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1. 发明申请

US20070005555A1 Method and mechanism for supporting virtual content in performing file operations at a RDBMS 有权
标题翻译：在RDBMS执行文件操作时支持虚拟内容的方法和机制
公开(公告)号：US20070005555A1
公开(公告)日：2007-01-04
申请号：US11172088
申请日：2005-06-29
申请人： Namit Jain , Nipun Agarwal , Vikram Kapoor , Syam Pannala , Ravi Murthy
发明人： Namit Jain , Nipun Agarwal , Vikram Kapoor , Syam Pannala , Ravi Murthy
IPC分类号： G06F17/30
CPC分类号： G06F17/30171 , G06F17/30233
摘要： Techniques are provided for accessing and storing files within a virtual folder. A virtual folder is a folder that is logically a part of a hierarchical folder structure of a file system repository, but the contents of the virtual folder are not physically stored in the file system repository. A client may issue, to an access mechanism, a request to perform a file operation on a file in a virtual folder. The access mechanism, which may be a database server or a component therein, may perform the file operation on the file in the virtual folder as if the file was stored in a particular folder within the hierarchical folder structure implemented by the file system repository. Advantageously, files may be physically stored outside of the file system repository, but still be a part of the hierarchical folder structure implemented by the file system repository.
摘要翻译：提供技术来访问和存储虚拟文件夹中的文件。虚拟文件夹是逻辑上是文件系统存储库的分层文件夹结构的一部分的文件夹，但虚拟文件夹的内容不会物理存储在文件系统存储库中。客户端可以向访问机制发出对虚拟文件夹中的文件执行文件操作的请求。可以是数据库服务器或其中的组件的访问机制可以对虚拟文件夹中的文件执行文件操作，就好像该文件被存储在由文件系统存储库实现的分层文件夹结构内的特定文件夹中。有利地，文件可以物理地存储在文件系统存储库之外，但仍然是由文件系统存储库实现的分层文件夹结构的一部分。

2. 发明授权

US08224837B2 Method and mechanism for supporting virtual content in performing file operations at a RDBMS 有权
标题翻译：在RDBMS执行文件操作时支持虚拟内容的方法和机制
公开(公告)号：US08224837B2
公开(公告)日：2012-07-17
申请号：US11172088
申请日：2005-06-29
申请人： Namit Jain , Nipun Agarwal , Vikram Kapoor , Syam Pannala , Ravi Murthy
发明人： Namit Jain , Nipun Agarwal , Vikram Kapoor , Syam Pannala , Ravi Murthy
IPC分类号： G06F17/30
CPC分类号： G06F17/30171 , G06F17/30233
摘要： Techniques are provided for accessing and storing files within a virtual folder. A virtual folder is a folder that is logically a part of a hierarchical folder structure of a file system repository, but the contents of the virtual folder are not physically stored in the file system repository. A client may issue, to an access mechanism, a request to perform a file operation on a file in a virtual folder. The access mechanism, which may be a database server or a component therein, may perform the file operation on the file in the virtual folder as if the file was stored in a particular folder within the hierarchical folder structure implemented by the file system repository. Advantageously, files may be physically stored outside of the file system repository, but still be a part of the hierarchical folder structure implemented by the file system repository.
摘要翻译：提供技术来访问和存储虚拟文件夹中的文件。虚拟文件夹是逻辑上是文件系统存储库的分层文件夹结构的一部分的文件夹，但虚拟文件夹的内容不会物理存储在文件系统存储库中。客户端可以向访问机制发出对虚拟文件夹中的文件执行文件操作的请求。可以是数据库服务器或其中的组件的访问机制可以对虚拟文件夹中的文件执行文件操作，就好像该文件被存储在由文件系统存储库实现的分层文件夹结构内的特定文件夹中。有利地，文件可以物理地存储在文件系统存储库之外，但仍然是由文件系统存储库实现的分层文件夹结构的一部分。

