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1. 发明授权

US07689633B1 Network file system-based data storage system 有权
标题翻译：基于网络文件系统的数据存储系统
公开(公告)号：US07689633B1
公开(公告)日：2010-03-30
申请号：US10942174
申请日：2004-09-15
申请人： Kai Li , R. Hugo Patterson , Ming Benjamin Zhu , Allan Bricker , Richard Johnsson , Sazzala Reddy , Jeffery Zabarsky
发明人： Kai Li , R. Hugo Patterson , Ming Benjamin Zhu , Allan Bricker , Richard Johnsson , Sazzala Reddy , Jeffery Zabarsky
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30067 , G06F3/0608 , G06F3/0641 , G06F3/0659 , G06F3/067
摘要： A network file system-based data storage system that converts random I/O requests into a piecewise sequential data structure to facilitate variable length data segment redundancy identification and elimination. For one embodiment of the invention a stateless network file system is employed. For one such embodiment, that provides multiple-client access to stored data, multiple Writes are buffered and then broken into variable length data segments. Redundant segment elimination is then effected. One embodiment of the invention allows sharing of the variable length data segments among files.
摘要翻译：一种基于网络文件系统的数据存储系统，可将随机I / O请求转换为分段顺序数据结构，以便可变长度的数据段冗余识别和消除。对于本发明的一个实施例，采用无状态网络文件系统。对于一个这样的实施例，其提供对存储的数据的多客户端访问，多个写入被缓冲，然后被分解成可变长度的数据段。然后进行冗余段消除。本发明的一个实施例允许在文件之间共享可变长度数据段。

2. 发明申请

US20080256143A1 Cluster storage using subsegmenting 有权
标题翻译：使用分段进行群集存储
公开(公告)号：US20080256143A1
公开(公告)日：2008-10-16
申请号：US11824592
申请日：2007-06-29
申请人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
发明人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
IPC分类号： G06F17/30 , G06F12/16
CPC分类号： G06F3/0604 , G06F3/0644 , G06F3/0683 , G06F17/30091 , G06F17/30138 , G06F17/3015 , G06F17/30312 , G06F17/30489
摘要： Cluster storage is disclosed. A data stream or a data block is received. The data stream or the data block is broken into segments. For each segment, a cluster node is selected, and a portion of the segment smaller than the segment is identified that is a duplicate of a portion of a segment already managed by the cluster node.
摘要翻译：公开集群存储。接收数据流或数据块。数据流或数据块被分成段。对于每个段，选择群集节点，并且识别小于段的段的一部分，其是已经由群集节点管理的段的一部分的副本。

3. 发明授权

US08700578B1 System and method for determining physical storage space 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物理存储空间的系统和方法
公开(公告)号：US08700578B1
公开(公告)日：2014-04-15
申请号：US13629573
申请日：2012-09-27
申请人： Srikant Varadan , Dheer Moghe , Sazzala Reddy
发明人： Srikant Varadan , Dheer Moghe , Sazzala Reddy
IPC分类号： G06F17/30
CPC分类号： G06F17/3015
摘要： Exemplary methods, apparatuses, and systems maintain a plurality of summary data structures corresponding to a plurality of logical file system namespaces representing a plurality of hierarchies of one or more directories having one or more files, each file being stored in the storage system as a plurality of segments in a deduplicated manner. In response to a request to estimate a storage usage by a first of the file system namespace, identify a first of the summary data structures corresponding to the first file system namespace, wherein the first summary data structure stores information summarizing deduplicated segments referenced by one or more files of the first file system namespace. Estimate the storage usage of the first file system namespace based on the first summary data structure and a global summary data structure, wherein the global summary data structure stores information summarizing deduplicated segments referenced by all of the file system namespaces.
摘要翻译：示例性方法，装置和系统保持对应于表示具有一个或多个文件的一个或多个目录的多个层级的多个逻辑文件系统命名空间的多个摘要数据结构，每个文件作为多个存储在存储系统中的部分以重复数据删除的方式。响应于估计第一文件系统命名空间的存储使用的请求，识别对应于第一文件系统命名空间的第一个摘要数据结构，其中第一简要数据结构存储总结由一个或多个文件系统命名空间引用的重复数据删除的段的信息更多文件的第一个文件系统命名空间。基于第一个摘要数据结构和全局摘要数据结构来估计第一个文件系统命名空间的存储使用情况，其中全局摘要数据结构存储总结所有文件系统命名空间所引用的重复数据删除段的信息。

