Chapter
10.
Solving
problems
This
chapter
provides
basic
troubleshooting
information
to
help
you
solve
some
common
problems
that
might
occur
while
setting
up
your
blade
server.
If
you
cannot
locate
and
correct
the
problem
using
the
information
in
this
chapter,
see
the
BladeCenter
JS20
Type
8842
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
that
comes
with
the
blade
server,
and
the
Server
Support
flowchart
in
the
front
of
this
book.
A
problem
with
the
BladeCenter
JS20
Type
8842
might
relate
to
either
the
BladeCenter
JS20
Type
8842
or
the
BladeCenter
unit.
v
A
blade-server
problem
exists
if
the
BladeCenter
unit
contains
more
than
one
blade
server
and
only
one
of
the
blade
servers
has
the
symptom.
v
If
all
of
the
blade
servers
have
the
same
symptom,
then
the
problem
relates
to
the
BladeCenter
unit.
For
more
information,
see
the
BladeCenter
Type
8677
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
.
For
troubleshooting
information
about
other
BladeCenter
components,
see
the
BladeCenter
Type
8677
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
,
product-specific
documentation,
and
other
related
documentation.
For
the
latest
editions
of
the
IBM
BladeCenter
documentation,
go
to
http://www.ibm.com/pc/support/
on
the
World
Wide
Web.
See
for
additional
information.
Important:
If
you
cannot
access
the
CD-ROM
drive
on
the
BladeCenter
unit,
contact
a
service
support
representative
for
assistance.
Diagnostic
tools
overview
The
following
tools
are
available
to
help
you
identify
and
solve
hardware-related
problems:
v
Power-on
self-test
(POST)
firmware
checkpoints
and
error
codes
The
firmware
checkpoints
are
progress
codes
that
your
blade
server
displays
during
POST.
See
for
more
information.
v
Firmware
error
codes
and
location
codes
For
detailed
descriptions
of
the
firmware
error
codes,
see
Some
firmware
error
codes
also
include
location
codes.
The
location
code
information
is
required
to
identify
the
failing
component.
Check
the
system
error
logs
and
event
logs
to
determine
the
location
code
information
that
corresponds
to
the
firmware
error
code.
v
Troubleshooting
charts
These
charts
list
problem
symptoms
and
steps
to
correct
the
problems.
See
the
for
more
information.
v
Light
path
diagnostics
Use
light
path
diagnostics
to
diagnose
system
errors.
See
for
more
information.
©
Copyright
IBM
Corp.
2004
57
Summary of Contents for eServer BladeCenter JS20 Type 8842
Page 3: ...BladeCenter JS20 Type 8842 Installation and User s Guide ERserver...
Page 8: ...vi BladeCenter JS20 Type 8842 Installation and User s Guide...
Page 28: ...12 BladeCenter JS20 Type 8842 Installation and User s Guide...
Page 72: ...56 BladeCenter JS20 Type 8842 Installation and User s Guide...
Page 114: ...98 BladeCenter JS20 Type 8842 Installation and User s Guide...
Page 136: ...120 BladeCenter JS20 Type 8842 Installation and User s Guide...
Page 149: ......
Page 150: ...Part Number 25K8416 Printed in USA 1P P N 25K8416...