Patents by Inventor Dallt Tzafrir

Dallt Tzafrir 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, system, and program for managing information on relationships between target volumes and source volumes when performing adding, withdrawing, and disaster recovery operations for the relationships
    Publication number: 20040260870
    Abstract: Provided are a method, system, and program for managing a relationship between one target volume and one source volume. Information is maintained in memory on an existing relationship between at least one source volume and at least one target volume, comprising: (i) at least one element, wherein each element represents a range of sequential data units in the volume; (ii) at least one relationship entry, wherein each relationship entry represents one relationship; and (iii) at least one element pointer associating one element with one relationship entry, wherein the data units represented by the element are part of the relationship represented by the relationship entry that the pointer associates with the element. A new relationship between at least one target volume and at least one source volume is added.
    Type: Application
    Filed: June 17, 2003
    Publication date: December 23, 2004
    Applicant: International Business Machines Corporation
    Inventors: Michael E. Factor, Amiram Hayardeny, Thomas Charles Jarvis, Gail Andrea Spear, William Frank Micka, Sivan Tal, Dallt Tzafrir, Rivka Mayraz Matosevich, Sheli Rahav, Ifat Nuriel, Shachar Fienblit, Svetlana Shukevich