4. 发明授权

US08694554B2 Cluster storage using subsegmenting for efficient storage 有权
标题翻译：使用分段进行群集存储以实现高效存储
公开(公告)号：US08694554B2
公开(公告)日：2014-04-08
申请号：US13179164
申请日：2011-07-08
申请人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
发明人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
IPC分类号： G06F17/30
CPC分类号： G06F3/0604 , G06F3/0644 , G06F3/0683 , G06F17/30091 , G06F17/30138 , G06F17/3015 , G06F17/30312 , G06F17/30489
摘要： Cluster storage is disclosed. A data stream or a data block is received. The data stream or the data block is broken into segments. For each segment, a cluster node is selected, and a portion of the segment smaller than the segment is identified that is a duplicate of a portion of a segment already managed by the cluster node.
摘要翻译：公开集群存储。接收数据流或数据块。数据流或数据块被分成段。对于每个段，选择群集节点，并且识别小于段的段的一部分，其是已经由群集节点管理的段的一部分的副本。

5. 发明申请

US20110270887A1 CLUSTER STORAGE USING SUBSEGMENTING FOR EFFICIENT STORAGE 有权
标题翻译：集群存储使用高效存储
公开(公告)号：US20110270887A1
公开(公告)日：2011-11-03
申请号：US13179164
申请日：2011-07-08
申请人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
发明人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
IPC分类号： G06F17/30
CPC分类号： G06F3/0604 , G06F3/0644 , G06F3/0683 , G06F17/30091 , G06F17/30138 , G06F17/3015 , G06F17/30312 , G06F17/30489
摘要： Cluster storage is disclosed. A data stream or a data block is received. The data stream or the data block is broken into segments. For each segment, a cluster node is selected, and a portion of the segment smaller than the segment is identified that is a duplicate of a portion of a segment already managed by the cluster node.
摘要翻译：公开集群存储。接收数据流或数据块。数据流或数据块被分成段。对于每个段，选择群集节点，并且识别小于段的段的一部分，其是已经由群集节点管理的段的一部分的副本。

6. 发明授权

US08005861B2 Cluster storage using subsegmenting for efficient storage 有权
标题翻译：使用分段进行群集存储以实现高效存储
公开(公告)号：US08005861B2
公开(公告)日：2011-08-23
申请号：US11824592
申请日：2007-06-29
申请人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
发明人： Sazzala Reddy , Umesh Maheshwari , Edward K. Lee , R. Hugo Patterson
IPC分类号： G06F17/30
CPC分类号： G06F3/0604 , G06F3/0644 , G06F3/0683 , G06F17/30091 , G06F17/30138 , G06F17/3015 , G06F17/30312 , G06F17/30489
摘要： Cluster storage is disclosed. A data stream or a data block is received. The data stream or the data block is broken into segments. For each segment, a cluster node is selected, and a portion of the segment smaller than the segment is identified that is a duplicate of a portion of a segment already managed by the cluster node.
摘要翻译：公开集群存储。接收数据流或数据块。数据流或数据块被分成段。对于每个段，选择群集节点，并且识别小于段的段的一部分，其是已经由群集节点管理的段的一部分的副本。

7. 发明授权

US07747581B1 Network file system-based data storage system 有权
公开(公告)号：US07747581B1
公开(公告)日：2010-06-29
申请号：US11788407
申请日：2007-04-19
申请人： Kai Li , R. Hugo Patterson , Ming Benjamin Zhu , Allan Bricker , Richard Johnsson , Sazzala Reddy , Jeffery Zabarsky
发明人： Kai Li , R. Hugo Patterson , Ming Benjamin Zhu , Allan Bricker , Richard Johnsson , Sazzala Reddy , Jeffery Zabarsky
IPC分类号： G06F17/30
CPC分类号： G06F17/30067 , G06F3/0608 , G06F3/0641 , G06F3/0659 , G06F3/067
摘要： A network file system-based data storage system that converts random I/O requests into a piecewise sequential data structure to facilitate variable length data segment redundancy identification and elimination. For one embodiment of the invention a stateless network file system is employed. For one such embodiment, that provides multiple-client access to stored data, multiple Writes are buffered and then broken into variable length data segments. Redundant segment elimination is then effected. One embodiment of the invention allows sharing of the variable length data segments among files.

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