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1. 发明申请

US20130080389A1 ALLOCATION OF ABSENT DATA WITHIN FILESYSTEMS 有权
标题翻译：在文件中分配无数据
公开(公告)号：US20130080389A1
公开(公告)日：2013-03-28
申请号：US13240742
申请日：2011-09-22
申请人： Jonathan Curley , Richard Jernigan , Ram Kesavan
发明人： Jonathan Curley , Richard Jernigan , Ram Kesavan
IPC分类号： G06F17/30
CPC分类号： G06F17/30215 , G06F17/30088
摘要： Systems and methods which provide an absent allocation technique with respect to absent data of a data structure for which data migration in a time-displaced data migration operation has not completed are disclosed. Through use of absent allocated data block states of an absent allocation technique of embodiments, dependency between source and destination data stores may be broken. An absent allocated data block state of embodiments stored within the data structure provides a suggestive indication that data of a data block of a data structure is absent from the data structure. A corresponding absent allocated data block state of embodiments stored external to the data structure provides a determinative indication that the data of the data block of the data structure is absent from the data structure. The absent data block determinative indictor of embodiments is updated as data continues to be migrated.
摘要翻译：公开了关于时间偏移数据迁移操作中的数据迁移尚未完成的数据结构的缺失数据提供缺席分配技术的系统和方法。通过使用缺少分配的数据块状态的实施例的缺少分配技术，源和目的地数据存储之间的依赖可能被破坏。数据结构中存储的实施例的缺少分配的数据块状态提供了数据结构中不存在数据结构的数据块的数据的暗示性指示。存储在数据结构外部的实施例的对应的未分配数据块状态提供了数据结构中数据结构的数据块的数据不存在的确定指示。当数据继续迁移时，更新实施例的不存在的数据块确定指示符。

2. 发明授权

US09355119B2 Allocation of absent data within filesystems 有权
标题翻译：文件系统中缺少数据的分配
公开(公告)号：US09355119B2
公开(公告)日：2016-05-31
申请号：US13240742
申请日：2011-09-22
申请人： Jonathan Curley , Richard Jernigan , Ram Kesavan
发明人： Jonathan Curley , Richard Jernigan , Ram Kesavan
IPC分类号： G06F17/30
CPC分类号： G06F17/30215 , G06F17/30088
摘要： Systems and methods which provide an absent allocation technique with respect to absent data of a data structure for which data migration in a time-displaced data migration operation has not completed are disclosed. Through use of absent allocated data block states of an absent allocation technique of embodiments, dependency between source and destination data stores may be broken. An absent allocated data block state of embodiments stored within the data structure provides a suggestive indication that data of a data block of a data structure is absent from the data structure. A corresponding absent allocated data block state of embodiments stored external to the data structure provides a determinative indication that the data of the data block of the data structure is absent from the data structure. The absent data block determinative indictor of embodiments is updated as data continues to be migrated.
摘要翻译：公开了关于时间偏移数据迁移操作中的数据迁移尚未完成的数据结构的缺失数据提供缺席分配技术的系统和方法。通过使用缺少分配的数据块状态的实施例的缺少分配技术，源和目的地数据存储之间的依赖可能被破坏。数据结构中存储的实施例的缺少分配的数据块状态提供了数据结构中不存在数据结构的数据块的数据的暗示性指示。存储在数据结构外部的实施例的对应的未分配数据块状态提供了数据结构中数据结构的数据块的数据不存在的确定指示。当数据继续迁移时，更新实施例的不存在的数据块确定指示符。

