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1. 发明授权

US09116793B2 Maintaining versions of data in solid state memory 有权
标题翻译：维护固态存储器中的数据版本
公开(公告)号：US09116793B2
公开(公告)日：2015-08-25
申请号：US13494723
申请日：2012-06-12
申请人： Gokul B. Kandiraju , Hubertus Franke , David Craft
发明人： Gokul B. Kandiraju , Hubertus Franke , David Craft
IPC分类号： G06F12/02
CPC分类号： G06F3/061 , G06F3/0604 , G06F3/0613 , G06F3/0635 , G06F3/0643 , G06F3/0655 , G06F3/0659 , G06F3/0679 , G06F3/0688 , G06F12/0246 , G06F12/10 , G06F12/1009 , G06F17/30088 , G06F17/3023 , G06F2212/1008 , G06F2212/1016 , G06F2212/202 , G06F2212/2022 , G06F2212/65 , G06F2212/657 , G06F2212/7201 , G06F2212/7209 , G11C16/10 , G11C16/26
摘要： Various embodiments are directed to maintaining versions of data within a solid state memory. At least one request to write at least one dataset to a logical page of a solid state memory is received from a file system. At least one physical page in a data block of the solid state memory associated with the logical page is identified. A processor stores the dataset in the at least one physical page. At least one data versioning tag is associated with the at least one dataset in a data structure associated with the logical page. The data versioning tag identifies the at least one dataset as a given version of the logical page. The at least one dataset is maintained as accessible from the at least one physical page irrespective of subsequent write operations to the logical page in response to associating the at least one data versioning tag.
摘要翻译：各种实施例旨在维持固态存储器内的数据版本。从文件系统接收至少一个将至少一个数据集写入固态存储器的逻辑页面的请求。识别与逻辑页面相关联的固态存储器的数据块中的至少一个物理页面。处理器将数据集存储在至少一个物理页面中。至少一个数据版本化标签与与逻辑页面相关联的数据结构中的至少一个数据集相关联。数据版本控制标签将至少一个数据集标识为逻辑页面的给定版本。响应于关联至少一个数据版本化标签，至少一个数据集被保持为可从至少一个物理页面访问，而不管对逻辑页面的后续写入操作。

2. 发明授权

US08396833B2 Inode management in redirect-on-write file system 失效
标题翻译：重定向写入文件系统中的Inode管理
公开(公告)号：US08396833B2
公开(公告)日：2013-03-12
申请号：US12879855
申请日：2010-09-10
申请人： Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
发明人： Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30088
摘要： Some embodiments of the inventive subject matter allow a redirect-on-write file system to continue processing file transactions while writing a snapshot to persistent storage. Thus, embodiments do not block file transactions while flushing snapshots to persistent storage. To avoid blocking, some embodiments the file system can maintain two snapshot generations. The first snapshot generation is the snapshot being written to persistent storage. The second snapshot generation may reside in main memory, and store data for file transactions occurring after the file system began writing the first snapshot generation.
摘要翻译：本发明主题的一些实施例允许写入时重写文件系统在将快照写入持久存储器的同时继续处理文件事务。因此，实施例在将快照刷新到持久存储器时不阻止文件事务。为了避免阻塞，文件系统的一些实施例可以维护两个快照世代。第一个快照生成是将快照写入持久存储。第二个快照生成可以驻留在主存储器中，并存储在文件系统开始写入第一个快照生成之后发生的文件事务的数据。

