must remove nonsupported hardware before you contact IBM or anapproved warranty service provider for support.b. Make sure that the server, operating system, and software are installedand configured correctly. Many configuration problems are caused by loosepower or signal cables or incorrectly seated adapters. You might be able tosolve the problem by turning off the server, reconnecting cables, reseatingadapters, and turning the server back on. For information about performingthe checkout procedure, see “About the checkout procedure” on page 156.For information about configuring the server, see “Configuring the server”on page 122.6. See controller and management software documentation. If the problem isassociated with a specific function (for example, if a RAID hard disk drive ismarked offline in the RAID array), see the documentation for the associatedcontroller and management or controlling software to verify that the controlleris correctly configured.Problem determination information is available for many devices such as RAIDand network adapters.For problems with operating systems or IBM software or devices, go tohttp://www.ibm.com/supportportal.7. Check for troubleshooting procedures and RETAIN tips. Troubleshootingprocedures and RETAIN tips document known problems and suggestedsolutions. To search for troubleshooting procedures and RETAIN tips, go tohttp://www.ibm.com/supportportal.8. Use the troubleshooting tables. See “Troubleshooting by symptom” on page178 to find a solution to a problem that has identifiable symptoms.A single problem might cause multiple symptoms. Follow the troubleshootingprocedure for the most obvious symptom. If that procedure does not diagnosethe problem, use the procedure for another symptom, if possible.If the problem remains, contact IBM or an approved warranty service providerfor assistance with additional problem determination and possible hardwarereplacement. To open an online service request, go to http://www.ibm.com/support/entry/portal/Open_service_request. Be prepared to provideinformation about any error codes and collected data.Undocumented problemsIf you have completed the diagnostic procedure and the problem remains, theproblem might not have been previously identified by IBM. After you haveverified that all code is at the latest level, all hardware and software configurationsare valid, and no light path diagnostics LEDs or log entries indicate a hardwarecomponent failure, contact IBM or an approved warranty service provider forassistance.To open an online service request, go to http://www.ibm.com/support/entry/portal/Open_service_request. Be prepared to provide information about any errorcodes and collected data and the problem determination procedures that you haveused.Chapter 4. Troubleshooting 155
