iTable of ContentsPreface ...................................................................................................................................................... iiiAudience ................................................................................................................................................................... iiiOrganization ............................................................................................................................................................. iiiOverview of Dell EqualLogic Products ................................................................................................................... iiiRelated Documentation ..............................................................................................................................................vTechnical Support and Customer Service ..................................................................................................................vWarranty Information ................................................................................................................................................vi1 Basic Array Information ................................................................................................................................... 1-1Field Replaceable Components............................................................................................................................... 1-1Array Bezel and Front Panel ................................................................................................................................... 1-2Hardware Status LEDs ..................................................................................................................................... 1-3LCD Panel Display ........................................................................................................................................... 1-4Enclosure Switch Settings ................................................................................................................................ 1-6Array Back Panel .................................................................................................................................................... 1-6Serial Number Label ............................................................................................................................................... 1-6Protecting Hardware from Electrostatic Discharge................................................................................................. 1-7Removing and Installing the Bezel ......................................................................................................................... 1-8Opening and Closing the Chassis Cover ................................................................................................................. 1-9Using the Cable Management System .................................................................................................................. 1-10Turning on Power to an Array............................................................................................................................... 1-13Shutting Down and Turning Off Power to an Array............................................................................................. 1-13Returning Hardware .............................................................................................................................................. 1-142 Maintaining Disk Drives.................................................................................................................................... 2-1Disk Drive LEDs..................................................................................................................................................... 2-1Disk Drive Status .................................................................................................................................................... 2-2Disk Drive Numbering ............................................................................................................................................ 2-3Array Behavior When a Disk Drive Fails ............................................................................................................... 2-3Disk Drive Requirements ........................................................................................................................................ 2-4Removing Disk Drives ............................................................................................................................................ 2-4Installing Disk Drives.............................................................................................................................................. 2-73 Maintaining Control Modules........................................................................................................................... 3-1Identifying the Control Module............................................................................................................................... 3-1Interpreting Control Module LEDs ......................................................................................................................... 3-1Identifying Control Module Failures....................................................................................................................... 3-3Understanding Failover Behavior ........................................................................................................................... 3-3Maintaining Control Module Firmware .................................................................................................................. 3-3Control Module Handling Requirements ................................................................................................................ 3-4Removing a Control Module................................................................................................................................... 3-4Installing a Control Module .................................................................................................................................... 3-6Replacing the MicroSD Card .................................................................................................................................. 3-7Removing the MicroSD Card ........................................................................................................................... 3-8Inserting the MicroSD Card.............................................................................................................................. 3-9Network Requirements and Recommendations .................................................................................................... 3-10Connecting Network Cables.................................................................................................................................. 3-11