Patent ID: 6779083
Filing Date: 2004-08-17
Classification: G06F,H04L

Abstract:
A storage system adapted to be coupled to a plurality of host computers comprising:a plurality of storage devices which store data from said host computers, wherein said storage devices have a plurality of storage regions; a plurality of logical units including said storage regions; a storage control device controlling read/write of data to said logical units; a host-hostgroup conversion table which sets a corresponding relation between an identifier of a host computer and an identifier of a host group including said host computer, wherein said host-hostgroup conversion table is used to search for an identifier of a host group including said host computer based on said identifier of said host computer; and a Logical Unit Number (LUN) access management table which sets a corresponding relation between said identifier of said host group and logical units allocated to said identifier of said host group, wherein said LUN access management table is used to search for logical units allocated to said identifier of said host group based on said identifier of said host group.