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1. 发明授权

US08001242B2 Method for redirection of host data access to multiple non-host file systems or data stores 失效
标题翻译：主机数据访问重定向到多个非主机文件系统或数据存储的方法
公开(公告)号：US08001242B2
公开(公告)日：2011-08-16
申请号：US10139767
申请日：2002-05-06
申请人： Wilhelm Mild , Ingo Franzki , Karsten Graul , Joerg Schmidbauer
发明人： Wilhelm Mild , Ingo Franzki , Karsten Graul , Joerg Schmidbauer
IPC分类号： G06F15/16
CPC分类号： G06F17/30067
摘要： The present invention discloses a system and method for automatic redirection of record-based data access to host files to multiple non-host file systems having non-record-based access comprising a redirector engine, a redirector server and at least one handler. The redirector engine, located on the host side, gets automatic control for each request of a host application (e.g., a read/write request), interprets a property list containing information on whether and how redirection for that request should be processed, makes a redirect decision based on information received from the property list, and establishes a communication with its assigned redirector server. The redirector server, located on a non-host system, handles communication with the redirector engine and the handler, performs data conversions if required and passes control to the handler assigned in the property list. The handler component converts the initial request into a request specific to the non-host file system, controls the execution of the request, and returns the result to the redirector engine. A main advantage of the present invention is that heterogeneous systems using different file systems can work on the same data store without any modification of the host applications themselves. A synchronization of data between the host system and non-host systems can be selected very easily by setting the appropriate parameter in the property list. The data can be stored in different file systems or data stores simultaneously. Finally, the host program is able to access data in different file system, in different encoding formats at the same time in real time.
摘要翻译：本发明公开了一种用于将主机文件的基于记录的数据访问自动重定向到具有非记录的访问的多个非主机文件系统的系统和方法，所述非主机文件系统包括重定向引擎，重定向器服务器和至少一个处理程序。位于主机端的重定向器引擎可以对主机应用程序的每个请求（例如，读/写请求）进行自动控制，解释属性列表，其中包含有关该请求的重定向以及如何处理的信息。基于从属性列表接收的信息进行重定向决定，并与其分配的重定向服务器建立通信。位于非主机系统上的重定向器服务器处理与重定向器引擎和处理程序的通信，如果需要，执行数据转换，并将控件传递给属性列表中指定的处理程序。处理程序组件将初始请求转换为特定于非主机文件系统的请求，控制请求的执行，并将结果返回到重定向器引擎。本发明的主要优点是使用不同文件系统的异构系统可以在相同的数据存储器上工作，而不需要对主机应用程序本身进行任何修改。通过在属性列表中设置适当的参数，可以非常容易地选择主机系统和非主机系统之间的数据同步。数据可以同时存储在不同的文件系统或数据存储器中。最后，主机程序能够以不同的文件系统，以不同的编码格式实时访问数据。

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