Control method with management server apparatus for storage device and air conditioner and storage system

A storage system comprising a management server apparatus, a plurality of storage devices having a plurality of storage units coupled to said management server apparatus to provide a logical volume and making up a plurality of RAID (Redundant Arrays of Inexpensive Disks) groups, and an air conditioner coupled to said management server apparatus, comprising:

• said management server apparatus calculates plural combinations of allocating the work amount to said plurality of storage devices;
• said management server apparatus calculates the heating value of each storage device included in said plurality of storage devices for each of said plural combinations;
• said management server apparatus calculates the distribution factor of said heating value of said plurality of storage devices to said air conditioner, based on said heating value and positional information of said plurality of storage devices and said air conditioner for each of said plural combinations, and calculates the quantity of heat conducted to said air conditioner from said heating value and said distribution factor;
• said management server apparatus calculates the power consumption to cool said quantity of heat conducted to said air conditioner for each of said plural combinations;
• said management server apparatus selects a combination included in said plural combinations based on said power consumption of said air conditioner;
• and
• said management server apparatus issues a move instruction of moving the data stored in a first storage device to decrease the work amount to a second storage device to increase the work amount to said plurality of storage devices based on said selected combination;
• wherein said plurality of storage devices move the data from said first storage device to said second storage device in accordance with said move instruction.