IBM 17011RS Maintenance Manual - Page 44

symbol, label, Problem, Indicator, Action, Attention, personnel

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Table 8. Symptom-to-FRU index for FC-SCSI RAID controller LEDs (continued) LED symbol or label Problem Indicator Action Amber Cache Dirty LED is lit. 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. The Cache Dirty LED will go on and off at varying rates and durations during normal operation. No action is required when this LED goes on. If the Cache Dirty LED lit solidly, it indicates an improper controller shutdown during the controller initialization. Restart the controller from ServeRAID Manager to flush the cache. The Cache Dirty LED will turn off before the Controller Ready LED turns on and the server logins start. System DIMM! Cache DIMM! ETH0 Link Amber XScale (Processor) DIMM Fault LED is lit. Attention: Do not turn off power to the enclosure or remove the controller from the enclosure when the Cache Dirty LED is illuminated. Doing so could cause loss of any data in the cache that is not mirrored. Note: This is not a FRU. Replace the controller (p/n 13N1859). When this LED is lit, it indicates that the XScale memory has failed. This is the result of one the following conditions: v Cannot read the DIMM configuration data v Nonrecoverable ECC failure Amber Cache DIMM Fault LED is lit. 1. Replace the DIMM 256MB DIMM (p/n 73P4026). When this LED is lit, it indicates that the 2. If the DIMM replacement does not fix the cache memory has failed. This is based problem, replace the controller (p/n 13N1859). on one of the following conditions: v Cannot read the DIMM configuration data v Nonrecoverable ECC failure Amber Controller Not Ready LED is lit. This LED might be lit because the controller did not finish POST. Contact your IBM support When this LED is lit, it indicates that the representative to attempt to recover the controller. controller is not ready. IBM personnel only: Refer to the DS300 and DS400 Problem Determination Guide. Green GbE Link Status LED is off. If this LED is off, perform the following actions: When this LED is lit, it indicates that the v Check the status on the Ethernet switch. Gb Ethernet link is operational. v Replace the Ethernet cable. v Switch the Ethernet cable to another port on the same switch in the same network segment. If these actions fail to light the Green GbE link status LED, refer to the DS300 and DS400 Problem Determination Guide. 30 IBM TotalStorage DS300 and DS400: Hardware Maintenance Manual

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Table
8.
Symptom-to-FRU
index
for
FC-SCSI
RAID
controller
LEDs
(continued)
LED
symbol
or
label
Problem
Indicator
Action
Amber
Cache
Dirty
LED
is
lit.
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.
The
Cache
Dirty
LED
will
go
on
and
off
at
varying
rates
and
durations
during
normal
operation.
No
action
is
required
when
this
LED
goes
on.
If
the
Cache
Dirty
LED
lit
solidly,
it
indicates
an
improper
controller
shutdown
during
the
controller
initialization.
Restart
the
controller
from
ServeRAID
Manager
to
flush
the
cache.
The
Cache
Dirty
LED
will
turn
off
before
the
Controller
Ready
LED
turns
on
and
the
server
logins
start.
Attention:
Do
not
turn
off
power
to
the
enclosure
or
remove
the
controller
from
the
enclosure
when
the
Cache
Dirty
LED
is
illuminated.
Doing
so
could
cause
loss
of
any
data
in
the
cache
that
is
not
mirrored.
Note:
This
is
not
a
FRU.
System
DIMM!
Amber
XScale
(Processor)
DIMM
Fault
LED
is
lit.
When
this
LED
is
lit,
it
indicates
that
the
XScale
memory
has
failed.
This
is
the
result
of
one
the
following
conditions:
v
Cannot
read
the
DIMM
configuration
data
v
Nonrecoverable
ECC
failure
Replace
the
controller
(p/n
13N1859).
Cache
DIMM!
Amber
Cache
DIMM
Fault
LED
is
lit.
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
1.
Replace
the
DIMM
256MB
DIMM
(p/n
73P4026).
2.
If
the
DIMM
replacement
does
not
fix
the
problem,
replace
the
controller
(p/n
13N1859).
Amber
Controller
Not
Ready
LED
is
lit.
When
this
LED
is
lit,
it
indicates
that
the
controller
is
not
ready.
This
LED
might
be
lit
because
the
controller
did
not
finish
POST.
Contact
your
IBM
support
representative
to
attempt
to
recover
the
controller.
IBM
personnel
only:
Refer
to
the
DS300
and
DS400
Problem
Determination
Guide
.
ETH0
Link
Green
GbE
Link
Status
LED
is
off.
When
this
LED
is
lit,
it
indicates
that
the
Gb
Ethernet
link
is
operational.
If
this
LED
is
off,
perform
the
following
actions:
v
Check
the
status
on
the
Ethernet
switch.
v
Replace
the
Ethernet
cable.
v
Switch
the
Ethernet
cable
to
another
port
on
the
same
switch
in
the
same
network
segment.
If
these
actions
fail
to
light
the
Green
GbE
link
status
LED,
refer
to
the
DS300
and
DS400
Problem
Determination
Guide
.
30
IBM
TotalStorage
DS300
and
DS400:
Hardware
Maintenance
Manual