Patents by Inventor Douglas W. Rauenzahn

Douglas W. Rauenzahn 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 a failover procedure with a storage system
    Patent number: 7644318
    Abstract: A method includes receiving a first command for accessing a tape storage system, the first command containing an indicator that the first command was issued as a result of a failover from a first path to the storage system to a second path to the tape storage system. The method further includes determining whether the first command is a repeat of a second command already received by the tape storage system. The first command is processed based on determining whether the first command is a repeat of the second command.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: January 5, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jeffrey Dicorpo, Stanley S. Feather, Douglas W. Rauenzahn