System and method for storing redundant information
    75.
    发明授权
    System and method for storing redundant information 有权
    用于存储冗余信息的系统和方法

    公开(公告)号:US09236079B2

    公开(公告)日:2016-01-12

    申请号:US14262878

    申请日:2014-04-28

    Abstract: A method and system for reducing storage requirements and speeding up storage operations by reducing the storage of redundant data includes receiving a request that identifies one or more data objects to which to apply a storage operation. For each data object, the storage system determines if the data object contains data that matches another data object to which the storage operation was previously applied. If the data objects do not match, then the storage system performs the storage operation in a usual manner. However, if the data objects do match, then the storage system may avoid performing the storage operation.

    Abstract translation: 通过减少冗余数据的存储来减少存储要求和加速存储操作的方法和系统包括接收标识用于应用存储操作的一个或多个数据对象的请求。 对于每个数据对象,存储系统确定数据对象是否包含与之前应用存储操作的另一个数据对象相匹配的数据。 如果数据对象不匹配,则存储系统以通常的方式执行存储操作。 但是,如果数据对象匹配,则存储系统可能会避免执行存储操作。

    STUBBING SYSTEMS AND METHODS IN A DATA REPLICATION ENVIRONMENT
    77.
    发明申请
    STUBBING SYSTEMS AND METHODS IN A DATA REPLICATION ENVIRONMENT 有权
    数据复制环境中的堆栈系统和方法

    公开(公告)号:US20150248444A1

    公开(公告)日:2015-09-03

    申请号:US14645982

    申请日:2015-03-12

    Abstract: Stubbing systems and methods are provided for intelligent data management in a replication environment, such as by reducing the space occupied by replication data on a destination system. In certain examples, stub files or like objects replace migrated, de-duplicated or otherwise copied data that has been moved from the destination system to secondary storage. Access is further provided to the replication data in a manner that is transparent to the user and/or without substantially impacting the base replication process. In order to distinguish stub files representing migrated replication data from replicated stub files, priority tags or like identifiers can be used. Thus, when accessing a stub file on the destination system, such as to modify replication data or perform a restore process, the tagged stub files can be used to recall archived data prior to performing the requested operation so that an accurate copy of the source data is generated.

    Abstract translation: 提供了在复制环境中进行智能数据管理的存根系统和方法,例如通过减少目标系统上复制数据占用的空间。 在某些示例中,存根文件或类似对象替换已从目标系统移动到辅助存储的已迁移,取消复制或以其他方式复制的数据。 以对用户透明的方式和/或基本上不影响基本复制过程的方式,进一步向复制数据提供访问。 为了区分代表迁移的复制数据的存根文件与复制存根文件,可以使用优先级标签或类似的标识符。 因此,当访问目标系统上的存根文件(例如修改复制数据或执行恢复过程)时,可以使用标记的存根文件在执行所请求的操作之前调用归档数据,以便源数据的准确副本 被生成。

    Systems and methods for performing data replication
    78.
    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

    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。

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