Chapter
2.
Diagnostics
and
troubleshooting
This
chapter
provides
basic
troubleshooting
information
to
help
you
solve
some
common
problems
that
might
occur
while
setting
up
your
blade
server.
A
problem
with
the
BladeCenter
QS20
can
relate
to
either
the
BladeCenter
QS20
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
IBM
BladeCenter
(Type
8677)
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
.
Note:
–
The
BladeCenter
QS20
is
supported
in
the
8677
BladeCenter
chassis
only.
–
You
can
only
have
BladeCenter
QS20
blades
in
a
chassis,
you
cannot
put
other
blade
server
types
in
the
same
chassis
as
a
BladeCenter
QS20.
If
you
install
the
blade
server
in
the
BladeCenter
unit
and
the
blade
server
does
not
start,
perform
the
following
actions:
v
Make
sure
that
the
BladeCenter
unit
is
correctly
connected
to
a
power
source.
v
Reseat
the
blade
server
in
the
BladeCenter
unit.
v
If
the
power-on
LED
is
flashing
slowly,
turn
on
the
blade
server
(see
v
If
you
have
just
added
a
new
optional
device
or
component,
make
sure
that
it
is
correctly
installed
and
compatible
with
the
blade
server
and
its
components.
If
the
device
or
component
is
not
compatible,
remove
it
from
the
blade
server,
reinstall
the
blade
server
in
the
BladeCenter
unit,
and
then
restart
the
blade
server.
Finding
troubleshooting
information
describes
where
to
find
troubleshooting
information
in
this
section.
Note:
CPU,
Ram,
Processor,
power
supplies
cannot
be
exchanged
in
the
field.
The
only
replaceable
parts
are
the
hard
disk
drive,
hard
disk
drive
controller,
battery,
front
bezel
assembly
and
InfiniBand
card
(optional).
Table
2.
Where
to
find
troubleshooting
information
Component
Where
to
find
information
Hard
disk
drive
Hard
disk
drive
controller
Front
bezel
InfiniBand
card
Battery
Memory
©
Copyright
IBM
Corp.
2006
9
Summary of Contents for BladeCenter QS20
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