IBM JS20 Hardware Maintenance Manual - Page 81

Installing, options

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Chapter 9. Installing options This chapter provides instructions for adding options or customer-replaceable units (CRUs) to the blade server. CRUs are easily replaceable components, such as memory modules, hard disk drives, and I/O expansion cards. (Some removal instructions are provided in case you need to remove one option or CRU to install another.) Installation guidelines Before you begin, read the following information: v Read Appendix B, "Safety information," on page 163, and the guidelines in "Handling static-sensitive devices." This information will help you work safely with the blade server and options. v Read the information in "Preinstallation checklist" on page 9. v Back up all important data before you make changes to disk drives. v For a list of supported options for the blade server, go to http://www.ibm.com/pc/ us/compat/. v Before you remove a hot-swap blade server from the BladeCenter unit, you must shut down the operating system by typing shutdown -h now. If the blade server was not turned off, press the power-control button (behind the blade-server control panel door) to turn off the blade server. You do not have to shut down the BladeCenter unit itself. System reliability guidelines To help ensure proper cooling and system reliability, make sure that: v The ventilation holes on the blade server are not blocked. v Each of the blade bays on the front of the BladeCenter unit has a blade server or filler blade installed. Do not operate the BladeCenter unit for more than 1 minute without a blade server or filler blade installed in each blade bay. v You have followed the reliability guidelines in the documentation that comes with the BladeCenter unit. v You have not installed any small computer system interface (SCSI) devices. The blade server does not support SCSI devices. If you attach SCSI devices to the blade server, these devices will not be recognized or configured, and they will not operate. Handling static-sensitive devices Attention: Static electricity can damage the blade server, the BladeCenter unit, and other electronic devices. To avoid damage, keep static-sensitive devices in their static-protective packages until you are ready to install them. To reduce the possibility of damage from electrostatic discharge, observe the following precautions: v When working on the BladeCenter T unit, use an electrostatic discharge (ESD) wrist strap, especially when you will be handling modules, options, and blade servers. To work properly, the wrist strap must have a good contact at both ends (touching your skin at one end and firmly connected to the ESD connector on the front or back of the BladeCenter T unit). © Copyright IBM Corp. 2003 71

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Chapter
9.
Installing
options
This
chapter
provides
instructions
for
adding
options
or
customer-replaceable
units
(CRUs)
to
the
blade
server.
CRUs
are
easily
replaceable
components,
such
as
memory
modules,
hard
disk
drives,
and
I/O
expansion
cards.
(Some
removal
instructions
are
provided
in
case
you
need
to
remove
one
option
or
CRU
to
install
another.)
Installation
guidelines
Before
you
begin,
read
the
following
information:
v
Read
Appendix
B,
“Safety
information,”
on
page
163,
and
the
guidelines
in
“Handling
static-sensitive
devices.”
This
information
will
help
you
work
safely
with
the
blade
server
and
options.
v
Read
the
information
in
“Preinstallation
checklist”
on
page
9.
v
Back
up
all
important
data
before
you
make
changes
to
disk
drives.
v
For
a
list
of
supported
options
for
the
blade
server,
go
to
us/compat/.
v
Before
you
remove
a
hot-swap
blade
server
from
the
BladeCenter
unit,
you
must
shut
down
the
operating
system
by
typing
shutdown
-h
now
.
If
the
blade
server
was
not
turned
off,
press
the
power-control
button
(behind
the
blade-server
control
panel
door)
to
turn
off
the
blade
server.
You
do
not
have
to
shut
down
the
BladeCenter
unit
itself.
System
reliability
guidelines
To
help
ensure
proper
cooling
and
system
reliability,
make
sure
that:
v
The
ventilation
holes
on
the
blade
server
are
not
blocked.
v
Each
of
the
blade
bays
on
the
front
of
the
BladeCenter
unit
has
a
blade
server
or
filler
blade
installed.
Do
not
operate
the
BladeCenter
unit
for
more
than
1
minute
without
a
blade
server
or
filler
blade
installed
in
each
blade
bay.
v
You
have
followed
the
reliability
guidelines
in
the
documentation
that
comes
with
the
BladeCenter
unit.
v
You
have
not
installed
any
small
computer
system
interface
(SCSI)
devices.
The
blade
server
does
not
support
SCSI
devices.
If
you
attach
SCSI
devices
to
the
blade
server,
these
devices
will
not
be
recognized
or
configured,
and
they
will
not
operate.
Handling
static-sensitive
devices
Attention:
Static
electricity
can
damage
the
blade
server,
the
BladeCenter
unit,
and
other
electronic
devices.
To
avoid
damage,
keep
static-sensitive
devices
in
their
static-protective
packages
until
you
are
ready
to
install
them.
To
reduce
the
possibility
of
damage
from
electrostatic
discharge,
observe
the
following
precautions:
v
When
working
on
the
BladeCenter
T
unit,
use
an
electrostatic
discharge
(ESD)
wrist
strap,
especially
when
you
will
be
handling
modules,
options,
and
blade
servers.
To
work
properly,
the
wrist
strap
must
have
a
good
contact
at
both
ends
(touching
your
skin
at
one
end
and
firmly
connected
to
the
ESD
connector
on
the
front
or
back
of
the
BladeCenter
T
unit).
©
Copyright
IBM
Corp.
2003
71