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1. 发明授权

US08805837B2 Alternate data stream cache for file classification 有权
标题翻译：用于文件分类的备用数据流缓存
公开(公告)号：US08805837B2
公开(公告)日：2014-08-12
申请号：US12605451
申请日：2009-10-26
申请人： Clyde Law , Paul Adrian Oltean , Ran Kalach , Nir Ben-Zvi , Matthias H. Wollnik
发明人： Clyde Law , Paul Adrian Oltean , Ran Kalach , Nir Ben-Zvi , Matthias H. Wollnik
IPC分类号： G06F17/30
CPC分类号： G06F17/30115 , G06F17/30598
摘要： Described is caching classification-related metadata for a file in an alternate data stream of that file. When a file is classified (e.g., for data management), the classification properties are cached in association with the file, along with classification-related metadata that indicates the state of the file at the time of caching. The classification-related metadata in the alternate data stream is then useable in determining whether the classification properties are valid and up-to-date when next accessed, or whether the file needs to be reclassified. If the properties are valid and up-to-date, they may be used without requiring the computationally costly steps of reclassification. Also described is using more than one alternate data stream for the cache, and extending the classification-related metadata through a defined extension mechanism.
摘要翻译：描述了该文件的备用数据流中文件的缓存分类相关元数据。当文件被分类（例如，用于数据管理）时，分类属性与文件相关联地缓存，以及指示缓存时文件状态的分类相关元数据。备用数据流中的分类相关元数据可用于确定下次访问时分类属性是否有效和最新，还是文件是否需要重新分类。如果属性是有效和最新的，则可以使用它们，而不需要重新分类的计算上昂贵的步骤。还描述了为缓存使用多于一个备用数据流，并通过定义的扩展机制来扩展与分类有关的元数据。

2. 发明申请

US20110099152A1 ALTERNATE DATA STREAM CACHE FOR FILE CLASSIFICATION 有权
标题翻译：用于文件分类的替代数据流缓存
公开(公告)号：US20110099152A1
公开(公告)日：2011-04-28
申请号：US12605451
申请日：2009-10-26
申请人： Clyde Law , Paul Adrian Oltean , Ran Kalach , Nir Ben-Zvi , Matthias H. Wollnik
发明人： Clyde Law , Paul Adrian Oltean , Ran Kalach , Nir Ben-Zvi , Matthias H. Wollnik
IPC分类号： G06F17/00 , G06F12/00 , G06F12/08
CPC分类号： G06F17/30115 , G06F17/30598
摘要： Described is caching classification-related metadata for a file in an alternate data stream of that file. When a file is classified (e.g., for data management), the classification properties are cached in association with the file, along with classification-related metadata that indicates the state of the file at the time of caching. The classification-related metadata in the alternate data stream is then useable in determining whether the classification properties are valid and up-to-date when next accessed, or whether the file needs to be reclassified. If the properties are valid and up-to-date, they may be used without requiring the computationally costly steps of reclassification. Also described is using more than one alternate data stream for the cache, and extending the classification-related metadata through a defined extension mechanism.
摘要翻译：描述了该文件的备用数据流中文件的缓存分类相关元数据。当文件被分类（例如，用于数据管理）时，分类属性与文件相关联地缓存，以及指示缓存时文件状态的分类相关元数据。备用数据流中的分类相关元数据可用于确定下次访问时分类属性是否有效和最新，还是文件是否需要重新分类。如果属性是有效和最新的，则可以使用它们，而不需要重新分类的计算上昂贵的步骤。还描述了为缓存使用多于一个备用数据流，并通过定义的扩展机制来扩展与分类有关的元数据。