3. 发明授权

US07610304B2 Techniques for performing file operations involving a link at a database management system 有权
标题翻译：用于执行涉及数据库管理系统中的链接的文件操作的技术
公开(公告)号：US07610304B2
公开(公告)日：2009-10-27
申请号：US11294894
申请日：2005-12-05
申请人： Namit Jain , Nipun Agarwal , Ravi Murthy , Syam Pannala , Vikram Kapoor , Eric Sedlar
发明人： Namit Jain , Nipun Agarwal , Ravi Murthy , Syam Pannala , Vikram Kapoor , Eric Sedlar
IPC分类号： G06F17/30 , G06F15/16
CPC分类号： G06F17/30504 , G06F17/30115 , Y10S707/99931 , Y10S707/99943
摘要： A method and apparatus for performing file system operations involving a link is provided. A request to perform a file system operation involving a link is received from a client at a database server. The link may establish a relationship a source resource has to a target resource. The source resource and the target resource may be stored within a repository implemented by a storage medium, such as a database. The database server may perform the file system operation by storing, in the database, one or more link records that identifies the link between the first resource and the second resource. File system operations, such as a NFS file system operation, which involve links may be performed at a database management system.
摘要翻译：提供一种用于执行涉及链接的文件系统操作的方法和装置。从数据库服务器的客户端接收到执行涉及链接的文件系统操作的请求。该链接可以建立源资源与目标资源的关系。源资源和目标资源可以存储在由诸如数据库的存储介质实现的存储库中。数据库服务器可以通过在数据库中存储标识第一资源和第二资源之间的链接的一个或多个链接记录来执行文件系统操作。可以在数据库管理系统中执行涉及链接的诸如NFS文件系统操作的文件系统操作。

4. 发明申请

US20070130157A1 Techniques for performing file operations involving a link at a database management system 有权
标题翻译：用于执行涉及数据库管理系统中的链接的文件操作的技术
公开(公告)号：US20070130157A1
公开(公告)日：2007-06-07
申请号：US11294894
申请日：2005-12-05
申请人： Namit Jain , Nipun Agarwal , Ravi Murthy , Syam Pannala , Vikram Kapoor , Eric Sedlar
发明人： Namit Jain , Nipun Agarwal , Ravi Murthy , Syam Pannala , Vikram Kapoor , Eric Sedlar
IPC分类号： G06F17/30
CPC分类号： G06F17/30504 , G06F17/30115 , Y10S707/99931 , Y10S707/99943
摘要： A method and apparatus for performing file system operations involving a link is provided. A request to perform a file system operation involving a link is received from a client at a database server. The link may establish a relationship a source resource has to a target resource. The source resource and the target resource may be stored within a repository implemented by a storage medium, such as a database. The database server may perform the file system operation by storing, in the database, one or more link records that identifies the link between the first resource and the second resource. File system operations, such as a NFS file system operation, which involve links may be performed at a database management system.
摘要翻译：提供一种用于执行涉及链接的文件系统操作的方法和装置。从数据库服务器的客户端接收到执行涉及链接的文件系统操作的请求。该链接可以建立源资源与目标资源的关系。源资源和目标资源可以存储在由诸如数据库的存储介质实现的存储库中。数据库服务器可以通过在数据库中存储标识第一资源和第二资源之间的链接的一个或多个链接记录来执行文件系统操作。可以在数据库管理系统中执行涉及链接的诸如NFS文件系统操作的文件系统操作。

5. 发明授权

US07809675B2 Sharing state information among a plurality of file operation servers 有权
标题翻译：在多个文件操作服务器之间共享状态信息
公开(公告)号：US07809675B2
公开(公告)日：2010-10-05
申请号：US11172472
申请日：2005-06-29
申请人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
发明人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
IPC分类号： G06F17/30 , G06F12/00
CPC分类号： G06F17/30171 , G06F17/30233 , Y10S707/99931 , Y10S707/99942 , Y10S707/99943
摘要： A method and apparatus for sharing state information among a plurality of servers is provided. A first server receives a request to perform a file operation, such as a NFS file system operation. Thereafter, the first server updates state information to reflect a change in state associated with processing the request. The first server then causes state update information, which identifies the change in state that was made at the first server, to be propagated to a second server. The second server updates state information, stored at the second server, to reflect the change in state associated with processing the request at the first server. Advantageously, a client may send a series of stateful file operations to either the first server or the second server, even if processing any one of the stateful file operation requests requires knowledge of the state of processing prior requests in the series of requests.
摘要翻译：提供了一种用于在多个服务器之间共享状态信息的方法和装置。第一服务器接收执行诸如NFS文件系统操作之类的文件操作的请求。此后，第一服务器更新状态信息以反映与处理请求相关联的状态变化。然后，第一服务器导致状态更新信息，其标识在第一服务器处进行的状态的改变，以被传播到第二服务器。第二服务器更新存储在第二服务器处的状态信息，以反映与在第一服务器处理请求相关联的状态变化。有利地，客户机可以向第一服务器或第二服务器发送一系列有状态的文件操作，即使处理有状态文件操作请求中的任何一个需要知道在一系列请求中处理先前请求的状态。

