IBM 87302RU Hardware Maintenance Manual - Page 100
Device, Suggested, action, Blade, server, problem, Unplug, Eject, Hardware, Storage, Close
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Table 6. Troubleshooting charts Device Suggested action Blade server problem Blade servers turn off for no apparent reason. All blade bays must have a blade server, expansion unit, or filler blade in them. Blade bays that do not have these items installed or have them installed improperly disturb airflow in the BladeCenter T unit with an adverse effect on BladeCenter T unit cooling. If the BladeCenter T unit begins to overheat, blade server processors will begin to slow down and will eventually turn off the system. Blade server does not turn The problem occurs after installing the second microprocessor option or after on, the amber system-error replacing a failed microprocessor in a two-way Blade server. LED on the BladeCenter T system-LED panel is lit, the The processor with the lowest feature set and stepping level must be used as the amber blade error LED on the Bootstrap Processor (BSP). This processor must be in the Microprocessor 1 location. blade server LED panel is lit, Switch the processors in the Microprocessor 1 and Microprocessor 2 locations. and the system-error log contains the following message: ″CRUs MisMatched″. Some components do not report environmental status (temperature, voltage). The green status dot for a component is not automatically a link to environmental information (temperature and voltage) for the component. Only the management module and blade servers have environmental information, and only the green dot for those components contains a link to environmental information. Switching KVM control between blade servers gives USB device error. If a blade server is under heavy load, it can take several minutes before it enumerates the USB devices connected to it. If control of the KVM and media tray is switched away from the blade server before this enumeration is complete, a USB device installation error might be displayed. Do not switch KVM control between blade servers until the mouse and keyboard are both working on the blade server that has control of the KVM and media tray. "Unsafe Removal of Device" error message appears on blade server running Microsoft Windows 2000. Before switching ownership of the media tray to another blade server, safely stop the media tray devices on the blade server that currently owns the media tray, as follows: 1. Double-click the Unplug or Eject Hardware icon in the Windows taskbar at the bottom right of the screen. 2. Select USB Mass Storage Device, and click Stop. 3. Click Close. You can now safely switch ownership of the media tray to another blade server. 90 BladeCenter T Type 8720 and 8730: Hardware Maintenance Manual and Troubleshooting Guide