Chapter 2: Hardware Overview
StorNext M660 Components
StorNext M660 Metadata Appliance Hardware Guide 33
Figure 15 Metadata Expansion
Unit Rear Features and
Indicators - ESM Canister
.
Tab l e 7 describes the ESM connectors, displays, and LEDs. Unlabeled
connectors are reserved for Quantum Service.
Table 7 Metadata Expansion
Unit – Rear Panel Features and
Indicators
Item Description
1 Host Link 1 Fault LED
2 Host Link 2 Fault LED
3 SAS IN Connector
4 SAS IN Connector
5 ESM Expansion Fault LED
6 ESM Expansion Active LED
7 SAS Expansion Connector
8 Controller A Service Action Allowed LED
9 Controller A Service Action Required LED
10 Cache Active LED
11 Seven-Segment Displays
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