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1. 发明授权

US08195611B2 Using a sparse file as a clone of a file 失效
标题翻译：使用稀疏文件作为文件的克隆
公开(公告)号：US08195611B2
公开(公告)日：2012-06-05
申请号：US12414870
申请日：2009-03-31
申请人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
发明人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30088
摘要： One embodiment is for using a sparse file as a clone. The method includes creating, by an application associated with a computer system, a snapshot of a file, such as an individual file, a collection of files, file system, directories, and so forth. Further, the method includes requesting, by the application, a clone of that created snapshot. Further still, the method includes generating, by the application, an empty sparse having at least one inode identifying the empty sparse file as the clone and pointing to the snapshot associated with the clone. Thereby, the requested clone is created using the created sparse file, which begins as an empty sparse file.
摘要翻译：一个实施例是使用稀疏文件作为克隆。该方法包括通过与计算机系统相关联的应用来创建诸如单个文件的文件的快照，文件集合，文件系统，目录等。此外，该方法包括由应用程序请求创建的快照的克隆。此外，该方法还包括由应用程序生成具有至少一个标识空稀疏文件作为克隆并指向与克隆相关联的快照的空的稀疏。因此，使用创建的稀疏文件创建所请求的克隆，该稀疏文件以空稀疏文件开头。

2. 发明授权

US08521690B2 Using a sparse file as a clone of a file 失效
标题翻译：使用稀疏文件作为文件的克隆
公开(公告)号：US08521690B2
公开(公告)日：2013-08-27
申请号：US13450012
申请日：2012-04-18
申请人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
发明人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30088
摘要： One embodiment is for using a sparse file as a clone. The method includes creating, by an application associated with a computer system, a snapshot of a file, such as an individual file, a collection of files, file system, directories, and so forth. Further, the method includes requesting, by the application, a clone of that created snapshot. Further still, the method includes generating, by the application, an empty sparse having at least one inode identifying the empty sparse file as the clone and pointing to the snapshot associated with the clone. Thereby, the requested clone is created using the created sparse file, which begins as an empty sparse file.
摘要翻译：一个实施例是使用稀疏文件作为克隆。该方法包括通过与计算机系统相关联的应用来创建诸如单个文件的文件的快照，文件集合，文件系统，目录等。此外，该方法包括由应用程序请求创建的快照的克隆。此外，该方法还包括由应用程序生成具有至少一个标识空稀疏文件作为克隆并指向与克隆相关联的快照的空的稀疏。因此，使用创建的稀疏文件创建所请求的克隆，该稀疏文件以空稀疏文件开头。

3. 发明申请

US20120209810A1 Using a Sparse File as a Clone of a File 失效
标题翻译：使用稀疏文件作为文件的克隆
公开(公告)号：US20120209810A1
公开(公告)日：2012-08-16
申请号：US13450012
申请日：2012-04-18
申请人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
发明人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
IPC分类号： G06F17/30
CPC分类号： G06F17/30088
摘要： One embodiment is for using a sparse file as a clone. The method includes creating, by an application associated with a computer system, a snapshot of a file, such as an individual file, a collection of files, file system, directories, and so forth. Further, the method includes requesting, by the application, a clone of that created snapshot. Further still, the method includes generating, by the application, an empty sparse having at least one inode identifying the empty sparse file as the clone and pointing to the snapshot associated with the clone. Thereby, the requested clone is created using the created sparse file, which begins as an empty sparse file.
摘要翻译：一个实施例是使用稀疏文件作为克隆。该方法包括通过与计算机系统相关联的应用来创建诸如单个文件的文件的快照，文件集合，文件系统，目录等。此外，该方法包括由应用程序请求创建的快照的克隆。此外，该方法还包括由应用程序生成具有至少一个标识空稀疏文件作为克隆并指向与克隆相关联的快照的空的稀疏。因此，使用创建的稀疏文件创建所请求的克隆，该稀疏文件以空稀疏文件开头。

