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    Dynamic allocation of segments in a flash storage system
    11.
    发明授权
    Dynamic allocation of segments in a flash storage system 有权

    公开(公告)号：US10191662B2

    公开(公告)日：2019-01-29

    申请号：US15419900

    申请日：2017-01-30

    Applicant: Pure Storage, Inc.

    Inventor： Timothy W. Brennan ,  Nidhi Pankaj Doshi ,  Xiaohui Wang

    IPC: G06F3/06

    Abstract: Apparatus and methods of operating solid-state drives in a storage system are described. A method includes adjusting, by a host controller of a storage system during run-time, storage bandwidth for a storage system process responsive to an input output (I/O) write request to write data to the storage system that includes multiple solid-state storage drives by determining an allocation share for the storage system process requesting to write the data, and responsive to determining an open segment usage by the storage system process is under the allocation share for the storage system process, opening a new segment for the storage system process.

    Managing storage device evacuation
    12.
    发明授权
    Managing storage device evacuation 有权

    公开(公告)号：US11112990B1

    公开(公告)日：2021-09-07

    申请号：US16736486

    申请日：2020-01-07

    Applicant: Pure Storage, Inc.

    Inventor： Andrew Bernat ,  John Colgrove ,  Taher Vohra ,  Andrew Kleinerman ,  Xiaohui Wang ,  Benjamin Scholbrock

    IPC: G06F12/00 ,  G06F3/06 ,  G11C11/4096 ,  G11C11/4074

    Abstract: Managing storage device evacuation that includes a plurality of storage devices, including: detecting, by the storage system, an occurrence of a storage device evacuation event associated with a source storage device within a write group, wherein the write group is a subset of storage devices storing a data set; responsive to detecting the occurrence of the storage device evacuation event, identifying, by the storage system, a target storage device for receiving data stored on the source storage device; and migrating, by the storage system, the data stored on the source storage device to the target storage device.

    Dynamic segment allocation for write requests by a storage system
    13.
    发明授权
    Dynamic segment allocation for write requests by a storage system 有权

    公开(公告)号：US11029853B2

    公开(公告)日：2021-06-08

    申请号：US16222863

    申请日：2018-12-17

    Applicant: PURE STORAGE, INC.

    Inventor： Timothy W. Brennan ,  Nidhi Pankaj Doshi ,  Xiaohui Wang

    IPC: G06F3/06

    Abstract: Apparatus and methods of operating solid-state drives in a storage system are described. A method includes adjusting, by a host controller of a storage system during run-time, storage bandwidth for a storage system process responsive to an input output (I/O) write request to write data to the storage system that includes multiple solid-state storage drives by determining an allocation share for the storage system process requesting to write the data, and responsive to determining an open segment usage by the storage system process is under the allocation share for the storage system process, opening a new segment for the storage system process.

    PARALLEL SEGMENT WRITER
    16.
    发明申请
    PARALLEL SEGMENT WRITER 审中-公开

    公开(公告)号：US20180095662A1

    公开(公告)日：2018-04-05

    申请号：US15419900

    申请日：2017-01-30

    Applicant: Pure Storage, Inc.

    Inventor： Timothy W. Brennan ,  Nidhi Pankaj Doshi ,  Xiaohui Wang

    IPC: G06F3/06

    CPC classification number: G06F3/061 ,  G06F3/0631 ,  G06F3/0655 ,  G06F3/0688

    Abstract: Apparatus and methods of operating solid-state drives in a storage system are described. A method includes adjusting, by a host controller of a storage system during run-time, storage bandwidth for a storage system process responsive to an input output (I/O) write request to write data to the storage system that includes multiple solid-state storage drives by determining an allocation share for the storage system process requesting to write the data, and responsive to determining an open segment usage by the storage system process is under the allocation share for the storage system process, opening a new segment for the storage system process.

    Drive rebuild
    18.
    发明授权
    Drive rebuild 有权
    驱动重建

    公开(公告)号：US09588842B1

    公开(公告)日：2017-03-07

    申请号：US14567960

    申请日：2014-12-11

    Applicant: PURE Storage, Inc.

    Inventor： Marco Sanvido ,  Richard Hankins ,  Naveen Neelakantam ,  Xiaohui Wang ,  Mark McAuliffe ,  Taher Vohra

    IPC: G06F11/00 ,  G06F11/10

    CPC classification number: G06F11/108 ,  G06F11/1088 ,  G06F11/1092

    Abstract: A system and method for efficiently distributing data among multiple storage devices. A data storage array receives read and write requests from multiple client computers. The data storage array includes multiple storage devices, each with multiple allocation units (AUs). A storage controller within the data storage array determines a RAID layout for use in storing data. In response to determining a failure of a first AU, the storage controller begins reconstructing in a second AU the data stored in the first AU. For read and write requests targeting data in the first AU, the request is serviced by the first AU responsive to determining no error occurs when accessing the first AU.

    Abstract translation: 一种用于在多个存储设备之间高效地分发数据的系统和方法。 数据存储阵列接收来自多个客户端计算机的读取和写入请求。 数据存储阵列包括多个存储设备，每个存储设备具有多个分配单元（AU）。 数据存储阵列中的存储控制器确定用于存储数据的RAID布局。 响应于确定第一AU的故障，存储控制器开始在第二AU中重建存储在第一AU中的数据。 对于针对第一AU中的数据的读取和写入请求，响应于确定在访问第一AU时不发生错误，该请求由第一AU服务。

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