Patents by Inventor Sanjay B. Jagad

Sanjay B. Jagad 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 system for dividing a plurality of existing volumes of storage into a plurality of virtual logical units of storage
    Patent number: 7010663
    Abstract: A method and apparatus for increasing the number of storage units. Specifically, the present invention describes a method for creating a plurality of virtual logical units (LUN) of storage from a plurality of existing volumes of storage for access by a plurality of host applications via a virtualization layer. The virtual LUNs are created by partitioning the existing volumes into a plurality of slices. Each of the plurality of slices is then mapped to the plurality of virtual LUNs. Furthermore, each of the plurality of virtual LUNs is masked to each of the plurality of host applications to provide access control. The plurality of host applications are transparently interfaced to the existing volume while preserving the original configuration of internal operating code or intelligence for interfacing with the plurality of existing volumes.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: March 7, 2006
    Assignee: Sun Microsystems, Inc.
    Inventors: Elizabeth George, Sanjay B. Jagad, Chung-De Li
  • Method and system for dividing a plurality of existing volumes of storage into a plurality of virtual logical units of storage
    Publication number: 20030182501
    Abstract: A method and apparatus for increasing the number of storage units. Specifically, the present invention describes a method for creating a plurality of virtual logical units (LUN) of storage from a plurality of existing volumes of storage for access by a plurality of host applications via a virtualization layer. The virtual LUNs are created by partitioning the existing volumes into a plurality of slices. Each of the plurality of slices is then mapped to the plurality of virtual LUNs. Furthermore, each of the plurality of virtual LUNs is masked to each of the plurality of host applications to provide access control. The plurality of host applications are transparently interfaced to the existing volume while preserving the original configuration of internal operating code or intelligence for interfacing with the plurality of existing volumes.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventors: Elizabeth George, Sanjay B. Jagad, Chung-De Li