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    Storage Array Controller Communication Using Multiple Channels
    4.
    发明公开
    Storage Array Controller Communication Using Multiple Channels 审中-公开

    公开(公告)号：US20230325331A1

    公开(公告)日：2023-10-12

    申请号：US18335228

    申请日：2023-06-15

    Applicant: PURE STORAGE, INC.

    Inventor： ROLAND DREIER ,  YAN LIU ,  SANDEEP MANN

    IPC: G06F13/28 ,  G06F12/02

    CPC classification number: G06F13/28 ,  G06F12/023 ,  G06F2212/254

    Abstract: Enabling multi-channel communications between controllers in a storage array, including: creating a plurality of logical communications channels between two or more storage array controllers; inserting, into a buffer utilized by a direct memory access (‘DMA’) engine of a first storage array controller, a data transfer descriptor describing data stored in memory of the first storage array controller and a location to write the data to memory of a second storage array controller; retrieving, in dependence upon the data transfer descriptor, the data stored in memory of the first storage array controller; and writing, via a predetermined logical communications channel, the data into the memory of the second storage array controller in dependence upon the data transfer descriptor.

    Copy Using Metadata Representation
    6.
    发明申请
    Copy Using Metadata Representation 有权

    公开(公告)号：US20210405930A1

    公开(公告)日：2021-12-30

    申请号：US17471607

    申请日：2021-09-10

    Applicant: PURE STORAGE, INC.

    Inventor： ROLAND DREIER ,  RACHEL SHANAVA ,  KRISHNA KANT

    IPC: G06F3/06 ,  G06F16/907 ,  G06F16/11 ,  G06F11/14

    Abstract: A virtualized copy-by-reference includes: receiving, from a first computer system, a request for reference information for source data within a source volume; providing, to the first computer system, the reference information, wherein the reference information corresponds to a metadata representation of the source data; receiving, from a second computer system, a request to write the source data to a target volume, and wherein the request to write the source data indicates the reference information; and copying, using the reference information, the metadata representation of the source data to the target volume.

    EMULATING A REMOTE DIRECT MEMORY ACCESS ('RDMA') LINK BETWEEN CONTROLLERS IN A STORAGE ARRAY
    7.
    发明申请
    EMULATING A REMOTE DIRECT MEMORY ACCESS ('RDMA') LINK BETWEEN CONTROLLERS IN A STORAGE ARRAY 有权
    在存储阵列中控制器之间的远程直接存储器访问（'RDMA'）链接

    公开(公告)号：US20170039150A1

    公开(公告)日：2017-02-09

    申请号：US14817168

    申请日：2015-08-03

    Applicant: Pure Storage, Inc.

    Inventor： ROLAND DREIER ,  YAN LIU ,  SANDEEP MANN

    IPC: G06F13/28 ,  G06F12/02

    CPC classification number: G06F13/28 ,  G06F12/023 ,  G06F2212/254

    Abstract: Emulating a remote direct memory access (‘RDMA’) link between controllers in a storage array, including: inserting, into a buffer utilized by a direct memory access (‘DMA’) engine of a first storage array controller, a data transfer descriptor describing data stored in memory of the first storage array controller and a location to write the data to memory of the second storage array controller; retrieving, in dependence upon the data transfer descriptor, the data stored in memory of the first storage array controller; and writing the data into the memory of the second storage array controller in dependence upon the data transfer descriptor.

    Abstract translation: 仿真存储阵列中的控制器之间的远程直接存储器访问（'RDMA'）链接，包括：将第一存储阵列控制器的直接存储器访问（“DMA”）引擎所使用的缓冲器插入到缓冲器中的数据传送描述符 存储在第一存储阵列控制器的存储器中的数据和将数据写入第二存储阵列控制器的存储器的位置; 根据数据传输描述符检索存储在第一存储阵列控制器的存储器中的数据; 以及根据数据传输描述符将数据写入第二存储阵列控制器的存储器。

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