Troubleshooting Sun Storage[TM] 6580/6780 Cache Memory DIMM Faults (Doc ID 1117584.1)

Last updated on JUNE 12, 2019

Applies to:

Purpose

This document is intended to provide a basic overview on how to troubleshoot faults with the array RAID controller data cache memory DIMMs.

Please validate that each troubleshooting step below is true for your environment. Each step will provide instructions via a link to a document, for validating the step and taking corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and identify the proper resolution. Please do not skip a step.

Symptoms:

• Controller Offline Critical Fault.
• Messages for Cache Memory DIMM Missing MEL Event 0x1901.
• Seven Segment Display of 0E+L2+dash+CF+C#+blank (repeats).
• Seven Segment Display of SE+dF+dash+CF+C#+blank (repeats).
• Cache DIMM State and Status of Unknown or Missing.

Cache Memory DIMM faults can present with the existence of a controller in a lock down or offline state as indicated by the Controller OFFLINE critical fault, the presence of a repeating Seven Segment display on the controller along with the Controller OFFLINE fault, or the existence of DIMM Missing events in the array logs.

Troubleshooting Steps

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