1461132084-b738c0b4-3860-4bb2-8d05-4a36529198d3

A disk drive is disclosed comprising a disk including a plurality of servo tracks, wherein each servo track comprises a plurality of servo sectors. Instructions are provided to create a user profile based on the information collected. The invention further concerns a method for implementing a defined phase shift. The temperature map facilitates optimization of the evaporator core temperature by the controller.