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    Management method of virtual storage system and remote copy system
    72.
    发明授权
    Management method of virtual storage system and remote copy system 有权

    公开(公告)号：US08935496B2

    公开(公告)日：2015-01-13

    申请号：US13600644

    申请日：2012-08-31

    Applicant: Akira Deguchi

    Inventor： Akira Deguchi

    IPC: G06F12/16 ,  G06F11/14 ,  G06F11/20

    CPC classification number: G06F3/0619 ,  G06F3/0665 ,  G06F3/0689 ,  G06F9/5027 ,  G06F11/1456 ,  G06F11/2056 ,  G06F11/2058 ,  G06F11/2074 ,  G06F11/2076 ,  G06F2201/815 ,  G06F2201/855

    Abstract: Exemplary embodiments provide techniques of managing storage systems including remote copy systems and improving the manageability by automating complicated operations. In one embodiment, a computer comprises a memory and a controller. The controller is operable to: manage a virtual volume to be provided for a server; manage a plurality of logical volumes provided from a plurality of storage systems; manage a condition to be required of the virtual volume, the condition relating to a location in which data to be sent to the virtual volume is stored; manage location information of each of the plurality of logical volumes, the location information of a logical volume being defined based on a location of the logical volume; and control to map the virtual volume to a logical volume of the plurality of logical volumes, based on the condition of the virtual volume and the location information of the logical volumes.

    LOCALLY GENERATED SIMPLE ERASURE CODES
    73.
    发明申请
    LOCALLY GENERATED SIMPLE ERASURE CODES 有权
    本地生成简单的擦除代码

    公开(公告)号：US20140380088A1

    公开(公告)日：2014-12-25

    申请号：US13927061

    申请日：2013-06-25

    Applicant: Microsoft Corporation

    Inventor： John G. Bennett ,  Bob Jenkins

    IPC: G06F11/16

    CPC classification number: G06F11/1666 ,  G06F11/1096 ,  G06F11/1662 ,  G06F11/2058 ,  G06F11/2094

    Abstract: An “erasure code” is an encoding of multiple different sets of data. Redundant copies of data are maintained in such erasure codes, thereby utilizing only a fraction of the storage capacity of unencoded copies. Erasure codes are efficiently generated, with a minimum of processing resources utilizing XOR functionality. Additionally, erasure codes are generated from local data, thereby avoiding the consumption of network resources. At least one unencoded copy of a set of data is maintained, while the remaining, redundant copies are encoded into erasure codes. Requests for data are provided from the unencoded copy. Should it fail, a new unencoded copy can be generated by another computing device having access to both an erasure code as well as unencoded copies of the other data that was also pressed into that erasure code. Multiple failures can be survived through recursive application of such a decoding of encoded data.

    Abstract translation: “擦除代码”是多个不同数据集的编码。 冗余的数据副本被保留在这样的擦除代码中，从而仅利用未编码副本的存储容量的一小部分。 有效地生成擦除代码，利用XOR功能的最少的处理资源。 此外，从本地数据生成擦除码，从而避免了网络资源的消耗。 保持一组数据的至少一个未编码的副本，而剩余的冗余副本被编码为擦除代码。 未经编码的副本提供数据请求。 如果它失败，则可以由具有访问擦除代码的另一个计算设备以及也被压入该擦除代码的其他数据的未编码副本来生成新的未编码副本。 可以通过对编码数据的这种解码的递归应用来存活多个故障。

    Migrating virtual machines across sites
    74.
    发明授权
    Migrating virtual machines across sites 有权
    跨站点迁移虚拟机

    公开(公告)号：US08909884B2

    公开(公告)日：2014-12-09

    申请号：US13457245

    申请日：2012-04-26

    Applicant: Mark S. Fleming ,  Jiang Peng ,  Zhang Xin ,  Rong Zhang

    Inventor： Mark S. Fleming ,  Jiang Peng ,  Zhang Xin ,  Rong Zhang

    IPC: G06F12/00 ,  G06F11/14 ,  H04L29/08 ,  G06F9/455

    CPC classification number: G06F11/203 ,  G06F9/455 ,  G06F9/45558 ,  G06F11/1469 ,  G06F11/2058 ,  G06F11/2076 ,  G06F2009/4557 ,  G06F2201/815 ,  H04L29/08

    Abstract: The invention relates to apparatus for managing data swap in a migration of virtual memory data of a virtual machine. In one embodiment, an apparatus comprises a receiving unit configured to receive a migration instruction and the second site information; a copying unit configured to copy memory data to a sub-logical unit in the first storage device; and a notifying unit configured to send a notification to instruct the second host to read the memory data from a mirror logical unit of a sub-logical unit in the second storage device. The apparatus modifies a mirror direction between the first and second storage devices and modifies a path table related to the first and second storage devices. Data of the virtual machine can be migrated and swapped in a metro mirror manner, thereby the virtual machine data can be migrated across sites without affecting system operation.

