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Checking
the
LEDs
The
LEDs
display
the
status
of
the
storage
server
and
components.
Green
LEDs
indicate
a
normal
operating
status;
amber
LEDs
indicate
a
possible
failure.
It
is
important
to
check
all
the
LEDs
on
the
front
and
back
of
the
storage
server
when
you
turn
on
the
power.
In
addition
to
checking
for
faults,
you
can
use
the
LEDs
on
the
front
of
the
storage
server
to
determine
if
the
drives
are
responding
to
I/O
transmissions
from
the
host.
For
information
about
the
LEDs
on
the
front
of
the
storage
server,
see:
v
Figure
50
v
Table
30
For
information
about
the
LEDs
on
the
back
of
the
storage
server,
see:
v
Figure
52
on
page
74
v
Table
31
on
page
72
v
Table
32
on
page
74
Table
30.
DS4300
storage
server
LEDs
(front)
LED
Color
Operating
states
1
Drive
active
Green
v
On
-
Normal
operation
v
Flashing
-
The
drive
is
reading
or
writing
data.
v
Flashing
every
5
seconds
-
The
drive
has
not
spun
up.
v
Off
-
One
of
the
following
situations
has
occurred:
–
The
storage
server
has
no
power.
–
The
drive
is
not
properly
seated
in
the
storage
server.
Drive
fault
Amber
v
Off
-
Normal
operation
v
Flashing
-
The
storage
management
software
is
locating
a
drive,
logical
drive,
or
storage
subsystem.
v
On
-
The
drive
failed,
or
a
user
failed
the
drive.
Drive activity LED
Drive fault LED
Power-on LED
General-system-
error LED
Locator LED
Figure
50.
DS4300
storage
server
LEDs
(front)
Chapter
9.
Type
1722
DS4300
Storage
Server
71
Summary of Contents for System Storage DS4000
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