Patents by Inventor Simon Latimer BENHAM

Simon Latimer BENHAM 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).

  • Data storage system, process and computer program for such data storage system for reducing read and write amplifications
    Patent number: 10852959
    Abstract: The present disclosure relates to a data storage system, and processes and computer programs for such data storage system, for example including processing of: managing one or more metadata tree structures for storing data to one or more storage devices of the data storage system in units of blocks, each metadata tree structure including a root node pointing directly and/or indirectly to blocks, and a leaf tree level having one or more direct nodes pointing to blocks, and optionally including one or more intermediate tree levels having one or more indirect nodes pointing to indirect nodes and/or direct nodes of the respective metadata tree structure; maintaining the root node and/or nodes of at least one tree level of each of at least one metadata structure in a cache memory; and managing I/O access to data based on the one or more metadata structures, including obtaining the root node and/or nodes of the at least one tree level of the metadata structure maintained in the cache memory from the cache memory an
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: December 1, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Mitsuo Hayasaka, Christopher James Aston, Jonathan Mark Smith, Yuko Matsui, Simon Latimer Benham, Trevor Edward Willis
  • DATA STORAGE SYSTEM, PROCESS AND COMPUTER PROGRAM FOR SUCH DATA STORAGE SYSTEM FOR REDUCING READ AND WRITE AMPLIFICATIONS
    Publication number: 20180285002
    Abstract: The present disclosure relates to a data storage system, and processes and computer programs for such data storage system, for example including processing of: managing one or more metadata tree structures for storing data to one or more storage devices of the data storage system in units of blocks, each metadata tree structure including a root node pointing directly and/or indirectly to blocks, and a leaf tree level having one or more direct nodes pointing to blocks, and optionally including one or more intermediate tree levels having one or more indirect nodes pointing to indirect nodes and/or direct nodes of the respective metadata tree structure; maintaining the root node and/or nodes of at least one tree level of each of at least one metadata structure in a cache memory; and managing I/O access to data based on the one or more metadata structures, including obtaining the root node and/or nodes of the at least one tree level of the metadata structure maintained in the cache memory from the cache memory an
    Type: Application
    Filed: June 6, 2018
    Publication date: October 4, 2018
    Inventors: Mitsuo HAYASAKA, Christopher James ASTON, Jonathan Mark SMITH, Yuko MATSUI, Simon Latimer BENHAM, Trevor Edward WILLIS
  • Data storage system, process and computer program for such data storage system for reducing read and write amplifications
    Patent number: 9996286
    Abstract: The present disclosure relates to a data storage system, and processes and computer programs for such data storage system, for example including processing of: managing one or more metadata tree structures for storing data to one or more storage devices of the data storage system in units of blocks, each metadata tree structure including a root node pointing directly and/or indirectly to blocks, and a leaf tree level having one or more direct nodes pointing to blocks, and optionally including one or more intermediate tree levels having one or more indirect nodes pointing to indirect nodes and/or direct nodes of the respective metadata tree structure; maintaining the root node and/or nodes of at least one tree level of each of at least one metadata structure in a cache memory; and managing I/O access to data based on the one or more metadata structures.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 12, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Mitsuo Hayasaka, Christopher James Aston, Jonathan Mark Smith, Yuko Matsui, Simon Latimer Benham, Trevor Edward Willis
  • DATA STORAGE SYSTEM, PROCESS AND COMPUTER PROGRAM FOR SUCH DATA STORAGE SYSTEM FOR REDUCING READ AND WRITE AMPLIFICATIONS
    Publication number: 20170329541
    Abstract: The present disclosure relates to a data storage system, and processes and computer programs for such data storage system, for example including processing of: managing one or more metadata tree structures for storing data to one or more storage devices of the data storage system in units of blocks, each metadata tree structure including a root node pointing directly and/or indirectly to blocks, and a leaf tree level having one or more direct nodes pointing to blocks, and optionally including one or more intermediate tree levels having one or more indirect nodes pointing to indirect nodes and/or direct nodes of the respective metadata tree structure; maintaining the root node and/or nodes of at least one tree level of each of at least one metadata structure in a cache memory; and managing I/O access to data based on the one or more metadata structures.
    Type: Application
    Filed: December 9, 2016
    Publication date: November 16, 2017
    Inventors: Mitsuo HAYASAKA, Christopher James ASTON, Jonathan Mark SMITH, Yuko MATSUI, Simon Latimer BENHAM, Trevor Edward WILLIS