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    • 6. 发明授权
    • Decoupled data stream and access structures
    • 解耦数据流和访问结构
    • US07930559B1
    • 2011-04-19
    • US11480346
    • 2006-06-30
    • Arthur BeaversonBin YangJamie Pocas
    • Arthur BeaversonBin YangJamie Pocas
    • G06F11/28
    • G06F17/30368G06F11/1448G06F11/1453G06F11/1456G06F11/1458G06F11/1461
    • Described are techniques for storing data. A plurality of data portions and a corresponding token for each of the data portions are received. Each of said plurality of data portions is to be stored by one of a plurality of processes and each token has a corresponding token value. Each of the data portions is stored at a storage location on a device allocated for use by one of said plurality of processes. An entry is written in a log file in accordance with said storing of the data portion. The log file is a private log file of one of the plurality processes. An access structure used to access stored data portions is updated. The access structure is indexed by token values of the stored data portions. The updating of the access structure is performed in accordance with log entries from private log files of the plurality of processes.
    • 描述了用于存储数据的技术。 接收用于每个数据部分的多个数据部分和相应的令牌。 所述多个数据部分中的每一个将通过多个进程中的一个进行存储,并且每个令牌具有对应的令牌值。 每个数据部分被存储在被分配供所述多个进程之一使用的设备上的存储位置处。 根据所述数据部分的存储,将条目写入日志文件。 日志文件是多个进程之一的专用日志文件。 用于访问存储的数据部分的访问结构被更新。 访问结构由存储的数据部分的令牌值索引。 根据多个进程的专用日志文件的日志条目执行访问结构的更新。
    • 7. 发明授权
    • Techniques for performing a restoration operation using device scanning
    • 使用设备扫描执行恢复操作的技术
    • US07685171B1
    • 2010-03-23
    • US11525283
    • 2006-09-22
    • Arthur BeaversonMatthew R. McDanielMichael W. Healey, Jr.
    • Arthur BeaversonMatthew R. McDanielMichael W. Healey, Jr.
    • G06F12/00G06F17/30
    • G06F11/1451G06F11/1417G06F11/1464G06F11/1469Y10S707/99953
    • Described are techniques for performing restoration processing for a data segment. A list of tokens is received. The list represents a first data state of said data segment. Each of the tokens correspond to a data portion of said data segment. Data portions of the data segment are scanned. A token is determined for each data portion. The token represents the data currently stored in said data segment at said each data portion. For each data portion of said data segment, it is determined whether a first token from said list associated with said each data portion is different from a second token associated with said each data portion. The second token is determined as part of said scanning and corresponds to data currently stored at said each data portion. Each data portion of the data segment determined to have a first token that is different from a second token representing data currently stored at said each data portion is restored.
    • 描述了用于执行数据段的恢复处理的技术。 收到令牌列表。 列表表示所述数据段的第一数据状态。 每个令牌对应于所述数据段的数据部分。 扫描数据段的数据部分。 为每个数据部分确定令牌。 令牌表示在所述每个数据部分处当前存储在所述数据段中的数据。 对于所述数据段的每个数据部分,确定与所述每个数据部分相关联的来自所述列表的第一令牌是否与与所述每个数据部分相关联的第二令牌不同。 第二令牌被确定为所述扫描的一部分,并且对应于当前存储在所述每个数据部分的数据。 被确定为具有与表示当前存储在所述每个数据部分的数据的第二令牌不同的第一令牌的数据段的每个数据部分被恢复。