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16 Contents
19 Troubleshooting: Your Array . . . . . . . . . 253
Safety First—For you and Your Array . . . . . . . . . 253
Troubleshooting Storage Array Startup Failure
. . . . 253
Troubleshooting Loss of Communication . . . . . . . 253
Troubleshooting External Connections
. . . . . . . . 253
Troubleshooting Power Supply/Cooling
Fan Module
. . . . . . . . . . . . . . . . . . . . . . . 254
Troubleshooting Array Cooling Problems
. . . . . . . 255
Troubleshooting Expansion Enclosure
Management Modules
. . . . . . . . . . . . . . . . . 255
Troubleshooting RAID Controller Modules . . . . . . 256
Troubleshooting Hard Drives
. . . . . . . . . . . . . 258
Troubleshooting Array and Expansion
Enclosure Connections
. . . . . . . . . . . . . . . . 259
Troubleshooting a Wet Storage Array
. . . . . . . . . 260
Troubleshooting a Damaged Array
. . . . . . . . . . 261
Troubleshooting RAID Controller Modules
. . . . . . 261
Conditions
. . . . . . . . . . . . . . . . . . . . . 261
Invalid Storage Array . . . . . . . . . . . . . . . 262
ECC Errors
. . . . . . . . . . . . . . . . . . . . . 262
PCI Errors
. . . . . . . . . . . . . . . . . . . . . 262
Critical Conditions. . . . . . . . . . . . . . . . . 262
Noncritical Conditions
. . . . . . . . . . . . . . 263
book.book Page 16 Tuesday, September 27, 2011 3:25 PM