Chapter 3: Subsystem Monitoring
Status-indicating LEDs
3-5
LED Name
Color
Status
Drive Busy
Blue
FLASHING
indicates there is
read/write activity on the drive.
OFF
indicates there is no read/write
activity on the drive.
Power Status
Green/ Red
GREEN
indicates that a drive is
installed in the drive tray
RED
indicates that there is a drive
failure.
Table 3-3: Drive Tray LED Definitions
3.2.4 Controller
Module
LEDs
The rear panel of the controller module is shown in
Figure 3-3
below. The
LED definitions are shown in
Table 3-4
and
Table 3-5
below.
Figure 3-3: Controller Module Rear Panel
LED
Name
Color
Status
1 Ctrl
Status
Green/
Amber
GREEN
indicates that the controller is
active and operating normally.
AMBER
indicates the controller is
under initialization process or failed.
The controller is not operating.
2 C_Dirty
Amber
ON
indicates that data is currently
being cached in memory or is being
held up by the BBU during a system
power loss.
3 Temp.
Amber
ON
indicates that the controller
temperature is above or below the
preset threshold.
