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When a BladeCenter HX5 blade server is part of the scalable blade complex operating in single partition
mode, the scalability indicators move up the first blade server, cross over to the second blade server, and
then move down the second blade server.
Note: If you have set up a scalable blade complex in single partition mode but when you start the blade
servers, the scalability indicators for each blade server seem to be operating independently, there might be a
problem with the configuration of the scalable blade complex.
LEDs
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.
• You can press the power button on the front of the blade server (see "Blade server controls and LEDs" on
page 7) 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 7 for the power LED states.
• 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.
• 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.
• 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.
.
11
Chapter 1
Introduction
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