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