3. 发明申请

US20120066182A1 INODE MANAGEMENT IN REDIRECT-ON-WRITE FILE SYSTEM 失效
标题翻译：重写文件系统中的编号管理
公开(公告)号：US20120066182A1
公开(公告)日：2012-03-15
申请号：US12879855
申请日：2010-09-10
申请人： Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
发明人： Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
IPC分类号： G06F17/00
CPC分类号： G06F17/30088
摘要： Some embodiments of the inventive subject matter allow a redirect-on-write file system to continue processing file transactions while writing a snapshot to persistent storage. Thus, embodiments do not block file transactions while flushing snapshots to persistent storage. To avoid blocking, some embodiments the file system can maintain two snapshot generations. The first snapshot generation is the snapshot being written to persistent storage. The second snapshot generation may reside in main memory, and store data for file transactions occurring after the file system began writing the first snapshot generation.
摘要翻译：本发明主题的一些实施例允许写入时重写文件系统在将快照写入持久存储器的同时继续处理文件事务。因此，实施例在将快照刷新到持久存储器时不阻止文件事务。为了避免阻塞，文件系统的一些实施例可以维护两个快照世代。第一个快照生成是将快照写入持久存储。第二个快照生成可以驻留在主存储器中，并存储在文件系统开始写入第一个快照生成之后发生的文件事务的数据。

4. 发明授权

US09122581B2 Data versioning in solid state memory 有权
标题翻译：固态存储器中的数据版本控制
公开(公告)号：US09122581B2
公开(公告)日：2015-09-01
申请号：US13494697
申请日：2012-06-12
申请人： Gokul B. Kandiraju , Hubertus Franke , David Craft
发明人： Gokul B. Kandiraju , Hubertus Franke , David Craft
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7201 , G06F2212/7207
摘要： Embodiments are directed to maintaining versions of data within a solid state memory. One or more embodiments create at least one data structure associated with at least one logical page of a solid state memory. The logical page is associated with at least one physical page in a data block of the solid state memory. A first set of information associated with the logical page is stored in the data structure. A second set of information associated with the physical page is stored in the data structure. The second set of information includes at least versioning information identifying which version of the logical page is represented by a dataset is stored within the physical page.
摘要翻译：实施例旨在维持固态存储器内的数据版本。一个或多个实施例创建与固态存储器的至少一个逻辑页面相关联的至少一个数据结构。逻辑页面与固态存储器的数据块中的至少一个物理页面相关联。与逻辑页面相关联的第一组信息被存储在数据结构中。与物理页面相关联的第二组信息被存储在数据结构中。第二组信息至少包括版本信息，识别由数据集表示的逻辑页面的哪个版本被存储在物理页面中。

5. 发明授权

US08671079B2 System and method for hierarchical recovery of a cluster file system 失效
标题翻译：集群文件系统的分级恢复的系统和方法
公开(公告)号：US08671079B2
公开(公告)日：2014-03-11
申请号：US13080151
申请日：2011-04-05
申请人： Robert K. Gjertsen , Manoj N. Kumar , David J. Craft , Gokul B. Kandiraju
发明人： Robert K. Gjertsen , Manoj N. Kumar , David J. Craft , Gokul B. Kandiraju
IPC分类号： G06F17/30
CPC分类号： G06F17/30008 , G06F11/2025 , G06F11/2035
摘要： Hierarchical recovery of failed computing nodes to operative computing nodes within a cluster of computing nodes is managed by initiating a recovery leader at an operative node that retrieves management information from the operative nodes and applies the management information to recover filesets of a meta-fileset in a hierarchical filesystem. The use of hierarchical filesets throughout the cluster provides more rapid failover by distributing recovery load across computing nodes and supporting recovery of nodes in parallel.
摘要翻译：通过启动在操作节点检索管理信息的操作节点处的恢复引导来管理故障计算节点到计算节点的集群内的操作计算节点的分层恢复，并应用管理信息来恢复元文件集的文件集分层文件系统。通过在整个集群中使用分层文件集，通过在计算节点之间分配恢复负载并支持并行恢复节点，从而提供更快速的故障切换。

