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    SYSTEM AND METHOD FOR MANAGING DATA DEDUPLICATION OF STORAGE SYSTEMS UTILIZING PERSISTENT CONSISTENCY POINT IMAGES
    5.
    发明申请
    SYSTEM AND METHOD FOR MANAGING DATA DEDUPLICATION OF STORAGE SYSTEMS UTILIZING PERSISTENT CONSISTENCY POINT IMAGES 审中-公开
    用于管理利用持续一致点图像的存储系统的数据重用的系统和方法

    公开(公告)号：WO2008005212A3

    公开(公告)日：2008-04-10

    申请号：PCT/US2007014666

    申请日：2007-06-25

    Applicant: NETWORK APPLIANCE INC

    Inventor： TING DANIEL ,  ZHENG LING ,  MANLEY STEPHEN L ,  DESTEFANO JOHN FREDERICK

    IPC: G06F11/14 ,  G06F17/30

    CPC classification number: G06F11/1435 ,  G06F11/1453 ,  G06F2201/84

    Abstract: A system and method for managing data deduplication of a storage system utilizing persistent consistency point images (PCPIs). Once a target PCPI of a data transfer is generated, a backup management module of the storage system alerts a data deduplication module to begin deduplication of the data contained within the target PCPI. Once the deduplication procedure has been completed, the active file system of the storage system has been deduplicated, however, the target PCPI remains un-deduplicated. In response, the backup management module generates and exports a revised target PCPI. The previous target PCPI may then be deleted, thereby transitioning the exported PCPI's image of the state of the file system to a deduplicated state.

    Abstract translation: 一种利用持久性一致性点图像（PCPI）来管理存储系统的重复数据删除的系统和方法。 一旦生成了数据传输的目标PCPI，存储系统的备份管理模块将通知重复数据删除模块开始重复数据删除目标PCPI中包含的数据。 重复数据删除过程完成后，存储系统的活动文件系统已被删除重复数据，但目标PCPI保持未删除重复数据。 作为响应，备份管理模块生成并导出修改后的目标PCPI。 然后可以删除先前的目标PCPI，从而将导出的PCPI的​​文件系统状态映像转换为去重复状态。

    SYSTEM AND METHOD FOR PROVIDING CONTINUOUS DATA PROTECTION
    6.
    发明申请
    SYSTEM AND METHOD FOR PROVIDING CONTINUOUS DATA PROTECTION 审中-公开
    提供连续数据保护的系统和方法

    公开(公告)号：WO2007127361A3

    公开(公告)日：2008-11-13

    申请号：PCT/US2007010223

    申请日：2007-04-26

    Applicant: NETWORK APPLIANCE INC ,  ZHENG LING ,  ENGLISH ROBERT M ,  MANLEY STEPHEN L ,  LEWIS BLAKE H

    Inventor： ZHENG LING ,  ENGLISH ROBERT M ,  MANLEY STEPHEN L ,  LEWIS BLAKE H

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1435 ,  G06F17/30085

    Abstract: A system and method provides continuous data protection using checkpoints in a write anywhere file system. During a consistency point of a write anywhere file system, freed blocks are identified and are appended to a delete log for retention. A consistency point log is updated with a new entry associated with the consistency point. If the file system needs to retrieve its state at a particular point in time, the stored blocks of the delete log may be recovered.

    Abstract translation: 系统和方法使用写入任意文件系统中的检查点提供持续的数据保护。 在写入任何文件系统的一致性点中，自由块被识别并附加到删除日志以进行保留。 使用与一致性点相关联的新条目更新一致性点日志。 如果文件系统需要在特定时间点检索其状态，则可以恢复存储的删除日志块。

    SYSTEM AND METHOD FOR RESTORING DATA ON DEMAND FOR INSTANT VOLUME RESTORATION
    7.
    发明申请
    SYSTEM AND METHOD FOR RESTORING DATA ON DEMAND FOR INSTANT VOLUME RESTORATION 审中-公开
    用于恢复数据的系统和方法用于即时容量恢复

    公开(公告)号：WO2006116293A3

    公开(公告)日：2007-02-22

    申请号：PCT/US2006015442

    申请日：2006-04-24

    Applicant: NETWORK APPLIANCE INC

    Inventor： LANGO JASON ANSEL ,  CHO YONG EUN ,  EASTHAM PAUL CHRISTOPER ,  ZHENG LING ,  MANLEY STEPHEN L ,  EDWARDS JOHN W JR ,  ENGLISH ROBERT M ,  ACKAOUY EMMANUEL

    IPC: G06F11/14 ,  G06F11/20

    CPC classification number: G06F11/1435 ,  G06F11/1464 ,  G06F11/1469

    Abstract: A technique is disclosed for restoring data of sparse volumes, where one or more block pointers within the file system structure are marked as ABSENT, and fetching the appropriate data from an alternate location on demand. Client data access requests to the local storage system initiate a restoration of the data from a backing store as required. A demand generator can also be used to restore the data as a background process by walking through the sparse volume and restoring the data of absent blocks. A pump module is also disclosed to regulate the access of the demand generator. Once all the data has been restored, the volume contains all data locally, and is no longer a sparse volume.

    Abstract translation: 公开了一种用于恢复稀疏卷的数据的技术，其中文件系统结构中的一个或多个块指针被标记为ABSENT，并且根据需要从备用位置获取适当的数据。 对本地存储系统的客户端数据访问请求根据需要启动从后台存储器恢复数据。 还可以使用需求生成器通过遍历稀疏卷并恢复缺少块的数据来将数据恢复为后台进程。 还公开了一种泵模块来调节需求发生器的通路。 一旦所有数据都已恢复，卷将包含本地的所有数据，并且不再是稀疏卷。

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