A storage system connected to a terminal, the computer system includes: a plurality of drive devices that respectively drive a plurality of physical disks each having a physical storage area; a RAID configuration unit that configures a plurality of RAID groups by grouping two or more of the plurality...http://www.google.fr/patents/US7539817?utm_source=gb-gplus-shareBrevet US7539817 - Storage system and capacity allocation method therefor
Storage system and capacity allocation method therefor