6. 发明授权

US07409397B2 Supporting replication among a plurality of file operation servers 有权
标题翻译：支持多个文件操作服务器之间的复制
公开(公告)号：US07409397B2
公开(公告)日：2008-08-05
申请号：US11172674
申请日：2005-06-30
申请人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
发明人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
IPC分类号： G06F17/30
CPC分类号： G06F17/30171 , G06F17/30233 , Y10S707/99931 , Y10S707/99942 , Y10S707/99943
摘要： A method and apparatus for performing network file system (NFS) operations across a plurality of servers is provided. At a first server, a filehandle for a particular file is generated based, at least in part, on an identifier that uniquely identifies the particular file relative to all other files within a file system repository. The file system repository may be implemented in a database. The identifier may also be stored in the database. The first server sends a client the filehandle. The client may thereafter send another request for the performance of a file operation, containing the filehandle, to a different server. The second server may read the filehandle and use the identifier to locate the file within the repository against which to perform the file operation without receiving, from the first server, information that associates the filehandle with the file.
摘要翻译：提供了一种用于在多个服务器上执行网络文件系统（NFS）操作的方法和装置。在第一服务器上，至少部分地基于唯一地标识特定文件相对于文件系统存储库内的所有其他文件的标识符生成特定文件的文件句柄。文件系统存储库可以在数据库中实现。标识符也可以存储在数据库中。第一台服务器向客户端发送文件句柄。然后，客户端可以向包含文件句柄的文件操作执行另一请求，到不同的服务器。第二服务器可以读取文件句柄并且使用标识符来定位要在其中执行文件操作的存储库内的文件，而不从第一服务器接收将文件句柄与该文件相关联的信息。

7. 发明申请

US20070005604A1 Supporting replication among a plurality of file operation servers 有权
标题翻译：支持多个文件操作服务器之间的复制
公开(公告)号：US20070005604A1
公开(公告)日：2007-01-04
申请号：US11172674
申请日：2005-06-30
申请人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
发明人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
IPC分类号： G06F17/30
CPC分类号： G06F17/30171 , G06F17/30233 , Y10S707/99931 , Y10S707/99942 , Y10S707/99943
摘要： A method and apparatus for performing network file system (NFS) operations across a plurality of servers is provided. At a first server, a filehandle for a particular file is generated based, at least in part, on an identifier that uniquely identifies the particular file relative to all other files within a file system repository. The file system repository may be implemented in a database. The identifier may also be stored in the database. The first server sends a client the filehandle. The client may thereafter send another request for the performance of a file operation, containing the filehandle, to a different server. The second server may read the filehandle and use the identifier to locate the file within the repository against which to perform the file operation without receiving, from the first server, information that associates the filehandle with the file.
摘要翻译：提供了一种用于在多个服务器上执行网络文件系统（NFS）操作的方法和装置。在第一服务器上，至少部分地基于唯一地标识特定文件相对于文件系统存储库内的所有其他文件的标识符生成特定文件的文件句柄。文件系统存储库可以在数据库中实现。标识符也可以存储在数据库中。第一台服务器向客户端发送文件句柄。然后，客户端可以向包含文件句柄的文件操作执行另一请求，到不同的服务器。第二服务器可以读取文件句柄并且使用标识符来定位要在其中执行文件操作的存储库内的文件，而不从第一服务器接收将文件句柄与该文件相关联的信息。

