Chapter 4. TroubleshootingThis chapter describes the diagnostic tools and troubleshooting information thatare available to help you solve problems that might occur in the server.If you cannot diagnose and correct a problem by using the information in thischapter, see “Start here” and Appendix D, “Getting help and technical assistance,”on page 747 for more information.Start hereYou can solve many problems without outside assistance by following thetroubleshooting procedures in this documentation and on the World Wide Web.This document describes the diagnostic tests that you can perform, troubleshootingprocedures, and explanations of error messages and error codes. Thedocumentation that comes with your operating system and software also containstroubleshooting information.Diagnosing a problemBefore you contact IBM or an approved warranty service provider, follow theseprocedures in the order in which they are presented to diagnose a problem withyour server.Procedure1. Return the server to the condition it was in before the problem occurred. Ifany hardware, software, or firmware was changed before the problem occurred,if possible, reverse those changes. This might include any of the followingitems:v Hardware componentsv Device drivers and firmwarev System softwarev UEFI firmwarev System input power or network connections2. View the light path diagnostics LEDs and event logs. The server is designedfor ease of diagnosis of hardware and software problems.v Light path diagnostics LEDs: See “Server controls, LEDs, and power” onpage 16 for information about using light path diagnostics LEDs.v Event logs: See “Event logs” on page 124 for information about notificationevents and diagnosis.v Software or operating-system error codes: See the documentation for thesoftware or operating system for information about a specific error code. Seethe manufacturer's website for documentation.3. Run IBM Dynamic System Analysis (DSA) and collect system data. RunDynamic System Analysis (DSA) to collect information about the hardware,firmware, software, and operating system. Have this information availablewhen you contact IBM or an approved warranty service provider. Forinstructions for running DSA, see the Dynamic System Analysis Installation andUser's Guide.© Copyright IBM Corp. 2014 115
