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    Systems and methods for managing replicated database data
    63.
    发明授权
    Systems and methods for managing replicated database data 有权
    用于管理复制数据库数据的系统和方法

    公开(公告)号：US09396244B2

    公开(公告)日：2016-07-19

    申请号：US14675506

    申请日：2015-03-31

    Applicant: CommVault Systems, Inc.

    Inventor： David Ngo

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

    CPC classification number: G06F17/30578 ,  G06F11/1471 ,  G06F11/2094 ,  G06F11/2097 ,  G06F17/30575 ,  G06F2201/80 ,  G06F2201/84

    Abstract: Systems and methods for replicating database data and generating read-only copies of the replicated data in a clean shutdown state. For example, systems can include a tracking module (e.g., a filter driver) that monitors transactions from a database application to a source storage device to generate log entries having at least one marker indicating a known good state of the application. The systems further include a computer coupled to a target storage device comprising a database and log files. The computer processes the transactions, based on the log entries, to replicate data to the target storage device; performs a first snapshot on data stored in the database and log files; replays into the database data stored in the log files; performs another snapshot on the database; and reverts the database back to a state in which the database existed at the time of the first snapshot.

    Abstract translation: 用于复制数据库数据并在干净关闭状态下生成复制数据的只读副本的系统和方法。 例如，系统可以包括跟踪模块（例如，过滤器驱动器），其监视从数据库应用程序到源存储设备的事务，以生成具有指示应用的已知良好状态的至少一个标记的日志条目。 系统还包括耦合到包括数据库和日志文件的目标存储设备的计算机。 计算机根据日志条目处理事务，将数据复制到目标存储设备; 对存储在数据库和日志文件中的数据执行第一个快照; 重播到存储在日志文件中的数据库数据; 在数据库上执行另一个快照; 并将数据库恢复到第一个快照时数据库存在的状态。

    Collaborative restore in a networked storage system
    65.
    发明授权
    Collaborative restore in a networked storage system 有权
    联网存储系统中的协同恢复

    公开(公告)号：US09218374B2

    公开(公告)日：2015-12-22

    申请号：US13916409

    申请日：2013-06-12

    Applicant: CommVault Systems, Inc.

    Inventor： Marcus S. Muller ,  David Ngo

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1458 ,  G06F11/1415 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1453 ,  G06F11/1464 ,  G06F17/30082 ,  G06F17/30097 ,  G06F17/30156 ,  G06F17/30159 ,  G06F17/30221 ,  G06F17/30283 ,  G06F17/30306 ,  G06F17/30312 ,  G06F17/30386 ,  G06F17/30575 ,  G06F17/30943 ,  G06F2201/80

    Abstract: A storage system according to certain embodiments includes a client-side signature repository that includes information representative of a set of data blocks stored in primary storage. During restore operations, the system can use the client-side signature repository to identify data blocks located in primary storage. The system can also use the client-side signature repository to identify multiple locations within primary storage where instances of some of the data blocks to be restored are located. Accordingly, during a restore operation of one client computing device, the system can source a data block to be restored to the client computing device from another client computing device that is in primary storage.

    Abstract translation: 根据某些实施例的存储系统包括客户端签名库，其包括表示存储在主存储器中的一组数据块的信息。 在恢复操作期间，系统可以使用客户端签名库来识别位于主存储器中的数据块。 系统还可以使用客户端签名库来标识主存储中要恢复的一些数据块的实例所在的多个位置。 因此，在一个客户端计算设备的恢复操作期间，系统可以从处于主存储器的另一客户端计算设备向源客户机计算设备提供要恢复的数据块。

    Systems and methods for performing data replication
    67.
    发明授权
    Systems and methods for performing data replication 有权
    用于执行数据复制的系统和方法

    公开(公告)号：US09020898B2

    公开(公告)日：2015-04-28

    申请号：US14326855

    申请日：2014-07-09

    Applicant: CommVault Systems, Inc.

    Inventor： Anand Prahlad ,  David Ngo

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1458 ,  G06F3/0604 ,  G06F3/0619 ,  G06F3/0638 ,  G06F3/065 ,  G06F3/0653 ,  G06F3/0673 ,  G06F3/0683 ,  G06F11/1446 ,  G06F17/3007 ,  G06F17/30174 ,  G06F17/30179 ,  G06F17/30212 ,  G06F17/30371 ,  G06F17/30581 ,  G06F2201/82 ,  H04L67/1095

    Abstract: Performing data management operations on replicated data in a computer network. Log entries are generated for data management operations of an application executing on a source system. Consistency point entries are used to indicate a time of a known good, or recoverable, state of the application. A destination system is configured to process a copy of the log and consistency point entries to replicate data in a replication volume, the replicated data being a copy of the application data on the source system. When the replicated data represents a known good state of the application, as determined by the consistency point entries, the destination system(s) may perform a storage operation (e.g., snapshot, backup) to copy the replicated data and to logically associate the copied data with a time information (e.g., time stamp) indicative of the source system time when the application was in the known good state.

    Abstract translation: 对计算机网络中的复制数据执行数据管理操作。 生成用于在源系统上执行的应用程序的数据管理操作的日志条目。 一致性点条目用于指示应用程序的已知良好或可恢复状态的时间。 目标系统被配置为处理日志和一致性点条目的副本以复制复制卷中的数据，复制数据是源系统上应用程序数据的副本。 当复制数据表示应用程序的已知良好状态（由一致性点条目确定）时，目的地系统可以执行存储操作（例如快照，备份）以复制复制的数据，并将复制的数据逻辑关联 具有指示应用程序处于已知状态的源系统时间的时间信息（例如，时间戳）的数据。

    Systems and methods for continuous data replication
    68.
    发明授权
    Systems and methods for continuous data replication 有权
    用于连续数据复制的系统和方法

    公开(公告)号：US09003374B2

    公开(公告)日：2015-04-07

    申请号：US14269506

    申请日：2014-05-05

    Applicant: CommVault Systems, Inc.

    Inventor： David Ngo

    IPC: G06F9/44 ,  G06F7/00 ,  G06F17/30 ,  G06F11/20

    CPC classification number: G06F17/30174 ,  G06F11/2038 ,  G06F11/2048 ,  G06F11/2097 ,  G06F2201/82 ,  G06F2201/84

    Abstract: Systems and methods for intelligent data replication are provided, which may include the identification and use of consistency points in application data, such that one or more replication volumes may be created using an “application aware” replication process that allows the system to intelligently replicate data or other information (e.g., metadata) relating to a particular process, application or specified set of data.

    Abstract translation: 提供了用于智能数据复制的系统和方法，其可以包括识别和使用应用数据中的一致性点，使得可以使用允许系统智能复制数据的“应用感知”复制过程来创建一个或多个复制卷 或与特定过程，应用或指定数据集有关的其他信息（例如，元数据）。

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