3. 发明申请

US20070250551A1 Architecture for supporting sparse volumes 有权
标题翻译：用于支持稀疏卷的体系结构
公开(公告)号：US20070250551A1
公开(公告)日：2007-10-25
申请号：US11409624
申请日：2006-04-24
申请人： Jason Lango , Brian Quirion , Ling Zheng , Robert Tsai , Matthew Amdur , Ram Kesavan , David Grunwald , Kartik Ayyar , Robert English , J. Wagner , Paul Eastham , Emmanuel Ackaouy , Ashish Prakash
发明人： Jason Lango , Brian Quirion , Ling Zheng , Robert Tsai , Matthew Amdur , Ram Kesavan , David Grunwald , Kartik Ayyar , Robert English , J. Wagner , Paul Eastham , Emmanuel Ackaouy , Ashish Prakash
IPC分类号： G06F17/30
CPC分类号： G06F17/30067
摘要： An architecture, including a file-level protocol, for supporting sparse volumes on a storage system is provided. The file-level protocol provides coherency checking for use in retrieving data stored on a backing store remote from a storage system.
摘要翻译：提供了一种用于在存储系统上支持稀疏卷的架构，包括文件级协议。文件级协议提供一致性检查，用于检索存储在远离存储系统的后台存储上的数据。

4. 发明授权

US07073028B2 Pre-computing streaming media payload method and apparatus 有权
标题翻译：预先计算流媒体有效载荷的方法和装置
公开(公告)号：US07073028B2
公开(公告)日：2006-07-04
申请号：US10776458
申请日：2004-02-10
申请人： Jason Lango , Ram Kesavan , Konstantinos Roussos , Robert Tsai , Christopher Wagner
发明人： Jason Lango , Ram Kesavan , Konstantinos Roussos , Robert Tsai , Christopher Wagner
IPC分类号： G06F12/02
CPC分类号： H04L65/602 , G06F17/30067 , H04L29/06027 , H04L65/4084 , H04L65/605 , H04L65/607 , H04N7/17318 , H04N21/2183 , H04N21/2221 , H04N21/23106 , H04N21/23418 , H04N21/6125 , H04N21/8455
摘要： A method for pre-computing a streaming media payload in a server includes receiving a data file from a streaming media server, determining a plurality of data packets from the data file, dividing the plurality of data packets into a plurality of sets of data packets, forming a plurality of data objects, each data object comprising a set of data packets from the plurality of sets of data packets, and storing the plurality of data objects in a server memory, wherein each data object is individually accessible from the server memory.
摘要翻译：一种用于在服务器中预先计算流媒体有效载荷的方法包括从流媒体服务器接收数据文件，从数据文件中确定多个数据分组，将多个数据分组划分成多组数据分组，形成多个数据对象，每个数据对象包括来自多组数据分组的一组数据分组，并将多个数据对象存储在服务器存储器中，其中每个数据对象可从服务器存储器单独访问。

5. 发明授权

US08620970B2 Methods and apparatus for changing versions of a filesystem 有权
标题翻译：用于更改文件系统版本的方法和装置
公开(公告)号：US08620970B2
公开(公告)日：2013-12-31
申请号：US11542777
申请日：2006-10-03
申请人： Robert English , Ram Kesavan
发明人： Robert English , Ram Kesavan
IPC分类号： G06F12/00 , G06F17/30 , G06F7/00
CPC分类号： G06F17/30079 , G06F17/30076 , G06F17/30138
摘要： A filesystem can be converted to a different version by creating a new data structure according to a new format of the different version and transforming the data from the filesystem to the new data structure. Transforming the data can include changing the format of the data in the filesystem to be compatible with the new data structure format. The data may be incorporated into the new data structure by copying the data, or creating indirect reference mechanisms to point to the original data.
摘要翻译：可以通过根据不同版本的新格式创建新的数据结构并将数据从文件系统转换为新数据结构，将文件系统转换为不同的版本。转换数据可以包括将文件系统中的数据的格式改变为与新的数据结构格式兼容。数据可以通过复制数据或者创建间接参考机制来指向原始数据而并入到新的数据结构中。