6. 发明申请

US20130332655A1 MAINTAINING VERSIONS OF DATA IN SOLID STATE MEMORY 审中-公开
标题翻译：维护固态存储器中的数据版本
公开(公告)号：US20130332655A1
公开(公告)日：2013-12-12
申请号：US13615885
申请日：2012-09-14
申请人： Gokul B. KANDIRAJU , Hubertus FRANKE , David CRAFT
发明人： Gokul B. KANDIRAJU , Hubertus FRANKE , David CRAFT
IPC分类号： G06F12/00
CPC分类号： G06F3/061 , G06F3/0604 , G06F3/0613 , G06F3/0635 , G06F3/0643 , G06F3/0655 , G06F3/0659 , G06F3/0679 , G06F3/0688 , G06F12/0246 , G06F12/10 , G06F12/1009 , G06F17/30088 , G06F17/3023 , G06F2212/1008 , G06F2212/1016 , G06F2212/202 , G06F2212/2022 , G06F2212/65 , G06F2212/657 , G06F2212/7201 , G06F2212/7209 , G11C16/10 , G11C16/26
摘要： One or more embodiments are directed a solid state storage device for maintaining versions of data. The solid state storage device comprises a processor and a solid state memory communicatively coupled to the processor. A flash translation layer receives at least one request from a file system to write at least one dataset to a logical page of the solid state memory. At least one physical page in a data block of the solid state memory associated with the logical page is identified. At least one dataset in the physical page is stored. At least one data versioning tag is associated with the dataset in a data structure associated with the logical page. The data versioning tag identifies the dataset as a given version of the logical page. The dataset is maintained as accessible from the physical page irrespective of subsequent write operations to the logical page.
摘要翻译：一个或多个实施例涉及用于维护数据版本的固态存储设备。固态存储设备包括通信地耦合到处理器的处理器和固态存储器。闪存转换层从文件系统接收至少一个请求，以将至少一个数据集写入固态存储器的逻辑页面。识别与逻辑页面相关联的固态存储器的数据块中的至少一个物理页面。存储物理页面中至少一个数据集。至少一个数据版本控制标签与与逻辑页面相关联的数据结构中的数据集相关联。数据版本控制标签将数据集标识为逻辑页面的给定版本。无论对逻辑页面的后续写入操作如何，数据集都保持从物理页面可访问。

7. 发明申请

US20130332650A1 FLASH TRANSLATION LAYER SYSTEM FOR MAINTAINING DATA VERSIONS IN SOLID STATE MEMORY 有权
标题翻译：用于在固态存储器中维护数据版本的闪存翻译层系统
公开(公告)号：US20130332650A1
公开(公告)日：2013-12-12
申请号：US13494796
申请日：2012-06-12
申请人： Gokul B. KANDIRAJU , Hubertus FRANKE , David CRAFT
发明人： Gokul B. KANDIRAJU , Hubertus FRANKE , David CRAFT
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7209
摘要： One or more embodiments are directed to managing data in a solid state memory supporting data versioning. At least one request to perform an operation on at least one logical page of a solid state memory is received from a file system. A data structure associated with the at least one logical page is identified. The data structure at least identifies one or more physical pages associated with the at least one logical page, and a version of the at least one logical page represented by a dataset stored in each of the one or more physical pages. The operation is performed on the at least one logical page based on the data structure that has been identified.
摘要翻译：一个或多个实施例涉及管理支持数据版本控制的固态存储器中的数据。从文件系统接收至少一个对固态存储器的至少一个逻辑页执行操作的请求。识别与至少一个逻辑页面相关联的数据结构。所述数据结构至少识别与所述至少一个逻辑页面相关联的一个或多个物理页面，以及由存储在所述一个或多个物理页面中的每一个中的数据集所表示的所述至少一个逻辑页面的版本。基于已经识别的数据结构，在至少一个逻辑页上执行操作。

