Chapter 2. Power, controls, and indicators
Use this information to view power features, turn on and turn off the blade server,
and view the functions of the controls and indicators.
Turning on the blade server
After you connect the blade server to power through the BladeCenter chassis, the
blade server can be started in any of the following ways.
v You can press the power button on the front of the blade server (see “Blade
server controls and LEDs” on page 16) to start the blade server. The power
button works only if local power control is enabled for the blade server. Local
power control is enabled and disabled through the advanced management
module Web interface.
Notes:
1. Wait until the power LED on the blade server flashes slowly before you press
the power button. While the service processor in the blade server is
initializing and synchronizing with the advanced management module, the
power-on LED flashes rapidly, and the power-control button on the blade
server does not respond. This process can take approximately 90 seconds
after the blade server has been installed.
2. While the blade server is starting, the power LED on the front of the blade
server is lit and does not flash. See “Blade server controls and LEDs” on
page 16 for the power LED states.
v If a power failure occurs, the BladeCenter chassis and the blade server can be
configured through the advanced management module Web interface to start
automatically when power is restored.
v You can turn on the blade server through the advanced management module
Web interface. For more information about the advanced management module
Web interface, see the IBM BladeCenter Advanced Management Module: User's
Guide.
v You can turn on the blade server through the Wake on LAN feature. The blade
server must be connected to power (the power-on LED is flashing slowly), the
blade server must be communicating with the advanced management module,
the operating system must support the Wake on LAN feature, and the Wake on
LAN feature must be enabled through the advanced management module
interface.
Note: Procedure to enable the Wake on LAN feature varies depending on the
network device. Refer to the documentation that is provided for your network
device for more information.
Turning off the blade server
When you turn off the blade server, it is still connected to power through the
BladeCenter chassis. The blade server can respond to requests from the service
processor, such as a remote request to turn on the blade server. To remove all
power from the blade server, you must remove it from the BladeCenter chassis.
© Copyright IBM Corp. 2011 15
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