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18 Contents
Using Go To. . . . . . . . . . . . . . . . . . . . . . . 283
Recovering From an Unresponsive Storage
Array Condition
. . . . . . . . . . . . . . . . . . . . . 284
Locating a Physical Disk
. . . . . . . . . . . . . . . . 287
Locating an Expansion Enclosure
. . . . . . . . . . . 287
Capturing the State Information . . . . . . . . . . . . 288
SMrepassist Utility
. . . . . . . . . . . . . . . . . . . 289
Unidentified Devices
. . . . . . . . . . . . . . . . . . 290
Recovering From an Unidentified Storage Array . . . 290
Starting or Restarting the Host Context
Agent Software
. . . . . . . . . . . . . . . . . . . . . 293
20 Troubleshooting: Your Array . . . . . . . . . 295
Safety First—For You and Your Array . . . . . . . . . 295
Troubleshooting Storage Array Startup Failure
. . . . 295
Troubleshooting Loss of Communication
. . . . . . . 295
Troubleshooting an SFP Transceiver
. . . . . . . . . 295
Troubleshooting External Connections
. . . . . . . . 298
Troubleshooting Power Supply/Cooling
Fan Module
. . . . . . . . . . . . . . . . . . . . . . . 298
Troubleshooting Array Cooling Problems
. . . . . . . 299
Troubleshooting Expansion Enclosure
Management Modules
. . . . . . . . . . . . . . . . . 300
Troubleshooting RAID Controller Modules
. . . . . . 301
book.book Page 18 Tuesday, June 18, 2013 3:03 PM