Chapter 3 Subsystem Monitoring
LED Name
Color
Status
PWR
Blue
ON
indicates that power is being supplied to the
subsystem.
OFF
indicates that no power is being supplied to the
subsystem or the subsystem/RAID controller has failed.
BUSY
White
ON
indicates that there is active traffic on the host/drive
channels.
OFF
indicates that there are no activities on the host/drive
channels.
ATTEN
Red
ON
indicates that a component failure/status event has
occurred.
OFF
indicates that the subsystem and all its components
are operating correctly.
Table 3-4: LCD Panel LED Definitions
NOTE:
During the power up process, the LCD panel ATTEN LED will be turned on. If the
subsystem boots up correctly, then the ATTEN LED will be turned off after the boot
up procedure is complete.
3.2.5 Drive Tray LEDs
The drive trays come with two (2) status-indicating LEDs, one that indicates power
and the other that indicates hard drive activities. The LEDs are shown in
Figure 3-4
and their definitions in
Table 3-5
.
Figure 3-4: Drive Tray LEDs
Status-indicating LEDs
3-5
