A storage system managing data through a wide area network

摘要

In a storage system, a server apparatus (120) and a storage apparatus (250) are provided, while the server apparatus (120) is connected via a LAN to one, or plural sets of computers (110) so as to accept an access request of file data issued from the computers (110), whereas the storage apparatus (250) is connected via a wide area network (30) to the server apparatus (120) so as to store thereinto the file data. A communication between the computers (110) and the server apparatus (120) is carried out by employing a network file protocol, whereas a communication between the server apparatus (120) and the storage apparatus is performed by employing a block device protocol. The server apparatus (120) and the storage apparatus (250) are connected via the respective security protecting apparatus (130) to the wide area network (30).