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    • 2. 发明申请
    • Method and apparatus for performing a backup of data stored in multiple source medium
    • 用于执行存储在多个源介质中的数据的备份的方法和装置
    • US20050138090A1
    • 2005-06-23
    • US11007601
    • 2004-12-08
    • Oliver AugensteinJoerg Erdmenger
    • Oliver AugensteinJoerg Erdmenger
    • G06F17/30
    • G06F11/1448G06F11/1456
    • A method and apparatus for performing a backup of data stored in multiple source medium are disclosed. A first backup file is initially generated on a backup medium. Then, data blocks of a first and second source files are written onto the first backup file. In response to the receipt of a last data block from one of the source files, the last data block is written to the first backup file and the first backup file is closed such that the first backup file contains all the data from one of the source files and a subset of data from the other source file. Subsequently, a second backup file is generated on the backup medium. After all the remaining data from the other source file have been written to the second backup file, the second backup file is closed such that the second backup file contains the remaining data from the other source file.
    • 公开了一种用于执行备份存储在多个源介质中的数据的方法和装置。 最初在备份介质上生成第一个备份文件。 然后,将第一和第二源文件的数据块写入第一备份文件。 响应于从其中一个源文件接收到最后一个数据块,将最后一个数据块写入第一个备份文件,并关闭第一个备份文件,使得第一个备份文件包含源中的一个源的所有数据 文件和另一个源文件的数据子集。 随后,在备份介质上生成第二个备份文件。 在来自其他源文件的所有剩余数据已写入第二备份文件之后,第二备份文件被关闭,使得第二备份文件包含来自其他源文件的剩余数据。
    • 5. 发明授权
    • Calculating recovery time of an application system
    • 计算应用系统的恢复时间
    • US07657583B2
    • 2010-02-02
    • US11291440
    • 2005-12-01
    • Joerg ErdmengerHans-Ulrich Oldengott
    • Joerg ErdmengerHans-Ulrich Oldengott
    • G06F7/00
    • G06F11/1469G06F11/1461G06F11/1471
    • Mechanisms are provided for calculating a recovery time (tr) of an application system in a computer system. The mechanisms tune the computer system dynamically. A recovery time (tr) is calculated and controlled within flexible predefined time slices and compared to a predefined time period (t0). A trigger is set in the case in which the calculated recovery time (tr) exceeds the predefined time period (t0). The mechanisms determine a type of redolog used during a backup process and a corresponding recovery speed value associated with the type of redolog. The recovery time is calculated based on the type of redolog used during the backup process and the corresponding recovery speed value associated with the type of redolog.
    • 提供了用于计算计算机系统中的应用系统的恢复时间(tr)的机制。 机制动态调整计算机系统。 在灵活的预定义时间片内计算和控制恢复时间(tr),并与预定时间段(t0)进行比较。 在计算出的恢复时间(tr)超过预定时间段(t0)的情况下设置触发。 机制确定在备份过程中使用的重做类型以及与重新设计类型相关联的相应恢复速度值。 恢复时间是根据在备份过程中使用的redolog类型和与redolog类型相关联的相应的恢复速度值来计算的。
    • 6. 发明授权
    • Performance optimizer for the transfer of bulk data between computer systems
    • 用于在计算机系统之间传输批量数据的性能优化器
    • US06898589B2
    • 2005-05-24
    • US10029479
    • 2001-12-21
    • Joerg ErdmengerMatthias Kubik
    • Joerg ErdmengerMatthias Kubik
    • H04L12/24H04L29/08G06F17/30
    • H04L67/06H04L41/5009H04L69/329Y10S707/99932Y10S707/99945
    • For the transfer of bulk data between a client computer system and at least one server computer system, throughput-relevant information is gathered from system components involved in the transfer. The information gathered is passed to a knowledge base that holds algorithms and data on relations and combinations of throughput-relevant information. By means of the knowledge base a set of performance parameters is generated that are effective to achieve a maximum data throughput. The determined set of performance parameters is used for a setup and configuration of a data transfer controller that controls the system complex for the transfer a maximum of data within a minimum amount of time and to reduce the expenditure for the system setup and configuration before the transfer is started. The data transfer may be part of backup and restore operations of bulk data.
    • 为了在客户端计算机系统与至少一台服务器计算机系统之间传输批量数据,从传输涉及的系统组件收集与吞吐量有关的信息。 所收集的信息被传递给知识库,该知识库保存有关关系和吞吐量相关信息的组合的算法和数据。 通过知识库,生成有效实现最大数据吞吐量的一组性能参数。 确定的一组性能参数用于数据传输控制器的设置和配置,该数据传输控制器控制系统复杂以在最小时间内传送最大数据,并减少传输之前系统设置和配置的支出 开始了 数据传输可能是批量数据的备份和恢复操作的一部分。