4. 发明申请

US20100250493A1 USING A SPARSE FILE AS A CLONE OF A FILE 失效
标题翻译：使用一个SPARSE文件作为文件的克隆
公开(公告)号：US20100250493A1
公开(公告)日：2010-09-30
申请号：US12414870
申请日：2009-03-31
申请人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
发明人： Janet E. Adkins , Joon Chang , Manoj N. Kumar , Grover H. Neuman
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F17/30088
摘要： One embodiment is for using a sparse file as a clone. The method includes creating, by an application associated with a computer system, a snapshot of a file, such as an individual file, a collection of files, file system, directories, and so forth. Further, the method includes requesting, by the application, a clone of that created snapshot. Further still, the method includes generating, by the application, an empty sparse having at least one inode identifying the empty sparse file as the clone and pointing to the snapshot associated with the clone. Thereby, the requested clone is created using the created sparse file, which begins as an empty sparse file.
摘要翻译：一个实施例是使用稀疏文件作为克隆。该方法包括通过与计算机系统相关联的应用来创建诸如单个文件的文件的快照，文件集合，文件系统，目录等。此外，该方法包括由应用程序请求创建的快照的克隆。此外，该方法还包括由应用程序生成具有至少一个标识空稀疏文件作为克隆并指向与克隆相关联的快照的空的稀疏。因此，使用创建的稀疏文件创建所请求的克隆，该稀疏文件以空稀疏文件开头。

5. 发明授权

US08495112B2 Distributed file hierarchy management in a clustered redirect-on-write file system 失效
标题翻译：集群的重定向文件系统中的分布式文件层次结构管理
公开(公告)号：US08495112B2
公开(公告)日：2013-07-23
申请号：US12879717
申请日：2010-09-10
申请人： Janet E. Adkins , Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
IPC分类号： G06F17/30
CPC分类号： G06F17/30094 , G06F17/302
摘要： Management of a file hierarchy for a clustered file system can be distributed across nodes of the cluster. A cluster file hierarchy is accessed to determine location of a file in response to a request to write to a file. A first node maintains the cluster file hierarchy. It is determined that management of a fileset object, which represents a fileset that includes the file, has been delegated to a second node based, at least in part, on said accessing the cluster file hierarchy. A node file hierarchy maintained by the second node is accessed responsive to determining the delegation. The cluster file hierarchy represents filesets of the clustered file system and the node hierarchy represents a subset of one or more of the filesets. Location of the file is determined based, at least in part, on said accessing the node file hierarchy.
摘要翻译：集群文件系统的文件层次结构的管理可以分布在集群的节点上。访问集群文件层次结构以确定文件的位置以响应写入文件的请求。第一个节点维护群集文件层次结构。至少部分地基于对所述群集文件层次结构的访问，确定表示包括该文件的文件集的文件集对象的管理已委托给第二节点。响应于确定委托而访问由第二节点维护的节点文件层次结构。集群文件层次结构表示集群文件系统的文件集，节点层次结构表示一个或多个文件集的子集。至少部分地基于访问节点文件层级来确定文件的位置。

6. 发明申请

US20120066183A1 FILE CLONING ACROSS DIFFERENT FILESETS 有权
公开(公告)号：US20120066183A1
公开(公告)日：2012-03-15
申请号：US12879882
申请日：2010-09-10
申请人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
IPC分类号： G06F17/30
CPC分类号： G06F17/3007 , G06F17/30017 , G06F17/30088
摘要： After a clone file is created from a file, a write request targeting the clone file can be handled. It is determined that the write request indicates the clone file that was cloned from a file in a first fileset. The clone file is of a second fileset and a clustered file system comprises the first fileset and the second fileset. A data block of the clone file affected by the write request is determined. It is then determined that the data block at a current location cannot be modified. The write request is implemented with respect to the data block at a different location. It is indicated that the data block at the different location can be modified for subsequent write requests that indicate the clone file

7. 发明申请

US20120150800A1 INDEPENDENT FILESET GENERATIONS IN A CLUSTERED REDIRECT-ON-WRITE FILESYSTEM 有权
标题翻译：一个集中的重写式文件系统中的独立FILESET生成
公开(公告)号：US20120150800A1
公开(公告)日：2012-06-14
申请号：US12963068
申请日：2010-12-08
申请人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
IPC分类号： G06F17/00
CPC分类号： G06F17/30088
摘要： Maintaining a generation value for each fileset that is distinct from a corresponding fileset manager preserves the independence of nodes while also allowing distributed fileset management. A fileset manager can maintain a value that reflects consistency snapshots for that node (“node generation”) separately from a value that reflects consistency snapshots for a particular fileset (“fileset generation”).
摘要翻译：维护与相应文件集管理器不同的每个文件集的生成值保留节点的独立性，同时还允许分布式文件集管理。文件集管理器可以将反映该节点（“节点生成”）的一致性快照的值与反映特定文件集（“文件集生成”）的一致性快照的值分开保留。

