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    Point to point based backend communication layer for storage processing
    162.
    发明授权
    Point to point based backend communication layer for storage processing 有权

    公开(公告)号：US10178169B2

    公开(公告)日：2019-01-08

    申请号：US14683083

    申请日：2015-04-09

    Applicant: Pure Storage, Inc.

    Inventor： Par Botes ,  John Hayes ,  Zhangxi Tan

    IPC: H04L29/06 ,  H04L29/08 ,  H04L12/933

    Abstract: A storage system is provided. The storage system includes a plurality of storage nodes, each of the plurality of storage nodes having a plurality of storage units with storage memory. The system includes a first network coupling the plurality of storage nodes and a second network coupled to at least a subset of the plurality of storage units of each of the plurality of storage nodes such that one of the plurality of storage units of a first one of the plurality of storage nodes can initiate or relay a command to one of the plurality of storage units of a second one of the plurality of storage nodes via the second network without the command passing through the first network.

    Reducing a number of storage devices in a storage system that are exhibiting variable I/O response times
    163.
    发明授权
    Reducing a number of storage devices in a storage system that are exhibiting variable I/O response times 有权

    公开(公告)号：US10156998B1

    公开(公告)日：2018-12-18

    申请号：US15418035

    申请日：2017-01-27

    Applicant: Pure Storage, Inc.

    Inventor： John Colgrove ,  John Hayes ,  Bo Hong ,  Feng Wang ,  Ethan Miller ,  Craig Harmer

    IPC: G06F3/06

    Abstract: A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The characteristics of corresponding storage devices are used to schedule I/O requests to the storage devices in order to maintain relatively consistent response times at predicted times. Should a device exhibit an unscheduled behavior which may be indicative of the device being in an unknown state, the scheduler may schedule one or more reactive operations on the device configured to cause the device to enter a known state.

    Adjusting a number of storage devices in a storage system that may be utilized to simultaneously service high latency operations
    164.
    发明授权
    Adjusting a number of storage devices in a storage system that may be utilized to simultaneously service high latency operations 有权

    公开(公告)号：US10126982B1

    公开(公告)日：2018-11-13

    申请号：US15418944

    申请日：2017-01-30

    Applicant: Pure Storage, Inc.

    Inventor： John Colgrove ,  John Hayes ,  Bo Hong ,  Feng Wang ,  Ethan Miller ,  Craig Harmer

    IPC: G06F3/06

    Abstract: A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The characteristics of corresponding storage devices are used to schedule I/O requests to the storage devices in order to maintain relatively consistent response times at predicted times. In order to reduce a likelihood of unscheduled behaviors of the storage devices, the storage controller is configured to schedule proactive operations on the storage devices that will reduce a number of occurrences of unscheduled behaviors.

    Nonrepeating identifiers in an address space of a non-volatile solid-state storage
    165.
    发明授权
    Nonrepeating identifiers in an address space of a non-volatile solid-state storage 有权

    公开(公告)号：US10114757B2

    公开(公告)日：2018-10-30

    申请号：US15321424

    申请日：2015-07-02

    Applicant: Pure Storage, Inc.

    Inventor： John Hayes ,  Shantanu Gupta ,  John Davis ,  Brian Gold ,  Zhangxi Tan

    IPC: G06F12/10 ,  G06F3/06 ,  G06F12/02 ,  G11C16/16

    Abstract: A method of applying an address space to data storage in a non-volatile solid-state storage is provided. The method includes receiving a plurality of portions of user data for storage in the non-volatile solid-state storage and assigning to each successive one of the plurality of portions of user data one of a plurality of sequential, nonrepeating addresses of an address space. The address range of the address space exceeds a maximum number of addresses expected to be applied during a lifespan of the non-volatile solid-state storage. The method includes writing each of the plurality of portions of user data to the non-volatile solid-state storage such that each of the plurality of portions of user data is identified and locatable for reading via the one of the plurality of sequential, nonrepeating addresses of the address space.

    STORAGE CLUSTER
    167.
    发明申请
    STORAGE CLUSTER 审中-公开

    公开(公告)号：US20180225174A1

    公开(公告)日：2018-08-09

    申请号：US15941580

    申请日：2018-03-30

    Applicant: Pure Storage, Inc.

    Inventor： John Hayes ,  John Colgrove ,  John D. Davis

    IPC: G06F11/10 ,  H03M13/15 ,  G06F3/06 ,  G06F12/02

    Abstract: A plurality of storage nodes in a single chassis is provided. The plurality of storage nodes in the single chassis is configured to communicate together as a storage cluster. Each of the plurality of storage nodes includes nonvolatile solid-state memory for user data storage. The plurality of storage nodes is configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain the ability to read the user data, using erasure coding, despite a loss of two of the plurality of storage nodes. A plurality of compute nodes is included in the single chassis, each of the plurality of compute nodes is configured to communicate with the plurality of storage nodes. A method for accessing user data in a plurality of storage nodes having nonvolatile solid-state memory is also provided.

    SECURE DATA REPLICATION IN A STORAGE GRID
    169.
    发明申请
    SECURE DATA REPLICATION IN A STORAGE GRID 审中-公开

    公开(公告)号：US20180144143A1

    公开(公告)日：2018-05-24

    申请号：US15803613

    申请日：2017-11-03

    Applicant: Pure Storage, Inc.

    Inventor： Par Botes ,  John Hayes ,  Ethan Miller

    IPC: G06F21/60 ,  H04L9/08 ,  H04L9/14

    Abstract: A method for securing data in a storage grid is provided. The method includes generating a storage key from key shares of at least two storage clusters of a storage grid having at least three storage clusters and generating a grid key from the storage key and an external secret. The method includes encrypting data with the grid key to yield once encrypted data and encrypting the once encrypted data with the storage key to yield twice encrypted data. The method includes storing the twice encrypted data in a first storage cluster of the storage grid and storing the twice encrypted data in a second storage cluster of the storage grid, wherein at least one method operation is performed by a processor.

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