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1. 发明申请

US20120066431A1 RECOVERABILITY WHILE ADDING STORAGE TO A REDIRECT-ON-WRITE STORAGE POOL 失效
标题翻译：将存储添加到重写存储池中的可恢复性
公开(公告)号：US20120066431A1
公开(公告)日：2012-03-15
申请号：US12879743
申请日：2010-09-10
申请人： David K. Bradford , David J. Craft , Manoj N. Kumar , Grover H. Neuman , Frank L. Nichols, III , Andrew N. Solomon
发明人： David K. Bradford , David J. Craft , Manoj N. Kumar , Grover H. Neuman , Frank L. Nichols, III , Andrew N. Solomon
IPC分类号： G06F12/02
CPC分类号： G06F11/1471 , G06F3/0632 , G06F12/0246 , G06F2201/84 , G06F2212/7201
摘要： Embodiments include a method comprising detecting addition of a new nonvolatile machine-readable medium to a data storage pool of nonvolatile machine-readable media. The method includes preventing from being performed a first operation of a file system that requires a first parameter that identifies a logical indication of a location within the nonvolatile machine-readable media for the file system, until logical indications of locations within the new nonvolatile machine-readable medium for the file system have been stored in the data storage pool. The method includes allowing to be performed, prior to logical indications of locations within the new nonvolatile machine-readable medium being stored in the data storage pool, a second operation of the file system that does not require a second parameter that identifies a logical indication of a location within the nonvolatile machine-readable media, wherein the second operation causes data to be written into the new nonvolatile machine-readable medium.
摘要翻译：实施例包括一种方法，包括检测新的非易失性机器可读介质的添加到非易失性机器可读介质的数据存储池。该方法包括防止执行文件系统的第一操作，文件系统的第一参数需要标识用于文件系统的非易失性机器可读介质内的位置的逻辑指示的第一参数，直到新的非易失性机器可读介质内的位置的逻辑指示为止，文件系统的可读介质已经存储在数据存储池中。该方法包括允许在新的非易失性机器可读介质中存储在数据存储池中的位置的逻辑指示之前执行文件系统的第二操作，其不需要标识逻辑指示的第二参数所述非易失性机器可读介质内的位置，其中所述第二操作使数据被写入所述新的非易失性机器可读介质。

2. 发明授权

US08402230B2 Recoverability while adding storage to a redirect-on-write storage pool 失效
标题翻译：将存储添加到写入重定向存储池时的可恢复性
公开(公告)号：US08402230B2
公开(公告)日：2013-03-19
申请号：US12879743
申请日：2010-09-10
申请人： David K. Bradford , David J. Craft , Manoj N. Kumar , Grover H. Neuman , Frank L. Nichols, III , Andrew N. Solomon
发明人： David K. Bradford , David J. Craft , Manoj N. Kumar , Grover H. Neuman , Frank L. Nichols, III , Andrew N. Solomon
IPC分类号： G06F12/06 , G06F12/16
CPC分类号： G06F11/1471 , G06F3/0632 , G06F12/0246 , G06F2201/84 , G06F2212/7201
摘要： Embodiments include a method comprising detecting addition of a new nonvolatile machine-readable medium to a data storage pool of nonvolatile machine-readable media. The method includes preventing from being performed a first operation of a file system that requires a first parameter that identifies a logical indication of a location within the nonvolatile machine-readable media for the file system, until logical indications of locations within the new nonvolatile machine-readable medium for the file system have been stored in the data storage pool. The method includes allowing to be performed, prior to logical indications of locations within the new nonvolatile machine-readable medium being stored in the data storage pool, a second operation of the file system that does not require a second parameter that identifies a logical indication of a location within the nonvolatile machine-readable media, wherein the second operation causes data to be written into the new nonvolatile machine-readable medium.
摘要翻译：实施例包括一种方法，包括检测新的非易失性机器可读介质的添加到非易失性机器可读介质的数据存储池。该方法包括防止执行文件系统的第一操作，文件系统的第一参数需要标识用于文件系统的非易失性机器可读介质内的位置的逻辑指示的第一参数，直到新的非易失性机器可读介质内的位置的逻辑指示为止，文件系统的可读介质已经存储在数据存储池中。该方法包括允许在新的非易失性机器可读介质中存储在数据存储池中的位置的逻辑指示之前执行文件系统的第二操作，其不需要标识逻辑指示的第二参数所述非易失性机器可读介质内的位置，其中所述第二操作使数据被写入所述新的非易失性机器可读介质。

