Patent ID: 7216148
Filing Date: 2007-05-08
Classification: G06F

Abstract:
1. A storage system comprising: a plurality of disk drive units; a disk controller for accepting a first access request from a first computer through a block I/O interface, and for controlling access to said disk drive units through said block I/O interface, wherein said first computer is a storage area network (SAN) client; a file server for accepting a second access request from a second computer through a file I/O interface, and for controlling access to said disk drive units through said file I/O interface, wherein said second computer is a network-attached storage (NAS) client; a connection unit connected among said disk controller, said file server and said plurality of disk drive units for connecting said disk controller and said file server to said plurality of disk drive units; and a management unit connected to said disk controller and said file server by a network, wherein said management unit sends the first information to said disk controller and sends the second information to said file server via the network, wherein said disk controller comprises a memory for storing a first information indicating one or more of said plurality of disk drive units to which said disk controller is permitted to access and said disk controller accesses the one or more of said plurality of disk drive units based on said first information; wherein said file server comprises a memory for storing a second information indicating one or more of said plurality of disk drive units to which said file server is permitted to access and said file server accesses the one or more of said plurality of disk drive units based on said second information; wherein said first and second information includes address information and capacity information of said plurality of disk drive units; and wherein said management unit checks whether said disk controller and said file server exist before sending the first and second information.