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    Synchronized data deduplication
    12.
    发明授权
    Synchronized data deduplication 有权

    公开(公告)号：US11288235B2

    公开(公告)日：2022-03-29

    申请号：US16700938

    申请日：2019-12-02

    Applicant: Commvault Systems, Inc.

    Inventor： David Ngo ,  Marcus S. Muller

    IPC: G06F16/00 ,  G06F16/174 ,  G06F16/178 ,  G06F16/182 ,  H04L67/1097 ,  G06F16/27

    Abstract: A system and method for data deduplication is presented. Data received from one or more computing systems is deduplicated, and the results of the deduplication process stored in a reference table. A representative subset of the reference table is shared among a plurality of systems that utilize the data deduplication repository. This representative subset of the reference table can be used by the computing systems to deduplicate data locally before it is sent to the repository for storage. Likewise, it can be used to allow deduplicated data to be returned from the repository to the computing systems. In some cases, the representative subset can be a proper subset wherein a portion of the referenced table is identified shared among the computing systems to reduce bandwidth requirements for reference-table synchronization.

    SYSTEMS AND METHODS FOR ANALYZING SNAPSHOTS
    16.
    发明申请
    SYSTEMS AND METHODS FOR ANALYZING SNAPSHOTS 审中-公开

    公开(公告)号：US20160246680A1

    公开(公告)日：2016-08-25

    申请号：US15069228

    申请日：2016-03-14

    Applicant: Commvault Systems, Inc.

    Inventor： David Ngo

    IPC: G06F11/14 ,  G06F17/30

    CPC classification number: G06F11/1446 ,  G06F11/1448 ,  G06F11/1461 ,  G06F11/1471 ,  G06F16/2477 ,  G06F2201/80 ,  G06F2201/84

    Abstract: This application describes techniques for creating a second snapshot of a first snapshot of a set of data, modifying the first snapshot, and reverting the modifications to the first snapshot. For example, portions of one or more transaction logs may be played into a database to put the database in a particular state a particular point in time. The second snapshot may then be used to revert to a prior state of the database such that additional transaction logs may be played into the database. These techniques enable the ability to put the database into multiple states as the database existed at multiple points in time. Therefore, data can be recovered from the database as the data existed at different points in time. Moreover, individual data objects in the database can be accessed and analyzed as the individual data objects existed at different points in time.

    USING A SNAPSHOT AS A DATA SOURCE
    18.
    发明申请
    USING A SNAPSHOT AS A DATA SOURCE 审中-公开
    使用SNAPSHOT作为数据源

    公开(公告)号：US20150169413A1

    公开(公告)日：2015-06-18

    申请号：US14618241

    申请日：2015-02-10

    Applicant: CommVault Systems, Inc.

    Inventor： David Ngo ,  Anand Prahlad ,  Parag Gokhale ,  Rahul S. Pawar

    IPC: G06F11/14

    CPC classification number: G06F11/1451 ,  G06F11/1464 ,  G06F11/1466 ,  G06F11/1469 ,  G06F2201/84

    Abstract: A system and method for using a snapshot as a data source is described. In some cases, the system stores a snapshot and an associated data structure or index to storage media to create a secondary copy of a volume of data. In some cases, the associated index includes application specific data about a file system or other application that created the data to identify the location of the data. The associated index may include three entries, and may be used to facilitate the recovery of data via the snapshot.

    Abstract translation: 描述使用快照作为数据源的系统和方法。 在某些情况下，系统将快照和关联的数据结构或索引存储到存储介质，以创建数据量的次要副本。 在某些情况下，相关索引包括关于文件系统的应用程序特定数据或创建数据以识别数据位置的其他应用程序。 相关联的索引可以包括三个条目，并且可以用于促进通过快照恢复数据。

    Systems and methods for resynchronizing information
    19.
    发明授权
    Systems and methods for resynchronizing information 有权
    重新同步信息的系统和方法

    公开(公告)号：US09002799B2

    公开(公告)日：2015-04-07

    申请号：US14181359

    申请日：2014-02-14

    Applicant: CommVault Systems, Inc.

    Inventor： David Ngo ,  Vijay Agrawal

    IPC: G06F17/30 ,  G06F3/06 ,  G06F9/50 ,  H04L29/08 ,  G06F11/14

    CPC classification number: G06F17/30575 ,  G06F3/061 ,  G06F3/0631 ,  G06F3/0647 ,  G06F3/0653 ,  G06F3/067 ,  G06F9/50 ,  G06F11/1458 ,  G06F11/1469 ,  G06F17/30176 ,  G06F17/30306 ,  H04L67/1097

    Abstract: Methods and systems for synchronizing data files in a storage network between a first and a second storage device is provided. The method includes storing first data files associated with the first storage device to a storage medium, whereby the first data files include first data records. The storage medium may then be transferred to the second storage device. The first data files from the storage medium may be loaded onto the second storage device. The second data records from the first storage device may be received, and the first and second data records are compared. The first data files at the second storage device may be updated based on the comparison of the first and second data records.

    Abstract translation: 提供了用于在第一和第二存储设备之间的存储网络中同步数据文件的方法和系统。 该方法包括将与第一存储设备相关联的第一数据文件存储到存储介质，由此第一数据文件包括第一数据记录。 然后可以将存储介质传送到第二存储设备。 来自存储介质的第一数据文件可以被加载到第二存储设备上。 可以接收来自第一存储设备的第二数据记录，并比较第一和第二数据记录。 可以基于第一和第二数据记录的比较来更新第二存储设备处的第一数据文件。

    Snapshot storage and management system with indexing and user interface
    20.
    发明授权
    Snapshot storage and management system with indexing and user interface 有权
    快照存储和管理系统，具有索引和用户界面

    公开(公告)号：US08898411B2

    公开(公告)日：2014-11-25

    申请号：US13873085

    申请日：2013-04-29

    Applicant: CommVault Systems, Inc.

    Inventor： Anand Prahlad ,  Andreas May ,  Norman R. Lunde ,  Lixin Zhou ,  Avinash Kumar ,  David Ngo

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

    CPC classification number: G06F3/065 ,  G06F3/0601 ,  G06F3/0619 ,  G06F3/067 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1456 ,  G06F11/1469 ,  G06F2003/0697 ,  G06F2201/84 ,  Y10S707/99953 ,  Y10S707/99955

    Abstract: A system and method of managing stored data in a storage management system. The storage management system includes a storage manager, a media agent connected to the storage manager, and a primary volume connected to the media agent. Multiple snapshots are taken of the primary volume. The snapshots are indexed by associating respective information with the snapshot. The indexed snapshots are copied to a recovery volume. In this way, browsing features are enabled for the user. The user may view the snapshots in a hierarchical format, and may even view snapshot data in association with the corresponding application. The resultant recovery volume may be used to replace a primary volume.

    Abstract translation: 一种在存储管理系统中管理存储数据的系统和方法。 存储管理系统包括存储管理器，连接到存储管理器的媒体代理以及连接到媒体代理的主卷。 拍摄主卷的多张快照。 通过将各个信息与快照相关联来对快照进行索引。 索引的快照将复制到恢复卷。 以这种方式，用户可以启用浏览功能。 用户可以以分层格式查看快照，甚至可以与相应的应用相关联地查看快照数据。 所得到的恢复卷可以用于替换主卷。

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