3. 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。

4. 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。

5. 发明申请

US20120066190A1 HANDLING FILE OPERATIONS WITH LOW PERSISTENT STORAGE SPACE 有权
标题翻译：处理文件存储空间不足的文件
公开(公告)号：US20120066190A1
公开(公告)日：2012-03-15
申请号：US12879887
申请日：2010-09-10
申请人： Janet E. Adkins , Matthew T. Brandyberry , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
发明人： Janet E. Adkins , Matthew T. Brandyberry , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
IPC分类号： G06F17/00
CPC分类号： G06F17/30088
摘要： In some embodiments, a file management unit located in the operating system detects a write operation that writes the data blocks within the consistency snapshot (in main memory) to the persistent storage. The file management unit can then determine that all transactions have been completed before the write operation begins. In some instances, the file management unit then attempts to write the data blocks within the consistency snapshot to the persistent storage. The file management unit can then receive a notification that the write operation did not successfully write the data blocks from the consistency snapshot to the persistent storage. In some embodiments, the write operation is not successful because there are fewer free data blocks in the persistent storage than needed for writing the data blocks within the consistency snapshot to persistent storage. The file management can then wait a period of time. After the file management unit has waited for a period of time, it can make another attempt to write the data blocks within the consistency snapshot to the persistent storage.
摘要翻译：在一些实施例中，位于操作系统中的文件管理单元检测将持续存储器内的一致性快照（主存储器）内的数据块写入的写入操作。然后，文件管理单元可以在写操作开始之前确定所有事务已经完成。在某些情况下，文件管理单元然后尝试将一致性快照内的数据块写入持久存储器。文件管理单元然后可以接收到写入操作没有成功地将数据块从一致性快照写入永久存储器的通知。在一些实施例中，写入操作不成功，因为永久存储器中的空闲数据块比将一致性快照中的数据块写入持久存储所需要的少。然后，文件管理可以等待一段时间。文件管理单元等待一段时间后，可以再次尝试将一致性快照中的数据块写入永久存储。

6. 发明授权

US08458181B2 Distributed free block map for a clustered redirect-on-write file system 失效
标题翻译：分布式自由块映射，用于集群的写入后重定向文件系统
公开(公告)号：US08458181B2
公开(公告)日：2013-06-04
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： G06F7/00
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。

7. 发明授权

US08396832B2 Independent fileset generations in a clustered redirect-on-write filesystem 有权
标题翻译：在集群的重定向文件系统中独立的文件集
公开(公告)号：US08396832B2
公开(公告)日：2013-03-12
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： G06F17/30
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。文件集管理器可以维护一个反映该节点（节点生成）的一致性快照的值，该值与反映特定文件集（文件集生成）的一致性快照的值分开。

