Product
serial
number
The
node
contains
a
SAN
Volume
Controller
product
serial
number
that
is
imbedded
on
the
system
board
hardware.
This
number
is
used
for
warranty
and
service
entitlement
checking
and
is
included
in
the
data
sent
with
error
reports.
It
is
essential
that
this
number
is
not
changed
during
the
life
of
the
product.
If
the
system
board
is
replaced,
you
must
follow
the
system
board
replacement
instructions
carefully
and
rewrite
the
serial
number
on
the
system
board.
SAN
Volume
Controller
2145-8G4
operator
information
panel
The
operator
information
panel
contains
indicators
and
buttons
for
the
SAN
Volume
Controller
2145-8G4.
shows
the
operator
information
panel
for
the
SAN
Volume
Controller
2145-8G4.
1
Release
latch
for
light
path
diagnostics
panel
2
System-error
LED
(amber)
3
System-information
LED
(amber)
4
Location
LED
(blue)
5
Hard
disk
drive
activity
LED
(green)
6
Power
LED
(green)
7
Power-control
button
Release
latch
The
release
latch
gives
you
access
to
the
light
path
diagnostics
panel,
which
provides
a
preliminary
method
of
determining
the
location
of
a
problem.
After
pressing
the
release
latch
on
the
information
panel,
you
can
slide
the
light
path
diagnostics
panel
out
to
view
the
lit
LEDs.
The
LEDs
indicate
the
type
of
error
that
has
occurred.
See
“MAP
5800:
Light
path”
in
the
IBM
System
Storage
SAN
Volume
Controller:
Service
Guide
for
more
detail.
To
retract
the
panel,
push
it
back
into
the
node
and
snap
it
into
place.
System-error
LED
When
it
is
lit,
the
system-error
LED
indicates
that
a
system-board
error
has
occurred.
This
amber
LED
lights
up
if
the
SAN
Volume
Controller
hardware
detects
a
fatal
error
that
requires
a
new
field
replaceable
unit
(FRU).
1
2
3
4
5
6
7
svc00215
Figure
2.
SAN
Volume
Controller
2145-8G4
operator
information
panel
8
IBM
System
Storage
SAN
Volume
Controller:
Hardware
Installation
Guide
Summary of Contents for 2145UPS-1U
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