Chapter
1.
Introduction
This
Problem
Determination
and
Service
Guide
contains
information
to
help
you
solve
problems
that
might
occur
in
your
IBM
®
BladeCenter
®
LS21
Type
7971
and
LS41
Type
7972
blade
server.
It
describes
the
diagnostic
tools
that
come
with
the
blade
server,
error
codes
and
suggested
actions,
and
instructions
for
replacing
failing
components.
Replaceable
components
are
of
three
types:
v
Tier
1
customer
replaceable
unit
(CRU):
Replacement
of
Tier
1
CRUs
is
your
responsibility.
If
IBM
installs
a
Tier
1
CRU
at
your
request,
you
will
be
charged
for
the
installation.
v
Tier
2
customer
replaceable
unit:
You
may
install
a
Tier
2
CRU
yourself
or
request
IBM
to
install
it,
at
no
additional
charge,
under
the
type
of
warranty
service
that
is
designated
for
your
server.
v
Field
replaceable
unit
(FRU):
FRUs
must
be
installed
only
by
trained
service
technicians.
For
information
about
the
terms
of
the
warranty
and
getting
service
and
assistance,
see
the
Warranty
and
Support
Information
document.
Related
documentation
In
addition
to
this
document,
the
following
documentation
also
comes
with
the
server:
v
Installation
and
User’s
Guide
This
printed
document
contains
general
information
about
the
server,
including
how
to
install
supported
options
and
how
to
configure
the
server.
v
Safety
Information
This
document
is
in
Portable
Document
Format
(PDF)
on
the
IBM
Documentation
CD.
It
contains
translated
caution
and
danger
statements.
Each
caution
and
danger
statement
that
appears
in
the
documentation
has
a
number
that
you
can
use
to
locate
the
corresponding
statement
in
your
language
in
the
Safety
Information
document.
v
Warranty
and
Support
Information
This
document
is
in
on
the
IBM
Documentation
CD.
It
contains
information
about
the
terms
of
the
warranty
and
about
service
and
assistance.
Depending
on
the
server
model,
additional
documentation
might
be
included
on
the
IBM
Documentation
CD.
The
blade
server
might
have
features
that
are
not
described
in
the
documentation
that
comes
with
the
server.
The
documentation
might
be
updated
occasionally
to
include
information
about
those
features,
or
technical
updates
might
be
available
to
provide
additional
information
that
is
not
included
in
the
blade
server
documentation.
The
most
recent
versions
of
all
BladeCenter
documentation
are
at
http://www.ibm.com/bladecenter/.
In
addition
to
the
documentation
in
this
library,
be
sure
to
review
the
IBM
BladeCenter
Planning
and
Installation
Guide
for
your
BladeCenter
unit
type
for
information
to
help
you
prepare
for
system
installation
and
configuration.
This
document
is
available
at
http://www.ibm.com/bladecenter/.
©
Copyright
IBM
Corp.
2006
1
Summary of Contents for LS21 - BladeCenter - 7971
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