IBM QS21 User Guide - Page 26

Turning, blade, server

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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 the blade server remotely. You can also configure the Advanced Management Module to turn off the blade server automatically if the system is not operating correctly. Note: After turning off the blade server, wait at least 5 seconds before turning it on again. 10 QS21 Installation and User's Guide

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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
the
blade
server
remotely.
You
can
also
configure
the
Advanced
Management
Module
to
turn
off
the
blade
server
automatically
if
the
system
is
not
operating
correctly.
Note:
After
turning
off
the
blade
server,
wait
at
least
5
seconds
before
turning
it
on
again.
10
QS21
Installation
and
User’s
Guide