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    Namespace mirroring in an expandable storage volume
    1.
    发明授权
    Namespace mirroring in an expandable storage volume 有权

    公开(公告)号：US09684571B2

    公开(公告)日：2017-06-20

    申请号：US13875236

    申请日：2013-05-01

    Applicant: NetApp, Inc.

    Inventor： Kiran Kumar Modukuri ,  Su Chen

    IPC: G06F17/30 ,  G06F11/20 ,  G06F11/14

    CPC classification number: G06F11/20 ,  G06F11/00 ,  G06F11/1435

    Abstract: Technology for maintaining a backup of namespace metadata of an expandable storage volume is disclosed. In various embodiments, the expandable storage volume backs up metadata of a namespace constituent volume of the expandable storage volume into a namespace mirror volume. The namespace constituent volume is responsible for storing the metadata for data objects stored in multiple data constituent volumes of the expandable storage volume. In response to a signal indicating that the namespace constituent volume is unavailable, the namespace mirror volume replaces the role of the namespace constituent volume. The new namespace constituent volume continues to provide metadata for a data object of the data objects in response to an operation request for the data object.

    Methods and systems for identifying changed data in an expandable storage volume
    3.
    发明授权
    Methods and systems for identifying changed data in an expandable storage volume 有权
    用于识别可扩展存储卷中的已更改数据的方法和系统

    公开(公告)号：US09015123B1

    公开(公告)日：2015-04-21

    申请号：US13743222

    申请日：2013-01-16

    Applicant: NetApp, Inc.

    Inventor： Jose Mathew ,  Rithin Shetty ,  Kiran Kumar Modukuri ,  Aditya Toomula ,  Anudhar Emani

    IPC: G06F7/00 ,  G06F17/00 ,  G06F17/30

    CPC classification number: G06F17/30174

    Abstract: An embodiment of the invention provides an apparatus and method for presenting differences in a file system of a clustered storage system. In an embodiment, the clustered storage system receives a request from a host, where the request is for a listing of changes in the file system within a time interval. A comparison unit in each storage node of the clustered storage system determines each metadata container associated with the file system which has changed within the time interval. The application programming interface buffers at least one identifier that corresponds to a metadata container associated with the file system which has changed within the time interval. The application programming interface packages and transmits the at least one identifier to the host. The at least one identifier is readable on the host.

    Abstract translation: 本发明的实施例提供了一种用于呈现集群存储系统的文件系统的差异的装置和方法。 在一个实施例中，集群存储系统从主机接收请求，其中该请求用于在一段时间间隔内对文件系统中的改变的列表。 集群存储系统的每个存储节点中的比较单元确定与在该时间间隔内已经改变的文件系统相关联的每个元数据容器。 应用编程接口缓冲至少一个与在该时间间隔内已经改变的文件系统相关联的元数据容器的标识符。 应用编程接口封装并将至少一个标识符发送到主机。 该主机上至少有一个标识符是可读的。

    Methods and systems for replicating an expandable storage volume
    4.
    发明授权
    Methods and systems for replicating an expandable storage volume 有权
    用于复制可扩展存储卷的方法和系统

    公开(公告)号：US09171052B2

    公开(公告)日：2015-10-27

    申请号：US14716621

    申请日：2015-05-19

    Applicant: NETAPP, INC.

    Inventor： Kiran Kumar Modukuri ,  Logan Rand Jennings

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1469 ,  G06F3/0607 ,  G06F3/0631 ,  G06F3/065 ,  G06F3/0662 ,  G06F3/0665 ,  G06F3/067 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1456 ,  G06F11/1464 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2074 ,  G06F11/2082 ,  G06F12/00 ,  G06F12/0292 ,  G06F12/1009 ,  G06F12/16 ,  G06F13/00 ,  G06F17/30 ,  G06F17/30088 ,  G06F17/30197 ,  G06F17/302 ,  G06F17/30575 ,  G06F17/30595 ,  G06F17/30864 ,  G06F2201/82 ,  G06F2201/84

