Drive Slot N Led; Fan Fault Led N; Power Fault N Led - Sun Microsystems StorEdge D2 Array Best Practices Manual

5.3.2

Drive Slot n LED

A multifunction LED is associated with each of the 12 array drive slots (
This table lists the colors it turns and the conditions indicated.
TABLE 5-1
Color/s
green
flashing green
blinking
amber/green
amber
5.3.3

Fan Fault LED n

If a fan's rotation RPM is less than the Fan Low Trip Point value specified in the
Factory Defaults, it is faulted. In this case, the Fan Fault (
Fault LEDs are set to amber.
Each Sun StorEdge D2 fan CRU contains two fans and two fan fault LEDs. The
Subsystem Fault LED is also turned on if one of the fans is not installed. When either
fan in the fan CRU is faulty, a READ ENCLOSURE STATUS command returns a
"Fan is malfunctioning" status for the associated fan CRU.
5.3.4

Power Fault n LED

The Power Fault LED (
malfunctioning. In addition, the Subsystem Fault LED turns on if either of the two
power supplies is turned off or malfunctioning. The Subsystem Fault LED is not
turned on if one of the power supplies is not installed. When a power supply is
faulty, a READ ENCLOSURE STATUS command returns a "Power Supply is
malfunctioning" status for the associated power supply.
5-4 Sun StorEdge D2 Array Best Practices Guide • January 2002
Drive Slot Multifunction LED Colors and Indicated Conditions
Condition/s
Drive is ready
Drive is active
Slot is identifying itself as a result of the Identify Slot flag (byte 2, bit
2) being set through the PREPARE SLOT OPERATION command.
Drive is faulted if its Device Faulty Flag (byte 0, bit 1 of the device
Slot Status) is set to 1 by the initiator with a WRITE DEVICE SLOT
STATUS command. Consequently, the Drive Fault and the
Subsystem Fault LEDs are turned on. If a faulted drive is no longer
inserted, the Drive Fault and Subsystem Fault LEDs are turned off
(if there are no other error conditions).
FIGURE 5-1
) turns amber if the power supply is turned off or
FIGURE 5-3
) and Subsystem
FIGURE 5-1
).