Patents by Inventor Denis Hall

Denis Hall 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).

  • Program for monitoring update activity in a data storage facility
    Patent number: 7516168
    Abstract: A method and apparatus for monitoring update activity, particularly in the form of write requests, to a data storage facility, over at least one cycle to identify any write operation or update that occurs to that data storage facility on a track-by-track basis. At the end of each cycle a list of changed tracks is stored in a data set. After information has been accumulated by a collector application, a reporter application manipulates the data to obtain information concerning the track changes and to estimate communication path requirements.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: April 7, 2009
    Assignee: EMC Corporation
    Inventors: Douglas E. LeCrone, Daniel A. Murphy, Denis Hall
  • Method and apparatus for monitoring update activity in a data storage facility
    Publication number: 20040128326
    Abstract: A method and apparatus for monitoring update activity, particularly in the form of write requests, to a data storage facility, over at least one cycle to identify any write operation or update that occurs to that data storage facility on a track-by-track basis. At the end of each cycle a list of changed tracks is stored in a data set. After information has been accumulated by a collector application, a reporter application manipulates the data to obtain information concerning the track changes and to estimate communication path requirements.
    Type: Application
    Filed: October 23, 2003
    Publication date: July 1, 2004
    Inventors: Douglas E. LeCrone, Daniel A. Murphy, Denis Hall
  • Method and apparatus for monitoring update activity in a data storage facility
    Patent number: 6662197
    Abstract: A method and apparatus for monitoring update activity, particularly in the form of write requests, to a data storage facility, over at least one cycle to identify any write operation or update that occurs to that data storage facility on a track-by-track basis. At the end of each cycle a list of changed tracks is stored in a data set. After information has been accumulated by a collector application, a reporter application manipulates the data to obtain information concerning the track changes and to estimate communication path requirements.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: December 9, 2003
    Assignee: EMC Corporation
    Inventors: Douglas E. LeCrone, Daniel A. Murphy, Denis Hall