3. 发明授权

US09038168B2 Controlling resource access based on resource properties 有权
标题翻译：基于资源属性控制资源访问
公开(公告)号：US09038168B2
公开(公告)日：2015-05-19
申请号：US12622441
申请日：2009-11-20
申请人： Nir Ben-Zvi , Raja Pazhanivel Perumal , Anders Samuelsson , Jeffrey B. Hamblin , Ran Kalach , Ziquan Li , Matthias H. Wollnik , Clyde Law , Paul Adrian Oltean
发明人： Nir Ben-Zvi , Raja Pazhanivel Perumal , Anders Samuelsson , Jeffrey B. Hamblin , Ran Kalach , Ziquan Li , Matthias H. Wollnik , Clyde Law , Paul Adrian Oltean
IPC分类号： G06F12/14 , G06F21/62
CPC分类号： G06F21/6218 , G06F2221/2141
摘要： Described is a technology by which access to a resource is determined by evaluating a resource label of the resource against a user claim of an access request, according to policy decoupled from the resource. The resource may be a file, and the resource label may be obtained by classifying the file into classification properties, such that a change to the file may change its resource label, thereby changing which users have access to the file. The resource label-based access evaluation may be logically combined with a conventional ACL-based access evaluation to determine whether to grant or deny access to the resource.
摘要翻译：描述了根据从资源分离的策略来评估资源的资源标签以针对访问请求的用户权利要求来确定对资源的访问的技术。资源可以是文件，并且可以通过将文件分类为分类属性来获得资源标签，使得文件的改变可以改变其资源标签，从而改变哪些用户有权访问该文件。基于资源标签的访问评估可以逻辑地与传统的基于ACL的访问评估组合以确定是否授予或拒绝对资源的访问。

4. 发明申请

US20110126281A1 Controlling Resource Access Based on Resource Properties 有权
标题翻译：基于资源属性控制资源访问
公开(公告)号：US20110126281A1
公开(公告)日：2011-05-26
申请号：US12622441
申请日：2009-11-20
申请人： Nir Ben-Zvi , Raja Pazhanivel Perumal , Anders Samuelsson , Jeffrey B. Hamblin , Ran Kalach , Ziquan Li , Matthias H. Wollnik , Clyde Law , Paul Adrian Oltean
发明人： Nir Ben-Zvi , Raja Pazhanivel Perumal , Anders Samuelsson , Jeffrey B. Hamblin , Ran Kalach , Ziquan Li , Matthias H. Wollnik , Clyde Law , Paul Adrian Oltean
IPC分类号： G06F21/00 , G06F12/14
CPC分类号： G06F21/6218 , G06F2221/2141
摘要： Described is a technology by which access to a resource is determined by evaluating a resource label of the resource against a user claim of an access request, according to policy decoupled from the resource. The resource may be a file, and the resource label may be obtained by classifying the file into classification properties, such that a change to the file may change its resource label, thereby changing which users have access to the file. The resource label-based access evaluation may be logically combined with a conventional ACL-based access evaluation to determine whether to grant or deny access to the resource.
摘要翻译：描述了根据从资源分离的策略来评估资源的资源标签以针对访问请求的用户权利要求来确定对资源的访问的技术。资源可以是文件，并且可以通过将文件分类为分类属性来获得资源标签，使得文件的改变可以改变其资源标签，从而改变哪些用户有权访问该文件。基于资源标签的访问评估可以逻辑地与传统的基于ACL的访问评估组合以确定是否授予或拒绝对资源的访问。

5. 发明申请

US20100274750A1 Data Classification Pipeline Including Automatic Classification Rules 审中-公开
标题翻译：数据分类管理包括自动分类规则
公开(公告)号：US20100274750A1
公开(公告)日：2010-10-28
申请号：US12427755
申请日：2009-04-22
申请人： Paul Adrian Oltean , Clyde Law , Judd Hardy , Nir Ben-Zvi , Ran Kalach
发明人： Paul Adrian Oltean , Clyde Law , Judd Hardy , Nir Ben-Zvi , Ran Kalach
IPC分类号： G06N5/02
CPC分类号： G06F16/16 , G06F16/122
摘要： Described is a technology in which data items (e.g., files) are processed through an extensible data processing pipeline, including a classification pipeline, to facilitate management of the data items based upon their classifications. A discovery module locates data items to process. An independent classification pipeline obtains metadata (properties) associated with each discovered data item, and one or more classifiers classify the data item based on the metadata. An independent policy module applies policy to each data item based upon its classification. Multiple classifiers may be invoked, based upon various criteria. Predefined ordering of the classifiers, authoritative classifiers and/or an aggregation mechanism handle any classification conflicts. Different types of classifiers may be provided, and each classifier may correspond to automatic classification rules; the classifier may directly change a property, (e.g., set the classification) or return a result to a corresponding rule mechanism for changing a property.
摘要翻译：描述了一种技术，其中通过包括分类流水线的可扩展数据处理流水线处理数据项（例如文件），以便于基于它们的分类来管理数据项。发现模块定位要处理的数据项。独立分类管道获取与每个发现的数据项相关联的元数据（属性），并且一个或多个分类器基于元数据对数据项进行分类。独立的策略模块根据分类对每个数据项应用策略。可以基于各种标准来调用多个分类器。分类器，权威分类器和/或聚合机制的预定义排序可以处理任何分类冲突。可以提供不同类型的分类器，并且每个分类器可以对应于自动分类规则; 分类器可以直接改变属性（例如，设置分类）或将结果返回到用于改变属性的相应规则机制。

