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1. 发明申请

US20120011101A1 INTEGRATING CLIENT AND SERVER DEDUPLICATION SYSTEMS 审中-公开
标题翻译：集成客户端和服务器重用系统
公开(公告)号：US20120011101A1
公开(公告)日：2012-01-12
申请号：US12834616
申请日：2010-07-12
申请人： Zhenqiu Fang , Taiwen Zhang , Kai Zhang , Ming Yan , Liqiu Song
发明人： Zhenqiu Fang , Taiwen Zhang , Kai Zhang , Ming Yan , Liqiu Song
IPC分类号： G06F17/30 , G06F15/16 , H04L9/00
CPC分类号： H04L69/04 , H04L63/12
摘要： According to one embodiment of the present invention, a method for integrating client and server deduplication systems may be provided. In this method, a first hash set of a previous backup session may be received from a server. The first hash set may comprise a plurality of cryptographic values generated using a plurality of data blocks of a first data set of a client. A second hash set may be generated using a plurality of data blocks of a second data set of the client. A deduplicated data set may be generated by the client according to the first hash set and the second hash set and may comprise a plurality of non-redundant data blocks of the second data set. The second hash set and the deduplicated data set may be transmitted to the server.
摘要翻译：根据本发明的一个实施例，可以提供用于整合客户端和服务器重复数据消除系统的方法。在该方法中，可以从服务器接收先前备份会话的第一哈希集。第一散列集可以包括使用客户端的第一数据集的多个数据块生成的多个密码值。可以使用客户端的第二数据集的多个数据块来生成第二散列集。可以由客户端根据第一散列集合和第二散列集合生成重复数据删除的数据集，并且可以包括第二数据集合的多个非冗余数据块。可以将第二散列集和重复数据删除的数据集发送到服务器。

2. 发明申请

US20190095286A1 Method of Detecting Source Change for File Level Incremental Backup 审中-公开
公开(公告)号：US20190095286A1
公开(公告)日：2019-03-28
申请号：US15714366
申请日：2017-09-25
申请人： Zhenqiu Fang , Lei Li , Zhonghua Dang , Guangju Li
发明人： Zhenqiu Fang , Lei Li , Zhonghua Dang , Guangju Li
IPC分类号： G06F11/14
摘要： A system and method are presented that identify new, modified, unchanged, and deleted files in an incremental backup through a file list maintained on the backup destination. The FileList is a flat file in which file information about each file on a source node is stored sequentially into the file. During a subsequent incremental backup, the FileList is read sequentially from the backup destination and is used to generate a search tree. A hash value based on the file path is the key to the search tree, with the file's modified time and size being hashed together to form the value of the tree's key-value pair. Files are examined on the source and compared to the key-value pairs in the search tree. Status information in the search tree is modified to indicate discovered files. Unmodified status information identifies files that have been deleted since the previous backup.

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