Initial SPARC T3-2 servers shipped with system firmware that set the power supply fan speed at a level that did not adequately cool the power supplies and front drives. Updating the system firmware to version 8.0.1.e (or to the latest firmware version) will set the fan speed to the correct level.
To display the firmware version of your system, type the following command at the Oracle ILOM prompt (->):
-> show /HOST sysfw_version /HOST Properties: sysfw_version = Sun System Firmware 8.0.1.e date time
Caution - If the system's firmware revision is less than 8.0.1.e, you must download and install the latest version of the system firmware patch. See Updating the System Firmware for downloading instructions.