Dell EMC PowerVault MD3820i - Page 4

Removing the RAID Controller Module Backup Battery Unit .......................................................................... 23
Installing the RAID Controller Module Backup Battery Unit..............................................................................23
Power Supply or Cooling Fan Module.......................................................................................................................... 24
Removing a Power Supply or Cooling Fan Module..............................................................................................24
Installing a Power Supply or Cooling Fan Module................................................................................................24
Control Panel......................................................................................................................................................................25
Removing the Control Panel.....................................................................................................................................25
Installing the Control Panel....................................................................................................................................... 26
Backplane............................................................................................................................................................................ 27
Removing the Backplane........................................................................................................................................... 27
Installing the Backplane............................................................................................................................................. 28
Chapter 4: Troubleshooting Your System.................................................................................... 29
Troubleshooting Storage Array Startup Failure......................................................................................................... 29
Troubleshooting Loss of Communication.................................................................................................................... 29
Troubleshooting External Connections........................................................................................................................ 29
Troubleshooting Power Supply or Cooling Fan Modules......................................................................................... 30
Troubleshooting Array Cooling Problems.................................................................................................................... 30
Troubleshooting Expansion Enclosure Management Modules............................................................................... 30
If EMM Status LED is Blinking Amber at Five Times per Sequence ...............................................................31
If the EMM Status LED is Solid or Blinking Amber at Two or Four Times per Sequence.......................... 31
If the Link Status LEDs are not Green.................................................................................................................... 31
Troubleshooting RAID controller modules....................................................................................................................31
If the Array Status LED is Solid or Blinking Amber.............................................................................................. 31
If the Link Status LEDs are not Green................................................................................................................... 32
Troubleshooting Physical Disks......................................................................................................................................32
Troubleshooting Array and Expansion Enclosure Connections.............................................................................. 32
Troubleshooting a Wet System......................................................................................................................................33
Troubleshooting a Damaged System............................................................................................................................ 33
Controller failure conditions............................................................................................................................................34
Critical conditions........................................................................................................................................................34
Noncritical conditions................................................................................................................................................. 34
Invalid Storage Array.................................................................................................................................................. 34
ECC Errors.................................................................................................................................................................... 34
PCI errors...................................................................................................................................................................... 35
Chapter 5: Technical Specifications............................................................................................ 36
Chapter 6: Getting help...............................................................................................................39
Locating your system Service Tag................................................................................................................................39
Contacting Dell.................................................................................................................................................................. 39
Documentation feedback................................................................................................................................................ 39
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