IBM QS21 Service Guide - Page 22

Turning, blade, server - linux

Page 22 highlights

Power-control button Figure 1. 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. Turning off the blade server When you turn off the blade server, it is still connected to power through the BladeCenter unit and can continue to respond to requests from the service processor, including remote requests to turn the blade server on. To remove all power from the blade server, you must physically remove it from the BladeCenter unit or power off the BladeCenter unit. To avoid loss of data, shut down the Linux® operating system before you turn off the blade server. Shut down the operating system by entering the shutdown -h now command at the command prompt or by choosing shutdown if you are using a graphical user interface (GUI). See your operating system documentation for additional information about shutting down the operating system. If the BladeCenter unit has not been turned off, the blade server can be turned off in any of the following ways: Using the power control button You can press the power control button behind the control-panel door on the front panel of the blade server. This starts an orderly shutdown of the operating system, providing your operating system supports this feature, before turning off the BladeCenter QS21. If the operating system stops functioning, pressing and holding the power control button for more than 4 seconds turns off the blade server. Using the BladeCenter Advanced Management Module You can use the Advanced Management Module Web interface to turn off 4 BladeCenter QS21 Type 0792: Problem Determination and Service Guide

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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.
Turning
off
the
blade
server
When
you
turn
off
the
blade
server,
it
is
still
connected
to
power
through
the
BladeCenter
unit
and
can
continue
to
respond
to
requests
from
the
service
processor,
including
remote
requests
to
turn
the
blade
server
on.
To
remove
all
power
from
the
blade
server,
you
must
physically
remove
it
from
the
BladeCenter
unit
or
power
off
the
BladeCenter
unit.
To
avoid
loss
of
data,
shut
down
the
Linux
®
operating
system
before
you
turn
off
the
blade
server.
Shut
down
the
operating
system
by
entering
the
shutdown
-h
now
command
at
the
command
prompt
or
by
choosing
shutdown
if
you
are
using
a
graphical
user
interface
(GUI).
See
your
operating
system
documentation
for
additional
information
about
shutting
down
the
operating
system.
If
the
BladeCenter
unit
has
not
been
turned
off,
the
blade
server
can
be
turned
off
in
any
of
the
following
ways:
Using
the
power
control
button
You
can
press
the
power
control
button
behind
the
control-panel
door
on
the
front
panel
of
the
blade
server.
This
starts
an
orderly
shutdown
of
the
operating
system,
providing
your
operating
system
supports
this
feature,
before
turning
off
the
BladeCenter
QS21.
If
the
operating
system
stops
functioning,
pressing
and
holding
the
power
control
button
for
more
than
4
seconds
turns
off
the
blade
server.
Using
the
BladeCenter
Advanced
Management
Module
You
can
use
the
Advanced
Management
Module
Web
interface
to
turn
off
Power-control
button
Figure
1.
Blade
server
power
button
4
BladeCenter
QS21
Type
0792:
Problem
Determination
and
Service
Guide