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    • 10. 发明授权
    • Method and system for network data replication
    • 网络数据复制的方法和系统
    • US06654771B1
    • 2003-11-25
    • US09677945
    • 2000-10-02
    • Jeffrey B. ParhamWilliam B. Lees
    • Jeffrey B. ParhamWilliam B. Lees
    • G06F1730
    • G06F17/30371G06F17/30578Y10S707/99953Y10S707/99955
    • Techniques are provided for replicating database changes among servers of a database system that effectively removes the inconsistency problems encountered after restoration from backup and due to removal and re-addition of partitions by assigning a new GUID to a server after it has been restored or after the partition has been re-added. This new GUID is used for identifying new changes made by the server after restoration or partition re-addition. By virtue of the use of the new GUID, new changes made after restoration will not be confused with any changes made by the server after the backup and before the restoration, which are identified by the old GUID of the server, thereby ensuring convergence of the servers' data through replication. Similarly, by virtue of the use of the new GUID, new changes made after re-addition of a partition will not be confused with any changes made prior to the re-addition of the partition.
    • 提供技术用于在数据库系统的服务器之间复制数据库更改,从而有效地消除从备份恢复之后遇到的不一致问题,并且由于删除和重新添加分区,因此在服务器还原后或之后将新的GUID分配给服务器 分区已重新添加。 此新GUID用于识别恢复或分区重新添加后由服务器做出的新更改。 凭借使用新的GUID,恢复后进行的新的更改不会与服务器在备份之后还有恢复之前由服务器的旧GUID标识的任何更改混淆,从而确保 服务器的数据通过复制。 类似地,通过使用新的GUID,重新添加分区后所做的新更改将不会与在重新添加分区之前进行的任何更改相混淆。