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Chapter 2. Blade server power, controls, and indicators
This chapter describes the power features, how to turn on and turn off the blade
server, and what the controls and indicators mean. This chapter also identifies the
system board connectors.
Turning on the blade server
The BladeCenter QS21 is hot-swappable and can be inserted into the BladeCenter
unit when the unit is already powered up. However, it can only be powered on by
one of the methods described in this section. While the blade server is powering up,
the power-on LED on the front of the server is lit. See "Blade server controls and
LEDs" on page 11 for the power-on LED states.
After you have installed the BladeCenter QS21 into a powered up BladeCenter unit,
wait until the power on LED on the blade server flashes slowly before turning on the
blade server.
You can turn on the blade server in any of the following ways:
Using the power control button
Figure 3. 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.
© Copyright IBM Corp. 2006, 2008
You can press the power-control button Figure 3 which is behind the
control-panel door on the front of the blade server if local power control is
enabled for the blade server. Local power control is enabled and disabled
through the BladeCenter Management Module Web interface.
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.
Power-control
button
9
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