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    SECURE COMMAND MEMORY BUFFER TRANSFERS IN A LOW TRUST ENVIRONMENT
    13.
    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
    14.
    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.

    Maintaining real-time cache coherency during distributed computational functions
    15.
    发明授权
    Maintaining real-time cache coherency during distributed computational functions 有权

    公开(公告)号：US11809323B1

    公开(公告)日：2023-11-07

    申请号：US17846388

    申请日：2022-06-22

    Applicant: Seagate Technology LLC

    Inventor： Marc Timothy Jones ,  David Jerome Allen ,  Steven Williams ,  Jason Matthew Feist

    IPC: G06F12/0815 ,  G06F12/0817

    CPC classification number: G06F12/0828 ,  G06F12/0815 ,  G06F2212/621

    Abstract: Apparatus and method for maintaining real-time coherency between a local cache of a target device and a client cache of a source device during execution of a distributed computational function. In some embodiments, a source device, such as a host computer, is coupled via a network interface to a target device, such as a data storage device. A storage compute function (SCF) command is transferred from the source device to the target device. A local cache of the target device accumulates output data during the execution of an associated SCF over an execution time interval. Real-time coherency is maintained between the contents of the local cache and a client cache of the source device, so that the client cache retains continuously updated copies of the contents of the local cache during execution of the SCF. The coherency can be carried out on a time-based granularity or an operational granularity.

    Secure command memory buffer transfers in a low trust environment
    16.
    发明授权
    Secure command memory buffer transfers in a low trust environment 有权

    公开(公告)号：US12260117B2

    公开(公告)日：2025-03-25

    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: G06F3/00 ,  G06F3/06

    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.

    Custom initialization in a distributed data storage system
    19.
    发明授权
    Custom initialization in a distributed data storage system 有权

    公开(公告)号：US11966629B2

    公开(公告)日：2024-04-23

    申请号：US17847509

    申请日：2022-06-23

    Applicant: Seagate Technology LLC

    Inventor： Hemant Vitthalrao Mane ,  Jason Matthew Feist ,  Praveen Viraraghavan ,  Robert W. Dixon ,  Marc Timothy Jones ,  Steven Williams

    IPC: G06F3/06

    CPC classification number: G06F3/0655 ,  G06F3/0604 ,  G06F3/067

    Abstract: A distributed data storage system can be configured with a host connected to a first device and an initialization module that performs a default initialization procedure on the first device in response to detecting the first device has an unknown manufacturing origin. Conducting the default initialization procedure may allow the first device to service data access requests from the host. In response to the connection of a second device to the host and initialization module, a manufacturing origin of the second device is identified with the initialization module before the initialization module customizes the default initialization procedure to a custom procedure that is executed to allow the second device to satisfy a background operation prescribed by the initialization module.

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