Controlling System Power
This chapter describes how to power the server on and off. It includes:
■
“Powering the Server On and Off” on page 145
■
“Power Off Host Using the Power Button” on page 146
■
“Power On Host Using the Power Button” on page 146
■
“Power Host On and Off Using Oracle ILOM” on page 147
Powering the Server On and Off
Your server has three power states: power off, standby power, and full power.
Power State
Description
Indicators
Action
Power off
The server is
completely powered
off when the AC power
cords are disconnected.
The server is
disconnected from
all power sources.
Disconnect power cords to completely remove
power.
Caution -
Equipment damage. Do not
disconnect power cords when system is in full
power mode.
Standby power When the server is
in standby power
mode, Oracle ILOM is
powered on but the host
is powered off.
The power OK
indicator blinks.
The service
processor OK
indicator is steady
on.
If the server is completely powered off, plug in
the power cords to apply standby power.
If the server is in full power mode, use Oracle
ILOM or the recessed power button to remove
host power.
You can power the host off gracefully, or
immediately.
Caution -
Data loss: To prevent data loss,
prepare the operating system for shutdown
before performing an immediate power off.
Full power
When you power on the
host, the server enters
full power mode.
In full power mode,
the power OK
indicator is steady
on.
Use Oracle ILOM or the recessed power button
to apply host power.
Controlling System Power
145
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