Chapter 14. Ibm Storage Area Network Data Gateway Router (2108-R03); Service Aids; Led Indicators; Sdg Router Front Panel Leds - IBM TotalStorage DS4000 Hardware Maintenance Manual

Chapter 14. IBM Storage Area Network Data Gateway Router
(2108-R03)
Note: The PD maps found in the IBM TotalStorage DS4000 Problem Determination

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.
Figure 71. SDG Router front panel LEDs
Table 52 describes the SDG Router LED indicators.
© Copyright IBM Corp. 2004
Guide provide you with additional diagnostic aids.
SAN Connection SCSI Channels
Activity
Activity
Status
1
2108-R03 Storage Area Network Data Gateway Router
Table 52. SDG Router LED indicators
LEDs (G=Green)
(A=Amber) Function
SAN
Connection
Activity (G) Link traffic
Status (G) Link status
SCSI (G)
Activity (1 and 2) SCSI Activity
ETHERNET
Link (G) Status
Transmit (G) Status
Ethernet
2 Links Transmit Collision
On
Link Active
SCSI traffic
Link active
Transmission in
progress
Status Ready
Temperature Power
Warning Alarm
Off Flash
SAN interface
activity
No transmission
(Link down)
No SCSI traffic SCSI Interface
activity
Link down
119