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1. 发明申请

US20130046890A1 ACTIVITY-BASED BLOCK MANAGEMENT OF A CLUSTERED FILE SYSTEM USING CLIENT-SIDE BLOCK MAPS 有权
标题翻译：使用客户端块块的集群文件系统的基于活动的块管理
公开(公告)号：US20130046890A1
公开(公告)日：2013-02-21
申请号：US13210080
申请日：2011-08-15
申请人： Janet Adkins , Matthew T. Brandyberry , Ninad Palsule
发明人： Janet Adkins , Matthew T. Brandyberry , Ninad Palsule
IPC分类号： G06F15/16
CPC分类号： H04L67/1097 , G06F17/30197 , G06F17/302 , H04L12/6418 , H04L67/42
摘要： A technique for operating a client node in a clustered file system includes allocating a number of blocks during a first time window and tracking the number of blocks allocated during the first time window. The technique further includes transmitting a block allocation request to a server node of the clustered file system for a number of requested blocks in response to a number of free blocks in a client-side block map reaching a first threshold value. In this case, the number of the requested blocks is based on the number of blocks allocated by the client node during the first time window.
摘要翻译：在群集文件系统中操作客户端节点的技术包括在第一时间窗口期间分配多个块并且跟踪在第一时间窗口期间分配的块的数量。该技术还包括响应于客户端侧块映射中的空闲块的数量达到第一阈值，向多个所请求的块发送块分配请求到群集文件系统的服务器节点。在这种情况下，所请求的块的数量是基于在第一时间窗口期间由客户机节点分配的块的数量。

2. 发明申请

US20060041727A1 Apparatus, system, and method for differential backup using snapshot on-write data 有权
标题翻译：使用快照写入数据进行差异备份的设备，系统和方法
公开(公告)号：US20060041727A1
公开(公告)日：2006-02-23
申请号：US10920964
申请日：2004-08-18
申请人： Janet Adkins , Joon Chang , Neeta Garimella
发明人： Janet Adkins , Joon Chang , Neeta Garimella
IPC分类号： G06F12/16
CPC分类号： G06F11/1451 , G06F11/1469 , G06F2201/84 , Y10S707/99953
摘要： An apparatus, system, and method are disclosed for differential data backup using snapshot on-write data. A snapshot module maintains an on-write data structure that captures a point-in-time or temporal instance of a data set by tracking modifications to data blocks of a data set. A backup module copies the data set to a backup data storage device as a full data set backup. In addition, the backup module copies each modified data block indicated by the on-write data structure and a differential time stamp to the backup data storage device as a differential data set backup. The full data set backup and one or more differential data set backups form a plurality of temporal instances of the data set. In one embodiment, a restore module recovers a selected instance of the data set responsive to receiving a restore command by copying the full data set backup to a target data storage device. In addition, the restore module may copy the differential data set backup to the target data storage device if the differential time stamp corresponds to a target time value.
摘要翻译：公开了使用快照写入数据进行差分数据备份的装置，系统和方法。快照模块维护写入数据结构，通过跟踪对数据集的数据块的修改来捕获数据集的时间点或时间实例。备份模块将数据集复制到备份数据存储设备作为完整数据集备份。此外，备份模块将由写入数据结构指示的每个修改的数据块和差分时间戳复制到备份数据存储设备作为差分数据集备份。完整数据集备份和一个或多个差分数据集备份形成数据集的多个时间实例。在一个实施例中，恢复模块响应于通过将完整数据集备份复制到目标数据存储设备来接收恢复命令来恢复数据集的选定实例。此外，如果差分时间戳对应于目标时间值，则还原模块可以将差分数据集备份复制到目标数据存储设备。

3. 发明授权

US09009205B2 Activity-based block management of a clustered file system using client-side block maps 有权
标题翻译：使用客户端块映射的群集文件系统的基于活动的块管理
公开(公告)号：US09009205B2
公开(公告)日：2015-04-14
申请号：US13210080
申请日：2011-08-15
申请人： Janet Adkins , Matthew T. Brandyberry , Ninad Palsule
发明人： Janet Adkins , Matthew T. Brandyberry , Ninad Palsule
IPC分类号： G06F17/30 , H04L29/08 , H04L12/64 , H04L29/06
CPC分类号： H04L67/1097 , G06F17/30197 , G06F17/302 , H04L12/6418 , H04L67/42
摘要： A technique for operating a client node in a clustered file system includes allocating a number of blocks during a first time window and tracking the number of blocks allocated during the first time window. The technique further includes transmitting a block allocation request to a server node of the clustered file system for a number of requested blocks in response to a number of free blocks in a client-side block map reaching a first threshold value. In this case, the number of the requested blocks is based on the number of blocks allocated by the client node during the first time window.
摘要翻译：在群集文件系统中操作客户端节点的技术包括在第一时间窗口期间分配多个块并且跟踪在第一时间窗口期间分配的块的数量。该技术还包括响应于客户端侧块映射中的空闲块的数量达到第一阈值，向多个所请求的块发送块分配请求到群集文件系统的服务器节点。在这种情况下，所请求的块的数量是基于在第一时间窗口期间由客户机节点分配的块的数量。

4. 发明申请

US20070073781A1 Method and apparatus to capture and transmit dense diagnostic data of a file system 失效
标题翻译：捕获和传输文件系统密集诊断数据的方法和装置
公开(公告)号：US20070073781A1
公开(公告)日：2007-03-29
申请号：US11236450
申请日：2005-09-27
申请人： Janet Adkins , Mark Grubbs
发明人： Janet Adkins , Mark Grubbs
IPC分类号： G06F17/30
CPC分类号： G06F11/1435 , Y10S707/99953
摘要： A processor selects file system metadata. A processor identifies each unit of data in a file system. The processor determines if the unit of data contains file system metadata. The processor writes a unit of data of metadata to a diagnostic file system, provided it was determined that the unit of data contains file system metadata. The processor then determines if the unit of data contains user data. If the unit of data contains user data, the processor writes a sparse object to the diagnostic file.
摘要翻译：处理器选择文件系统元数据。处理器识别文件系统中的每个数据单元。处理器确定数据单元是否包含文件系统元数据。如果确定数据单元包含文件系统元数据，则处理器将元数据的数据单元写入诊断文件系统。然后处理器确定数据单元是否包含用户数据。如果数据单元包含用户数据，则处理器将稀疏对象写入诊断文件。

5. 发明申请

US20070174353A1 Method and apparatus to proactively capture and transmit dense diagnostic data of a file system 失效
标题翻译：用于主动捕获和传输文件系统的密集诊断数据的方法和装置
公开(公告)号：US20070174353A1
公开(公告)日：2007-07-26
申请号：US11334669
申请日：2006-01-18
申请人： Janet Adkins , Mark Grubbs
发明人： Janet Adkins , Mark Grubbs
IPC分类号： G06F17/30
CPC分类号： G06F11/0748 , G06F11/0727 , G06F11/0793 , G06F11/3476 , Y10S707/99955
摘要： An operating system creates a current sparse object in a diagnostic file system. Then the operating system processes a change to data contained in a block. The operating system determines if the change is to a metadata block. The operating system encodes the change in a journal log, in response to a determination that the change is to a metadata block. In addition, the operating system writes the block to the current sparse object, in response to a determination that the change is to a metadata block.
摘要翻译：操作系统在诊断文件系统中创建当前的稀疏对象。然后操作系统处理块中包含的数据的更改。操作系统确定更改是否为元数据块。响应于确定更改是对元数据块，操作系统对日志日志中的更改进行编码。此外，操作系统响应于确定更改为元数据块，将块写入当前稀疏对象。

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