Patents by Inventor Shuyi Shao

Shuyi Shao 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).

  • Batch data deletion
    Patent number: 11922033
    Abstract: A method for distributed file deletion or truncation, performed by a storage system, is provided. The method includes determining, by an authority owning an inode of a file, which authorities own data portions to be deleted, responsive to a request for the file deletion or truncation. The method includes recording, by the authority owning the inode, the file deletion or truncation in a first memory, and deleting, in background by the authorities that own the data portions to be deleted, the data portions in one of a first memory or a second memory. A system and computer readable media are also provided.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: March 5, 2024
    Assignee: PURE STORAGE, INC.
    Inventors: Robert Lee, Igor Ostrovsky, Shuyi Shao, Peter Vajgel
  • Data Block Allocation for Storage System
    Publication number: 20230342056
    Abstract: Reading data stored at a free block of a storage device is read prior to allocating the free block for storage of data. A determination as to whether a number of bit flips of the data stored at the free block is below a threshold is made. The free block is added to a pool of active free blocks to be allocated for the storage of data upon determining that the number of bit flips of the data stored at the free block is below the threshold.
    Type: Application
    Filed: April 18, 2023
    Publication date: October 26, 2023
    Inventors: Shuyi Shao, Yuhong Mao, Peter E. Kirkpatrick
  • Inline flash memory qualification in a storage system
    Patent number: 11630593
    Abstract: Reading data stored at a free block of a storage device is read prior to allocating the free block for storage of data. A determination as to whether a number of bit flips of the data stored at the free block is below a threshold is made. The free block is added to a pool of active free blocks to be allocated for the storage of data upon determining that the number of bit flips of the data stored at the free block is below the threshold.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: April 18, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Shuyi Shao, Yuhong Mao, Peter E. Kirkpatrick
  • BATCH DATA DELETION
    Publication number: 20220357860
    Abstract: A method for distributed file deletion or truncation, performed by a storage system, is provided. The method includes determining, by an authority owning an inode of a file, which authorities own data portions to be deleted, responsive to a request for the file deletion or truncation. The method includes recording, by the authority owning the inode, the file deletion or truncation in a first memory, and deleting, in background by the authorities that own the data portions to be deleted, the data portions in one of a first memory or a second memory. A system and computer readable media are also provided.
    Type: Application
    Filed: July 14, 2022
    Publication date: November 10, 2022
    Inventors: Robert Lee, Igor Ostrovsky, Shuyi Shao, Peter Vajgel
  • INLINE FLASH MEMORY QUALIFICATION IN A STORAGE SYSTEM
    Publication number: 20220291837
    Abstract: Reading data stored at a free block of a storage device is read prior to allocating the free block for storage of data. A determination as to whether a number of bit flips of the data stored at the free block is below a threshold is made. The free block is added to a pool of active free blocks to be allocated for the storage of data upon determining that the number of bit flips of the data stored at the free block is below the threshold.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 15, 2022
    Inventors: Shuyi Shao, Yuhong Mao, Peter E. Kirkpatrick
  • Distributed file deletion and truncation
    Patent number: 11422719
    Abstract: A method for distributed file deletion or truncation, performed by a storage system, is provided. The method includes determining, by an authority owning an inode of a file, which authorities own data portions to be deleted, responsive to a request for the file deletion or truncation. The method includes recording, by the authority owning the inode, the file deletion or truncation in a first memory, and deleting, in background by the authorities that own the data portions to be deleted, the data portions in one of a first memory or a second memory. A system and computer readable media are also provided.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: August 23, 2022
    Assignee: Pure Storage, Inc.
    Inventors: Robert Lee, Igor Ostrovsky, Shuyi Shao, Peter Vajgel
  • DISTRIBUTED FILE DELETION AND TRUNCATION
    Publication number: 20180074735
    Abstract: A method for distributed file deletion or truncation, performed by a storage system, is provided. The method includes determining, by an authority owning an inode of a file, which authorities own data portions to be deleted, responsive to a request for the file deletion or truncation. The method includes recording, by the authority owning the inode, the file deletion or truncation in a first memory, and deleting, in background by the authorities that own the data portions to be deleted, the data portions in one of a first memory or a second memory. A system and computer readable media are also provided.
    Type: Application
    Filed: December 14, 2016
    Publication date: March 15, 2018
    Inventors: Robert Lee, Igor Ostrovsky, Shuyi Shao, Peter Vajgel