Battery Indicator Lights; Raid Controller Indicator Lights - IBM TotalStorage DS4500 User Manual

Table 11. RAID controller indicator lights
Indicator light Color
Power Green
3
Fault Amber
Heartbeat Green
3
Status (seven Green
lights not
including
Heartbeat)
1
Always use the storage-management software to identify the failure.
and seven others) the seven others are lit in various patterns, depending on the controller status.
offline, all of the indicator lights will be lit. This does not indicate failure.

Battery indicator lights

The battery has four indicator lights, as shown in Figure 26.
Note: To view the battery indicator lights, remove the DS4500 Storage Server
Figure 26. Battery indicator lights
Table 12 on page 31 describes the battery indicator lights.
30
IBM TotalStorage DS4500 Fibre Channel Storage Server: User's Guide
Normal Problem
operation indicator
On Off
Off On
Blinking Not blinking
All indicator lights Various patterns
are off except the depending on
2
heartbeat the condition
bezel, as shown in Figure 21 on page 21.
Possible conditions indicated by the
1
problem indicator
v There is no power to the storage subsystem.
v The cables are loose or the switches are off.
v The power supply has failed, is missing, or
is not fully seated.
v The temperature of the DS4500 Storage
Server is too high.
Controller failure
No controller activity
If any status indicator lights are lit and the
controller is not offline, there is a memory fault
2
indicating that the controller CRU has failed.
2
There are eight indicator lights (the Heartbeat
3
If the controller is