v
Diagnostic
programs
and
error
messages
Real
Time
Diagnostics
tests
the
major
components
of
the
BladeCenter
unit,
including
the
management
modules,
I/O
modules,
removable
media
drives,
and
the
blade
servers,
while
the
operating
system
is
running.
Real
Time
Diagnostics
can
be
plugged
into
an
existing
IBM
Director
environment
or
installed
without
IBM
Director
present.
For
documentation
and
download
information
for
Real
Time
Diagnostics,
see
http://www.ibm.com/servers/eserver/xseries/
systems_management/.
See
the
Problem
Determination
and
Service
Guide
for
more
information.
Note:
If
you
are
unable
to
find
the
system
error
logs
in
the
blade-server
firmware
code,
view
the
system
event
log
in
the
BladeCenter
management
module.
v
Light
path
diagnostics
Use
light
path
diagnostics
LEDs
on
the
blade
server
system
board
and
MPE
to
identify
system
errors.
If
the
system-error
LED
on
the
system
LED
panel
on
the
front
or
rear
of
the
BladeCenter
unit
is
lit,
one
or
more
error
LEDs
on
the
BladeCenter
unit
components
also
might
be
lit.
These
LEDs
help
identify
the
cause
of
the
problem.
Blade
server
and
MPE
error
LEDs
are
described
in
the
Problem
Determination
and
Service
Guide
for
your
blade
server.
ServerGuide
problems
The
following
table
lists
problem
symptoms
and
suggested
solutions.
Symptom
Suggested
action
The
ServerGuide
Setup
and
Installation
CD
will
not
start.
v
Make
sure
that
the
CD-ROM
drive
is
associated
with
the
blade
server
that
you
are
configuring.
v
Make
sure
that
the
blade
server
supports
the
ServerGuide
program
and
has
a
startable
(bootable)
CD-ROM
(or
DVD-ROM)
drive.
v
If
the
startup
(boot)
sequence
settings
have
been
altered,
make
sure
that
the
CD-ROM
drive
is
first
in
the
startup
sequence.
The
RAID
configuration
program
cannot
view
all
installed
drives,
or
the
operating
system
cannot
be
installed.
v
Make
sure
that
there
are
no
duplicate
SCSI/SAS
IDs
or
IRQ
assignments.
v
Make
sure
that
the
hard
disk
drive
is
connected
correctly.
The
operating-system
installation
program
continuously
loops.
Make
more
space
available
on
the
hard
disk.
The
ServerGuide
program
will
not
start
the
operating-system
CD.
Make
sure
that
the
operating-system
CD
is
supported
by
the
ServerGuide
program.
See
the
ServerGuide
Setup
and
Installation
CD
label
for
a
list
of
operating-system
versions
that
support
the
ServerGuide
program.
The
operating
system
cannot
be
installed;
the
option
is
not
available.
Make
sure
that
the
operating
system
is
supported
on
your
server.
If
the
operating
system
is
supported,
either
there
is
no
logical
drive
defined
(SCSI
RAID
systems)
or
the
ServerGuide
System
Partition
is
not
present.
Run
the
ServerGuide
program
and
make
sure
that
setup
is
complete.
56
BladeCenter
LS21
Type
7971
and
LS41
Type
7972:
Installation
and
User’s
Guide
Summary of Contents for LS21 - BladeCenter - 7971
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