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    UTILIZING UNMAPPED AND UNKNOWN STATES IN A REPLICATED STORAGE SYSTEM
    21.
    发明申请
    UTILIZING UNMAPPED AND UNKNOWN STATES IN A REPLICATED STORAGE SYSTEM 有权
    在不同的存储系统中应用未知和未知状态

    公开(公告)号：US20160098199A1

    公开(公告)日：2016-04-07

    申请号：US14508683

    申请日：2014-10-07

    Applicant: PURE Storage, Inc.

    Inventor： Christopher Golden ,  John Colgrove ,  Ethan L. Miller ,  Malcolm Sharpe ,  Steve Hodgson

    IPC: G06F3/06 ,  G06F12/10

    CPC classification number: G06F3/0604 ,  G06F3/065 ,  G06F3/0688 ,  G06F11/2094 ,  G06F12/0246 ,  G06F12/1009 ,  G06F2212/1056 ,  G06F2212/214 ,  G06F2212/7201

    Abstract: A system and method for utilizing unmapped and unknown states in a storage system. When a first portion of a first medium is determined to be unreachable from any other mediums, the first portion of the first medium may be put into an unmapped state, and its data may be discarded and the corresponding storage locations may be freed. During replication of the first medium to a replica storage array, the state of the first portion of the first medium may be translated from the unmapped state into an unknown state on the replica storage array. If another storage array has the data of the first portion of the first medium, this data may be used to overwrite the first portion of the first medium on the replica storage array, converting the first portion of the first medium from the unknown state into the mapped state.

    Abstract translation: 一种用于在存储系统中利用未映射和未知状态的系统和方法。 当第一介质的第一部分被确定为不能从任何其他介质访问时，第一介质的第一部分可以被置于未映射状态，并且其数据可能被丢弃，并且相应的存储位置可以被释放。 在将第一介质复制到副本存储阵列期间，可以将第一介质的第一部分的状态从未映射状态转换为副本存储阵列上的未知状态。 如果另一存储阵列具有第一介质的第一部分的数据，则可以使用该数据来覆盖副本存储阵列上的第一介质的第一部分，将第一介质的第一部分从未知状态转换为 映射状态。

    Converting data formats in a storage system
    24.
    发明授权
    Converting data formats in a storage system 有权

    公开(公告)号：US11995315B2

    公开(公告)日：2024-05-28

    申请号：US17732622

    申请日：2022-04-29

    Applicant: PURE STORAGE, INC.

    Inventor： David Grunwald ,  Christopher Golden ,  Jianting Cao ,  Scott Smith ,  Qi Zhou ,  Wentian Cui

    IPC: G06F3/06 ,  G06F8/656

    CPC classification number: G06F3/0604 ,  G06F3/0607 ,  G06F3/0632 ,  G06F3/0661 ,  G06F3/067 ,  G06F3/0673 ,  G06F8/656

    Abstract: Converting data formats in a storage system: converting first data in a first format to second data in a second format, wherein second data in the second format includes a reference to the first data, wherein the first data and the second data are associated with a dataset, including updating the second data to include: a reference to first data associated with a portion of the dataset that precedes a data-converted portion of the dataset; second data associated with the data-converted portion of the dataset, wherein the second data associated with the data-converted portion of the dataset is in the second data format; and a reference to first data associated with a portion of the dataset that follows the data-converted portion of the dataset; and replacing first data associated with the data-converted portion of the dataset with a reference to the second data associated with the data-converted portion of the dataset.

    Upgrading data in a storage system using background processes
    27.
    发明授权
    Upgrading data in a storage system using background processes 有权

    公开(公告)号：US11340785B1

    公开(公告)日：2022-05-24

    申请号：US16993715

    申请日：2020-08-14

    Applicant: PURE STORAGE, INC.

    Inventor： Jianting Cao ,  Wentian Cui ,  Christopher Golden ,  David Grunwald ,  Scott Smith ,  Qi Zhou

    IPC: G06F3/06 ,  G06F8/656

    Abstract: Performing a non-disruptive upgrade of data in a storage system that includes a plurality of storage devices and a storage controller, including: creating new data in a new data format, wherein the new data includes a reference to old data in an old data format, wherein system software in the storage system can utilize data in the new data format and the old data format; determining that a portion of the volume has changed; and responsive to determining that the portion of the volume has changed, updating the new data to include a reference to old data associated with a portion of the volume that precedes the changed portion of the volume, new data associated with the changed portion of the volume, and a reference to old data associated with a portion of the volume that follows the changed portion of the volume.

    Optimizing for data reduction in a storage system
    28.
    发明授权
    Optimizing for data reduction in a storage system 有权

    公开(公告)号：US11281375B1

    公开(公告)日：2022-03-22

    申请号：US16456719

    申请日：2019-06-28

    Applicant: PURE STORAGE, INC.

    Inventor： Christopher Golden ,  Richard Hankins ,  Aswin Karumbunathan ,  Naveen Neelakantam ,  Neil Vachharajani

    IPC: G06F3/06

    Abstract: Intelligently compressing data in a storage array that includes a plurality of storage devices, including: prioritizing, in dependence upon an expected benefit to be gained from compressing each data element, one or more data elements; receiving an amount of processing resources available for compressing the one or more of the data elements; and selecting, in dependence upon the prioritization of the one or more data elements and the amount of processing resources available for compressing one or more of the data elements, a data compression algorithm to utilize on one or more of the data elements.

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