Patent ID: 7260613
Filing Date: 2007-08-21
Classification: H04L

Abstract:
1. A disk control cluster, comprising: one or a plurality of channel interface units for interfacing with host computers; one or a plurality of disk interface units for interfacing with disk drives; local shared memory units for storing data to be read out of or written to said disk drives and control information about transfer of said data and management information of said disk drives; and first connection portion for connecting to said channel interface unit and disk interface unit and said local shared memory unit, wherein said channel interface unit transfers data between said host computers and said interface and said local shared memory to read/write request of data from said host computers; said disk interface unit reads out of or writes data by transferring data between said disk unit and said local shared memory; and said first connection portion has a path for connecting to second connection portion connected to global shared memory which stores said management information of said each disk control cluster.