Chapter 4: Subsystem Operation and Monitoring
- Battery voltage is lower than 2.5V.
-
Battery temperature reading is
abnormal (out of the 0 to 45°C
range).
- Battery is not present.
OFF
indicates that the cache is clean,
and that the battery backup unit is
capable of sustaining memory in case
of power loss.
This signal is local to each controller.
3 Temp.
Amber
ON
indicates that the detected
CPU/board/chassis temperature has
exceeded the high temperature
threshold.
OFF
indicates that the detected
temperature reading is within the
preset safe range.
4
BBU
Link
Green
ON
indicates BBU is present.
5 Hst
Bsy
Green
Rapidly Blinking
indicates there is
traffic on the host bus.
6 Drv
Bsy
Green
Rapidly Blinking
indicates there is
traffic on the drive channels.
Table 4-3: Controller Status LED Definitions
4.4.3.2 Fibre
Port
LEDs
Each controller module houses two (2) 4G FC host ports. Each of
these Fibre ports has two (2) LEDs (see
Figure 4-7 & 4-8
),
displaying the operating statuses.
1 Link
Green
ON
indicates there the FC port is
connected to a FC node or
networking device.
OFF
indicates no valid link.
2 Speed
Green/
Amber
GREEN
indicates link speed at
4Gbps.
AMBER
indicates link speed at
2Gbps.
Table 4-4: FC Port LED Definitions
4-11
