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    ADAPTIVE RAID FOR AN SSD ENVIRONMENT
    31.
    发明申请
    ADAPTIVE RAID FOR AN SSD ENVIRONMENT 有权
    适用于SSD环境的自适应RAID

    公开(公告)号：US20140317447A1

    公开(公告)日：2014-10-23

    申请号：US14283628

    申请日：2014-05-21

    Applicant: PURE Storage, Inc.

    Inventor： John Colgrove ,  John Hayes ,  Bo Hong ,  Ethan Miller

    IPC: G06F11/10 ,  G06F3/06

    CPC classification number: G06F11/108 ,  G06F3/0619 ,  G06F3/0646 ,  G06F3/0688 ,  G06F11/1008 ,  G06F11/1068 ,  G06F11/1076

    Abstract: A system and method for adaptive RAID geometries. 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 is configured to determine a first RAID layout for use in storing data, and write a first RAID stripe to the device group according to the first RAID layout. In response to detecting a first condition, the controller is configured to determine a second RAID layout which is different from the first RAID layout, and write a second RAID stripe to the device group according to the second layout, whereby the device group concurrently stores data according to both the first RAID layout and the second RAID layout.

    Abstract translation: 用于自适应RAID几何的系统和方法。 计算机系统包括经由网络彼此耦合的客户端计算机和数据存储阵列。 数据存储阵列利用固态驱动器和闪存单元进行数据存储。 数据存储阵列中的存储控制器被配置为确定用于存储数据的第一RAID布局，并且根据第一RAID布局向设备组写入第一RAID条带。 响应于检测到第一条件，控制器被配置为确定与第一RAID布局不同的第二RAID布局，并且根据第二布局向设备组写入第二RAID条带，由此设备组同时存储数据 根据第一个RAID布局和第二个RAID布局。

    SCHEDULING OF REACTIVE I/O OPERATIONS IN A STORAGE ENVIRONMENT
    32.
    发明申请
    SCHEDULING OF REACTIVE I/O OPERATIONS IN A STORAGE ENVIRONMENT 审中-公开
    在存储环境中调度反应性I / O操作

    公开(公告)号：US20140229673A1

    公开(公告)日：2014-08-14

    申请号：US14260059

    申请日：2014-04-23

    Applicant: PURE Storage, Inc.

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

    IPC: G06F3/06

    CPC classification number: G06F3/0611 ,  G06F3/061 ,  G06F3/0613 ,  G06F3/0617 ,  G06F3/0634 ,  G06F3/0659 ,  G06F3/0665 ,  G06F3/0688 ,  G06F3/0689 ,  G06F11/0751 ,  G06F11/076 ,  G06F11/1076

    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.

    Abstract translation: 一种用于在多个固态存储设备之间有效地调度读取和写入操作的系统和方法。 计算机系统包括经由网络彼此耦合的客户端计算机和数据存储阵列。 数据存储阵列利用固态驱动器和闪存单元进行数据存储。 数据存储阵列中的存储控制器包括I / O调度器。 相应的存储设备的特性用于将I / O请求调度到存储设备，以便在预测时间内保持相对一致的响应时间。 如果设备呈现可能指示设备处于未知状态的非计划行为，则调度器可以对被配置为使设备进入已知状态的设备上的一个或多个无效操作进行调度。

    SCHEDULING OF RECONSTRUCTIVE I/O READ OPERATIONS IN A STORAGE ENVIRONMENT
    33.
    发明申请
    SCHEDULING OF RECONSTRUCTIVE I/O READ OPERATIONS IN A STORAGE ENVIRONMENT 有权
    在存储环境中调度重写I / O读操作

    公开(公告)号：US20140075115A1

    公开(公告)日：2014-03-13

    申请号：US14083161

    申请日：2013-11-18

    Applicant: PURE Storage, Inc.

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

    IPC: G06F3/06

    CPC classification number: G06F3/0619 ,  G06F3/061 ,  G06F3/0613 ,  G06F3/0646 ,  G06F3/0659 ,  G06F3/0665 ,  G06F3/0688 ,  G06F3/0689 ,  G06F11/0727 ,  G06F11/0751 ,  G06F11/1076 ,  G06F12/0804 ,  G06F2003/0697

    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 storage controller is configured to receive a read request targeted to the data storage medium, and identify at least a first storage device of the plurality of storage devices which contains data targeted by the read request. In response to either detecting or predicting the first storage device will exhibit variable performance, the controller is configured to generate a reconstruct read request configured to obtain the data from one or more devices of the plurality of storage devices other than the first storage device.

    Abstract translation: 一种用于在多个固态存储设备之间有效地调度读取和写入操作的系统和方法。 计算机系统包括经由网络彼此耦合的客户端计算机和数据存储阵列。 数据存储阵列利用固态驱动器和闪存单元进行数据存储。 数据存储阵列中的存储控制器包括I / O调度器。 存储控制器被配置为接收针对数据存储介质的读取请求，并且识别包含读取请求所针对的数据的多个存储设备中的至少第一存储设备。 响应于检测或预测第一存储设备将呈现可变性能，控制器被配置为生成重构读取请求，其被配置为从除第一存储设备之外的多个存储设备中的一个或多个设备获得数据。

    Simultaneously servicing high latency operations in a storage system
    36.
    发明授权
    Simultaneously servicing high latency operations in a storage system 有权

    公开(公告)号：US10353630B1

    公开(公告)日：2019-07-16

    申请号：US16142690

    申请日：2018-09-26

    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.

