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11. 发明申请

US20070043747A1 Storage reports file system scanner 有权
标题翻译：存储报告文件系统扫描器
公开(公告)号：US20070043747A1
公开(公告)日：2007-02-22
申请号：US11206425
申请日：2005-08-17
申请人： James Benton , Ran Kalach , Paul Oltean , Sarosh Havewala
发明人： James Benton , Ran Kalach , Paul Oltean , Sarosh Havewala
IPC分类号： G06F7/00
CPC分类号： G06F17/30067 , Y10S707/99942
摘要： Described is a storage reports scanner that works to generate reports of storage usage in computer systems in an efficient manner. The scanner receives a set of namespaces for a file system volume from a storage reports engine. The scanner scans file system metadata to construct a directory table of entries corresponding to a directory tree of nodes representative of the hierarchy of directories of the file system volume. Each node corresponding to a namespace in the namespace set is marked as included. A second scan of the file system metadata determines, for each file, whether that file is in or under an included directory by accessing the directory table. For each file that is in or is under an included directory, file information is returned to the engine. The engine may request the scanner to provide full path information, which the scanner determines via the directory table.
摘要翻译：描述了一种存储报告扫描器，用于以有效的方式生成计算机系统中的存储使用的报告。扫描仪从存储报告引擎接收一组文件系统卷的命名空间。扫描仪扫描文件系统元数据以构成与表示文件系统卷的目录的层次结构的节点的目录树相对应的条目的目录表。与命名空间集中的命名空间相对应的每个节点都被标记为包含。对于每个文件，文件系统元数据的第二次扫描是通过访问目录表来确定该文件是否在所包含的目录中或之下。对于位于或位于所包含的目录中的每个文件，文件信息将返回引擎。引擎可以请求扫描仪提供完整路径信息，扫描仪通过目录表确定。

12. 发明申请

US20060136529A1 Extensible file system 有权
公开(公告)号：US20060136529A1
公开(公告)日：2006-06-22
申请号：US11229485
申请日：2005-09-16
申请人： Ravisankar Pudipeddi , Vishal Ghotge , Sarosh Havewala , Ravinder Thind , Mark Zbikowski
发明人： Ravisankar Pudipeddi , Vishal Ghotge , Sarosh Havewala , Ravinder Thind , Mark Zbikowski
IPC分类号： G06F17/30
CPC分类号： G06F17/30179 , G06F17/30091 , G06F17/3012
摘要： An extensible file system format for portable storage media is provided. The extensible file system format includes the specification of primary and secondary directory entry types that may be custom defined. The primary and secondary directory entry types can be further classified as critical and benign directory entries.

13. 发明申请

US20070061279A1 Dirty shutdown recovery of file system filters 有权
标题翻译：关闭文件系统过滤器的关闭恢复
公开(公告)号：US20070061279A1
公开(公告)日：2007-03-15
申请号：US11217986
申请日：2005-09-01
申请人： Neal Christiansen , Ravinder Thind , Ravisankar Pudipeddi , Sarosh Havewala
发明人： Neal Christiansen , Ravinder Thind , Ravisankar Pudipeddi , Sarosh Havewala
IPC分类号： G06F17/30
CPC分类号： G06F11/008 , Y10S707/99939 , Y10S707/99953
摘要： File system metadata regarding states of a file system affected by transactions is tracked consistently even in the face of dirty shutdowns which might cause rollbacks in transactions which have already been reflected in the metadata. In order to only request time- and resource-heavy rebuilding of metadata for metadata which may have been affected by rollbacks, reliability information is tracked regarding metadata items. When a metadata item is affected by a transaction which may not complete properly in the case of a problematic shutdown or other event, that metadata item's reliability information indicates that it may not be reliable in case of such a problematic (“dirty” or“abnormal”) event. In addition to flag information indicating unreliability, timestamp information tracking a time of the command which has made a metadata item unreliable is also maintained. This timestamp information can then be used, along with information regarding a period after which the transaction will no longer cause a problem in the case of a problematic event, in order to reset the reliability information to indicate that the metadata item is now reliable even in the face of a problematic event.
摘要翻译：即使遇到已经在元数据中反映的事务中可能导致回滚的脏关机，文档系统元数据也会一直被跟踪。为了仅对请求可能受到回滚影响的元数据的元数据进行时间和资源重型重建，可以跟踪关于元数据项的可靠性信息。当元数据项目受到可能无法在有问题的关闭或其他事件的情况下可能无法正常完成的事务的影响时，该元数据项的可靠性信息表明在出现这种问题（“肮脏”或“异常”）情况下可能不可靠 “）事件。除了指示不可靠性的标志信息之外，还保持跟踪使得使元数据项不可靠的命令的时间的时间戳信息。然后可以使用该时间戳信息以及关于事务不再在有问题的事件的情况下不再导致问题的时间段的信息，以便重置可靠性信息以指示元数据项目现在是可靠的，即使在面对一个有问题的事件。

