Galaxy A16F-R2431 Installation and Hardware Reference Manual
4-10
Status-indicating LEDs
Figure 4-5: LEDs on the Controller Module
4.4.4.1 Controller Status LEDs
The controller status LEDs are numbered from 1 to 6 and are located on the
controller’s rear-facing faceplate. The definitions are shown in
Table 4-4
.
LED
Name
Color
Status
1
Ctrl
Status
Green/
Amber
GREEN
indicates that the controller is
active and operating normally.
AMBER
indicates the controller is being
initialized or has failed. The controller is
not ready.
2 C_Dirty
Amber
ON
indicates that data is currently cached
in memory or is supported by the BBU
during a power loss.
3 Temp.
Amber
ON
indicates that one of the preset
temperature thresholds is violated.
4
BBU
Link
Green
ON
indicates BBU is present.
5 Hst
Bsy
Green
FLASHING
indicates there is
active
traffic through the host ports.
OFF
indicates there is no activity on the
host ports.
6 Drv
Bsy
Green
FLASHING
indicates there is
active
traffic on the drive channels.
OFF
indicates there is no activity on the
drive channels.
Table 4-4: Controller Status LED Definitions
