SCSI
channel
3
SCSI
channel
3
can
be
connected
to
an
IBM
EXP400
Storage
Expansion
Unit.
The
following
table
lists
the
12
LEDs
on
the
Fibre
Channel
RAID
controller.
Table
5.
Fibre
Channel
RAID
controller
LEDs
LED
symbol
or
label
Description
Color
Indication
Controller
ready
Green
When
this
LED
is
lit,
it
indicates
that
the
controller
has
successfully
started
or
restarted.
Battery
fault
Amber
When
this
LED
is
lit,
it
indicates
that
the
battery
cannot
sustain
the
RAID
controller
memory
in
case
of
power
loss.
This
might
be
caused
by
any
of
the
following
conditions:
v
The
battery
is
removed.
v
There
is
a
battery-charger
circuit
failure.
v
The
battery
temperature
is
too
high.
v
The
battery
voltage
is
out
of
range.
v
The
battery
charge
current
is
out
of
range.
When
this
LED
is
off,
it
indicates
that
the
battery
can
sustain
the
RAID
controller
memory
in
case
of
a
power
loss.
Cache
dirty
Amber
When
this
LED
is
lit,
it
indicates
that
there
is
data
in
the
cache
that
has
not
been
written
to
a
disk
or
synchronized
to
the
redundant
controller
cache.
System
DIMM!
xScale
DIMM
fault
Amber
When
this
LED
is
lit,
it
indicates
that
the
XScale
memory
has
failed.
This
is
based
on
one
of
the
following
conditions:
v
Cannot
read
the
DIMM
configuration
data
v
Nonrecoverable
ECC
failure
When
this
LED
is
off,
it
indicates
that
the
XScale
memory
is
operating
normally.
Cache
DIMM!
Cache
DIMM
fault
Amber
When
this
LED
is
lit,
it
indicates
that
the
cache
memory
has
failed.
This
is
based
on
one
of
the
following
conditions:
v
Cannot
read
the
DIMM
configuration
data
v
Nonrecoverable
ECC
failure
When
this
LED
is
off,
it
indicates
that
the
cache
memory
is
operating
normally.
Controller
not
ready
Amber
When
this
LED
is
lit,
it
indicates
that
the
controller
is
not
ready.
ETH0
Link
GbE
link
status
Green
When
this
LED
is
lit,
it
indicates
that
the
Gb
Ethernet
link
is
operational.
ETH0
TX/RX
GbE
activity
Green
When
this
LED
is
lit,
it
indicates
that
data
packets
are
being
transmitted
or
received.
Chapter
4.
Storage
subsystem
controls,
LEDs,
and
power
35
Summary of Contents for TotalStorage DS300
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