    INTRA-DEVICE DATA PROTECTION IN A RAID ARRAY
    37.
    发明申请
    INTRA-DEVICE DATA PROTECTION IN A RAID ARRAY 审中-公开
    RAID阵列中的设备数据保护

    公开(公告)号：US20140365717A1

    公开(公告)日：2014-12-11

    申请号：US14450666

    申请日：2014-08-04

    Applicant: PURE Storage, Inc.

    Inventor： John Colgrove ,  John Hayes ,  Bo Hong ,  Ethan Miller

    IPC: G06F3/06

    CPC classification number: G06F3/0619 ,  G06F3/0605 ,  G06F3/0614 ,  G06F3/0632 ,  G06F3/0653 ,  G06F3/0655 ,  G06F3/0688 ,  G06F3/0689 ,  G06F11/1076 ,  G06F11/3034 ,  G06F11/3055 ,  G06F2211/1057 ,  G06F2211/1059

    Abstract: A system and method for intra-device data protection in a RAID array. 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 is configured to identify a unit of data stored in the data storage subsystem, wherein said unit of data is stored across at least a first storage device and a second storage device of the plurality of storage devices, each of the first storage device and the second storage device storing intra-device redundancy data corresponding to the unit of data; and change an amount of intra-device redundancy data corresponding to the unit of data on only the first storage device.

    Abstract translation: 用于RAID阵列中的设备内数据保护的系统和方法。 计算机系统包括经由网络彼此耦合的客户端计算机和数据存储阵列。 数据存储阵列利用固态驱动器和闪存单元进行数据存储。 数据存储阵列中的存储控制器被配置为识别存储在数据存储子系统中的数据单元，其中所述数据单元被存储在多个存储设备中的至少第一存储设备和第二存储设备上，每个存储控制器 所述第一存储设备和所述第二存储设备存储与所述数据单元对应的设备内冗余数据; 并且仅在第一存储设备上改变对应于数据单元的设备内冗余数据量。

    SCHEDULING OF I/O WRITES IN A STORAGE ENVIRONMENT
    38.
    发明申请
    SCHEDULING OF I/O WRITES IN A STORAGE ENVIRONMENT 有权
    在存储环境中调度I / O写入

    公开(公告)号：US20140136808A1

    公开(公告)日：2014-05-15

    申请号：US14160169

    申请日：2014-01-21

    Applicant: PURE Storage, Inc.

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

    IPC: G06F3/06

    CPC classification number: G06F3/0611 ,  G06F3/06 ,  G06F3/061 ,  G06F3/0613 ,  G06F3/0629 ,  G06F3/0653 ,  G06F3/0655 ,  G06F3/0656 ,  G06F3/0659 ,  G06F3/0683 ,  G06F3/0688 ,  G06F3/0689 ,  G06F12/0238 ,  G06F12/0246 ,  G06F12/08 ,  G06F12/0802 ,  G06F12/0891 ,  G06F2003/0697 ,  G06F2212/60

    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 data storage controller is configured to receive requests targeted to the data storage medium, said requests including a first type of operation and a second type of operation. The controller is further configured to schedule requests of the first type for immediate processing by said plurality of storage devices, and queue requests of the second type for later processing by the plurality of storage devices. Operations of the first type may correspond to operations with an expected relatively low latency, and operations of the second type may correspond to operations with an expected relatively high latency.

    Abstract translation: 一种用于在多个固态存储设备之间有效地调度读取和写入操作的系统和方法。 计算机系统包括经由网络彼此耦合的客户端计算机和数据存储阵列。 数据存储阵列利用固态驱动器和闪存单元进行数据存储。 数据存储阵列中的存储控制器包括I / O调度器。 数据存储控制器被配置为接收针对数据存储介质的请求，所述请求包括第一类型的操作和第二类型的操作。 所述控制器还被配置为调度所述第一类型的请求以供所述多个存储设备立即处理，以及所述第二类型的队列请求以供所述多个存储设备稍后处理。 第一类型的操作可以对应于具有预期的相对低的等待时间的操作，并且第二类型的操作可以对应于具有预期的较高等待时间的操作。

    SCHEDULING OF I/O IN AN SSD ENVIRONMENT
    39.
    发明申请
    SCHEDULING OF I/O IN AN SSD ENVIRONMENT 有权
    在SSD环境中调度I / O

    公开(公告)号：US20140075105A1

    公开(公告)日：2014-03-13

    申请号：US14083163

    申请日：2013-11-18

    Applicant: PURE Storage, Inc.

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

    IPC: G06F3/06

    CPC classification number: G06F3/0611 ,  G06F3/061 ,  G06F3/0613 ,  G06F3/0629 ,  G06F3/0653 ,  G06F3/0655 ,  G06F3/0659 ,  G06F3/0688 ,  G06F11/0727 ,  G06F11/0751 ,  G06F11/1076 ,  G06F11/3034 ,  G06F11/3055 ,  G06F11/3409 ,  G06F11/3485 ,  G06F12/0804 ,  G06F12/0866 ,  G06F2212/262 ,  G06F2212/502

    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.

    Abstract translation: 一种用于在多个固态存储设备之间有效地调度读取和写入操作的系统和方法。 计算机系统包括经由网络彼此耦合的客户端计算机和数据存储阵列。 数据存储阵列利用固态驱动器和闪存单元进行数据存储。 数据存储阵列中的存储控制器包括I / O调度器。 相应的存储设备的特性用于将I / O请求调度到存储设备，以便在预测时间内保持相对一致的响应时间。 为了减少存储设备的非预定行为的可能性，存储控制器被配置为对存储设备上的主动操作进行调度，这将减少多个未排程行为的发生。

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