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    Lossless namespace metadata management system
    31.
    发明授权
    Lossless namespace metadata management system 有权

    公开(公告)号：US11899952B2

    公开(公告)日：2024-02-13

    申请号：US17515021

    申请日：2021-10-29

    Applicant: Seagate Technology LLC

    Inventor： Ryan James Goss ,  David W. Claude ,  Daniel J. Benjamin ,  Thomas V. Spencer ,  Matthew B. Lovell

    IPC: G06F3/06

    CPC classification number: G06F3/0634 ,  G06F3/0613 ,  G06F3/0617 ,  G06F3/0653 ,  G06F3/0659 ,  G06F3/0679

    Abstract: A system can log data access activity to a memory array with a metadata module while the memory array is logically divided into multiple namespaces. A workload can be determined for each namespace by the metadata module and a metadata strategy can be created with the metadata module in view of the respective namespace workloads. A first metadata and second metadata may be generated for respective first and second user-generated data for storage into a first namespace of the multiple namespaces. The first metadata can be compressed with a compression level prescribed by the metadata strategy in response to a detected or predicted workload to the first namespace before the first metadata, second metadata, first user-generated data, and second user-generated data are each stored in the first namespace.

    Opportunistic command scheduling
    32.
    发明授权
    Opportunistic command scheduling 有权

    公开(公告)号：US11893268B2

    公开(公告)日：2024-02-06

    申请号：US17579061

    申请日：2022-01-19

    Applicant: Seagate Technology LLC

    Inventor： Brian T. Edgar ,  Mark A. Gaertner

    IPC: G06F3/06

    CPC classification number: G06F3/0655 ,  G06F3/0604 ,  G06F3/0676

    Abstract: A method includes calculating, by a data storage device processor, at least one access trajectory from a first disc surface location to at least one second disc surface location at which at least one primary data access operation is to be carried out. The method also includes determining, by the data storage device controller, whether an opportunity to commence at least one secondary data access operation exists along or proximate to the at least one access trajectory from the first disc surface location to the at least one second disc surface location.

    METHODS OF GENE ASSEMBLY USING DNAZYMES AND USE IN DNA DATA STORAGE
    33.
    发明公开
    METHODS OF GENE ASSEMBLY USING DNAZYMES AND USE IN DNA DATA STORAGE 审中-公开

    公开(公告)号：US20240035018A1

    公开(公告)日：2024-02-01

    申请号：US17816215

    申请日：2022-07-29

    Applicant: Seagate Technology LLC

    Inventor： Gemma Roselle MENDONSA ,  Walter R. EPPLER

    IPC: C12N15/10 ,  C12N15/113

    CPC classification number: C12N15/1031 ,  C12N15/113 ,  C12N2310/127 ,  C12N2330/31 ,  G11C11/54

    Abstract: Building DNA strands at a high rate that are suitable for data storage. Methods include using DNAzyme and utilizing libraries of pre-prepared oligos. A system for the DNA strand synthesis includes: a DNA symbol library comprising a number of single strand oligo symbols; a DNA linker library comprising a first set of single strand oligo linkers and a second set of single strand oligo linkers; and a DNAzyme library comprising a number of DNAzymes. An S1 end of a first DNAzyme is adapted to join the S1 end of a symbol and an S2 end of the first DNAzyme is adapted to join an S2 end of a first linker, and an S1 end of a second DNAzyme is adapted to join an S1 end of a second linker and an S2 end of the second DNAzyme is adapted to join an S2 end of the symbol.

    On demand configuration of FPGA interfaces
    34.
    发明授权
    On demand configuration of FPGA interfaces 有权

    公开(公告)号：US11880568B2

    公开(公告)日：2024-01-23

    申请号：US17564052

    申请日：2021-12-28

    Applicant: Seagate Technology LLC

    Inventor： Rajesh Maruti Bhagwat ,  Nahoosh Hemchandra Mandlik ,  Niranjan Anant Pol ,  Hemantkumar Vitthalrao Mane

    IPC: G06F3/06

    CPC classification number: G06F3/0607 ,  G06F3/0629 ,  G06F3/0659 ,  G06F3/0679

    Abstract: A dynamically reconfigurable computational storage drive (CSD) that facilitates parallel data management functionality for a plurality of associated memory devices. The CSD includes an FPGA device that is dynamically reconfigurable during operation of the CSD to provide configuration of a storage interface. Specifically, the FPGA device may be dynamically configured to provide one of a plurality of different communication protocols. A physical connector may be remapped to facilitate a communication protocol without reconnecting a memory device or CSD. The CSD may be provided as a rack-mounted device or a storage appliance for dynamic provision of data management functionality to data in a storage system comprising the CSD.