6. 发明申请

US20100125598A1 ARCHITECTURE FOR SUPPORTING SPARSE VOLUMES 审中-公开
标题翻译：支持体积小的体系结构
公开(公告)号：US20100125598A1
公开(公告)日：2010-05-20
申请号：US12694440
申请日：2010-01-27
申请人： Jason Ansel Lango , Brian Mederic Quirion , Ling Zheng , Robert Lieh-Yuan Tsai , Matthew Benjamin Amdur , Ram Kesavan , David Grunwald , Kartik Ayyar , Robert M. English , J. Christopher Wagner , Paul Eastham , Emmanuel Ackaouy , Ashish Prakash
发明人： Jason Ansel Lango , Brian Mederic Quirion , Ling Zheng , Robert Lieh-Yuan Tsai , Matthew Benjamin Amdur , Ram Kesavan , David Grunwald , Kartik Ayyar , Robert M. English , J. Christopher Wagner , Paul Eastham , Emmanuel Ackaouy , Ashish Prakash
IPC分类号： G06F17/30
CPC分类号： G06F16/10
摘要： An architecture, including a file-level protocol, for supporting sparse volumes on a storage system is provided. The file-level protocol provides coherency checking for use in retrieving data stored on a backing store remote from a storage system.
摘要翻译：提供了一种用于在存储系统上支持稀疏卷的架构，包括文件级协议。文件级协议提供一致性检查，用于检索存储在远离存储系统的后台存储上的数据。

7. 发明申请

US20080082589A1 Methods and apparatus for changing versions of a filesystem 有权
标题翻译：用于更改文件系统版本的方法和装置
公开(公告)号：US20080082589A1
公开(公告)日：2008-04-03
申请号：US11542777
申请日：2006-10-03
申请人： Robert English , Ram Kesavan
发明人： Robert English , Ram Kesavan
IPC分类号： G06F17/30
CPC分类号： G06F17/30079 , G06F17/30076 , G06F17/30138
摘要： A filesystem can be converted to a different version by creating a new data structure according to a new format of the different version and transforming the data from the filesystem to the new data structure. Transforming the data can include changing the format of the data in the filesystem to be compatible with the new data structure format. The data may be incorporated into the new data structure by copying the data, or creating indirect reference mechanisms to point to the original data.
摘要翻译：可以通过根据不同版本的新格式创建新的数据结构并将数据从文件系统转换为新数据结构，将文件系统转换为不同的版本。转换数据可以包括将文件系统中的数据的格式改变为与新的数据结构格式兼容。数据可以通过复制数据或者创建间接参考机制来指向原始数据而并入到新的数据结构中。

8. 发明授权

US06742082B1 Pre-computing streaming media payload method and apparatus 有权
标题翻译：预先计算流媒体有效载荷的方法和装置
公开(公告)号：US06742082B1
公开(公告)日：2004-05-25
申请号：US09981667
申请日：2001-10-16
申请人： Jason Lango , Ram Kesavan , Konstantinos Roussos , Robert Tsai , Christopher Wagner
发明人： Jason Lango , Ram Kesavan , Konstantinos Roussos , Robert Tsai , Christopher Wagner
IPC分类号： G06F1200
CPC分类号： H04L65/602 , G06F17/30067 , H04L29/06027 , H04L65/4084 , H04L65/605 , H04L65/607 , H04N7/17318 , H04N21/2183 , H04N21/2221 , H04N21/23106 , H04N21/23418 , H04N21/6125 , H04N21/8455
摘要： A method for pre-computing a streaming media payload in a server includes receiving a data file from a streaming media server, determining a plurality of data packets from the data file, dividing the plurality of data packets into a plurality of sets of data packets, forming a plurality of data objects, each data object comprising a set of data packets from the plurality of sets of data packets, and storing the plurality of data objects in a server memory, wherein each data object is individually accessible from the server memory.
摘要翻译：一种用于在服务器中预先计算流媒体有效载荷的方法包括从流媒体服务器接收数据文件，从数据文件中确定多个数据分组，将多个数据分组划分成多组数据分组，形成多个数据对象，每个数据对象包括来自多组数据分组的一组数据分组，并将多个数据对象存储在服务器存储器中，其中每个数据对象可从服务器存储器单独访问。

