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1. 发明申请

WO2010033962A1 LOG STRUCTURED CONTENT ADDRESSABLE DEDUPLICATING STORAGE 审中-公开
标题翻译： LOG结构化内容可寻址的重复存储
公开(公告)号：WO2010033962A1
公开(公告)日：2010-03-25
申请号：PCT/US2009/057774
申请日：2009-09-22
申请人： RIVERBED TECHNOLOGY, INC. , MACE, James E. , PARAB, Nitin
发明人： MACE, James E. , PARAB, Nitin
IPC分类号： G06F17/00
CPC分类号： G06F11/1435 , G06F11/1471 , G06F11/1474 , G06F17/30156 , G06F17/30227
摘要： A log structured content addressable deduplicated data storage system may be used to store deduplicated data. Data to be stored is partitioned into data segments. Each unique data segment is associated with a label. The storage system maintains a transaction log. Mutating storage operations are initiated by storing transaction records in the transaction log. Additional transaction records are stored in the log when storage operations are completed. Upon restarting an embodiment of the data storage system, the transaction records from the transaction logs are replayed to recreate the state of the data storage system. The data storage system updates file system metadata with transaction information while a storage operation associated with the file is being processed. This transaction information serves as atomically updated transaction commit points, allowing fully internally consistent snapshots of deduplicated volumes to be taken at any time.
摘要翻译：可以使用日志结构化内容可寻址的重复数据删除数据存储系统来存储重复数据删除的数据。要存储的数据被分割成数据段。每个唯一数据段都与一个标签相关联。存储系统维护事务日志。通过将事务记录存储在事务日志中来启动变量存储操作。存储操作完成后，其他事务记录将存储在日志中。在重新启动数据存储系统的实施例时，重播来自事务日志的事务记录以重新创建数据存储系统的状态。数据存储系统在处理与文件相关联的存储操作的同时，用事务信息更新文件系统元数据。此事务信息用作原子更新的事务提交点，允许在任何时间完全内部一致地执行重复数据删除卷的快照。

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