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    • 6. 发明授权
    • Storage-network de-duplication
    • 存储网络重复数据删除
    • US09558201B2
    • 2017-01-31
    • US14149762
    • 2014-01-07
    • VMware, Inc.
    • Israel Zvi Ben-ShaulLeonid Vasetsky
    • G06F17/30G06F3/06G06F11/14
    • G06F17/30159G06F3/0608G06F3/0641G06F3/067G06F11/1453G06F17/3015
    • Techniques are provided for de-duplication of data. In one embodiment, a system comprises de-duplication logic that is coupled to a de-duplication repository. The de-duplication logic is operable to receive, from a client device over a network, a request to store a file in the de-duplicated repository using a single storage encoding. The request includes a file identifier and a set of signatures that identify a set of chunks from the file. The de-duplication logic determines whether any chunks in the set are missing from the de-duplicated repository and requests the missing chunks from the client device. Then, for each missing chunk, the de-duplication logic stores in the de-duplicated repository that chunk and a signature representing that chunk. The de-duplication logic also stores, in the de-duplicated repository, a file entry that represents the file and that associates the set of signatures with the file identifier.
    • 提供技术用于重复数据删除数据。 在一个实施例中,系统包括耦合到重复数据删除存储库的重复数据删除逻辑。 重复数据删除逻辑可操作以通过网络从客户端设备接收使用单个存储编码将文件存储在去重复存储库中的请求。 请求包括文件标识符和一组标识从该文件组成的块的签名。 重复数据删除逻辑确定集合中的任何块是否从重复的存储库中丢失,并从客户端设备请求丢失的块。 然后,对于每个丢失的块,重复数据删除逻辑存储在重复的存储库中,该组块和表示该块的签名。 重复数据删除逻辑还在解重复的存储库中存储表示文件的文件条目,并将该组签名与文件标识符相关联。