IBM Netfinity FASt T500, Справочник пользователя

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18 IBM Netfinity FAStT500 RAID Controller Enclosure Unit User’s Reference
The indicator lights on the back of the controller unit are shown in Figure 10 and are
described in Table 3 .
Figure 10. Controller unit indicator lights — back view
Component: battery
Fault-A or
Fault-B Amber Off On
•
Left or right battery bank has failed
•
Battery is either discharged or defective
Full Charge-A
or
Full Charge-B Green On
4
Off
•
Left or right battery bank is not fully charged
•
Power has been off for an extended period and
has drained battery power
•
Batteries are weak
1
Always use the storage-management software to identify the failure.
2
There are eight status lights (the Heartbeat and seven others) that glow in various patterns, depending
on the controller status.
3
The fast write cache indicator light is on when there is data in cache and blinks during a fast write
operation.
4
If either Full Charge-A or Full Charge-B indicator light blink, the battery is in the process of charging.
Table 2: Indicator lights (front)
Indicator
light
Color
Normal
operation
Problem
indicator
Possible conditions indicated by the
problem indicator
1
Fan and communications
module fault
Power supply fault
Power supply fault