Chapter 2. Blade Server Power, Controls, And Indicators; Turning On The Blade Server - IBM BladeCanter HS20 Installation And User Manual

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.

Turning on the blade server

After you connect the BladeCenter unit to power through the BladeCenter unit, the
blade server can start in any of the following ways:
v You can press the power-control button on the front of the blade server (behind
v If a power failure occurs, the BladeCenter unit and then the blade server can
v You can turn on the blade server remotely by means of the service processor in
v If your operating system supports the Wake on LAN feature and the blade server
© Copyright IBM Corp. 2003
the control panel door) to start the server.
Notes:
1. After you connect the power cords of your BladeCenter unit to the electrical
outlets, wait until the power-on LED on the blade server flashes slowly before
pressing the blade server power-control button. During this time, the service
processor in the BladeCenter management module is initializing; therefore,
the power-control button on the blade server does not respond.
2. 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 15 for the
power-on LED states.
start automatically when power is restored (if the blade server is configured
through the BladeCenter management module to do so).
the BladeCenter management module.
power-on LED is flashing slowly, the Wake on LAN feature can turn on the blade
server, if the Wake on LAN feature has not been disabled through the
management-module Web interface.
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