IBM QS21 User Guide - Page 25

Blade, server, power, controls, indicators

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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 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. Power-control button Figure 3. Blade server power button Using the BladeCenter Advanced Management Module You can use the BladeCenter Management Module Web interface to turn on the blade server remotely. Using the Wake on LAN® 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. 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 9

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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
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.
Using
the
BladeCenter
Advanced
Management
Module
You
can
use
the
BladeCenter
Management
Module
Web
interface
to
turn
on
the
blade
server
remotely.
Using
the
Wake
on
LAN
®
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.
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.
Power-control
button
Figure
3.
Blade
server
power
button
©
Copyright
IBM
Corp.
2006,
2008
9