FILE MANAGEMENT DEVICE, NETWORK SYSTEM, FILE MANAGEMENT METHOD AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To realize an inexpensive storage management system adaptable even to the increase of data quantity during an operation without any increase of a backup time. SOLUTION: This file management device for virtually managing a storage system constituted by combining a plurality of types of storage media whose physical characteristics are different as a single storage is provided with: a hierarchy management part (a) for performing the unitary management of the storage region of each storage medium configuring the storage system by logical hierarchy division for each project; and a movement managing part (b) for moving a project file from the high order division to low order division of the hierarchy division according to movement conditions predetermined for each project. COPYRIGHT: (C)2006,JPO&NCIPI