6. 发明授权

US10394757B2 Scalable chunk store for data deduplication 有权
公开(公告)号：US10394757B2
公开(公告)日：2019-08-27
申请号：US12949391
申请日：2010-11-18
申请人： Chun Ho (Ian) Cheung , Paul Adrian Oltean , Ran Kalach , Abhishek Gupta , James Robert Benton , Ronakkumar Desai
发明人： Chun Ho (Ian) Cheung , Paul Adrian Oltean , Ran Kalach , Abhishek Gupta , James Robert Benton , Ronakkumar Desai
IPC分类号： G06F16/11 , G06F16/174
摘要： Data streams may be stored in a chunk store in the form of stream maps and data chunks. Data chunks corresponding to a data stream may be stored in a chunk container, and a stream map corresponding to the data stream may point to the data chunks in the chunk container. Multiple stream maps may be stored in a stream container, and may point to the data chunks in the chunk container in a manner that duplicate data chunks are not present. Techniques are provided herein for localizing the storage of related data chunks in such chunk containers, for locating data chunks stored in chunk containers, for storing data streams in chunk stores in localized manners that enhance locality and decrease defragmentation, and for reorganizing stored data streams in chunks stores.

7. 发明授权

US08990171B2 Optimization of a partially deduplicated file 有权
标题翻译：优化部分重复数据删除的文件
公开(公告)号：US08990171B2
公开(公告)日：2015-03-24
申请号：US13223484
申请日：2011-09-01
申请人： Ran Kalach , Kashif Hasan , Paul Adrian Oltean , James Robert Benton , Chun Ho Cheung , Abhishek Gupta
发明人： Ran Kalach , Kashif Hasan , Paul Adrian Oltean , James Robert Benton , Chun Ho Cheung , Abhishek Gupta
IPC分类号： G06F17/30
CPC分类号： G06F17/30159
摘要： The subject disclosure is directed towards transforming a file having at least one undeduplicated portion into a fully deduplicated file. For each of the at least one undeduplicated portion, a deduplication mechanism defines at least one chunk between file offsets associated with the at least one undeduplicated portion. Chunk boundaries associated with the at least one chunk are stored within deduplication metadata. The deduplication mechanism aligns the at least one chunk with chunk boundaries of at least one deduplicated portion of the file. Then, the at least one chunk is committed to a chunk store.
摘要翻译：主题公开涉及将具有至少一个未重复部分的文件变换为完全重复数据删除的文件。对于所述至少一个未经复制的部分中的每一个，重复数据删除机制定义与所述至少一个未经复制的部分相关联的文件偏移之间的至少一个块。与至少一个块相关联的块边界存储在重复数据删除元数据中。重复数据删除机制将至少一个块与文件的至少一个重复数据删除部分的块边界对齐。然后，至少一个块被提交到一个块存储。

