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1. 发明授权

US08631052B1 Efficient content meta-data collection and trace generation from deduplicated storage 有权
公开(公告)号：US08631052B1
公开(公告)日：2014-01-14
申请号：US13335746
申请日：2011-12-22
申请人： Philip Shilane , Grant Wallace , Frederick Douglis
发明人： Philip Shilane , Grant Wallace , Frederick Douglis
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30156
摘要： The method and apparatus collect file recipes from deduplicated data storage systems, the file recipes consist of a list of fingerprints of data chunks of a file. Detailed meta-data for each unique data chunk is also collected. In an offline process, research and analysis can be performed on either the meta-data itself or on a reconstruction of a full trace of meta-data constructed by matching recipe fingerprints to the corresponding meta-data. The method and system can generate the full meta-data trace efficiently in an on-line or off-line process. Typical deduplicated storage systems achieve 10× or higher deduplication rates, and the meta-data collection is faster than processing all of the original files and produces compact meta-data that is smaller to store.

2. 发明授权

US08667032B1 Efficient content meta-data collection and trace generation from deduplicated storage 有权
标题翻译：从重复数据删除的存储中高效内容元数据收集和跟踪生成
公开(公告)号：US08667032B1
公开(公告)日：2014-03-04
申请号：US13335750
申请日：2011-12-22
申请人： Philip Shilane , Grant Wallace , Frederick Douglis
发明人： Philip Shilane , Grant Wallace , Frederick Douglis
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30156 , G06F11/3034 , G06F11/3476 , G06F2201/83
摘要： The method and apparatus collect file recipes from deduplicated data storage systems, the file recipes consist of a list of fingerprints of data chunks of a file. Detailed meta-data for each unique data chunk is also collected. In an offline process, research and analysis can be performed on either the meta-data itself or on a reconstruction of a full trace of meta-data constructed by matching recipe fingerprints to the corresponding meta-data. The method and system can generate the full meta-data trace efficiently in an on-line or off-line process. Typical deduplicated storage systems achieve 10× or higher deduplication rates, and the meta-data collection is faster than processing all of the original files and produces compact meta-data that is smaller to store.
摘要翻译：该方法和设备从重复数据删除的数据存储系统收集文件配方，文件配方由文件数据块指纹列表组成。还收集了每个唯一数据块的详细元数据。在离线过程中，可以对元数据本身进行研究和分析，也可以对通过将配方指纹与对应的元数据进行匹配而构建的完整的元数据轨迹进行重构。该方法和系统可以在线或离线过程中有效地生成完整的元数据跟踪。典型的重复数据删除存储系统实现10倍或更高的重复数据删除率，元数据收集比处理所有原始文件更快，并生成较小存储的紧凑型元数据。

3. 发明授权

US08751448B1 State-based directing of segments in a multinode deduplicated storage system 有权
标题翻译：在多节点重复数据删除的存储系统中基于状态的段指导
公开(公告)号：US08751448B1
公开(公告)日：2014-06-10
申请号：US12653313
申请日：2009-12-11
申请人： Frederick Douglis , Philip Shilane , R. Hugo Patterson
发明人： Frederick Douglis , Philip Shilane , R. Hugo Patterson
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30156 , G06F3/0608 , G06F3/0641 , G06F3/0689 , G06F17/30097 , G06F17/30153
摘要： A system for directing for storage includes a processor and a memory. The processor is configured to determine a segment overlap for each of a plurality of nodes. The processor is further configured to determine a selected node of the plurality of nodes based at least in part on the segment overlap for each of the plurality of nodes and based at least in part on a selection criteria. The memory is coupled to the processor and configured to provide the processor with instructions.
摘要翻译：用于引导存储的系统包括处理器和存储器。处理器被配置为确定多个节点中的每一个的段重叠。处理器还被配置为至少部分地基于多个节点中的每个节点的段重叠来确定多个节点中的选定节点，并且至少部分地基于选择标准。存储器耦合到处理器并且被配置为向处理器提供指令。

