IBM System Storage DS4000, Руководство по техническому обслуживанию аппаратной части, Страница: 111 / 184

Table 35. DS4400 storage server indicator lights (continued)
Indicator light Color
Normal
operation
Problem
indicator
Possible conditions suggested by the
problem indicator
1
Storage server
fan fault
Amber Off On
v
Storage server fan failed.
v Fan and communications module is missing,
unplugged, or failed.
v
Circuitry failure
v
Overtemperature condition
Controller fault Amber Off On Controller failed; one or more memory
modules failed (SIMMs or DIMMs).
Fast write
cache
Green Steady or
blinking
2
Software
dependent
1
Normal operation is off if:
v
Cache is not enabled
v
Battery is not ready
1
Always use the storage management software to identify the failure.
2
The fast write cache indicator light is on when there is data in the cache and it blinks during a fast write operation.
RAID controller indicator lights
Each RAID controller has ten indicator lights: one power, one fault, and eight
status lights, as shown in Figure 57.
Note: To view the RAID controller indicator lights, remove the DS4400 storage
server bezel.
Table 36 on page 84 describes the RAID controller indicator lights.
Fault-B
Amber light indicates
controller fault.
Normal status: Off
Problem status: On
Power
Green light indicates that
power is on.
Normal status: On
Problem status: Off
Heartbeat
Green light indicates that the
controller is working.
Normal status: On (blinking)
Problem status: On
Status
(8 lights including the Heartbeat)
Green lights indicate controller
status.
Controller status
indicator lights
Reset switch
Figure 57. DS4400 storage server RAID controller indicator lights
Chapter 10. Type 1742 DS4400 Storage Server
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