Dell MD1200, MD1220

Operating Your Storage Enclosure 23

Figure 2-3. EMM Cabling Diagram in Unified Mode (Redundant Path)

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Contents

Main Notes, Cautions, and Warnings Contents 1 About Your Enclosure . . . . . . . . . . . . . . . . 7 2 Operating Your Storage Enclosure . . . . . 19 4 3 Installing Enclosure Components . . . . . 27 4 Troubleshooting Your Enclosure. . . . . . . 49 5 Getting Help. . . . . . . . . . . . . . . . . . . . . . . 57 Page About Your Enclosure Front-Panel Features and Indicators Page Front-Bezel Features and Indicators Page Hard-Drive Indicator Patterns NOTE: Back-Panel Features and Indicators Enclosure Management Module 14 NOTE: Page Enclosure Failover When Two EMMs are Installed EMM Thermal Shutdown Enclosure Alarms Power Indicator Codes Other Information You May Need Operating Your Storage Enclosure Before You Begin Cabling Your Enclosure Connecting the Enclosure Page Page Page Page Changing Your Enclosures Operating Mode Managing Your Storage Enclosure Downloading Firmware Installing Enclosure Components Recommended Tools Front Bezel (Optional) Removing the Front Bezel Installing the Front Bezel Hard Drives SAFETY: Models AMT, E03J, and E04J Removing a Drive Blank Page Installing a Drive Blank Removing a Hard Drive Installing a Hard Drive Removing a Hard Drive From a Hard-Drive Carrier 34 Installing a Hard Drive Into a Drive Carrier Enclosure Management Module Removing an EMM Blank Installing an EMM Blank Removing an EMM Page Installing an EMM Power Supply/Cooling Fan Module Removing a Power Supply/Cooling Fan Module Page Installing a Power Supply/Cooling Fan Module Control Panel Removing the Control Panel Page Installing the Control Panel Backplane Removing the Backplane Page 46 Installing the Backplane Page Troubleshooting Your Enclosure Safety FirstFor You and Your Enclosure Troubleshooting Enclosure Startup Failure Troubleshooting Loss of Communication Troubleshooting External Connections Troubleshooting Power Supply/Cooling Fan Module Troubleshooting Enclosure Cooling Problems Troubleshooting Enclosure Management Modules Troubleshooting Hard Drives Troubleshooting Enclosure Connections Troubleshooting a Wet Enclosure Troubleshooting a Damaged Enclosure Page Getting Help Contacting Dell Page Glossary Page Page Page Page Page Page Page Page Page Index A B C D M P R S T