File replication method for distributed file syste

专利名称：File replication method for distributed file

systems

发明人：Yoshiko Yasuda,Shinichi Kawamoto,Atsushi

Ebata,Jun Okitsu

申请号：US10767778申请日：20040130

公开号：US20040205152A1公开日：20041014

专利附图：

摘要：A file replication method which allows, between a plurality of virtualized-and-unified file systems, real-time creation of a partial copy of that one of the virtualized-and-

unified file systems as a target of replication is provided. The replication-sourcevirtualized-and-unified file system is provided with a unified management directory formanaging a structure of files and directories and the attribute information thereof,replication information for setting the file as an object to be copied, a request receptionunit for receiving a request from a client in a unified manner, and a replication unit forjudging whether or not replication should be performed in accordance with the unifiedmanagement directory and the replication information and simultaneously transferring,based on the result of the judgment, the file access request to the replication-sourcevirtualized-and-unified file system and to the replication-destination virtualized-and-unified file system.

申请人：HITACHI, LTD.

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