    Abstract: Machine implemented method and system for generating a disaster recovery copy of an expandable storage volume having a namespace for storing information for accessing data objects stored at a data constituent volume is provided. A transfer operation for transferring a point in time copy of the expandable storage volume from a first location to a second location is generated. Information regarding the expandable storage volume from the first location is retrieved and a destination expandable storage volume is resized to match components of the expandable storage volume at the first location. Thereafter, the point in time copy of the expandable storage volume from the first location to the second location is transferred and configuration information regarding the point in time copy is copied from the first location to the second location; a data structure for storing information regarding the transferred point in time copy of the expandable storage volume is updated.

    Abstract translation: 提供了一种用于生成具有命名空间的可扩展存储卷的灾难恢复副本的机器实现方法和系统，用于存储用于访问存储在数据构成卷上的数据对象的信息。 产生用于将可扩展存储卷的时间点副本从第一位置传送到第二位置的传送操作。 检索关于来自第一位置的可扩展存储卷的信息，并且将目标可扩展存储卷调整大小以匹配第一位置处的可扩展存储卷的组件。 此后，传送可扩展存储卷从第一位置到第二位置的时间点复制，并且将关于时间点副本的配置信息从第一位置复制到第二位置; 更新用于存储关于可扩展存储卷的传送的时间点副本的信息的数据结构。

    METHODS AND SYSTEMS FOR REPLICATING AN EXPANDABLE STORAGE VOLUME
    5.
    发明申请
    METHODS AND SYSTEMS FOR REPLICATING AN EXPANDABLE STORAGE VOLUME 有权
    替代可扩展存储量的方法和系统

    公开(公告)号：US20150254319A1

    公开(公告)日：2015-09-10

    申请号：US14716621

    申请日：2015-05-19

    Applicant: NETAPP, INC.

    Inventor： Kiran Kumar Modukuri ,  Logan Rand Jennings

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1469 ,  G06F3/0607 ,  G06F3/0631 ,  G06F3/065 ,  G06F3/0662 ,  G06F3/0665 ,  G06F3/067 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1456 ,  G06F11/1464 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2074 ,  G06F11/2082 ,  G06F12/00 ,  G06F12/0292 ,  G06F12/1009 ,  G06F12/16 ,  G06F13/00 ,  G06F17/30 ,  G06F17/30088 ,  G06F17/30197 ,  G06F17/302 ,  G06F17/30575 ,  G06F17/30595 ,  G06F17/30864 ,  G06F2201/82 ,  G06F2201/84

    Abstract: Machine implemented method and system for generating a disaster recovery copy of an expandable storage volume having a namespace for storing information for accessing data objects stored at a data constituent volume is provided. A transfer operation for transferring a point in time copy of the expandable storage volume from a first location to a second location is generated. Information regarding the expandable storage volume from the first location is retrieved and a destination expandable storage volume is resized to match components of the expandable storage volume at the first location. Thereafter, the point in time copy of the expandable storage volume from the first location to the second location is transferred and configuration information regarding the point in time copy is copied from the first location to the second location; a data structure for storing information regarding the transferred point in time copy of the expandable storage volume is updated.

    Abstract translation: 提供了一种用于生成具有命名空间的可扩展存储卷的灾难恢复副本的机器实现方法和系统，用于存储用于访问存储在数据构成卷上的数据对象的信息。 产生用于将可扩展存储卷的时间点副本从第一位置传送到第二位置的传送操作。 检索关于来自第一位置的可扩展存储卷的信息，并且将目标可扩展存储卷调整大小以匹配第一位置处的可扩展存储卷的组件。 此后，传送可扩展存储卷从第一位置到第二位置的时间点复制，并且将关于时间点副本的配置信息从第一位置复制到第二位置; 更新用于存储关于可扩展存储卷的传送的时间点副本的信息的数据结构。

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