A first storage device control device stores, when a first data write/read request is received, correspondences between first logical units and second logical units referenced when determining whether or not storage regions identified by first logical units set in the request are storage regions of the...http://www.google.de/patents/US20050160222?utm_source=gb-gplus-sharePatent US20050160222 - Storage device control device, storage system, recording medium in which a program is stored, information processing device and storage system control method
