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Figure 1. Blade server power button
Using the BladeCenter Advanced Management Module
Using the Wake on LAN
In the event of a power failure the BladeCenter unit and then the blade server can
start automatically when power is restored. You must configure this through the
BladeCenter Advanced Management Module. See the BladeCenter Management
Module User's Guide for further information about this feature.
Turning off the blade server
When you turn off the blade server, it is still connected to power through the
BladeCenter unit and can continue to respond to requests from the service
processor, including remote requests to turn the blade server on. To remove all
power from the blade server, you must physically remove it from the BladeCenter
unit or power off the BladeCenter unit.
To avoid loss of data, shut down the Linux
blade server. Shut down the operating system by entering the shutdown -h now
command at the command prompt or by choosing shutdown if you are using a
graphical user interface (GUI). See your operating system documentation for
additional information about shutting down the operating system.
If the BladeCenter unit has not been turned off, the blade server can be turned off
in any of the following ways:
Using the power control button
Using the BladeCenter Advanced Management Module
4
BladeCenter QS21 Type 0792: Problem Determination and Service Guide
You can use the BladeCenter Management Module Web interface to turn on
the blade server remotely.
®
feature:
If you want to use the Wake on LAN feature, the feature must be enabled in
the installed operating system and it must not have been disabled through
the Advanced Management Module.
You can press the power control button behind the control-panel door on
the front panel of the blade server. This starts an orderly shutdown of the
operating system, providing your operating system supports this feature,
before turning off the BladeCenter QS21. If the operating system stops
functioning, pressing and holding the power control button for more than 4
seconds turns off the blade server.
You can use the Advanced Management Module Web interface to turn off
Power-control
button
®
operating system before you turn off the
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Table of Contents
Troubleshooting
