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    • 2. 发明授权
    • Identification of updated files for incremental backup
    • 识别增量备份的更新文件
    • US07266574B1
    • 2007-09-04
    • US10032075
    • 2001-12-31
    • Robert A BoudrieDavid C Dysert
    • Robert A BoudrieDavid C Dysert
    • G06F17/30
    • G06F11/1451Y10S707/966Y10S707/99955
    • A method may be provided for incrementally backing up data from a logically represented volume on disk media. The disk media is accessible by a client through a network connection. The client comprises an enterprise database application. The method identifies tracks of the logically represented volume that have changed since a last incremental backup operation by reading fresh data indications. Each of the fresh data indications corresponds to a track of the logically represented volume, and a given fresh data indication is indicative of whether its corresponding track has been changed since a last incremental backup operation. Files are identified for incremental backup. The identified files comprise blocks saved on a track deemed changed since a last incremental backup operation. The identified files are backed up from the disk media to sequential storage media through a high speed connection.
    • 可以提供用于从磁盘介质上的逻辑表示的卷增量备份数据的方法。 磁盘介质可由客户端通过网络连接访问。 客户端包括企业数据库应用程序。 该方法通过读取新的数据指示来识别自上一次增量备份操作以来已更改的逻辑表示卷的跟踪。 每个新鲜数据指示对应于逻辑表示的音量的轨迹,并且给定的新鲜数据指示指示自上次增量备份操作以来其对应轨道是否已经改变。 文件被标识为增量备份。 所识别的文件包括保存在自上次增量备份操作以来被认为改变的轨道上的块。 识别的文件通过高速连接从磁盘介质备份到顺序存储介质。
    • 3. 发明授权
    • Method for physical backup in data logical order
    • 以数据逻辑顺序进行物理备份的方法
    • US06804690B1
    • 2004-10-12
    • US09749333
    • 2000-12-27
    • David C. DysertRobert A. BoudrieThomas L. DingsSujit Suresh NaikNeil F. Schutzman
    • David C. DysertRobert A. BoudrieThomas L. DingsSujit Suresh NaikNeil F. Schutzman
    • G06F1200
    • G06F11/1466G06F11/1458G06F11/1469G06F11/2056Y10S707/99955
    • A system for providing high speed external backup and restoration of data in a data storage system. Individual data objects are backed up in logical order on backup media such as magnetic tape so that they may be retrieved individually. Minimized descriptions of backed up data are transmitted between the host and backup systems to control high speed transfer of data between data servers and backup devices on a separate data channel. The descriptions are manipulated by the backup system to comply with formats of any number of host systems and data storage systems and to efficiently map the backed up data onto the backup devices. The system also provides for restoration of data to the data storage system by using a host system to pre-allocate space for the restored data, obtaining mapping information for the allocated space from the host system, and then directly writing the restored data into the allocated space, based on the mapping information.
    • 一种用于在数据存储系统中提供高速外部备份和恢复数据的系统。 单个数据对象按照逻辑顺序在备份介质(如磁带)上进行备份,以便它们可以单独检索。 备份数据的最小化描述在主机和备份系统之间传输,以控制数据服务器和备份设备之间的数据在单独数据通道上的高速传输。 这些描述由备份系统操纵,以符合任何数量的主机系统和数据存储系统的格式,并有效地将备份的数据映射到备份设备上。 该系统还通过使用主机系统为恢复的数据预先分配空间,为数据存储系统提供数据恢复,从主机系统获取分配的空间的映射信息,然后将恢复的数据直接写入分配的 空间,基于映射信息。
    • 4. 发明授权
    • Logical restores of physically backed up data
    • 物理备份数据的逻辑恢复
    • US06938180B1
    • 2005-08-30
    • US10032077
    • 2001-12-31
    • David C DysertRobert A Boudrie
    • David C DysertRobert A Boudrie
    • G06F11/00G06F11/14
    • G06F11/1469G06F11/1448G06F11/1456G06F11/1458
    • A method is performed with an enterprise storage system comprising disk storage and sequential storage media. Alternatively, systems, subsystems, and computer media containing encoded portions are disclosed. The method serves the data storage needs of a given client coupled to the enterprise storage system via a network. A physical device level backup is performed, backing up data from the disk storage to the sequential storage media, while minimizing demands on the client. The device level backup comprises a complete image backup of data in a host device as defined from a perspective of the given client. A logical restore of data is performed on a file by file basis from physically backed data on the sequential storage media. The logical restore involves locating files requested by the client on the sequential storage media and recovering the files from the sequential storage media. The files comprise files defined in accordance with a files system defined by the client.
    • 使用包括盘存储和顺序存储介质的企业存储系统执行方法。 或者,公开了包含编码部分的系统,子系统和计算机介质。 该方法用于经由网络耦合到企业存储系统的给定客户端的数据存储需求。 执行物理设备级备份,将数据从磁盘存储备份到顺序存储介质,同时最小化对客户端的需求。 设备级备份包括从给定客户端的角度定义的主机设备中的数据的完整映像备份。 根据顺序存储介质上的物理支持数据,逐个文件地执行数据的逻辑还原。 逻辑恢复包括定位客户端在顺序存储介质上请求的文件,并从顺序存储介质中恢复文件。 文件包括根据由客户端定义的文件系统定义的文件。
    • 6. 发明授权
    • Method and apparatus for automatic discovery of databases
    • 自动发现数据库的方法和装置
    • US5890165A
    • 1999-03-30
    • US625014
    • 1996-03-29
    • Robert A. BoudrieMadhav G. Mutalik
    • Robert A. BoudrieMadhav G. Mutalik
    • G06F11/14G06F17/30
    • G06F11/1451G06F11/1464Y10S707/99953
    • A method and apparatus for automatic discovery of databases that determines what databases are installed at a client site, interrogates each database to determine what files or tables are present and what storage is associated with each, groups the databases into the smallest atomic units that can be backed up while preserving database integrity, and presents this information to backup procedures. In a preferred embodiment, a discovery process is performed by a script for each client to be backed up. Each script causes the creation of a temporary file describing each database. The temporary files are normalized into a common format which is then passed to a grouper program that analyzes the temporary files and produces a data descriptor file describing the smallest atomic units that can be backed up while still preserving database integrity at that client site. This data descriptor file is presented to a work item generator for scheduling backup procedures. Backups of each atomic unit can then be scheduled as desired.
    • 用于自动发现数据库的方法和装置,用于确定在客户端站点安装哪些数据库,询问每个数据库以确定哪些文件或表存在,哪些存储与每个数据库相关联,将数据库分组成可以是最小的原子单元 备份,同时保留数据库完整性,并将此信息提供给备份过程。 在优选实施例中,通过脚本来执行发现过程,用于要备份的每个客户机。 每个脚本都会创建一个描述每个数据库的临时文件。 临时文件被规范化为通用格式,然后传递给分析临时文件的分组程序,并生成描述可以备份的最小原子单元的数据描述符文件,同时仍保留该客户端站点的数据库完整性。 该数据描述符文件被呈现给工作项生成器用于调度备份过程。 然后可以根据需要安排每个原子单元的备份。