Patent ID: 7167949

Claim:
A storage system comprising: a plurality of storage units; and a control apparatus coupled to the plurality of storage units or a central processing unit, wherein the control apparatus includes: a plurality of processor sections coupled to the plurality of storage units or the central processing unit, a plurality of selectors which are coupled to the plurality of processor sections and each of which has a plurality of buffers, and a plurality of memories coupled to the plurality of selectors, wherein each of the plurality of memories has a first region for storing data to be stored in the plurality of storage units and a second region for storing control information for controlling the storage system, wherein each of the plurality of selectors, when receiving an access request for accessing to the second region from one of the plurality of processor sections, stores the data once into a corresponding one of the plurality of buffers thereof and sends the data thus stored to the one of the plurality of processor sections, and wherein the plurality of buffers of each of the plurality of selectors are provided in one to one correspondence with the plurality of memories.