Storage network system

摘要

In a storage network system, a Frame relay device (30) contains a cache memory (35) for storing read data read from a storage device (10). The storage apparatus, when receiving a read request from a host machine, carries out processing of sending the data to the Frame relay device with addition of instructions for storing the data therein and when the read request is made to the same data again, processing of instructing the Frame relay device to send the data to a specified host machine. The Frame relay device carries out processing of sending the data stored in itself to the specified host machine.