IBM BladeCenter HS20 Type 8832 Maintenance And Troubleshooting Manual

Also see for eServer BladeCenter HS20 Type 8832: Setup guide Installation and user guide Problem determination and service guide

Contents

Note: See “System” on page 94 to determine which components should be replaced by a field service technician.Network connection problemsSymptom FRU/actionOne or more blade servers areunable to communicate with thenetwork.Verify that:v The switch modules for the network interface being used are installed in thecorrect BladeCenter bays and are configured and operating correctly. See theIBM BladeCenter Type 8677 Hardware Maintenance Manual andTroubleshooting Guide on the IBM BladeCenter Documentation CD for details.v The settings in the switch module are appropriate for the blade server (settingsin the switch module are blade-specific).If you installed an I/O expansion option, verify that:v The option is designed for the blade server.v You followed the installation instructions that came with the option.v The option is installed correctly.v You have not loosened any other installed options or cables.v You updated the configuration information in the Configuration/Setup Utilityprogram. Whenever memory or an option is changed, you must update theconfiguration.If the problem remains, see “Undetermined problems” on page 90.Note: See “System” on page 94 to determine which components should be replaced by a field service technician.Service processor problemsSymptom FRU/actionService processor in themanagement module reports ageneral monitor failure.v Disconnect the BladeCenter unit from all electrical sources, wait for 30 seconds,reconnect the BladeCenter unit to the electrical sources, and restart the server. Ifthe problem remains, see “Undetermined problems” on page 90 and the IBMBladeCenter Type 8677 Hardware Maintenance Manual and TroubleshootingGuide on the IBM BladeCenter Documentation CDService processor error codesNote: These codes are viewed in the BladeCenter management module log.When viewed from POST, service processor error codes will appear in hexadecimalform (generally beginning with A2, A3, A4, A5, A6, A7, AD, AE, or E1). However,when viewed from the System Error Log, the messages will appear as text. Todetermine a possible error condition for the service processor, the System Error Log(see “Viewing error logs from the Configuration/Setup Utility program” on page 21)will refer you to the management module log in the BladeCenter unit.86 BladeCenter HS20 Type 8832: Hardware Maintenance Manual and Troubleshooting Guide