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    • 2. 发明申请
    • USING A PER FILE ACTIVITY RATIO TO OPTIMALLY RELOCATE DATA BETWEEN VOLUMES
    • 使用每个文件活动比例来最佳地相互调整数据之间的数据
    • US20110106863A1
    • 2011-05-05
    • US12610175
    • 2009-10-30
    • Murthy V. MamidiKadir OzdemirCharles SilversPaul MassigliaAnindya BanerjeeRonald Karr
    • Murthy V. MamidiKadir OzdemirCharles SilversPaul MassigliaAnindya BanerjeeRonald Karr
    • G06F17/30
    • G06F17/30221G06F3/0649
    • A method for identifying data for relocation in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system, wherein The file system comprising least a first volume and a second volume. The method further includes updating the file location map in accordance with changes in a file change log for the file system, and identifying data residing on the first volume of the file system by scanning the file location map. Using the identified data, a ratio of per-file activity during a first time period relative to overall file system activity over a second time period is calculated to derive a file activity ratio for each of the files of the identified data. Files are then selected for relocation based on the file activity ratio.
    • 一种识别多卷文件系统中重定位数据的方法。 所述方法包括生成文件位置图,所述文件位置图包含在所述文件系统的多个卷中的每一个上占据空间的文件的位置的列表,其中所述文件系统包括至少第一卷和第二卷。 该方法还包括根据文件系统的文件更改日志的更改来更新文件位置图,以及通过扫描文件位置图来识别驻留在文件系统的第一卷上的数据。 使用所识别的数据,计算在第一时间段内相对于第二时间段内的整体文件系统活动的每文件活动的比率,以导出所识别的数据的每个文件的文件活动比率。 然后根据文件活动率选择文件进行重定位。
    • 3. 发明授权
    • Using a per file activity ratio to optimally relocate data between volumes
    • 使用每个文件活动比率来最佳地重新定位卷之间的数据
    • US08732217B2
    • 2014-05-20
    • US12610175
    • 2009-10-30
    • Murthy V. MamidiKadir OzdemirCharles SilversPaul MassigliaAnindya BanerjeeRonald Karr
    • Murthy V. MamidiKadir OzdemirCharles SilversPaul MassigliaAnindya BanerjeeRonald Karr
    • G06F7/76G06F12/02
    • G06F17/30221G06F3/0649
    • A method for identifying data for relocation in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system, wherein The file system comprising least a first volume and a second volume. The method further includes updating the file location map in accordance with changes in a file change log for the file system, and identifying data residing on the first volume of the file system by scanning the file location map. Using the identified data, a ratio of per-file activity during a first time period relative to overall file system activity over a second time period is calculated to derive a file activity ratio for each of the files of the identified data. Files are then selected for relocation based on the file activity ratio.
    • 一种识别多卷文件系统中重定位数据的方法。 所述方法包括生成文件位置图,所述文件位置图包含在所述文件系统的多个卷中的每一个上占据空间的文件的位置的列表,其中所述文件系统包括至少第一卷和第二卷。 该方法还包括根据文件系统的文件更改日志的更改来更新文件位置图,以及通过扫描文件位置图来识别驻留在文件系统的第一卷上的数据。 使用所识别的数据,计算在第一时间段内相对于第二时间段内的整体文件系统活动的每文件活动的比率,以导出所识别的数据的每个文件的文件活动比率。 然后根据文件活动率选择文件进行重定位。