Dell MD3200i, MD3220i 20 T roubleshooting: Y our Array

16 Contents
20 Troubleshooting: Your Array . . . . . . . . . 249
Safety First—For you and Your Array . . . . . . . . . 249
Troubleshooting Storage Array Startup Failure . . . . 249
Troubleshooting Loss of Communication . . . . . . . 249
Troubleshooting External Connections . . . . . . . . 249
Troubleshooting Power Supply/Cooling
Fan Module. . . . . . . . . . . . . . . . . . . . . . . 250
Troubleshooting Array Cooling Problems . . . . . . . 251
Troubleshooting Expansion
Enclosure Management Modules . . . . . . . . . . . 251
Troubleshooting RAID Controller Modules . . . . . . 253
Troubleshooting Hard Drives . . . . . . . . . . . . . 254
Troubleshooting Array and
Expansion Enclosure Connections . . . . . . . . . . 255
Troubleshooting a Wet Storage Array . . . . . . . . . 255
Troubleshooting a Damaged Array . . . . . . . . . . 256
Troubleshooting RAID Controller Modules . . . . . . 257
Conditions . . . . . . . . . . . . . . . . . . . . . 257
Invalid Storage Array . . . . . . . . . . . . . . . 257
ECC Errors. . . . . . . . . . . . . . . . . . . . . 257
PCI Errors . . . . . . . . . . . . . . . . . . . . . 258
Critical Conditions. . . . . . . . . . . . . . . . . 258
Noncritical Conditions . . . . . . . . . . . . . . 258
book.book Page 16 Wednesday, May 26, 2010 2:14 PM