Dell PowerVault MD3420 - Manual (Page 4)

Installing a RAID Controller Module Blank ................................................................................... 23
Removing a RAID Controller Module .......................................................................................... 23
Installing a RAID Controller Module ............................................................................................ 24
Opening the RAID Controller Module ......................................................................................... 25
Closing the RAID Controller Module ............................................................................................25
RAID Controller Module Backup Battery Unit ...................................................................................26
Removing the RAID Controller Module Backup Battery Unit .....................................................26
Installing the RAID Controller Module Backup Battery Unit ........................................................26
Power Supply/Cooling Fan Module ....................................................................................................27
Removing a Power Supply/Cooling Fan Module ......................................................................... 27
Installing a Power Supply/Cooling Fan Module ...........................................................................28
Control Panel ...................................................................................................................................... 29
Removing the Control Panel ........................................................................................................ 29
Installing the Control Panel .......................................................................................................... 30
Backplane .............................................................................................................................................31
Removing the Backplane ...............................................................................................................31
Installing the Backplane ................................................................................................................ 33
4 Troubleshooting Your System............................................................................ 35
Safety First—For You and Your System .............................................................................................. 35
Troubleshooting Storage Array Startup Failure ..................................................................................35
Troubleshooting Loss of Communication .........................................................................................35
Troubleshooting External Connections ............................................................................................. 35
Troubleshooting Power Supply/Cooling Fan Modules ..................................................................... 36
Troubleshooting Array Cooling Problems ......................................................................................... 36
Troubleshooting Expansion Enclosure Management Modules .........................................................37
If EMM Status LED is Blinking Amber (5 Times per Sequence) ................................................... 37
If the EMM Status LED is Solid or Blinking Amber (2 or 4 Times per Sequence) ........................ 37
If the Link Status LEDs are not Green ........................................................................................... 37
Troubleshooting RAID Controller Modules ........................................................................................37
If the Array Status LED is Solid or Blinking Amber ....................................................................... 38
If the Link Status LEDs are not Green ...........................................................................................38
Troubleshooting Physical Disks ..........................................................................................................38
Troubleshooting Array and Expansion Enclosure Connections ....................................................... 39
Troubleshooting a Wet System .......................................................................................................... 39
Troubleshooting a Damaged System .................................................................................................40
Controller Failure Conditions .............................................................................................................40
Critical Conditions ........................................................................................................................ 40
Noncritical Conditions .................................................................................................................. 41
Invalid Storage Array ......................................................................................................................41
ECC Errors ......................................................................................................................................41
PCI Errors ....................................................................................................................................... 41