Raid, Controller, Leds – IBM Partner Pavilion DS4100 User Manual
Page 105: Table

Table
13.
RAID
controller
LEDs
Icon
LED
Color
Operating
states
1
Fault
Amber
v
Off
-
Normal
operation.
v
On
-
One
of
the
following
situations
has
occurred:
–
The
RAID
controller
has
failed.
–
The
RAID
controller
was
placed
offline
–
The
controller
battery
had
failed
(in
conjunction
with
the
battery
LED
in
off
state).
Host
loop
Green
v
On
-
Normal
operation.
v
Off
-
One
of
the
following
situations
has
occurred:
–
The
host
loop
is
down,
not
turned
on,
or
not
connected.
–
A
SFP
has
failed,
or
the
host
port
is
not
occupied.
–
The
RAID
controller
circuitry
has
failed,
or
the
RAID
controller
has
no
power.
Cache
active
Green
v
On
-
There
is
data
in
the
RAID
controller
cache.
v
Off
-
One
of
the
following
situations
has
occurred:
–
There
is
no
data
in
cache.
–
There
are
no
cache
options
selected
for
this
array.
–
The
cache
memory
has
failed,
or
the
battery
has
failed.
+
Battery
Green
v
On
-
Normal
operation.
v
Flashing
-
The
battery
is
recharging
or
performing
a
self-test.
v
Off
-
The
battery
or
battery
charger
has
failed.
Controller
fault
Expansion
by-pass
Expansion
10BT
2Gb/s
2Gb/s
10101
100BT
Battery
charging
Expansion link indicator
Cache
active
10BT
100BT
Host 1
Host 1
indicator
Host 2
indicator
Host 2
+
2Gbps
f10ug025
Figure
58.
RAID
controller
LEDs
Chapter
4.
Operating
the
storage
server
73