公开(公告)号：US20110320532A1

公开(公告)日：2011-12-29

申请号：US13225268

申请日：2011-09-02

申请人： Jusheng Cheng ,  Yuan Yuan ,  Hai Wen

发明人： Jusheng Cheng ,  Yuan Yuan ,  Hai Wen

IPC分类号： G06F15/16

CPC分类号： G06F16/182

摘要： A data operating method, system, client, and data server are provided. The method includes: sending a write request of a file to a data server, where the write request includes identifiers of sub-data blocks constituting the file; receiving mappings between the identifiers of the sub-data blocks and storage servers returned by the data server according to the write request; and writing the sub-data blocks to the corresponding storage servers according to the mappings. With the present invention, whether the identifiers of the sub-data blocks are saved may serve as a basis for determining whether the sub-data blocks are written, thus ensuring that no duplicate data is stored in the system and increasing the storage space of the system.

摘要翻译： 提供数据操作方法，系统，客户端和数据服务器。 该方法包括：向数据服务器发送文件的写请求，其中写请求包括构成文件的子数据块的标识符; 在数据服务器根据写请求返回的子数据块和存储服务器的标识符之间接收映射; 并根据映射将子数据块写入对应的存储服务器。 利用本发明，子数据块的标识符是否被保存可以用作确定子数据块是否被写入的基础，从而确保在系统中不存储重复的数据并增加存储空间 系统。