Patents by Inventor Luogeng Dai

Luogeng Dai 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).

  • Recovering file system blocks of file systems
    Patent number: 9003227
    Abstract: A method is used in recovering file system blocks of file systems. A first read error is encountered upon reading a file system block of a file system. The file system block includes a first set of chunks. A second read error is encountered upon reading a duplicate copy of the file system block. The duplicate copy of the file system block includes a second set of chunks. Each chunk of the first and second sets of chunks is evaluated. Based on the evaluation, the file system block is recovered.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: April 7, 2015
    Assignee: EMC Corporation
    Inventors: Dixitkumar Vishnubhai Patel, Srinivasa Rao Vempati, Jean-Pierre Bono, Luogeng Dai