STORAGE SYSTEM, DATA REBALANCING PROGRAM AND DATA REBALANCING METHOD

摘要

This storage system includes: a plurality of storage devices for storing data; cache memory for retaining data; an access control unit which, if there is an access request for reading specific data or writing specific data from an information processing terminal, performs access to any of the storage devices and stores the data to the cache memory; and a write unit which writes the data that has been stored to the cache memory to any of the storage devices to which the data has not been stored among the plurality of storage devices.