Lenovo ThinkSystem DE Series System Monitoring Guide

This document provides essential information for monitoring the status and performance of Lenovo ThinkSystem DE Series storage arrays. It details the various LEDs and displays found on the hardware components, offering insights into system operations and potential issues.

Key areas covered include:

• Understanding controller LEDs and displays on different models.
• Interpreting seven-segment display codes for operational status and diagnostics.
• Guidance on setting the shelf ID using the ODP push button.
• Explanation of LEDs on drives, drive drawers, I/O modules (IOMs), and power/fan canisters.
• A comprehensive reference for critical events and their associated error codes.

This guide is designed for administrators and technicians managing ThinkSystem DE Series storage solutions, including models such as:

• DE2000H (Machine Types: 7Y70, 7Y71)
• DE4000H (Machine Types: 7Y74, 7Y75, 7Y77)
• DE4000F (Machine Type: 7Y76)
• DE6000H (Machine Types: 7Y78, 7Y80)
• DE6000F (Machine Type: 7Y79)
• DE120S (Machine Type: 7Y63)
• DE240S (Machine Type: 7Y68)
• DE600S (Machine Type: 7Y69)

Proper monitoring is crucial for maintaining system health and performance. This document serves as a key resource for understanding system behavior and troubleshooting potential issues.