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    Data tiering using snapshots
    12.
    发明授权
    Data tiering using snapshots 有权

    公开(公告)号：US11625181B1

    公开(公告)日：2023-04-11

    申请号：US17146968

    申请日：2021-01-12

    Applicant: PURE STORAGE, INC.

    Inventor： Andrew Bernat ,  Zoltan Dewitt ,  John Colgrove

    IPC: G06F3/06

    Abstract: Data tiering based on snapshots, including: receiving information describing, for data stored in a storage system, any snapshots associated with the data and any volumes storing the data; determining, from a plurality of storage tiers, a storage tier for the data based on the information; and storing the data in a storage device of the storage system associated with the storage tier.

    Continuous value data redundancy
    14.
    发明授权
    Continuous value data redundancy 有权

    公开(公告)号：US11494267B2

    公开(公告)日：2022-11-08

    申请号：US16848590

    申请日：2020-04-14

    Applicant: PURE STORAGE, INC.

    Inventor： Timothy Brennan ,  Andrew Bernat ,  Peter Kirkpatrick ,  Wei Tang

    IPC: G06F11/10 ,  G06F11/07

    Abstract: Continuous value data redundancy, including: receiving, by a storage system, a dataset; determining, based on a data resiliency metric, an integer redundancy value for the dataset from among a plurality of redundancy values; and generating, based on the integer redundancy value for the dataset, data recovery information for the dataset, wherein the integer redundancy value for the dataset is different from at least one other integer redundancy value for another dataset stored within the storage system.

    Encryption key management in a storage system
    16.
    发明授权
    Encryption key management in a storage system 有权

    公开(公告)号：US11451391B1

    公开(公告)日：2022-09-20

    申请号：US16661160

    申请日：2019-10-23

    Applicant: Pure Storage, Inc.

    Inventor： Andrew Bernat ,  Alexandre Duchâteau ,  Marco Sanvido ,  Constantine Sapuntzakis ,  Kiron Vijayasankar

    IPC: H04L9/32 ,  G06F21/60 ,  H04L9/40 ,  H04L67/10 ,  H04L67/1097 ,  H04W12/0431 ,  G06F9/455

    Abstract: Protecting an encryption key for data stored in a storage system that includes a plurality of storage devices, including: reading, from at least a majority of the storage devices, a portion of an apartment key; reconstructing the apartment key using the portions of the apartment key read by the majority of the storage devices; unlocking the main portion of each of the storage devices utilizing the apartment key; reading, from the main portion of one of the storage devices, a portion of a third-party resource access key; requesting, from the third-party resource utilizing the third-party resource access key, an encryption key; receiving, from the third-party resource, the encryption key; and decrypting the data stored on the storage devices utilizing the encryption key.

    RE-KEYING THE CONTENTS OF A STORAGE DEVICE
    17.
    发明申请
    RE-KEYING THE CONTENTS OF A STORAGE DEVICE 有权

    公开(公告)号：US20220014369A1

    公开(公告)日：2022-01-13

    申请号：US17482661

    申请日：2021-09-23

    Applicant: PURE STORAGE, INC.

    Inventor： Ethan Miller ,  Andrew Bernat

    IPC: H04L9/08

    Abstract: Periodically re-encrypting user data stored on a storage device, including: determining that data stored in a first location of a storage device is encrypted with a data encryption key that has been decommissioned; re-encrypting the data utilizing a current data encryption key; and writing the data that is encrypted utilizing the current data encryption key to a second location of the storage device.

    Data re-encryption in a storage system
    19.
    发明授权
    Data re-encryption in a storage system 有权

    公开(公告)号：US11146396B1

    公开(公告)日：2021-10-12

    申请号：US16701852

    申请日：2019-12-03

    Applicant: Pure Storage, Inc.

    Inventor： Andrew Bernat ,  Ethan Miller

    IPC: H04L9/08

    Abstract: Periodically re-encrypting user data stored on a storage device, including: detecting that a data encryption key should be decommissioned; and for user data stored on the storage device that is encrypted with the data encryption key: reading the user data that is encrypted with the data encryption key from the storage device; re-encrypting the user data utilizing a current data encryption key; and writing the user data that is encrypted utilizing the current data encryption key to the storage device.

    Data protection in a storage system
    20.
    发明授权
    Data protection in a storage system 有权

    公开(公告)号：US11032259B1

    公开(公告)日：2021-06-08

    申请号：US16167789

    申请日：2018-10-23

    Applicant: PURE STORAGE, INC.

    Inventor： Andrew Bernat ,  Timothy Brennan ,  Ethan Miller ,  John Colgrove

    IPC: H04L29/06 ,  H04L9/08 ,  G06F21/78

    Abstract: In a storage system that includes a plurality of NVMe SSDs, data protection may be carried out by: for each of the plurality of NVMe SSDs, encrypting a device key using a master secret, wherein the device key, when not encrypted, is used to encrypt and decrypt data in one or more namespaces on the NVMe SSD; generating a plurality of shares from the master secret; and storing a separate share of the plurality of shares in a namespace prohibited from encryption on each NVMe SSD.

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