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Table
42
describes
the
storage
server
indicator
lights.
Table
42.
DS4500
storage
server
indicator
lights
Indicator
light
Color
Normal
operation
Problem
indicator
Possible
conditions
suggested
by
the
problem
indicator
1
Power
Green
On
Off
v
No
power
to
DS4500
storage
server
v
No
power
to
storage
subsystem
v
Cables
are
loose
or
the
switches
are
off
v
Power
supply
failed,
is
missing,
or
is
not
fully
seated
in
DS4500
storage
server
v
Overtemperature
condition
Power
supply
fault
Amber
Off
On
v
Power
supply
failed
or
if
the
Power
supply
is
turned
off,
disconnected,
or
not
fully
seated
in
DS4500
storage
server
v
Overtemperature
v
No
power
to
DS4500
storage
server
or
storage
subsystem
(all
indicator
lights
are
off)
Storage
server
fan
fault
Amber
Off
On
v
Storage
server
fan
failed
v
Fan
and
communications
module
is
missing,
unplugged,
or
failed
v
Circuitry
failure
v
Overtemperature
condition
Controller
fault
Amber
Off
On
Controller
failed;
one
or
more
memory
modules
failed
(SIMMs
or
DIMMs)
Fast
write
cache
Green
Steady
or
blinking
2
Software
dependent
1
Normal
operation
is
off
if:
v
Cache
is
not
enabled
v
Battery
is
not
ready
1
Always
use
the
storage
management
software
to
identify
the
failure.
2
The
fast
write
cache
indicator
light
is
on
when
there
is
data
in
the
cache
and
it
blinks
during
a
fast
write
operation.
TotalStorage
Power
Green light indicates power is on.
Normal status: On
Problem status: Off
Power supply
Amber light indicates a power supply fault.
Normal status: Off
Problem status: On
Fan
Amber light indicates a fan fault.
Normal status: Off
Problem status: On
Controller
Amber light indicates a controller fault.
Normal status: Off
Problem status: On
Fast Write Cache
Green light indicates data in cache.
Figure
63.
DS4500
storage
server
indicator
lights
Chapter
11.
Type
1742
DS4500
Storage
Server
95
Содержание System Storage DS4000
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