8. 发明授权

US08380681B2 Extensible pipeline for data deduplication 有权
标题翻译：用于重复数据删除的可扩展管道
公开(公告)号：US08380681B2
公开(公告)日：2013-02-19
申请号：US12970839
申请日：2010-12-16
申请人： Paul Adrian Oltean , Ran Kalach , Ahmed M. El-Shimi , James Robert Benton
发明人： Paul Adrian Oltean , Ran Kalach , Ahmed M. El-Shimi , James Robert Benton
IPC分类号： G06F17/00
CPC分类号： G06F17/30091 , G06F17/3007
摘要： The subject disclosure is directed towards data deduplication (optimization) performed by phases/modules of a modular data deduplication pipeline. At each phase, the pipeline allows modules to be replaced, selected or extended, e.g., different algorithms can be used for chunking or compression based upon the type of data being processed. The pipeline facilitates secure data processing, batch processing, and parallel processing. The pipeline is tunable based upon feedback, e.g., by selecting modules to increase deduplication quality, performance and/or throughput. Also described is selecting, filtering, ranking, sorting and/or grouping the files to deduplicate, e.g., based upon properties and/or statistical properties of the files and/or a file dataset and/or internal or external feedback.
摘要翻译：主题公开针对由模块化重复数据消除管道的阶段/模块执行的重复数据删除（优化）。在每个阶段，流水线允许模块被替换，选择或扩展，例如，可以根据所处理的数据类型将不同的算法用于分组或压缩。该管道有助于安全数据处理，批量处理和并行处理。基于反馈可以调整流水线，例如通过选择模块来增加重复数据删除的质量，性能和/或吞吐量。还描述的是，例如基于文件和/或文件数据集和/或内部或外部反馈的属性和/或统计属性来选择，过滤，排序和/或分组文件以进行重复数据删除。

9. 发明授权

US07401089B2 Storage reports file system scanner 有权
标题翻译：存储报告文件系统扫描器
公开(公告)号：US07401089B2
公开(公告)日：2008-07-15
申请号：US11206425
申请日：2005-08-17
申请人： James R. Benton , Ran Kalach , Paul Adrian Oltean , Sarosh C. Havewala
发明人： James R. Benton , Ran Kalach , Paul Adrian Oltean , Sarosh C. Havewala
IPC分类号： G06F17/30
CPC分类号： G06F17/30067 , Y10S707/99942
摘要： Described is a storage reports scanner that works to generate reports of storage usage in computer systems in an efficient manner. The scanner receives a set of namespaces for a file system volume from a storage reports engine. The scanner scans file system metadata to construct a directory table of entries corresponding to a directory tree of nodes representative of the hierarchy of directories of the file system volume. Each node corresponding to a namespace in the namespace set is marked as included. A second scan of the file system metadata determines, for each file, whether that file is in or under an included directory by accessing the directory table. For each file that is in or is under an included directory, file information is returned to the engine. The engine may request the scanner to provide full path information, which the scanner determines via the directory table.
摘要翻译：描述了一种存储报告扫描器，用于以有效的方式生成计算机系统中的存储使用的报告。扫描仪从存储报告引擎接收一组文件系统卷的命名空间。扫描仪扫描文件系统元数据以构成与表示文件系统卷的目录的层次结构的节点的目录树相对应的条目的目录表。与命名空间集中的命名空间相对应的每个节点都被标记为包含。对于每个文件，文件系统元数据的第二次扫描是通过访问目录表来确定该文件是否在所包含的目录中或之下。对于位于或位于所包含的目录中的每个文件，文件信息将返回引擎。引擎可以请求扫描仪提供完整路径信息，扫描仪通过目录表确定。

10. 发明授权

US09823981B2 Backup and restore strategies for data deduplication 有权
公开(公告)号：US09823981B2
公开(公告)日：2017-11-21
申请号：US13045692
申请日：2011-03-11
申请人： Ran Kalach , Chun Ho (Ian) Cheung , Paul Adrian Oltean , Mathew James Dickson
发明人： Ran Kalach , Chun Ho (Ian) Cheung , Paul Adrian Oltean , Mathew James Dickson
IPC分类号： G06F11/14 , G06F3/06
CPC分类号： G06F11/1469 , G06F3/0641 , G06F11/1451 , G06F11/1453
摘要： Techniques for backup and restore of optimized data streams are described. A chunk store includes each optimized data stream as a plurality of chunks including at least one data chunk and corresponding optimized stream metadata. The chunk store includes data chunks in a deduplicated manner. Optimized data streams stored in the chunk store are identified for backup. At least a portion of the chunk store is stored in backup storage according to an optimized backup technique, an un-optimized backup technique, an item level backup technique, or a data chunk identifier backup technique. Optimized data streams stored in the backup storage may be restored. A file reconstructor includes a callback module that generates calls to a restore application to request optimized stream metadata and any referenced data chunks from the backup storage. The file reconstructor reconstructs the data streams from the referenced data chunks.

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