Owners Manual

Contents
About This Manual............................................................................................................................................5
Revision History..................................................................................................................................................................5
Audience..............................................................................................................................................................................5
Contacting Dell................................................................................................................................................................... 5
1 SC5020 Series Storage System Hardware..................................................................................................... 6
SC5020 Series Storage System Front-Panel View........................................................................................................6
SC5020 Series Storage System Back-Panel View.........................................................................................................7
SC5020 Series Storage System Drives...........................................................................................................................8
SC5020 Series Storage System Drive Numbering........................................................................................................ 8
SC5020 Series Storage Controller Features and Indicators ........................................................................................ 9
SC5020 Series Storage Controller.............................................................................................................................9
2 Replacing Storage System Components.......................................................................................................12
Safety Precautions........................................................................................................................................................... 12
Installation Safety Precautions..................................................................................................................................12
Electrical Safety Precautions.................................................................................................................................... 12
Electrostatic Discharge Precautions.........................................................................................................................13
General Safety Precautions.......................................................................................................................................13
Bezel...................................................................................................................................................................................13
Remove the Front Bezel............................................................................................................................................ 13
Install the Front Bezel.................................................................................................................................................14
Hard Drives .......................................................................................................................................................................14
Identify the Failed Drive............................................................................................................................................. 15
Remove the Failed Drive............................................................................................................................................15
Install the Replacement Drive................................................................................................................................... 15
Power Supply and Cooling Fan Modules....................................................................................................................... 16
Identify the Failed Power Supply.............................................................................................................................. 16
Identify the Failed Cooling Fan..................................................................................................................................16
Replace a Power Supply and Cooling Fan Module................................................................................................. 16
Storage Controllers...........................................................................................................................................................18
Before Working Inside Storage Controller................................................................................................................18
Storage Controller Service Bae............................................................................................................................. 18
Storage Controller...................................................................................................................................................... 19
Storage Controller Cover.......................................................................................................................................... 22
Battery Backup Unit.................................................................................................................................................. 23
Riser 1.......................................................................................................................................................................... 25
I/O Card.......................................................................................................................................................................27
Mezzanine Card......................................................................................................................................................... 30
Rack Rails..........................................................................................................................................................................33
Remove the Rack Rails..............................................................................................................................................33
Install the Rack Rails..................................................................................................................................................34
Contents
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