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    • 1. 发明申请
    • FILE STORAGE SYSTEM AND METHOD FOR MANAGING DUPLICATE FILES IN FILE STORAGE SYSTEM
    • 用于在文件存储系统中管理复制文件的文件存储系统和方法
    • US20090157769A1
    • 2009-06-18
    • US12140302
    • 2008-06-17
    • Sang-Min LEEMyung-Hoon ChaYoung-Kyun KimMyung-Joon Kim
    • Sang-Min LEEMyung-Hoon ChaYoung-Kyun KimMyung-Joon Kim
    • G06F12/02G06F17/30
    • G06F17/3015G06F11/2094
    • Provided are a file storage system, and a method for managing duplicate files in the file storage system. The file storage system that performs file duplication for error recovery includes a client for requesting generation of a duplicate file of a new file being stored, a metadata server for storing information associated with prestored duplicate files and determining whether a file that is identical to the new file is present among the prestored duplicate files, to limit a number of identical duplicate files to a preset number, and a data server comprising a file duplication unit and a storage unit for respectively performing file duplication and file storage under the control of the metadata server. Accordingly, file recovery can be performed while duplicate files in the system are minimized.
    • 提供了文件存储系统和用于管理文件存储系统中的重复文件的方法。 执行用于错误恢复的文件复制的文件存储系统包括用于请求生成正在存储的新文件的重复文件的客户端,用于存储与预先存储的重复文件相关联的信息的元数据服务器,以及确定与新的文件是否相同的文件 文件存在于预先存储的重复文件中,以将多个相同的重复文件限制为预设号码,以及包括文件复制单元和存储单元的数据服务器,用于分别在元数据服务器的控制下执行文件复制和文件存储 。 因此,可以在系统中的重复文件最小化的同时执行文件恢复。
    • 2. 发明授权
    • File storage system and method for managing duplicate files in file storage system
    • 用于管理文件存储系统中重复文件的文件存储系统和方法
    • US08103636B2
    • 2012-01-24
    • US12140302
    • 2008-06-17
    • Sang-Min LeeMyung-Hoon ChaYoung-Kyun KimMyung-Joon Kim
    • Sang-Min LeeMyung-Hoon ChaYoung-Kyun KimMyung-Joon Kim
    • G06F7/00G06F17/00
    • G06F17/3015G06F11/2094
    • Provided are a file storage system, and a method for managing duplicate files in the file storage system. The file storage system that performs file duplication for error recovery includes a client for requesting generation of a duplicate file of a new file being stored, a metadata server for storing information associated with prestored duplicate files and determining whether a file that is identical to the new file is present among the prestored duplicate files, to limit a number of identical duplicate files to a preset number, and a data server comprising a file duplication unit and a storage unit for respectively performing file duplication and file storage under the control of the metadata server. Accordingly, file recovery can be performed while duplicate files in the system are minimized.
    • 提供了文件存储系统和用于管理文件存储系统中的重复文件的方法。 执行用于错误恢复的文件复制的文件存储系统包括用于请求生成正在存储的新文件的重复文件的客户端,用于存储与预先存储的重复文件相关联的信息的元数据服务器,以及确定与新的文件是否相同的文件 文件存在于预先存储的重复文件中,以将多个相同的重复文件限制为预设号码,以及包括文件复制单元和存储单元的数据服务器,用于分别在元数据服务器的控制下执行文件复制和文件存储 。 因此,可以在系统中的重复文件最小化的同时执行文件恢复。
    • 3. 发明授权
    • System and method for updating file
    • 更新文件的系统和方法
    • US08019729B2
    • 2011-09-13
    • US12187466
    • 2008-08-07
    • Myung-Hoon ChaSang-Min LeeYoung-Kyun KimJune KimMyung-Joon Kim
    • Myung-Hoon ChaSang-Min LeeYoung-Kyun KimJune KimMyung-Joon Kim
    • G06F7/00G06F17/00G06F17/30
    • G06F17/30176
    • Provided is a system and method for updating a plurality of the same files consistently. The file update system comprises a first and a second data servers formed as pipe line type network for storing an original file and a duplicate file of the original file respectively, and for updating both the original file and the duplicate file in response to an update request, wherein the first and the second data servers mutually exchange file update information, correct the file update information so as to prevent overlapped update due to a plurality of update requests for the same file, and then update the original file or the duplicate file according to the corrected file update information.
    • 提供一种用于一致地更新多个相同文件的系统和方法。 文件更新系统包括形成为管线型网络的第一和第二数据服务器,用于分别存储原始文件和原始文件的重复文件,并且用于响应于更新请求更新原始文件和重复文件 其中,所述第一数据服务器和所述第二数据服务器相互交换文件更新信息,更正所述文件更新信息,以防止由于对所述相同文件的多个更新请求而产生的重叠更新,然后根据所述文件更新信息更新所述原始文件或所述重复文件 更正的文件更新信息。