Patents by Inventor Shoufu Du

Shoufu Du has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Distributed file system and data block consistency managing method thereof
    Patent number: 8285689
    Abstract: A distributed file system and a data block consistency managing method thereof are disclosed. The method comprises: a file location register generates the values of the counters corresponding to CHUNKs and the values of the counters are simultaneously stored in file access servers and a file location register; when writing data into a CHUNK, a file access client writes data into both the main and standby file access servers and revises the values of counters of CHUNKs in the file access servers into which data is written normally; the file location register takes the CHUNK whose counter has the maximal value as the normal and valid one according to the corresponding values of the counters of corresponding CHUNK reported by the main and standby file access servers.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: October 9, 2012
    Assignee: ZTE Corporation
    Inventors: Shoufu Du, Ruifeng Wang, Jian Cheng
  • Distributed File System and Data Block Consistency Managing Method Thereof
    Publication number: 20110161302
    Abstract: A distributed file system and a data block consistency managing method thereof are disclosed. The method comprises: a file location register generates the values of the counters corresponding to CHUNKs and the values of the counters are simultaneously stored in file access servers and a file location register; when writing data into a CHUNK, a file access client writes data into both the main and standby file access servers and revises the values of counters of CHUNKs in the file access servers into which data is written normally; the file location register takes the CHUNK whose counter has the maximal value as the normal and valid one according to the corresponding values of the counters of corresponding CHUNK reported by the main and standby file access servers.
    Type: Application
    Filed: July 30, 2009
    Publication date: June 30, 2011
    Applicant: ZTE CORPORATION
    Inventors: Shoufu Du, Ruifeng Wang, Jian Cheng