Model 98H: Leds, Controls, And Connectors Of Controllers With Two Standard Fibre Channel Host Expansion Channels And Two Optional Iscsi Host Expansion Channels - IBM DS3950 Installation, User's, And Maintenance Manual

Figure 69. Model 98H: LEDs, controls, and connectors of controllers with two standard Fibre
Channel host expansion channels and two optional iSCSI host expansion channels
Table 17. Rear controller LEDs, controls, and connectors
LED
Service Action Allowed (OK
to Remove)
Service Action Required
(Fault)
Cache Active
Diagnostic
Heartbeat
Host Channel Speed - L1
Host Channel Speed - L2
Link Speed (Model 98H only) On - 1 Gbps
106
IBM System Storage DS3950 Storage Subsystem: Installation, User's, and Maintenance Guide
Service
action
allowed
LED
Host channel Host channel
speed - L1 LED speed - L2 LED
Normal Status
Off
Off
On - Data is in cache
Off - Caching is turned off.
No data in cache
On - Seven-segment LEDs
indicate diagnostic code
Off - Seven-segment LEDs
indicate enclosure ID
flashing
See Table 18 on page 107.
See Table 18 on page 107.
Off - 100 Mbps
Diagnostic
LED
Service
Cache
action
active
required
LED
LED
Drive channel
Link Link
speed LED
speed activity
LED LED Drive channel
port bypass LED
Problem Status
On
On
Not applicable
Not applicable
Off
Not applicable
Heartbeat
LED
Ethernet link
activity LED
Ethernet link
speed LED