    SECURE COMMAND MEMORY BUFFER TRANSFERS IN A LOW TRUST ENVIRONMENT
    35.
    发明公开
    SECURE COMMAND MEMORY BUFFER TRANSFERS IN A LOW TRUST ENVIRONMENT 审中-公开

    公开(公告)号：US20240020050A1

    公开(公告)日：2024-01-18

    申请号：US17864900

    申请日：2022-07-14

    Applicant: Seagate Technology, LLC

    Inventor： Phillip R. Colline ,  Timothy Ted Walker ,  Steven Williams ,  Hemant Vitthalrao Mane ,  Jason Matthew Feist

    IPC: G06F3/06

    CPC classification number: G06F3/0656 ,  G06F3/0659 ,  G06F3/0622 ,  G06F3/0679

    Abstract: Apparatus and method for executing controller memory buffer (CMB) based data transfer commands in a distributed data processing environment. In some embodiments, a storage device having a device controller and a main non-volatile memory (NVM) is coupled to a client device via an interface. The client device respectively issues normal data transfer commands and bypass data transfer commands to the storage device. The normal data transfer commands include read and write commands that result in transfer of data between the NVM and the client device using a normal data path through the storage device. The bypass data transfer commands involve an allocated CMB of the storage device directly controlled and accessed by the client device. In this way, write data are directly placed into the CMB for writing to the NVM, and readback data from the NVM are directly recovered from the CMB by the client device.

    TRANSPORT BRIDGE AND PROTOCOL DEVICE FOR EFFICIENT PROCESSING IN A DATA STORAGE ENVIRONMENT
    38.
    发明公开
    TRANSPORT BRIDGE AND PROTOCOL DEVICE FOR EFFICIENT PROCESSING IN A DATA STORAGE ENVIRONMENT 审中-公开

    公开(公告)号：US20230418516A1

    公开(公告)日：2023-12-28

    申请号：US17848151

    申请日：2022-06-23

    Applicant: Seagate Technology, LLC

    Inventor： Richard O. Weiss ,  Jason Matthew Feist ,  Steven Williams ,  Hemant Vitthalrao Mane

    IPC: G06F3/06

    CPC classification number: G06F3/0659 ,  G06F3/0656 ,  G06F3/0664 ,  G06F3/0619 ,  G06F3/0689

    Abstract: Apparatus and method for servicing data transfer commands in a computer environment using a selected protocol such as NVMe (Non-Volatile Memory Express). In some embodiments, a secure connection is established between a client device and a bridge device across an interface. A controller of the bridge device presents a unitary namespace as an available memory space to the client device. The controller further communicates with a plurality of downstream target devices to allocate individual namespaces within main memory stores of each of the target devices to form a consolidated namespace to support the unitary namespace presented to the controller. In this way, the bridge device can operate as an NVMe controller with respect to the client device for the unitary namespace, and as a virtual client device to each of the target devices which operate as embedded NVMe controllers for the individual namespaces.

    Ordering reads to limit collisions in a non-volatile memory (NVM)
    40.
    发明授权
    Ordering reads to limit collisions in a non-volatile memory (NVM) 有权

    公开(公告)号：US11822817B2

    公开(公告)日：2023-11-21

    申请号：US17443554

    申请日：2021-07-27

    Applicant: Seagate Technology LLC

    Inventor： Christopher Smith

    IPC: G06F3/06 ,  G06F12/0875 ,  G06F12/0804

    CPC classification number: G06F3/0659 ,  G06F3/0611 ,  G06F3/0679 ,  G06F12/0804 ,  G06F12/0875 ,  G06F2212/1024 ,  G06F2212/2022

    Abstract: Method and apparatus for managing data in a storage device, such as a solid-state drive (SSD). In some embodiments, a data storage device includes a main non-volatile memory (NVM), a host command queue that lists pending host read and host write commands, and a write cache which temporarily stores write data sets pending transfer to the NVM responsive to execution of the associated host write commands in the host command queue. A collision prediction circuit predicts a rate of future collisions involving the cached write data sets. A storage manager directs storage of the write data sets to a first target location responsive to the rate of future collisions being at a first level, and directs storage of the write data sets to a different, second target location responsive to the rate of future collisions being at a different, second level.

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