9. 发明授权

US08898419B2 System and method for balancing block allocation on data storage devices 有权
标题翻译：在数据存储设备上平衡块分配的系统和方法
公开(公告)号：US08898419B2
公开(公告)日：2014-11-25
申请号：US13335271
申请日：2011-12-22
申请人： Ram Kesavan , Mrinal K. Bhattacharjee , Sudhanshu Goswami
发明人： Ram Kesavan , Mrinal K. Bhattacharjee , Sudhanshu Goswami
IPC分类号： G06F12/00
CPC分类号： G06F3/0605 , G06F3/0656 , G06F3/067 , G06F3/0689
摘要： A modular block allocator includes a front end module and a back end module communicating with each another via an application programming interface (API). The front end module receives cleaner messages requesting dirty buffers associated with the cleaner messages be cleaned. The back end module provides low and high level data structures which are formed by examining bitmaps associated with data storage devices. A stripe set data structure mapping to the low level data structures are formed. The front end module cleans the dirty buffers by allocating data blocks in the high level data structures to the dirty buffers. The low level data structures are used to map the allocated data blocks to the stripe set and when the stripe set is full it is sent to the data storage devices.
摘要翻译：模块化块分配器包括经由应用编程接口（API）彼此通信的前端模块和后端模块。前端模块接收更清洁的消息，请求与要清理的清洁消息相关联的脏缓冲区。后端模块提供通过检查与数据存储设备相关联的位图而形成的低级和高级数据结构。形成映射到低级数据结构的条带集数据结构。前端模块通过将高级数据结构中的数据块分配给脏缓冲区来清除脏缓冲区。低级数据结构用于将分配的数据块映射到条带集，并且当条带集已满时，将其发送到数据存储设备。

10. 发明授权

US08600949B2 Deduplication in an extent-based architecture 有权
标题翻译：基于范围的架构中的重复数据删除
公开(公告)号：US08600949B2
公开(公告)日：2013-12-03
申请号：US13165631
申请日：2011-06-21
申请人： Subramaniam Periyagaram , Sandeep Yadav , Blake Lewis , Rickard E. Faith , Ashish Prakash , Ram Kesavan , Ananthan Subramanian
发明人： Subramaniam Periyagaram , Sandeep Yadav , Blake Lewis , Rickard E. Faith , Ashish Prakash , Ram Kesavan , Ananthan Subramanian
IPC分类号： G06F17/30
CPC分类号： G06F17/30156 , G06F3/0608 , G06F3/0641
摘要： A request is received to remove duplicate data. A log data container associated with a storage volume in a storage server is accessed. The log data container includes a plurality of entries. Each entry is identified by an extent identifier in a data structures stored in a volume associated with the storage server. For each entry in the log data container, a determination is made if the entry matches another entry in the log data container. If the entry matches another entry in the log data container, a determination is made of a donor extent and a recipient extent. If an external reference count associated with the recipient extent equals a first predetermined value, block sharing is performed for the donor extent and the recipient extent. A determination is made if the reference count of the donor extent equals a second predetermined value. If the reference count of the donor extent equals the second predetermined value, the donor extent is freed.
摘要翻译：收到请求以删除重复的数据。访问与存储服务器中的存储卷相关联的日志数据容器。日志数据容器包括多个条目。每个条目由存储在与存储服务器相关联的卷中的数据结构中的盘区标识符标识。对于日志数据容器中的每个条目，确定条目是否匹配日志数据容器中的另一个条目。如果条目与日志数据容器中的另一个条目匹配，则确定捐赠者范围和受众范围。如果与接收者范围相关联的外部参考计数等于第一预定值，则对捐赠者范围和接受者范围执行块共享。如果供体范围的参考计数等于第二预定值，则确定。如果供体范围的参考计数等于第二预定值，则供体范围被释放。

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