4. 发明授权

US08914338B1 Out-of-core similarity matching 有权
标题翻译：核心外相似度匹配
公开(公告)号：US08914338B1
公开(公告)日：2014-12-16
申请号：US13335416
申请日：2011-12-22
申请人： Grant Wallace , Philip N. Shilane , Frederick Douglis
发明人： Grant Wallace , Philip N. Shilane , Frederick Douglis
IPC分类号： G06F17/30
CPC分类号： G06F17/30153 , G06F3/0641 , G06F17/3007 , G06F17/3015 , G06F17/30156 , G06F17/30159 , G06F17/30312 , G06F17/30489
摘要： A method for storing data in a data storage system by partitioning the data into a plurality of data chunks and generating representative data for each of the plurality of chunks by applying a predetermined algorithm to each chunk of the plurality of chunks. Subsequently, the representative data is compared and sorted. Representative data for base data chunks and representative data for other data chunks that can be stored relative to the base data chunks are identified by evaluating the sorted set of representative data. Finally, each of the other data chunks identified as those that can be stored relative to a base data chunk are stored in the data storage system as the difference between the data chunk and a base data chunk.
摘要翻译：一种通过将数据分割为多个数据块并通过对多个块的每个块应用预定算法来生成多个块中的每一个块的代表数据来将数据存储在数据存储系统中的方法。随后，比较和分类代表数据。通过评估排序的代表数据集来识别基本数据块的代表数据和可以相对于基本数据块存储的其他数据块的代表数据。最后，将被识别为能够相对于基本数据块存储的其他数据块中的每一个存储在数据存储系统中作为数据块和基本数据块之间的差异。

5. 发明授权

US08825626B1 Method and system for detecting unwanted content of files 有权
标题翻译：用于检测不需要的文件内容的方法和系统
公开(公告)号：US08825626B1
公开(公告)日：2014-09-02
申请号：US13216020
申请日：2011-08-23
申请人： Grant Wallace , Philip N. Shilane , Frederick Douglis
发明人： Grant Wallace , Philip N. Shilane , Frederick Douglis
IPC分类号： G06F17/30
CPC分类号： G06F17/30994
摘要： Techniques for detecting unwanted data are described herein. In one embodiment, a request is received for storing a data object in a storage system from a client over a network, where the request includes first representative data representing the data object without including actual content of the data object. It is detected whether the data object contains unwanted content by comparing the first representative data with second representative data without accessing the actual content of the data object, where the second representative data represents the unwanted content. A response is transmitted to the client over the network indicating whether the data object is likely to contain the unwanted object based on comparison of the first and second representative data.
摘要翻译：本文描述了用于检测不需要的数据的技术。在一个实施例中，接收到用于通过网络从客户端将数据对象存储在存储系统中的请求，其中请求包括表示数据对象的第一代表数据，而不包括数据对象的实际内容。通过将第一代表数据与第二代表数据进行比较来检测数据对象是否包含不需要的内容，而不访问数据对象的实际内容，其中第二代表数据表示不需要的内容。基于第一和第二代表数据的比较，通过网络向客户端发送响应，指示数据对象是否可能包含不需要的对象。

