Patents by Inventor Harold Sandstrom

Harold Sandstrom 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).

  • Method and apparatus for managing target devices in a multi-path computer system
    Patent number: 6629189
    Abstract: A method and apparatus for managing at least one logical volume in a computer system that includes a processor, a storage system, and a plurality of paths coupling the processor to the storage system. The storage system stores a plurality of logical volumes that includes the at least one logical volume, and the at least one logical volume is accessible to the processor over at least two paths. The processor includes a mapping layer that assigns the logical volumes to store particular volumes of data. At least two distinct native names are created for the at least one logical volume, each native name corresponding to one of the paths over which the logical volume is accessible to the processor. A pseudoname is created for the distinct native names, and represents the at least one logical volume in a manner that is independent of the paths over which the logical volume is accessible to the processor.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: September 30, 2003
    Assignee: EMC Corporation
    Inventors: Harold Sandstrom, Khang Can