ochchara adu specs thiyena server ekaka nam deluge try karala na,hard eka check karala balapan read/write speed eka
hdparm -tT /dev/sdx (sdx eka replace karapan disk letter eken,disk letter eka balaganna puluwan fdisk -l use karala)
hdparm command eka not found kiyala awoth hdparm eka install...