8. 发明授权

US08402008B2 Handling file operations with low persistent storage space 有权
标题翻译：处理具有低持久存储空间的文件操作
公开(公告)号：US08402008B2
公开(公告)日：2013-03-19
申请号：US12879887
申请日：2010-09-10
申请人： Janet E. Adkins , Matthew T. Brandyberry , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
发明人： Janet E. Adkins , Matthew T. Brandyberry , David J. Craft , Manoj N. Kumar , Andrew N. Solomon
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30088
摘要： In some embodiments, a file management unit located in the operating system detects a write operation that writes the data blocks within the consistency snapshot (in main memory) to the persistent storage. The file management unit can then determine that all transactions have been completed before the write operation begins. In some instances, the file management unit then attempts to write the data blocks within the consistency snapshot to the persistent storage. The file management unit can then receive a notification that the write operation did not successfully write the data blocks from the consistency snapshot to the persistent storage. In some embodiments, the write operation is not successful because there are fewer free data blocks in the persistent storage than needed for writing the data blocks within the consistency snapshot to persistent storage. The file management can then wait a period of time. After the file management unit has waited for a period of time, it can make another attempt to write the data blocks within the consistency snapshot to the persistent storage.
摘要翻译：在一些实施例中，位于操作系统中的文件管理单元检测将持续存储器内的一致性快照（主存储器）内的数据块写入的写入操作。然后，文件管理单元可以在写操作开始之前确定所有事务已经完成。在某些情况下，文件管理单元然后尝试将一致性快照内的数据块写入持久存储器。文件管理单元然后可以接收到写入操作没有成功地将数据块从一致性快照写入永久存储器的通知。在一些实施例中，写入操作不成功，因为永久存储器中的空闲数据块比将一致性快照中的数据块写入永久存储器所需要的少。然后，文件管理可以等待一段时间。文件管理单元等待一段时间后，可以再次尝试将一致性快照中的数据块写入永久存储。

9. 发明授权

US08626713B2 Multiple contexts in a redirect on write file system 失效
标题翻译：写入文件系统中重定向的多个上下文
公开(公告)号：US08626713B2
公开(公告)日：2014-01-07
申请号：US12963146
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： G06F17/30
CPC分类号： G06F17/30227
摘要： A method includes initiating committing to persistent storage of a current consistency snapshot of a plurality of data objects in a redirect-on-write file system. Each of the plurality of data objects has a first copy of at least two copies of the data having a first context of at least two contexts. The method includes receiving, during committing to storage of the current consistency snapshot, an update to a data object of the plurality of data objects. The method also includes responsive to receipt of the update to the data object, creating a second copy of data of the data object from the first copy. The second copy of the data has a second context of the at least two contexts. The method includes responsive to receipt of the update to the data object, updating, based on the update, the second copy of the data of the data object.
摘要翻译：一种方法包括启动在写入重定向文件系统中的多个数据对象的当前一致性快照的持久存储。多个数据对象中的每一个具有具有至少两个上下文的第一上下文的数据的至少两个副本的第一副本。该方法包括在提交存储当前一致性快照期间接收对多个数据对象的数据对象的更新。该方法还包括响应于对数据对象的更新的接收，从第一副本创建数据对象的数据的第二副本。数据的第二副本具有至少两个上下文的第二上下文。该方法包括响应于对数据对象的更新的接收，基于更新更新数据对象的数据的第二副本。

10. 发明申请

US20120150804A1 MULTIPLE CONTEXTS IN A REDIRECT ON WRITE FILE SYSTEM 失效
标题翻译：写入文件系统中重复的多个内容
公开(公告)号：US20120150804A1
公开(公告)日：2012-06-14
申请号：US12963146
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： G06F17/30
CPC分类号： G06F17/30227
摘要： A method includes initiating committing to persistent storage of a current consistency snapshot of a plurality of data objects in a redirect-on-write file system. Each of the plurality of data objects has a first copy of at least two copies of the data having a first context of at least two contexts. The method includes receiving, during committing to storage of the current consistency snapshot, an update to a data object of the plurality of data objects. The method also includes responsive to receipt of the update to the data object, creating a second copy of data of the data object from the first copy. The second copy of the data has a second context of the at least two contexts. The method includes responsive to receipt of the update to the data object, updating, based on the update, the second copy of the data of the data object.
摘要翻译：一种方法包括启动在写入重定向文件系统中的多个数据对象的当前一致性快照的持久存储。多个数据对象中的每一个具有具有至少两个上下文的第一上下文的数据的至少两个副本的第一副本。该方法包括在提交存储当前一致性快照期间接收对多个数据对象的数据对象的更新。该方法还包括响应于对数据对象的更新的接收，从第一副本创建数据对象的数据的第二副本。数据的第二副本具有至少两个上下文的第二上下文。该方法包括响应于对数据对象的更新的接收，基于更新更新数据对象的数据的第二副本。

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