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    • 8. 发明授权
    • Dynamic resource commitment management
    • 动态资源承诺管理
    • US08479211B1
    • 2013-07-02
    • US12826572
    • 2010-06-29
    • Bradley E. MarshallSwaminathan SivasubramanianTate Andrew CertainNicholas J. Maniscalco
    • Bradley E. MarshallSwaminathan SivasubramanianTate Andrew CertainNicholas J. Maniscalco
    • G06F9/46G06F17/30
    • G06F17/30094G06F9/5077G06F11/14
    • Various aspects of a data volume or other shared resource are determined and updated dynamically for purposes such as to provide guaranteed qualities of service. For example, the number of partitions in a data volume and/or the way in which data is stored across those partitions can be updated dynamically without significantly impacting the customer using the volume. The data stored to the volume can be striped or otherwise distributed across a number of logical areas, which then can be distributed across the partitions. Separate mappings can be used for the data in each logical area, and the logical areas in each partition, such that when moving a logical area only a single mapping has to be updated, regardless of the amount of data in that logical area. Further, logical areas can be moved between partitions without the need to repartition or redistributed the data in the data volume.
    • 确定和更新数据卷或其他共享资源的各个方面以便提供保证的服务质量等目的。 例如,数据卷中的分区数量和/或跨这些分区存储数据的方式可以动态更新,而不会对使用该卷的客户造成明显的影响。 存储到卷的数据可以被分段或分布在多个逻辑区域上,然后可以分布在分区上。 可以对每个逻辑区域中的数据和每个分区中的逻辑区域使用单独的映射,使得当移动逻辑区域时,只需要更新单个映射,而不管该逻辑区域中的数据量如何。 此外,逻辑区域可以在分区之间移动,而不需要重新分区或重新分配数据卷中的数据。