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    • 7. 发明申请
    • Automated File Recovery Based on Subsystem Error Detection Results
    • 基于子系统错误检测结果的自动文件恢复
    • US20090070539A1
    • 2009-03-12
    • US12204475
    • 2008-09-04
    • Nils HausteinUlf TroppensRainer Wolafka
    • Nils HausteinUlf TroppensRainer Wolafka
    • G06F12/16
    • G06F11/1435G06F11/1469
    • The present invention provides a method and system for performing file recovery in a computer system coupled to a storage subsystem, wherein a data scrubbing process analyzes said storage subsystem for potential or existing storage errors. The method includes: receiving a report from said data scrubbing process describing said errors, including logical block addresses (LBAs) of storage locations containing errors; interacting with a file system created on logical unit numbers (LUN) provided by said storage subsystem in order to identify file information pertaining to the erroneous LBAs; moving the file pertaining to said erroneous LBAs to a different storage location; updating pointers to said file; in case of an unrecoverable, accessing a backup copy of said file from a backup location; if a predetermined degree of error severity is exceeded, creating an additional copy of said file; and updating the pointers to said file managed by the file system, respectively.
    • 本发明提供了一种用于在耦合到存储子系统的计算机系统中执行文件恢复的方法和系统,其中数据擦除过程分析所述存储子系统的潜在或存在的存储错误。 该方法包括:从描述所述错误的所述数据擦除过程接收包括存在错误的存储位置的逻辑块地址(LBA)的报告; 与由所述存储子系统提供的逻辑单元编号(LUN)创建的文件系统进行交互,以便识别与所述错误的LBA有关的文件信息; 将与所述错误的LBA有关的文件移动到不同的存储位置; 更新指向所述文件的指针; 在不可恢复的情况下,从备份位置访问所述文件的备份副本; 如果超过预定程度的错误严重性,则创建所述文件的附加副本; 并分别更新由文件系统管理的指向所述文件的指针。
    • 9. 发明授权
    • Automated file recovery based on subsystem error detection results
    • 基于子系统错误检测结果的自动文件恢复
    • US07975171B2
    • 2011-07-05
    • US12204475
    • 2008-09-04
    • Nils HausteinUlf TroopensRainer Wolafka
    • Nils HausteinUlf TroopensRainer Wolafka
    • G06F11/00
    • G06F11/1435G06F11/1469
    • The present invention provides a method and system for performing file recovery in a computer system coupled to a storage subsystem, wherein a data scrubbing process analyzes said storage subsystem for potential or existing storage errors. The method includes: receiving a report from said data scrubbing process describing said errors, including logical block addresses (LBAs) of storage locations containing errors; interacting with a file system created on logical unit numbers (LUN) provided by said storage subsystem in order to identify file information pertaining to the erroneous LBAs; moving the file pertaining to said erroneous LBAs to a different storage location; updating pointers to said file; in case of an unrecoverable, accessing a backup copy of said file from a backup location; if a predetermined degree of error severity is exceeded, creating an additional copy of said file; and updating the pointers to said file managed by the file system, respectively.
    • 本发明提供了一种用于在耦合到存储子系统的计算机系统中执行文件恢复的方法和系统,其中数据擦除过程分析所述存储子系统的潜在或存在的存储错误。 该方法包括:从描述所述错误的所述数据擦除过程接收包括存在错误的存储位置的逻辑块地址(LBA)的报告; 与由所述存储子系统提供的逻辑单元编号(LUN)创建的文件系统进行交互,以便识别与所述错误的LBA有关的文件信息; 将与所述错误的LBA有关的文件移动到不同的存储位置; 更新指向所述文件的指针; 在不可恢复的情况下,从备份位置访问所述文件的备份副本; 如果超过预定程度的错误严重性,则创建所述文件的附加副本; 并分别更新由文件系统管理的指向所述文件的指针。