Patents Examined by Daniel Vo
  • Storage system
    Patent number: 7162576
    Abstract: It is an object to achieve higher performance of input/output processing in a storage system. In a disk controller of a storage system having disk devices and a disk controller that controls input/output of data to/from the disk devices and that accepts requests from a superordinate device, there are provided a memory, a superordinate IF and a subordinate IF (1201), for the exclusive use of each MPU.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: January 9, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Yoichi Mizuno, Naoto Matsunami, Akira Nishimoto