8. 发明授权

US09229852B2 Flash translation layer system for maintaining data versions in solid state memory 有权
标题翻译：闪存转换层系统，用于在固态存储器中维护数据版本
公开(公告)号：US09229852B2
公开(公告)日：2016-01-05
申请号：US13615945
申请日：2012-09-14
申请人： Gokul B. Kandiraju , Hubertus Franke , David Craft
发明人： Gokul B. Kandiraju , Hubertus Franke , David Craft
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7209
摘要： One or more embodiments are directed to maintaining versions of data within a solid state memory. At least one request to perform an operation on at least one logical page of a solid state memory is received from a file system. A data structure associated with the at least one logical page is identified. The data structure at least identifies one or more physical pages associated with the at least one logical page, and a version of the at least one logical page represented by a dataset stored in each of the one or more physical page. The operation is performed on the at least one logical page based on the data structure that has been identified.
摘要翻译：一个或多个实施例旨在维持固态存储器内的数据版本。从文件系统接收至少一个对固态存储器的至少一个逻辑页执行操作的请求。识别与至少一个逻辑页面相关联的数据结构。所述数据结构至少识别与所述至少一个逻辑页面相关联的一个或多个物理页面，以及由存储在所述一个或多个物理页面中的每一个中的数据集所表示的所述至少一个逻辑页面的版本。基于已经识别的数据结构，在至少一个逻辑页上执行操作。

9. 发明授权

US09122584B2 File system for maintaining data version in solid state memory 有权
标题翻译：用于在固态存储器中维护数据版本的文件系统
公开(公告)号：US09122584B2
公开(公告)日：2015-09-01
申请号：US13615908
申请日：2012-09-14
申请人： Gokul B. Kandiraju , Hubertus Franke , David Craft
发明人： Gokul B. Kandiraju , Hubertus Franke , David Craft
IPC分类号： G06F12/02 , G06F17/30 , G06F11/14 , G06F3/06
CPC分类号： G06F12/0246 , G06F3/0643 , G06F3/0688 , G06F11/1435 , G06F17/30218 , G06F17/3023 , G06F2201/84 , G06F2212/7201 , G06F2212/7209
摘要： One or more embodiments are directed to managing data in a solid state memory supporting data versioning. A file system residing at an information processing system reserves a plurality of logical pages from a solid state memory. Each logical page in the plurality of logical pages is associated with a plurality of physical pages in the solid state memory. Each logical page in the plurality of logical pages is assigned to one group in a plurality of groups. A request is sent to a flash translation layer for an operation to be performed by the flash translation layer on a group in the plurality of groups.
摘要翻译：一个或多个实施例涉及管理支持数据版本控制的固态存储器中的数据。位于信息处理系统的文件系统从固态存储器预留多个逻辑页面。多个逻辑页面中的每个逻辑页面与固态存储器中的多个物理页面相关联。将多个逻辑页面中的每个逻辑页面分配给多个组中的一个组。向闪存转换层发送请求以进行由多个组中的组上的闪存转换层执行的操作。

10. 发明申请

US20130332657A1 FLASH TRANSLATION LAYER SYSTEM FOR MAINTAINING DATA VERSIONS IN SOLID STATE MEMORY 审中-公开
标题翻译：用于在固态存储器中维护数据版本的闪存翻译层系统
公开(公告)号：US20130332657A1
公开(公告)日：2013-12-12
申请号：US13615945
申请日：2012-09-14
申请人： Gokul B. KANDIRAJU , Hubertus FRANKE , David CRAFT
发明人： Gokul B. KANDIRAJU , Hubertus FRANKE , David CRAFT
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7209
摘要： One or more embodiments are directed to maintaining versions of data within a solid state memory. At least one request to perform an operation on at least one logical page of a solid state memory is received from a file system. A data structure associated with the at least one logical page is identified. The data structure at least identifies one or more physical pages associated with the at least one logical page, and a version of the at least one logical page represented by a dataset stored in each of the one or more physical page. The operation is performed on the at least one logical page based on the data structure that has been identified.
摘要翻译：一个或多个实施例旨在维持固态存储器内的数据版本。从文件系统接收至少一个对固态存储器的至少一个逻辑页执行操作的请求。识别与至少一个逻辑页面相关联的数据结构。所述数据结构至少识别与所述至少一个逻辑页面相关联的一个或多个物理页面，以及由存储在所述一个或多个物理页面中的每一个中的数据集所表示的所述至少一个逻辑页面的版本。基于已经识别的数据结构，在至少一个逻辑页上执行操作。

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