Patents by Inventor Tim Shaffer

Tim Shaffer 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).

  • Deduplication in multiple-tiered storage systems
    Patent number: 11874801
    Abstract: A method includes receiving a piece of data at an upper-layer server of a multi-tiered storage system comprising the upper-layer server and a block server, and determining a signature for the piece of data. A first bloom filter stored on the upper-layer server is a copy of a second bloom filter stored on the block server. The first bloom filter is checked for the signature. When a match is found in the first bloom filter, the piece of data is sent for storage at the block server, and it is verified at the block server whether a match is present for the piece of data. When a match is present, the piece of data is deduplicated. When a match is not present, the piece of data is stored. When a match is not found in the first bloom filter, the piece of data is stored in the block server.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: January 16, 2024
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: John Michael Bent, Praveen Viraraghavan, Tim Shaffer
  • DEDUPLICATION IN MULTIPLE-TIERED STORAGE SYSTEMS
    Publication number: 20230259494
    Abstract: A method includes receiving a piece of data at an upper-layer server of a multi-tiered storage system comprising the upper-layer server and a block server, and determining a signature for the piece of data. A first bloom filter stored on the upper-layer server is a copy of a second bloom filter stored on the block server. The first bloom filter is checked for the signature. When a match is found in the first bloom filter, the piece of data is sent for storage at the block server, and it is verified at the block server whether a match is present for the piece of data. When a match is present, the piece of data is deduplicated. When a match is not present, the piece of data is stored. When a match is not found in the first bloom filter, the piece of data is stored in the block server.
    Type: Application
    Filed: February 14, 2022
    Publication date: August 17, 2023
    Inventors: John Michael Bent, Praveen Viraraghavan, Tim Shaffer