| 摘要 |
PROBLEM TO BE SOLVED: To solve that cached data on a relay device cannot be reflected on a storage and cannot be restored when a failure concerning the relay device occurs.SOLUTION: A relay part system includes: a first relay device which receives a request to a storage device from an external device, stores the request in a first cache inside, outputs the request to the storage device, and outputs the content of the first cache by a migration instruction; a second relay device which receives the content of the first cache via direct physical connection from the first relay device by the migration instruction, stores the content in a second cache inside, executes the request to the storage device, and takes over a session; and a management device which outputs the migration instruction to the first relay device, and the second relay device when a failure is detected. |
