v
Diagnostic
utilities
for
the
Linux
and
AIX
operating
systems
Diagnostic
utilities
for
the
Linux
operating
system
are
available
from
IBM.
For
more
information,
go
to
http://www.ibm.com/servers/eservers/support/
bladecenter/;
in
the
Hardware
field
select
BladeCenter
JS20
,
in
the
Software
field
select
Linux
on
POWER
environment
,
then
click
Go
.
A
diagnostic
CD
for
the
AIX
operating
system
is
available
from
IBM.
Go
to
http://techsupport.services.ibm.com/server/mdownload/diags/download
to
download
the
CD
image.
See
the
BladeCenter
JS20
Type
8842
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
for
instructions
on
using
the
utilities.
Other
supported
operating
systems
might
have
diagnostic
tools
available
through
the
operating
system.
Consult
your
operating
system
documentation
for
more
information.
Notes:
v
For
additional
information
about
firmware
error
codes,
location
codes,
error
logs,
event
logs,
and
firmware
checkpoints,
see
the
BladeCenter
JS20
Type
8842
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
.
v
If
you
are
unable
to
find
the
system
error
logs
in
the
blade-server
firmware
code,
view
the
system
event
logs
in
the
BladeCenter
management
module.
v
Before
you
have
the
blade
server
serviced,
make
sure
that
you
provide
a
Serial
Over
LAN
(SOL)
connection
to
the
blade
server.
To
do
this,
you
must
configure
the
SOL
feature
on
the
blade
server
and
start
an
SOL
session
as
described
in
the
IBM
BladeCenter
and
BladeCenter
T
Serial
Over
LAN
Setup
Guide
.
System
checkout
If
your
system
fails
to
start
after
installation
or
an
error
occurs
while
running,
perform
the
following
steps:
1.
Visually
check
the
blade
server
system
board
for
any
lit
external
LEDs.
a.
Turn
off
the
server.
b.
Remove
the
blade
server
from
the
BladeCenter
unit.
c.
Open
the
blade
server
and
press
and
hold
the
light
path
diagnostics
button.
See
“Light
path
diagnostics
table”
on
page
81
for
the
location
of
the
light
path
diagnostics
button.
d.
Perform
the
steps
in
“Identifying
problems
using
the
light
path
diagnostics”
on
page
80
to
identify
lit
error
LEDs
on
the
blade
server.
1)
If
any
LEDs
light,
see
“Light
path
diagnostics
table”
on
page
81.
2)
If
there
is
no
error
LED
lit,
proceed
to
the
next
step.
2.
Reinstall
the
blade
server
in
the
same
bay
of
the
BladeCenter
unit.
3.
To
test
the
blade
server,
turn
on
the
blade
server
and
start
an
SOL
session
(see
the
IBM
BladeCenter
and
BladeCenter
T
Serial
Over
LAN
Setup
Guide
).
4.
Observe
the
progress
codes
in
the
SOL
window
and
record
any
POST
error
messages
or
system
checkpoint
codes
that
occur.
If
an
error
occurs,
see
“Firmware
error
codes”
on
page
65
for
more
information.
5.
Review
the
BladeCenter
management-module
event
log
and
Linux
Syslog
to
see
if
an
error
was
recorded.
If
there
is
a
hardware
error,
contact
a
service
support
representative
and
provide
the
details
of
the
problem.
If
there
is
no
hardware
error,
contact
a
service
support
representative
for
more
information
to
resolve
your
problem.
48
BladeCenter
JS20
Type
8842:
Installation
and
User’s
Guide
Summary of Contents for BladeCenter JS20
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