the
Lenovo Support