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    Object-level replication of cloned objects in a data storage system
    1.
    发明授权
    Object-level replication of cloned objects in a data storage system 有权

    公开(公告)号：US10311151B2

    公开(公告)日：2019-06-04

    申请号：US14768317

    申请日：2013-02-21

    Applicant: Hitachi Data Systems Engineering UK Limited

    Inventor： Zahra Tabaaloute ,  James Gibbs ,  Daniel Picken ,  Jonathan Teh

    IPC: G06F17/30 ,  H04L29/08 ,  G06F11/20

    Abstract: Object-level replication of cloned objects from a source file system to a target file system in a data storage system maintains relationships between related objects including shared data blocks so that storage requirements in the target file system match storage requirements of the source file system. Specialized processing may be used to scan an indirection object that refers to other file system objects such that objects requiring replication can be identified on an incremental basis based on checkpoint numbers. Checkpoints in the target file system are managed so that checkpoint number requirements for replicated clone objects are enforced in the target file system.

    Method and apparatus for virtualization of a file system, data storage system for virtualization of a file system, and file server for use in a data storage system
    4.
    发明授权
    Method and apparatus for virtualization of a file system, data storage system for virtualization of a file system, and file server for use in a data storage system 有权
    用于文件系统的虚拟化的方法和装置，用于文件系统的虚拟化的数据存储系统以及用于数据存储系统的文件服务器

    公开(公告)号：US09460111B2

    公开(公告)日：2016-10-04

    申请号：US14373060

    申请日：2013-07-02

    Applicant: Hitachi Data Systems Engineering UK Limited

    Inventor： Richard Powell ,  James Gibbs ,  Timothy Warner ,  Zahra Tabaaloute

    IPC: G06F17/30 ,  G06F3/06 ,  H04L29/06

    CPC classification number: G06F17/30235 ,  G06F3/0607 ,  G06F3/0647 ,  G06F3/067 ,  G06F17/30123 ,  G06F17/30233 ,  H04L67/42

    Abstract: The method performed by the apparatus includes interconnecting a first file system managing unit 310 between the plurality of client computers 100 and the second file system managing unit 410, creating a first directory /root in a first file system managed by the first file system managing unit 310, associating a first directory /root of the second file system with the first directory /root of the first file system, enabling on-demand virtualization of the second file system by the first file system managing unit 310 based on client requests received from the client computers 100 at the first file system managing unit 310 and based on the association between the first directory of the first file system and the first directory of the second file system, and enabling indirect client access to the second file system through the first file system.

    Abstract translation: 由该装置执行的方法包括在多个客户端计算机100和第二文件系统管理单元410之间互连第一文件系统管理单元310，在由第一文件系统管理单元管理的第一文件系统中创建第一目录/根 310，将第二文件系统的第一目录/根与第一文件系统的第一目录/根相关联，由第一文件系统管理单元310基于从第一文件系统管理单元310接收到的客户端请求，对第二文件系统进行按需虚拟化 客户端计算机100，并且基于第一文件系统的第一目录和第二文件系统的第一目录之间的关联，以及通过第一文件系统启用间接客户端访问第二文件系统 。

    Method and apparatus for virtualization of a file system, data storage system for virtualization of a file system, and file server for use in a data storage system
    6.
    发明授权
    Method and apparatus for virtualization of a file system, data storage system for virtualization of a file system, and file server for use in a data storage system 有权
    用于文件系统的虚拟化的方法和装置，用于文件系统的虚拟化的数据存储系统以及用于数据存储系统的文件服务器

    公开(公告)号：US09191464B2

    公开(公告)日：2015-11-17

    申请号：US14447803

    申请日：2014-07-31

    Applicant: Hitachi Data Systems Engineering UK Limited

    Inventor： Richard Powell ,  James Gibbs ,  Timothy Warner ,  Zahra Tabaaloute

    IPC: G06F17/30 ,  H04L29/06

    CPC classification number: G06F17/30235 ,  G06F3/0607 ,  G06F3/0647 ,  G06F3/067 ,  G06F17/30123 ,  G06F17/30233 ,  H04L67/42

    Abstract: The method and an apparatus provides a virtualized file system enabling indirect access to a second file system in a data storage system comprising a plurality of client computers 100 and a second file system managing unit 410 for managing the second file system and enabling client access to the second file system, the method comprising interconnecting a first file system managing unit 310 between the plurality of client computers 100 and the second file system managing unit 410, creating a directory /root in a first file system managed by the first file system managing unit 310, a directory /root of the second file system with the directory /root of the first file system, enabling on-demand virtualization of the second file system by the first file system managing unit 310 based on client requests received from the client computers 100 at the first file system managing unit 310.

    Abstract translation: 该方法和装置提供虚拟化文件系统，其能够间接访问数据存储系统中的第二文件系统，所述数据存储系统包括多个客户端计算机100和第二文件系统管理单元410，用于管理第二文件系统并使客户端能够访问 第二文件系统，所述方法包括在多个客户端计算机100和第二文件系统管理单元410之间互连第一文件系统管理单元310，在由第一文件系统管理单元310管理的第一文件系统中创建目录/根 ，具有第一文件系统的目录/根的第二文件系统的目录/根，基于从客户端计算机100接收的客户端请求，由第一文件系统管理单元310启用第二文件系统的按需虚拟化 第一文件系统管理单元310。

    Object-Level Replication of Cloned Objects in a Data Storage System
    7.
    发明申请
    Object-Level Replication of Cloned Objects in a Data Storage System 审中-公开
    克隆对象在数据存储系统中的对象级复制

    公开(公告)号：US20160004720A1

    公开(公告)日：2016-01-07

    申请号：US14768317

    申请日：2013-02-21

    Applicant: HITACHI DATA SYSTEMS ENGINEERING UK LIMITED

    Inventor： Zahra Tabaaloute ,  James Gibbs ,  Daniel Picken ,  Jonathan Teh

    IPC: G06F17/30 ,  H04L29/08

    CPC classification number: G06F17/30088 ,  G06F11/2094 ,  G06F17/30174 ,  G06F17/30212 ,  G06F17/30607 ,  H04L67/1095

    Abstract: Object-level replication of cloned objects from a source file system to a target file system in a data storage system maintains relationships between related objects including shared data blocks so that storage requirements in the target file system match storage requirements of the source file system. Specialized processing may be used to scan an indirection object that refers to other file system objects such that objects requiring replication can be identified on an incremental basis based on checkpoint numbers. Checkpoints in the target file system are managed so that checkpoint number requirements for replicated clone objects are enforced in the target file system.

    Abstract translation: 克隆对象从源文件系统到数据存储系统中的目标文件系统的对象级复制维护相关对象（包括共享数据块）之间的关系，以使目标文件系统中的存储要求与源文件系统的存储要求相匹配。 可以使用专门的处理来扫描引用其他文件系统对象的间接对象，使得可以基于检查点号在增量的基础上识别需要复制的对象。 管理目标文件系统中的检查点，以便在目标文件系统中强制执行复制克隆对象的检查点编号要求。

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