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1. 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.

2. 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。

3. 发明申请

US20060117070A1 Auto quota 失效
标题翻译：自动配额
公开(公告)号：US20060117070A1
公开(公告)日：2006-06-01
申请号：US11000294
申请日：2004-11-30
申请人： Ravinder Thind , Neal Christiansen , Ran Kalach , James Benton , Rajeev Nagar
发明人： Ravinder Thind , Neal Christiansen , Ran Kalach , James Benton , Rajeev Nagar
IPC分类号： G06F17/30
CPC分类号： G06F17/30067 , Y10S707/99942
摘要： Method and system for establishing and maintaining quotas. An auto quota is defined and applied to a directory. Input and output is monitored to detect a successful operation that involves a subdirectory of the directory. A determination is made as to whether to apply a quota associated with the auto quota to the subdirectory. If the determination is that the quota is to be applied to the subdirectory, it is automatically applied.
摘要翻译：建立和维持配额的方法和制度。自动配额被定义并应用于目录。监视输入和输出以检测涉及目录子目录的成功操作。确定是否将与自动配额相关联的配额应用于子目录。如果确定将配额应用于子目录，则会自动应用。

4. 发明申请

US20060116985A1 Method and system for maintaining namespace consistency with a file system 失效
公开(公告)号：US20060116985A1
公开(公告)日：2006-06-01
申请号：US11000430
申请日：2004-11-30
申请人： Ravinder Thind , Sarosh Havewala , Neal Christiansen
发明人： Ravinder Thind , Sarosh Havewala , Neal Christiansen
IPC分类号： G06F17/30
CPC分类号： G06F17/30123 , Y10S707/99933 , Y10S707/99939
摘要： A method and system for maintaining namespace consistency between selected objects maintained by a file system and a filter associated therewith. A filter monitors selected types of requests (or operations associated therewith) and determines whether the object is within a namespace associated with the filter. The namespace associated with the filter is updated based on a change to the object.

5. 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。

6. 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。

7. 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.

8. 发明申请

US20080091702A1 EXTENDING CLUSTER ALLOCATIONS IN AN EXTENSIBLE FILE SYSTEM 有权
标题翻译：扩展可扩展文件系统中的群集分配
公开(公告)号：US20080091702A1
公开(公告)日：2008-04-17
申请号：US11752872
申请日：2007-05-23
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： G06F7/00
CPC分类号： G06F17/30324 , G06F3/0607 , G06F3/0643 , G06F3/067 , G06F17/3007 , G06F17/30138 , G06F17/30182 , G06F17/30218 , G06F17/30342 , G06F17/30581 , G06F17/30598
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. The directory entry types can define whether a cluster chain corresponding to a file can be contiguously allocated.
摘要翻译：提供了一种用于便携式存储介质的可扩展文件系统格式。可扩展文件系统格式包括可以自定义定义的主要和次要目录条目类型的规范。主要和次要目录条目类型可以进一步分类为关键和良性的目录条目。目录条目类型可以定义是否可以连续分配对应于文件的集群链。

9. 发明申请

US20070286046A1 Pseudo-Overwriting Data On Write-Once Discs 有权
标题翻译：一次写入光盘中的伪覆盖数据
公开(公告)号：US20070286046A1
公开(公告)日：2007-12-13
申请号：US10597863
申请日：2005-05-09
申请人： Rajeev Nagar , Garret Buban , Yoshiho Gotoh , Sarosh Havewala , Ravinder Thind , Vishal Ghotge
发明人： Rajeev Nagar , Garret Buban , Yoshiho Gotoh , Sarosh Havewala , Ravinder Thind , Vishal Ghotge
IPC分类号： G11B20/10
CPC分类号： G11B20/10 , G06F3/0626 , G06F3/0643 , G06F3/0677 , G11B20/1217 , G11B2020/10898 , G11B2020/1222 , G11B2020/1232 , G11B2020/1238 , G11B2020/1267 , G11B2020/1288 , G11B2020/1893 , G11B2220/218 , G11B2220/2537 , G11B2220/2541
摘要： A file system which is enabled to use a Metadata Partition instead of VAT for write-once discs, is provided by a pseudo-overwrite method. On applying this invention to a drive apparatus which supports pseudo-overwrite media, the file system distinguishes data to overwrite from data to append. When the data is newly written to a logical sector (S1305), the drive apparatus writes the data to a physical sector to which the logical sector corresponds (S1311). When the logical sector is overwritten the data is written to another unrecorded physical sector in the volume space (1321), and remapping information that specifies the original address, and the remapping address are stored in the remapping table (S1322).
摘要翻译：通过伪重写方法提供了能够使用元数据分区而不是VAT一次写入光盘的文件系统。在将本发明应用于支持伪覆盖介质的驱动装置时，文件系统将数据区分为从附加到数据的覆盖。当数据被新写入逻辑扇区时（S1305），驱动装置将数据写入与逻辑扇区对应的物理扇区（S1311）。当逻辑扇区被覆盖时，数据被写入卷空间中的另一个未记录的物理扇区（1321），并且重映射指定原始地址的信息和重映射地址被存储在重映射表中（S1322）。

10. 发明申请

US20070118559A1 File system filters and transactions 审中-公开
标题翻译：文件系统过滤器和事务
公开(公告)号：US20070118559A1
公开(公告)日：2007-05-24
申请号：US11282879
申请日：2005-11-18
申请人： Neal Christiansen , Ravinder Thind , Ravisankar Pudipeddi , Dana Groff , Jonathan Cargille
发明人： Neal Christiansen , Ravinder Thind , Ravisankar Pudipeddi , Dana Groff , Jonathan Cargille
IPC分类号： G06F17/00
CPC分类号： G06F16/1865
摘要： Aspects of the subject matter described herein relate to file system filters and transactions. In aspects, a filter may enlist to receive notification of events associated with a transaction. Afterwards, the filter may receive notification of a transaction event for which it has enlisted. In response to receiving notification of the transaction the filter may perform an action as appropriate. Aspects of the subject matter described herein may be applied to stacked and managed filters.
摘要翻译：本文描述的主题的方面涉及文件系统过滤器和事务。在方面中，过滤器可以招募以接收与事务相关联的事件的通知。之后，过滤器可以接收它已经登记的交易事件的通知。响应于接收到交易的通知，过滤器可以适当地执行动作。本文描述的主题的方面可以应用于堆叠和管理的滤波器。

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