IBM BladeCenter QS20 Installation And User Manual

Also see for BladeCenter QS20: Problem determination and service guide

Contents

Power problemsPower symptom Suggested actionThe blade server does notturn on. 1. Make sure that:a. The power-on LED on the front of the BladeCenter unit is lit.b. The LEDs on all the BladeCenter power modules are lit.c. If the blade server is in blade bays 7 through 14, power modules are inpower-module bays 1, 2, 3, and 4.d. The power-on LED on the blade-server control panel is flashing slowly.v If the power-on LED is flashing rapidly and continues to do so, the bladeserver is not communicating with the Management Module; reseat theblade server and go to step 3.v If the power LED is off, either the blade bay is not receiving power, theblade server is defective, or the LED information panel is loose ordefective.e. Local power control for the blade server is enabled (use the BladeCenterManagement Module Web interface to make sure), or the blade server wasinstructed through the Management Module (Web interface) to turn on.f. The blade server is not installed in blade bay 6/7, because if a blade server isinstalled in either of these bays, it can cause damage to the power supply. Ablade server can be installed in blade bays 5/6 or 7/8, but not in 6/7.2. If you just installed an option in the blade server, remove it, and restart the bladeserver. If the blade server now turns on, troubleshoot the option (see thedocumentation that comes with the option for information).3. Try another blade server in the blade bay; if it works, replace the faulty bladeserver.4. If the problem remains, BladeCenter QS20 Problem Determination and ServiceGuide.Network connection problemsNetwork connectionsymptom Suggested actionOne or more blade serversare unable to communicatewith the network.Make sure that:v The switch modules for the network interface being used are installed in thecorrect BladeCenter bays and are configured and operating correctly.v The settings in the switch module are correct for the blade server (settings in theswitch module are blade server specific).For additional information, see:v Chapter 6, “Configuring the blade server,” on page 45v The following documentation:– IBM BladeCenter (Type 8677) Hardware Maintenance Manual andTroubleshooting GuideNote: For the latest editions of the IBM BladeCenter documentation, go tohttp://www.ibm.com/pc/support/ on the World Wide Web.v Other product-specific documentation that comes with the switch moduleIf the problem remains, see the BladeCenter QS20 Problem Determination andService Guide.56 BladeCenter QS20 Type 0200: Installation and User’s Guide