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    • 1. 发明申请
    • DELETED DATA RECOVERY IN DATA STORAGE SYSTEMS
    • 在数据存储系统中删除数据恢复
    • US20130018852A1
    • 2013-01-17
    • US13184432
    • 2011-07-15
    • Leslie A. BartonGavin S. JohnsonMichael J. KoesterCarrie J. Van Noorden
    • Leslie A. BartonGavin S. JohnsonMichael J. KoesterCarrie J. Van Noorden
    • G06F17/30
    • G06F17/30117
    • In one embodiment, a system includes a data storage device for storing one or more storage volumes, logic adapted for associating an indicator with a data set on the one or more storage volumes, wherein the indicator is in a first state indicating that the data set is accessible, logic adapted for storing the indicator associated with the data set in a data set descriptor record, wherein the record is stored in at least one mapping of the one or more storage volumes, logic adapted for receiving a request to delete the data set, logic adapted for changing the indicator to a second state indicating that the data set is inaccessible in response to the request to delete the data set, with the proviso that the data set is unchanged, logic adapted for receiving a request to restore the deleted data set, and logic adapted for restoring the indicator from the second state to the first state in response to the request to restore the deleted data set.
    • 在一个实施例中,系统包括用于存储一个或多个存储卷的数据存储设备,适用于将指示符与一个或多个存储卷上的数据集相关联的逻辑,其中该指示符处于指示数据集 可访问的逻辑,适于将与数据集相关联的指示符存储在数据集描述符记录中,其中记录被存储在一个或多个存储卷的至少一个映射中,适于接收删除数据集的请求的逻辑 ,适于将所述指示符改变为指示所述数据集对于删除所述数据集的请求而不可访问的第二状态,条件是所述数据集不变,所述逻辑适于接收恢复所删除的数据的请求 设置和逻辑,用于响应于恢复所删除的数据集的请求,将指示符从第二状态恢复到第一状态。
    • 2. 发明授权
    • Deleted data recovery in data storage systems
    • 删除数据存储系统中的数据恢复
    • US08682867B2
    • 2014-03-25
    • US13184432
    • 2011-07-15
    • Leslie A. BartonGavin S. JohnsonMichael J. KoesterCarrie J. Van Noorden
    • Leslie A. BartonGavin S. JohnsonMichael J. KoesterCarrie J. Van Noorden
    • G06F7/00G06F17/00
    • G06F17/30117
    • A system includes a data storage device for storing storage volumes, logic adapted for associating an indicator with a data set on the storage volumes, the indicator being in a first state indicating that the data set is accessible, logic adapted for storing the indicator in a data set descriptor record that is stored in at least one mapping of the storage volumes, logic adapted for receiving a request to delete the data set, logic adapted for changing the indicator to a second state indicating that the data set is inaccessible in response to the request to delete the data set, with the proviso that the data set is unchanged, logic adapted for receiving a request to restore the deleted data set, and logic adapted for restoring the indicator from the second state to the first state in response to the request to restore the deleted data set.
    • 系统包括用于存储存储卷的数据存储装置,适于将指示符与存储卷上的数据集相关联的逻辑,指示符处于指示数据集可访问的第一状态,适于将指示符存储在 存储在所述存储卷的至少一个映射中的数据集描述符记录,适于接收删除所述数据集的请求的逻辑,适于将所述指示符改变为指示所述数据集响应于所述数据集不可访问的第二状态的逻辑 请求删除数据集,条件是数据集不变,适于接收恢复已删除数据集的请求的逻辑,以及适于根据请求将指示符从第二状态恢复到第一状态的逻辑 恢复已删除的数据集。