8. 发明申请

US20070005603A1 Sharing state information among a plurality of file operation servers 有权
标题翻译：在多个文件操作服务器间共享状态信息
公开(公告)号：US20070005603A1
公开(公告)日：2007-01-04
申请号：US11172472
申请日：2005-06-29
申请人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
发明人： Namit Jain , Syam Pannala , Sam Idicula , Nipun Agarwal , Eric Sedlar , Vikram Kapoor
IPC分类号： G06F17/30
CPC分类号： G06F17/30171 , G06F17/30233 , Y10S707/99931 , Y10S707/99942 , Y10S707/99943
摘要： A method and apparatus for sharing state information among a plurality of servers is provided. A first server receives a request to perform a file operation, such as a NFS file system operation. Thereafter, the first server updates state information to reflect a change in state associated with processing the request. The first server then causes state update information, which identifies the change in state that was made at the first server, to be propagated to a second server. The second server updates state information, stored at the second server, to reflect the change in state associated with processing the request at the first server. Advantageously, a client may send a series of stateful file operations to either the first server or the second server, even if processing any one of the stateful file operation requests requires knowledge of the state of processing prior requests in the series of requests.
摘要翻译：提供了一种用于在多个服务器之间共享状态信息的方法和装置。第一服务器接收执行诸如NFS文件系统操作之类的文件操作的请求。此后，第一服务器更新状态信息以反映与处理请求相关联的状态变化。然后，第一服务器导致状态更新信息，其标识在第一服务器处进行的状态的改变，以被传播到第二服务器。第二服务器更新存储在第二服务器处的状态信息，以反映与在第一服务器处理请求相关联的状态变化。有利地，客户机可以向第一服务器或第二服务器发送一系列有状态的文件操作，即使处理有状态文件操作请求中的任何一个需要知道在一系列请求中处理先前请求的状态。

9. 发明申请

US20060136516A1 Techniques for maintaining consistency for different requestors of files in a database management system 有权
公开(公告)号：US20060136516A1
公开(公告)日：2006-06-22
申请号：US11013890
申请日：2004-12-16
申请人： Namit Jain , Sam Idicula , Syam Pannala , Nipun Agarwal , Ravi Murthy , Eric Sedlar
发明人： Namit Jain , Sam Idicula , Syam Pannala , Nipun Agarwal , Ravi Murthy , Eric Sedlar
IPC分类号： G06F17/30
CPC分类号： G06F17/30171 , Y10S707/99938 , Y10S707/99939
摘要： A method and apparatus for providing file system operation locks at a database server is provided. A database server may employ database locks and file system operation locks in servicing requests from consistent requestors and inconsistent requesters. A database lock is a lock that is obtained in response to performing a database operation, and the database lock is released when the database operation has successfully completed. A file system operation lock is a lock that is obtained in response to performing an OPEN file system operation, and the file system operation lock is released when a CLOSE file system operation is performed. The database server may use a temporary copy of the resource, which reflects all the current changes that have been made to the resource by database operations, in servicing consistent requestors, and may use the original version of the resource in servicing inconsistent requesters.

10. 发明申请

US20060136508A1 Techniques for providing locks for file operations in a database management system 审中-公开
标题翻译：在数据库管理系统中提供文件操作锁的技术
公开(公告)号：US20060136508A1
公开(公告)日：2006-06-22
申请号：US11013519
申请日：2004-12-16
申请人： Sam Idicula , Namit Jain , Syam Pannala , Vasudha Krishnaswamy , Eric Sedlar , Nipun Agarwal , Bipul Sinha , Ravi Murthy
发明人： Sam Idicula , Namit Jain , Syam Pannala , Vasudha Krishnaswamy , Eric Sedlar , Nipun Agarwal , Bipul Sinha , Ravi Murthy
IPC分类号： G06F17/30
CPC分类号： G06F16/1774
摘要： A method and apparatus for performing file system operation locks at a database server is provided. A request to perform a file operation on a portion of a file managed by a database server is received at the database server. In response to receiving the request, the database server grants a lock that covers only a portion of the file that is involved in the file operation. For example, the database server may grant a lock that covers a range of bytes on the file, where the range of bytes is less than the entire file. Thereafter, the database server performs the file operation on the file. The file operation may be a NFS operation.
摘要翻译：提供了一种用于在数据库服务器执行文件系统操作锁定的方法和装置。在数据库服务器处接收对由数据库服务器管理的文件的一部分执行文件操作的请求。响应于接收到该请求，数据库服务器授予仅覆盖文件操作中涉及的文件的一部分的锁。例如，数据库服务器可以授予覆盖文件范围的字节的锁，其中字节的范围小于整个文件。此后，数据库服务器对文件执行文件操作。文件操作可能是NFS操作。

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