    Abstract translation: 本发明涉及用于在虚拟机的虚拟存储器数据的迁移中管理数据交换的装置。 在一个实施例中，一种装置包括被配置为接收迁移指令和第二站点信息的接收单元; 复制单元，被配置为将存储器数据复制到第一存储设备中的子逻辑单元; 以及通知单元，被配置为发送通知以指示所述第二主机从所述第二存储设备中的子逻辑单元的镜像逻辑单元读取所述存储器数据。 该装置修改第一和第二存储装置之间的镜像方向，并修改与第一和第二存储装置相关的路径表。 虚拟机的数据可以以城域镜像的方式进行迁移和交换，从而可以在不影响系统操作的情况下跨站点迁移虚拟机数据。

    Non-disruptive restoration of a storage volume
    75.
    发明授权
    Non-disruptive restoration of a storage volume 有权
    无破坏性地恢复存储卷

    公开(公告)号：US08904135B2

    公开(公告)日：2014-12-02

    申请号：US14048706

    申请日：2013-10-08

    Applicant: NetApp, Inc.

    Inventor： Manish D. Patel ,  Boris Teterin

    IPC: G06F13/00 ,  G06F13/28 ,  G06F11/14

    CPC classification number: G06F11/1466 ,  G06F11/2058 ,  G06F11/2069 ,  G06F13/00 ,  G06F13/28

    Abstract: A system implements a method to non-disruptive restoration of storage services provided by a storage volume of the system. Upon detecting a disruption of storage services at the storage volume, the method freezes the input/output (I/O) operations of applications that are accessing the storage volume. The disrupted storage services are restored. And the configurations of the storage volume are maintained during restoration of the disrupted storage services. Afterward, the frozen I/O operations are activated, allowing the applications to continue their accessing of the storage volume.

    Abstract translation: 系统实现一种方法来对系统的存储卷提供的存储服务进行非中断恢复。 在检测到存储卷上的存储服务中断时，该方法冻结正在访问存储卷的应用的输入/输出（I / O）操作。 恢复了破坏的存储服务。 并且在恢复中断的存储服务期间维护存储卷的配置。 之后，冻结的I / O操作被激活，允许应用程序继续访问存储卷。

    Restore in cascaded copy environment
    77.
    发明授权
    Restore in cascaded copy environment 有权
    在级联复制环境中还原

    公开(公告)号：US08856472B2

    公开(公告)日：2014-10-07

    申请号：US13847978

    申请日：2013-03-20

    Applicant: International Business Machines Corporation

    Inventor： Christopher B.E. Beeken

    IPC: G06F12/00 ,  G06F11/14 ,  G06F3/06

    CPC classification number: G06F11/1469 ,  G06F3/065 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1464 ,  G06F11/2058 ,  G06F2201/84

    Abstract: In one aspect of the present description, handling multiple backup processes comprises detecting that a defined storage volume is present in a first cascade of storage volumes; detecting that the defined storage volume is present in a second cascade of storage volumes; receiving a data write for a last storage volume in the first cascade of storage volumes; and performing a cleaning data write on the defined storage volume in the second cascade of storage volumes, wherein the cleaning data write corresponds to the received data write. Other aspects may be utilized, depending upon the particular application.

    Abstract translation: 在本说明书的一个方面，处理多个备份过程包括检测定义的存储卷存在于存储卷的第一级联中; 检测所述定义的存储卷存在于存储卷的第二级联中; 在第一级存储卷中接收用于最后存储卷的数据写入; 以及在存储卷的第二级联中对所定义的存储卷执行清洁数据写入，其中所述清洁数据写入对应于所接收的数据写入。 取决于具体的应用，可以利用其它方面。

    REPORTING USING DATA OBTAINED DURING BACKUP OF PRIMARY STORAGE
    80.
    发明申请
    REPORTING USING DATA OBTAINED DURING BACKUP OF PRIMARY STORAGE 有权
    报告使用在主存储备份期间获得的数据

    公开(公告)号：US20140181442A1

    公开(公告)日：2014-06-26

    申请号：US13924217

    申请日：2013-06-21

    Applicant: CommVault Systems, Inc.

    Inventor： Rajiv Kottomtharayil ,  Paramasivam Kumarasamy

    IPC: G06F11/14

    CPC classification number: G06F11/1458 ,  G06F11/2058 ,  G06F11/2094 ,  G06F11/2097 ,  G06F2201/84

    Abstract: A data storage system can scan one or more information stores of primary storage and analyze the metadata of files stored in the one or more information stores of primary storage to identify multiple, possibly relevant, secondary copy operations that can be performed on the files. The storage system can also identify primary storage usage information of each file during the scan and use that information to generate reports regarding the usage of the primary storage.

    Abstract translation: 数据存储系统可以扫描主存储器的一个或多个信息存储器，并且分析存储在主存储器的一个或多个信息存储器中的文件的元数据，以识别可以对文件执行的多个可能相关的辅助复制操作。 存储系统还可以在扫描期间识别每个文件的主要存储使用信息，并使用该信息来生成关于主存储器的使用的报告。

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