6. 发明授权

US08756249B1 Method and apparatus for efficiently searching data in a storage system 有权
标题翻译：用于有效地搜索存储系统中的数据的方法和装置
公开(公告)号：US08756249B1
公开(公告)日：2014-06-17
申请号：US13216013
申请日：2011-08-23
申请人： Grant Wallace , Philip N. Shilane , Frederick Douglis
发明人： Grant Wallace , Philip N. Shilane , Frederick Douglis
IPC分类号： G06F17/30
CPC分类号： G06F17/30106
摘要： Techniques for searching data in a storage system are described herein. In one embodiment, in response to a request for searching target data in a storage system, first representative data for the target data being searched are generated by applying a predetermined algorithm to at least a portion of the target data. The first representative data are searched and compared with second representative data representing one or more data sets stored in the storage system. It is indicated a likelihood that the target data or similar content has been found in the storage system based on the search and comparison.
摘要翻译：本文描述了用于在存储系统中搜索数据的技术。在一个实施例中，响应于在存储系统中搜索目标数据的请求，通过将预定算法应用于目标数据的至少一部分来生成正在搜索的目标数据的第一代表数据。搜索第一代表数据并将其与表示存储在存储系统中的一个或多个数据集的第二代表数据进行比较。表示基于搜索和比较在存储系统中找到目标数据或类似内容的可能性。

7. 发明授权

US08712963B1 Method and apparatus for content-aware resizing of data chunks for replication 有权
标题翻译：用于内容感知调整数据块以进行复制的方法和装置
公开(公告)号：US08712963B1
公开(公告)日：2014-04-29
申请号：US13334723
申请日：2011-12-22
申请人： Frederick Douglis , Philip N. Shilane , Grant Wallace
发明人： Frederick Douglis , Philip N. Shilane , Grant Wallace
IPC分类号： G06F7/00 , G06F11/20 , H04L29/08
CPC分类号： G06F11/2056 , G06F11/2094 , G06F11/2097 , H04L67/1095 , H04L67/1097
摘要： Techniques for replicating data chunks in a storage system are described herein. In one embodiment, in response to a request for replicating data chunks of a source storage system having a first average chunk size to a target storage system having a second average chunk size, a new chunk size is determined based on metadata of the data chunks in view of an average chunk size of the target storage system. The data chunks are resized based on the new chunk size to generate resized data chunks. The resized data chunks are transmitted from the source storage system to the target storage system for replication.
摘要翻译：这里描述了用于在存储系统中复制数据块的技术。在一个实施例中，响应于将具有第一平均块大小的源存储系统的数据块复制到具有第二平均块大小的目标存储系统的请求，基于数据块的元数据来确定新的块大小查看目标存储系统的平均块大小。基于新的块大小对数据块进行大小调整，以生成调整大小的数据块。调整大小的数据块从源存储系统传输到目标存储系统进行复制。

8. 发明授权

US08639669B1 Method and apparatus for determining optimal chunk sizes of a deduplicated storage system 有权
标题翻译：用于确定重复数据消除的存储系统的最佳块大小的方法和装置
公开(公告)号：US08639669B1
公开(公告)日：2014-01-28
申请号：US13334732
申请日：2011-12-22
申请人： Frederick Douglis , Philip N. Shilane , Grant Wallace
发明人： Frederick Douglis , Philip N. Shilane , Grant Wallace
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F3/061 , G06F3/0641 , G06F3/067 , G06F11/2094 , G06F17/30159
摘要： Techniques for evaluating deduplication effectiveness of data chunks in a storage system are described herein. In one embodiment, metadata of first data chunks associated with a deduplicated storage system is examined, where the first data chunks have been partitioned according to a first chunk size. A second chunk size is calculated based on the examination of the metadata of first data chunks. Metadata of the first data chunks is merged according to the second chunk size to represent second data chunks to which the first data chunks would have been merged. A deduplication rate of the second data chunks is determined based on the merged metadata.
摘要翻译：这里描述了用于评估存储系统中的数据块的重复数据删除效率的技术。在一个实施例中，检查与重复数据消除的存储系统相关联的第一数据块的元数据，其中根据第一块大小对第一数据块进行了分区。基于对第一数据块的元数据的检查来计算第二块大小。根据第二块大小将第一数据块的元数据合并以表示第一数据块将被合并到的第二数据块。基于合并的元数据来确定第二数据块的重复数据删除率。

