You can view the cooling details on the Cooling page in the Oracle ILOM web interface.
This output is from the SPARC M7-8 server with two PDomains. A SPARC M8-8 or SPARC M7-8 server with one PDomain has similar output.
-> show /System/Cooling /System/Cooling Targets: Fans Properties: health = OK health_details = - installed_chassis_fans = 16 max_chassis_fans = 16 installed_power_supply_fans = 12 max_power_supply_fans = 12 inlet_temp = 24 degrees C exhaust_temp = 44 degrees C actual_power_consumption = 253 watts ... ->
This output is from the SPARC M7-16 server.
-> show /System/Cooling /System/Cooling Targets: Fans Properties: health = OK health_details = - installed_chassis_fans = 104 max_chassis_fans = 104 installed_power_supply_fans = 32 max_power_supply_fans = 32 inlet_temp = 20 degrees C exhaust_temp = 42 degrees C actual_power_consumption = 358 watts ... ->