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    • 81. 发明申请
    • SELECTIVE EXTRACTION OF INFORMATION FROM A MIRRORED IMAGE FILE
    • 从镜像图像文件中选择性提取信息
    • WO2009086090A2
    • 2009-07-09
    • PCT/US2008/087661
    • 2008-12-19
    • NETAPP, INC.MUKHERJEE, Sandeep
    • MUKHERJEE, Sandeep
    • G06F15/16G06F15/00G06F9/44
    • G06F17/30091G06F17/30106G06F17/3023
    • An embodiment of the invention provides a method to extract selected information from an image file selectively without requiring the user to restore, on the destination storage server, the image file which has the data for a file system. The selected information can be, for example, contents of a file, contents of a directory, other information from the image file. The selected information can be selectively extracted by reading the blocks of the file from the WAFL data structures that has been stored in the image file. An index file is generated and this index file tracks the location of VBNs (virtual block numbers) in an image file so that the user can easily obtain the selected information from disk blocks that are identified by these VBNs.
    • 本发明的实施例提供了一种从图像文件中选择性地提取所选信息的方法,而不需要用户在目的地存储服务器上恢复具有文件系统的数据的图像文件。 选择的信息可以是例如文件的内容,目录的内容,来自图像文件的其他信息。 可以通过从已经存储在图像文件中的WAFL数据结构中读取文件的块来选择性地提取所选择的信息。 生成索引文件,该索引文件跟踪图像文件中的VBN(虚拟块号)的位置,以便用户可以从由这些VBN识别的磁盘块中轻松获取所选信息。