Patents by Inventor Pui Fun Lau

Pui Fun Lau 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).

  • Spatial extent migration for tiered storage architecture
    Patent number: 8667245
    Abstract: Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to the spatial distance, and, in response to determining that the ratio exceeds a threshold, migrating the second extent.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: March 4, 2014
    Assignee: International Business Machines Corporation
    Inventors: Pui Fun Lau, David Montgomery, Karl A. Nielsen, Richard B. Stelmach
  • Spatial extent migration for tiered storage architecture
    Patent number: 8380958
    Abstract: Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to the spatial distance, and, in response to determining that the ratio exceeds a threshold, migrating the second extent.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: February 19, 2013
    Assignee: International Business Machines Corporation
    Inventors: Pui Fun Lau, David Montgomery, Karl A. Nielsen, Richard B. Stelmach
  • Spatial extent migration for tiered storage architecture
    Patent number: 8375186
    Abstract: Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to the spatial distance, and, in response to determining that the ratio exceeds a threshold, migrating the second extent.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: February 12, 2013
    Assignee: International Business Machines Corporation
    Inventors: Pui Fun Lau, David Montgomery, Karl A. Nielsen, Richard B. Stelmach
  • SPATIAL EXTENT MIGRATION FOR TIERED STORAGE ARCHITECTURE
    Publication number: 20120226859
    Abstract: Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to the spatial distance, and, in response to determining that the ratio exceeds a threshold, migrating the second extent.
    Type: Application
    Filed: May 11, 2012
    Publication date: September 6, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Pui Fun Lau, David Montgomery, Karl A. Nielsen, Richard B. Stelmach
  • SPATIAL EXTENT MIGRATION FOR TIERED STORAGE ARCHITECTURE
    Publication number: 20120117349
    Abstract: Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to the spatial distance, and, in response to determining that the ratio exceeds a threshold, migrating the second extent.
    Type: Application
    Filed: November 9, 2010
    Publication date: May 10, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Pui Fun Lau, David Montgomery, Karl A. Nielsen, Richard B. Stelmach