code: public function getStatisticsRaidVolumePortProperties($unit,$volume,$port){
  			return json_decode(self::getClient()->getStatisticsRaidVolumePortProperties($this->getDomain(),$unit,$volume,$port));
  		}
docs: Get Raid Volume Ports Properties
  Ajout by @Thibautg16 le 01/06/2014
  
  @throws Exception\ServerException
  @throws \Ovh\Common\Exception\BadMethodCallException
  
  @return Array