Dell Data Domain DD6300 Manual page 10

Steps
1. The SP fault LED, at the upper left rear of the chassis, is lit amber if there is a fan failure.
2. Use the alerts show current (or alerts show current-detailed) command that will include messages
indicating fan loss or fan failure.
# alerts show current
Alert Id Alert Time
-------- ----------------
51 Tue May 17 22:15:34 2016
fault is detected
-------- ----------------
There is 1 active alert.
3. Use the enclosure show fans command to check the status of each fan. Record the failed fan.
# enclosure show fans 1
Enclosure Description
--------- -----------
1 FAN 0A
FAN 0B
FAN 1A
FAN 1B
FAN 2A
FAN 2B
FAN 3A
FAN 3B
FAN 4A
FAN 4B
FAN 5A
FAN 5B
--------- -----------
10 Field Replaceable Units
Description
------------------------------------
WARNING HardwareFailure Enclosure=1:Fan=4 Fan
------------------------------------
Level Status
------ ------
medium OK
medium OK
medium OK
medium OK
medium OK
medium OK
medium OK
medium OK
medium Unavailable
medium OK
medium OK
medium OK
------ ------