8. 发明申请

US20120066278A1 DISTRIBUTED FILE HIERARCHY MANAGEMENT IN A CLUSTERED REDIRECT-ON-WRITE FILE SYSTEM 失效
标题翻译：分布式重写文件系统中的分布式文件分层管理
公开(公告)号：US20120066278A1
公开(公告)日：2012-03-15
申请号：US12879717
申请日：2010-09-10
申请人： Janet E. Adkins , Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
IPC分类号： G06F17/30
CPC分类号： G06F17/30094 , G06F17/302
摘要： Management of a file hierarchy for a clustered file system can be distributed across nodes of the cluster. A cluster file hierarchy is accessed to determine location of a file in response to a request to write to a file. A first node maintains the cluster file hierarchy. It is determined that management of a fileset object, which represents a fileset that includes the file, has been delegated to a second node based, at least in part, on said accessing the cluster file hierarchy. A node file hierarchy maintained by the second node is accessed responsive to determining the delegation. The cluster file hierarchy represents filesets of the clustered file system and the node hierarchy represents a subset of one or more of the filesets. Location of the file is determined based, at least in part, on said accessing the node file hierarchy.
摘要翻译：集群文件系统的文件层次结构的管理可以分布在集群的节点上。访问集群文件层次结构以确定文件的位置以响应写入文件的请求。第一个节点维护群集文件层次结构。至少部分地基于对所述群集文件层次结构的访问，确定表示包括该文件的文件集的文件集对象的管理已委托给第二节点。响应于确定委托而访问由第二节点维护的节点文件层次结构。集群文件层次结构表示集群文件系统的文件集，节点层次结构表示一个或多个文件集的子集。至少部分地基于访问节点文件层级来确定文件的位置。

9. 发明申请

US20120209813A1 FILE CLONING ACROSS DIFFERENT FILESETS 失效
标题翻译：文件克隆不同的文件夹
公开(公告)号：US20120209813A1
公开(公告)日：2012-08-16
申请号：US13457048
申请日：2012-04-26
申请人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
IPC分类号： G06F17/30
CPC分类号： G06F17/3007 , G06F17/30017 , G06F17/30088
摘要： After a clone file is created from a file, a write request targeting the clone file can be handled. It is determined that the write request indicates the clone file that was cloned from a file in a first fileset. The clone file is of a second fileset and a clustered file system comprises the first fileset and the second fileset. A data block of the clone file affected by the write request is determined. It is then determined that the data block at a current location cannot be modified. The write request is implemented with respect to the data block at a different location. It is indicated that the data block at the different location can be modified for subsequent write requests that indicate the clone file
摘要翻译：从文件创建克隆文件后，可以处理针对克隆文件的写入请求。确定写入请求指示从第一个文件集中的文件克隆的克隆文件。克隆文件是第二个文件集，而群集文件系统包括第一个文件集和第二个文件集。确定受写入请求影响的克隆文件的数据块。然后确定当前位置的数据块不能被修改。相对于不同位置处的数据块实现写入请求。指出可以修改不同位置的数据块，以便后续的表示克隆文件的写入请求

10. 发明申请

US20120150926A1 DISTRIBUTED FREE BLOCK MAP FOR A CLUSTERED REDIRECT-ON-WRITE FILE SYSTEM 失效
标题翻译：用于集中的重写式写入文件系统的分布式免费块映射
公开(公告)号：US20120150926A1
公开(公告)日：2012-06-14
申请号：US12963166
申请日：2010-12-08
申请人： Janet E. Adkins , Matthew T. Brandyberry , Joon Chang , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
发明人： Janet E. Adkins , Matthew T. Brandyberry , Joon Chang , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
IPC分类号： G06F17/30
CPC分类号： G06F17/30182
摘要： In a cluster that distributes fileset management, fileset managers will maintain a free block map and an in-flight block map to allocate blocks to clients writing to a relevant fileset. A fileset manager managing free block allocation for cluster clients that write to a fileset managed by the fileset manager. Since a clustered file system manager manages an initial free block map for the cluster (“cluster free block map”), the clustered file system manager provisions free blocks to fileset managers from the cluster free block map. The fileset manager then allocates free blocks from the provisioned free blocks to cluster clients that write to the fileset managed by the fileset manager.
摘要翻译：在分发文件集管理的集群中，文件集管理器将维护一个空闲的块映射和一个正在运行中的块映射，以向写入相关文件集的客户端分配块。一个文件管理器管理器写入由文件集管理器管理的文件集的群集客户机的空闲块分配。由于集群文件系统管理器管理集群的初始自由块映射（“集群自由块映射”），所以集群文件系统管理器可以从集群自由块映射中为文件集管理器提供可用块。然后，文件集管理器从供应的空闲块中分配可用块到写入由文件集管理器管理的文件集的集群客户端。

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