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    • 4. 发明授权
    • Data management in solid state storage devices
    • 固态存储设备中的数据管理
    • US09176817B2
    • 2015-11-03
    • US13617571
    • 2012-09-14
    • Roy D. CideciyanEvangelos S. EleftheriouRobert HaasXiao-Yu HuIlias Iliadis
    • Roy D. CideciyanEvangelos S. EleftheriouRobert HaasXiao-Yu HuIlias Iliadis
    • G11C29/00G06F11/10H03M13/05
    • G06F11/108G06F11/1008G06F11/1068H03M13/05
    • A mechanism is provided for controlling a solid state storage device in which the solid state storage comprises erasable blocks each comprising a plurality of data write locations. Input data is stored in successive groups of data write locations, each group comprising write locations in a set of erasable blocks in each of a plurality of logical subdivisions of the solid state storage. The input data is error correction encoded such that each group contains an error correction code for the input data in that group. Metadata, indicating the location of input data in the solid state storage, is maintained in memory. An indication of validity of data stored in each data write location is also maintained. Prior to erasing a block, valid input data is recovered from the group containing write locations in that block. The recovered data is then re-stored as new input data.
    • 提供一种用于控制固态存储装置的机构,其中固态存储器包括每个包括多个数据写入位置的可擦除块。 输入数据被存储在连续的数据写入位置组中,每个组包括在固态存储器的多个逻辑分区中的每一个中的一组可擦除块中的写入位置。 输入数据被纠错编码,使得每个组包含用于该组中的输入数据的纠错码。 指示固态存储器中的输入数据的位置的元数据被保存在存储器中。 还保持了存储在每个数据写入位置中的数据的有效性的指示。 在擦除块之前,从包含该块中的写入位置的组中恢复有效的输入数据。 然后将恢复的数据重新存储为新的输入数据。
    • 8. 发明授权
    • Renewal management for data items
    • 数据项更新管理
    • US08681990B2
    • 2014-03-25
    • US12411791
    • 2009-03-26
    • Christian CachinPatrick DrozRobert HaasXiao-Yu HuIlias IliadisRené A. Pawlitzek
    • Christian CachinPatrick DrozRobert HaasXiao-Yu HuIlias IliadisRené A. Pawlitzek
    • H04L9/00
    • H04L9/0891G06F11/1461G06F21/6209G06F2221/2151
    • A system, method apparatus, and computer readable medium for managing renewal of a dynamic set of data items. Each data item has an associated renewal deadline, in a data item management system. A renewal schedule allocates to each data item a renewal interval for renewal of the data item. On addition of a new data item, if a potential renewal interval having a duration required for renewal of the data item, and having an ending at the renewal deadline for that item does not overlap a time period in the schedule during which the system is busy, the renewal schedule is automatically updated by allocating the potential renewal interval to the new data item. If the potential renewal interval does overlap a busy period, the renewal schedule is automatically updated by selecting an earlier renewal interval for at least one data item in the set.
    • 一种用于管理动态数据项集的更新的系统,方法装置和计算机可读介质。 在数据项管理系统中,每个数据项具有关联的更新期限。 更新计划为每个数据项分配更新数据项的更新间隔。 在添加新数据项时,如果具有更新数据项所需的持续时间并且在该项目的更新期限结束的潜在更新间隔与系统正忙期间的调度中的时间段不重叠 ,通过将潜在的更新间隔分配给新的数据项来自动更新更新计划。 如果潜在的更新间隔与繁忙期间重叠,则通过为集合中的至少一个数据项选择较早的更新间隔来自动更新更新计划。