Table
36.
DS4400
storage
server
RAID
controller
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
storage
subsystem
v
Cables
are
loose
or
the
switches
are
off
v
Power
supply
failed,
is
missing,
or
is
not
fully
seated
v
Overtemperature
condition
Fault3
Amber
Off
On
Controller
failure;
controller
fault
condition
Heartbeat
Green
Blinking
Not
blinking
No
controller
activity
Status3
(seven
lights,
not
including
Heartbeat)
Green
Various
patterns
depending
on
the
condition
2
Various
patterns
depending
on
the
condition
2
If
any
status
indicator
lights
are
lit
and
the
controller
is
not
offline,
there
is
a
memory
fault
that
indicates
that
the
controller
CRU
failed.
1
Always
use
the
storage
management
software
to
identify
the
failure.
2
There
are
eight
status
lights
(the
Heartbeat
and
seven
others)
that
glow
in
various
patterns,
depending
on
the
controller
status.
3
If
the
controller
is
offline,
all
of
the
indicator
lights
will
be
lit.
This
does
not
indicate
failure.
Battery
indicator
lights
The
battery
has
four
indicator
lights
as
shown
in
Figure
58.
Note:
To
view
the
battery
indicator
lights,
remove
the
DS4400
storage
server
bezel.
Table
37
on
page
85
describes
the
battery
indicator
lights.
Fault-B
Amber light indicates a fault in
the left battery bank.
Normal status: Off
Problem status: On
Fault-A
Amber light indicates a fault in
the left battery bank.
Normal status: Off
Problem status: On
Full Charge-B
Green light indicates the left
battery bank is fully charged.
Normal status: On
Problem status: Off
Changing status: Blinking
Full Charge-A
Green light indicates the right
battery bank is fully charged.
Normal status: On
Problem status: Off
Changing status: Blinking
Figure
58.
DS4400
storage
server
battery
indicator
lights
84
IBM
TotalStorage
DS4000:
Hardware
Maintenance
Manual
Summary of Contents for System Storage DS4000
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