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    Failure mapping in a storage array
    81.
    发明授权
    Failure mapping in a storage array 有权

    公开(公告)号：US10268548B2

    公开(公告)日：2019-04-23

    申请号：US15418333

    申请日：2017-01-27

    Applicant: PURE STORAGE, INC.

    Inventor： John D. Davis ,  John Hayes ,  Hari Kannan ,  Nenad Miladinovic ,  Zhangxi Tan

    IPC: G06F11/00 ,  G06F11/14 ,  G06F11/16 ,  G11C29/00 ,  G06F11/10 ,  G06F12/1009 ,  G11C29/36 ,  G11C29/38 ,  G11C29/44

    Abstract: A storage cluster is provided. The storage cluster includes a plurality of storage nodes within a chassis. The plurality of storage nodes has flash memory for storage of user data and is configured to distribute the user data and metadata throughout the plurality of storage nodes such that the storage nodes can access the user data with a failure of two of the plurality of storage nodes. Each of the storage nodes is configured to generate at least one address translation table that maps around defects in the flash memory on one of a per flash package basis, per flash die basis, per flash plane basis, per flash block basis, per flash page basis, or per physical address basis. Each of the plurality of storage nodes is configured to apply the at least one address translation table to write and read accesses of the user data.

    Data Rebuild on Feedback from a Queue in a Non-Volatile Solid-State Storage
    85.
    发明申请
    Data Rebuild on Feedback from a Queue in a Non-Volatile Solid-State Storage 有权
    数据重建从非易失性固态存储中的队列的反馈

    公开(公告)号：US20160041868A1

    公开(公告)日：2016-02-11

    申请号：US14454503

    申请日：2014-08-07

    Applicant: Pure Storage, Inc.

    Inventor： John D. Davis ,  John Hayes ,  Zhangxi Tan ,  Hari Kannan ,  Nenad Miladinovic

    IPC: G06F11/10 ,  H03M13/05

    CPC classification number: G06F3/0604 ,  G06F3/0619 ,  G06F3/064 ,  G06F3/0659 ,  G06F3/067 ,  G06F3/0688 ,  G06F11/1008 ,  G06F11/1068 ,  G11C29/52 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/154 ,  H03M13/373 ,  H03M13/3761

    Abstract: A storage cluster is provided. The storage cluster includes a plurality of storage nodes, each of the plurality of storage nodes having nonvolatile solid-state memory and a plurality of operations queues coupled to the solid-state memory. The plurality of storage nodes is configured to distribute the user data and metadata throughout the plurality of storage nodes such that the plurality of storage nodes can access the user data with a failure of two of the plurality of storage nodes. Each of the plurality of storage nodes is configured to determine whether a read of 1 or more bits in the solid-state memory via a first path is within a latency budget. The plurality of storage nodes is configured to perform a read of user data or metadata via a second path, responsive to a determination that the read of the bit via the first path is not within the latency budget.

    Abstract translation: 提供了一个存储集群。 存储集群包括多个存储节点，多个存储节点中的每一个具有非易失性固态存储器和耦合到固态存储器的多个操作队列。 多个存储节点被配置为在整个多个存储节点中分发用户数据和元数据，使得多个存储节点可以利用多个存储节点中的两个的故障来访问用户数据。 多个存储节点中的每一个被配置为确定经由第一路径的固态存储器中的1位或更多比特的读取是否处于等待时间预算内。 多个存储节点经配置以经由第二路径执行用户数据或元数据的读取，响应于确定经由第一路径的位的读取不在等待时间预算内。

    Storage cluster
    86.
    发明授权
    Storage cluster 有权
    存储集群

    公开(公告)号：US09201600B1

    公开(公告)日：2015-12-01

    申请号：US14610766

    申请日：2015-01-30

    Applicant: Pure Storage, Inc.

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

    IPC: G06F12/02 ,  G06F3/06

    CPC classification number: G06F11/1076 ,  G06F3/06 ,  G06F3/0607 ,  G06F3/0613 ,  G06F3/0619 ,  G06F3/0632 ,  G06F3/065 ,  G06F3/0655 ,  G06F3/067 ,  G06F3/0688 ,  G06F11/1068 ,  G06F11/108 ,  G06F11/1092 ,  G06F12/0246 ,  G06F2201/845 ,  G06F2212/7206 ,  G06F2212/7207 ,  H03M13/154

    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.

    Abstract translation: 提供了单个机箱中的多个存储节点。 单个机箱中的多个存储节点被配置为一起作为存储集群通信。 多个存储节点中的每一个包括用于用户数据存储的非易失性固态存储器。 多个存储节点被配置为在整个多个存储节点中分配与用户数据相关联的用户数据和元数据，使得多个存储节点使用擦除编码保持读取用户数据的能力，尽管丢失了两个 的多个存储节点。 多个计算节点包括在单个机箱中，多个计算节点中的每一个被配置为与多个存储节点进行通信。 还提供了一种用于访问具有非易失性固态存储器的多个存储节点中的用户数据的方法。

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