Patents by Inventor Daniel Perkin

Daniel Perkin 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).

  • Apparatus and method to preserve one or more logical communication paths in a data processing system
    Patent number: 7934026
    Abstract: A method to preserve a logical communication path in a data processing system, that includes a host computer, a storage controller that comprises a first logical control unit (“LCU”), and a logical communication path that is in communication with the host computer and the first LCU, comprising deleting the first LCU and setting a first status for same. The method then configures a second LCU, and establishes a second status for same, wherein the second LCU includes all or a portion of the first LCU, but is not the same as the first LCU. The deleting, setting, configuring, and establishing are performed while maintaining the logical communication path, which is in communication with the second LCU.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: April 26, 2011
    Assignee: International Business Machines Corporation
    Inventors: Juan Alonso Coronado, Roger Gregory Hathorn, Dinh Hai Le, Daniel Perkin, Aaron Eugene Taylor
  • APPARATUS AND METHOD TO PRESERVE ONE OR MORE LOGICAL COMMUNICATION PATHS IN A DATA PROCESSING SYSTEM
    Publication number: 20100070663
    Abstract: A method to preserve a logical communication path in a data processing system, that includes a host computer, a storage controller that comprises a first logical control unit (“LCU”), and a logical communication path that is in communication with the host computer and the first LCU, comprising deleting the first LCU and setting a first status for same. The method then configures a second LCU, and establishes a second status for same, wherein the second LCU includes all or a portion of the first LCU, but is not the same as the first LCU. The deleting, setting, configuring, and establishing are performed while maintaining the logical communication path, which is in communication with the second LCU.
    Type: Application
    Filed: September 17, 2008
    Publication date: March 18, 2010
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: JUAN ALONSO CORONADO, ROGER GREGORY HATHORN, Dinh Hai Le, DANIEL PERKIN, AARON EUGENE TAYLOR