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Chapter
14.
IBM
Storage
Area
Network
Data
Gateway
Router
(2108-R03)
Note:
The
PD
maps
found
in
the
IBM
TotalStorage
DS4000
Problem
Determination
Guide
provide
you
with
additional
diagnostic
aids.
Service
Aids
The
SAN
Data
Gateway
(SDG)
Router
service
capabilities
include
the
following:
v
LED
indicators
v
Power-on–self-test
(POST)
v
Health
Check
v
Event
Log
v
Service
Port
commands
v
Diagnostics
LED
indicators
Shown
in
Figure
71,
the
LEDs
on
the
front
panel
provide
a
visual
indication
of
the
status
and
activity
of
the
SDG
and
its
interfaces.
The
LEDs
are
refreshed
automatically
about
5
times
per
second.
Table
52
describes
the
SDG
Router
LED
indicators.
Table
52.
SDG
Router
LED
indicators
LEDs
(G=Green)
(A=Amber)
Function
On
Off
Flash
SAN
Connection
Activity
(G)
Link
traffic
SAN
interface
activity
Status
(G)
Link
status
Link
Active
No
transmission
(Link
down)
SCSI
(G)
Activity
(1
and
2)
SCSI
Activity
SCSI
traffic
No
SCSI
traffic
SCSI
Interface
activity
ETHERNET
Link
(G)
Status
Link
active
Link
down
Transmit
(G)
Status
Transmission
in
progress
SAN Connection
Status
Activity
1
2
SCSI Channels
Ethernet
Links Transmit Collision
Ready
Power
Warning
Alarm
Temperature
2108-R03 Storage Area Network Data Gateway Router
Activity
Status
Figure
71.
SDG
Router
front
panel
LEDs
©
Copyright
IBM
Corp.
2004
119
Summary of Contents for System Storage DS4000
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