14. 发明申请

US20060117063A1 Method and system of applying policy on screened files 失效
标题翻译：在筛选文件上应用策略的方法和系统
公开(公告)号：US20060117063A1
公开(公告)日：2006-06-01
申请号：US10999537
申请日：2004-11-30
申请人： Sarosh Havewala , Neal Christiansen , Ran Kalach , Ravinder Thind , Jeremiah Moon
发明人： Sarosh Havewala , Neal Christiansen , Ran Kalach , Ravinder Thind , Jeremiah Moon
IPC分类号： G06F17/00
CPC分类号： G06F21/6218 , G06F21/6281 , Y10S707/99931 , Y10S707/99932
摘要： Described is a mechanism comprising a data screening filter and user mode service that applies (enforces) policies regarding allowing or blocking file content of a directory, based on matching the filename against patterns associated with that directory. An administrator configures a screening policy, such as the types of files to allow in a particular directory and the types of files to block. File groups of member patterns and non-member exclusion patterns are defined and selectively collected in directory screening objects (DSOs). A directory screening object (DSO) is associated with a directory. When an I/O create request specifying a filename and a target directory is received, the filename is evaluated against the member/non-member patterns in the file groups referenced by the DSO for that directory to make for an allow or block policy decision. If not matched, DSOs on parent directories are evaluated upwards seeking a policy decision.
摘要翻译：描述了一种包括数据筛选过滤器和用户模式服务的机制，其基于将文件名与与该目录相关联的模式匹配来应用关于允许或阻止目录的文件内容的（强制）策略。管理员配置筛选策略，例如要在特定目录中允许的文件类型以及要阻止的文件类型。成员模式和非成员排除模式的文件组被定义并选择性地收集在目录筛选对象（DSO）中。目录筛选对象（DSO）与目录相关联。当I / O创建请求指定文件名和目标目录时，会根据该目录的DSO引用的文件组中的成员/非成员模式来评估文件名，以作出允许或阻止策略决定。如果不匹配，父目录上的DSO将被向上评估，寻求政策决定。

15. 发明申请

US20060117056A1 Method and system of detecting file system namespace changes and restoring consistency 失效
公开(公告)号：US20060117056A1
公开(公告)日：2006-06-01
申请号：US11000180
申请日：2004-11-30
申请人： Sarosh Havewala , Ravinder Thind , Neal Christiansen , Ran Kalach , James Benton
发明人： Sarosh Havewala , Ravinder Thind , Neal Christiansen , Ran Kalach , James Benton
IPC分类号： G06F17/00
CPC分类号： G06F17/30067 , Y10S707/99943 , Y10S707/99945 , Y10S707/99948
摘要： Method and system for maintaining namespace consistency between selected objects maintained by a file system and a filter associated therewith. Metadata regarding selected objects of a file system is maintained by a filter while the filter is attached to the file system and persisted in non-volatile storage. The namespace of the file system may be changed while the filter is unattached from the file system. Afterwards, when the filter is attached to the file system, the namespace of the filter is synchronized with the namespace of the file system for the selected objects.

16. 发明申请

US20060117048A1 Method and system of synchronizing filter metadata after a restore 审中-公开
标题翻译：恢复后同步过滤元数据的方法和系统
公开(公告)号：US20060117048A1
公开(公告)日：2006-06-01
申请号：US10999529
申请日：2004-11-30
申请人： Ravinder Thind , Neal Christiansen , Sarosh Havewala
发明人： Ravinder Thind , Neal Christiansen , Sarosh Havewala
IPC分类号： G06F7/00
CPC分类号： G06F16/10
摘要： A method and system for updating a filter's data after the filter's metadata file is restored. The filter maintains an open handle to the metadata until the filter receives a request to have the metadata restored. The filter then closes the open handle and allows the metadata to be restored. After the metadata is restored, data associated with the filter is rebuilt based on the restored metadata.
摘要翻译：在过滤器元数据文件恢复之后更新过滤器数据的方法和系统。过滤器维护元数据的打开句柄，直到过滤器接收到要恢复元数据的请求。然后，过滤器关闭打开的句柄，并允许恢复元数据。元数据恢复后，基于恢复的元数据重建与过滤器相关联的数据。

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