9. 发明授权

US09189408B1 System and method of offline annotation of future accesses for improving performance of backup storage system 有权
标题翻译：离线注释未来访问的系统和方法，以提高备份存储系统的性能
公开(公告)号：US09189408B1
公开(公告)日：2015-11-17
申请号：US13601885
申请日：2012-08-31
申请人： Frederick Douglis , Windsor W. Hsu , Xing Lin
发明人： Frederick Douglis , Windsor W. Hsu , Xing Lin
IPC分类号： G06F12/00 , G06F21/00 , G06F13/00 , G06F12/08 , G06F12/12
CPC分类号： G06F21/00 , G06F3/06 , G06F12/0866 , G06F12/0871 , G06F12/121 , G06F12/122 , G06F17/30132
摘要： A system and method of offline annotation of future access are disclosed. According to one embodiment, a request is received at a storage system to read a portion of a file stored in the storage system. In response to the request, chunks of the file are cached in a cache memory of the storage system. In response to a request for cache space reclamation, the system then determines future request to the file based in part on a next access auxiliary table (NAAT) associated with the file, which was created prior to receiving the request to read and stored in a persistent storage location of the storage system. Based on the determination, the system evicts from the cache memory at least one chunk of a read unit (RU) whose next access is a furthest among the cached chunks.
摘要翻译：披露了未来访问的离线注释的系统和方法。根据一个实施例，在存储系统处接收到请求以读取存储在存储系统中的文件的一部分。响应于该请求，该文件的块被高速缓存在存储系统的高速缓冲存储器中。响应于缓存空间回收的请求，系统部分地基于与文件相关联的下一个访问辅助表（NAAT）来确定对文件的将来请求，其在接收到读取和存储的请求之前创建存储系统的持久存储位置。基于该确定，系统从高速缓冲存储器中将读取单元（RU）的至少一个块从其高速缓冲存储器中的下一个访问最远的缓存存储器中逐出。

10. 发明授权

US08943193B2 Unified web hosting and content distribution system and method for assuring predetermined performance levels 有权
标题翻译：统一的网页托管和内容分发系统和方法，以确保预定的性能水平
公开(公告)号：US08943193B2
公开(公告)日：2015-01-27
申请号：US13439057
申请日：2012-04-04
申请人： Frederick Douglis , David H. Shur , Joseph M. Sommer , Jacobus E. Van Der Merwe
发明人： Frederick Douglis , David H. Shur , Joseph M. Sommer , Jacobus E. Van Der Merwe
IPC分类号： G06F15/173 , H04L12/24 , H04L12/26
CPC分类号： H04L43/0876 , H04L41/5003 , H04L41/5009 , H04L41/5083 , H04L43/16 , H04L43/50 , H04L61/1511 , H04L61/2007 , H04L67/02
摘要： A service model, integrated system, and method for enabling a service provider to deliver an integrated web hosting and content distribution service offering, which affords assured operational performance service levels, regardless of whether the customer's web site is served by the service provider's hosting center, the service provider's content distribution network (CDN), by a third party web host, or by a third party CDN. A monitoring system of the primary service provider receives detailed capacity and health statistics from any CDN under the operational control of the primary service provider, receives aggregate capacity and health statistics from other CDNs not under the operational control of the primary service provider. A redirection system then decides to which web host, content distribution network, or combination thereof, user requests for content are directed in order that operational performance service levels are maintained.
摘要翻译：一种服务模型，集成系统和方法，用于使服务提供商能够提供集成的网络托管和内容分发服务产品，其提供确保的运营性能服务水平，而不管客户的网站是否由服务提供商的托管中心服务，服务提供商的内容分发网络（CDN），由第三方网络主机或第三方CDN。主要服务提供商的监控系统在主要服务提供商的运营控制下，从任何CDN收到详细的容量和健康统计信息，从不受主要服务提供商运营控制的其他CDN接收总容量和健康统计数据。然后，重定向系统决定向哪个web主机，内容分发网络或其组合指导用户对内容的请求，以便维持操作性能服务级别。

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