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21. 发明授权

US07111014B2 Providing a snapshot of a subject of a file system 有权
标题翻译：提供文件系统主题的快照
公开(公告)号：US07111014B2
公开(公告)日：2006-09-19
申请号：US10966870
申请日：2004-10-15
申请人： Wayne A. Sawdon , Frank B. Schmuck
发明人： Wayne A. Sawdon , Frank B. Schmuck
IPC分类号： G06F17/30
CPC分类号： G06F11/1435 , G06F11/1458 , G06F11/1469 , G06F11/2038 , G06F11/2094 , G06F11/2097 , G06F17/3015 , G06F2201/84 , Y10S707/99934 , Y10S707/99943 , Y10S707/99952 , Y10S707/99953
摘要： A system, method and computer readable medium for providing a snapshot of a subset of a file system. A first snapshot of a first set of source files in a file system is generated. The first snapshot includes an inode corresponding to each source file in the first set of files. Stored in each inode is a first identifier associated with the first set of files and a second identifier associated with the time of the first snapshot. Next, a second snapshot of a second set of source files is taken. The second snapshot includes an inode corresponding to each source file in the second set of files. Stored in each inode are a first identifier and a second identifier. Subsequent snapshots are taken every first period and every second period for the first set of files and the second set of files, respectively.
摘要翻译：一种用于提供文件系统的子集的快照的系统，方法和计算机可读介质。生成文件系统中第一组源文件的第一个快照。第一个快照包括与第一组文件中的每个源文件对应的inode。存储在每个inode中的是与第一组文件相关联的第一标识符和与第一快照的时间相关联的第二标识符。接下来，拍摄第二组源文件的第二个快照。第二个快照包括与第二组文件中的每个源文件对应的inode。存储在每个inode中的是第一标识符和第二标识符。随后的快照是分别针对第一组文件和第二组文件的每第一个周期和第二个周期进行的。

22. 发明授权

US06826570B1 Dynamically switching between different types of concurrency control techniques to provide an adaptive access strategy for a parallel file system 有权
标题翻译：动态切换不同类型的并发控制技术，为并行文件系统提供自适应访问策略
公开(公告)号：US06826570B1
公开(公告)日：2004-11-30
申请号：US09618371
申请日：2000-07-18
申请人： Marc M. Eshel , Carol D. Hartman , Frank B. Schmuck , James C. Wyllie
发明人： Marc M. Eshel , Carol D. Hartman , Frank B. Schmuck , James C. Wyllie
IPC分类号： G06F1730
CPC分类号： G06F17/30171 , Y10S707/99938
摘要： Concurrent access to data is managed through concurrency control techniques. Various types of techniques are employed to manage the access, including locking-based techniques and non-locking-based techniques. A dynamic switch from one type of concurrency control technique (e.g., a locking-based technique) to a different type of concurrency control technique (e.g., a non-locking-based technique) is enabled. This switching is based on access patterns and/or application requirements for each file. The switching allows enhanced performance for both coarse-grain sharing and fine-grain sharing of data.
摘要翻译：通过并发控制技术来管理对数据的并发访问。采用各种类型的技术来管理访问，包括基于锁定的技术和基于非锁定的技术。从一种类型的并发控制技术（例如，基于锁定的技术）到不同类型的并发控制技术（例如，基于非锁定的技术）的动态切换被启用。此切换基于每个文件的访问模式和/或应用程序需求。切换允许增加数据的粗粒度共享和细粒度共享的性能。

23. 发明授权

US09176980B2 Scalable caching of remote file data in a cluster file system 有权
标题翻译：远程文件数据在集群文件系统中的可扩展缓存
公开(公告)号：US09176980B2
公开(公告)日：2015-11-03
申请号：US13570014
申请日：2012-08-08
申请人： Rajagopol Ananthanarayanan , Marc M. Eshel , Roger L. Haskin , Dean Hildebrand , Manoj P. Naik , Frank B. Schmuck , Renu Tewari
发明人： Rajagopol Ananthanarayanan , Marc M. Eshel , Roger L. Haskin , Dean Hildebrand , Manoj P. Naik , Frank B. Schmuck , Renu Tewari
IPC分类号： G06F15/16 , G06F17/30
CPC分类号： H04L67/2842 , G06F17/30224
摘要： Scalable caching of remote file data in cluster file systems is provided. One implementation involves maintaining a cache in a local cluster file system and caching local file data in the cache by fetching file data on demand from the remote cluster file system into the local cached file system over the network. The local file data and metadata corresponds to the remote file data and metadata in the remote cluster file system. Updates made to the local file data and metadata are pushed back to the remote cluster file system asynchronously.
摘要翻译：提供了远程文件数据在群集文件系统中的可扩展缓存。一个实现包括在本地集群文件系统中维护高速缓存，并通过从远程集群文件系统通过网络获取文件数据到本地缓存文件系统，缓存本地文件数据在缓存中。本地文件数据和元数据对应于远程集群文件系统中的远程文件数据和元数据。对本地文件数据和元数据进行的更新将以异步方式推回远程集群文件系统。

24. 发明授权

US08086633B2 Unified user identification with automatic mapping and database absence handling 失效
标题翻译：统一用户识别，具有自动映射和数据库缺失处理
公开(公告)号：US08086633B2
公开(公告)日：2011-12-27
申请号：US12549205
申请日：2009-08-27
申请人： Demyn Lee Plantenberg , Frank B. Schmuck , Yuri Volobuev
发明人： Demyn Lee Plantenberg , Frank B. Schmuck , Yuri Volobuev
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： H04L63/10 , G06F17/30091 , G06F17/30557 , G06F21/6236
摘要： An identification system that may be used in heterogeneous computing environments provides a fail-free path to providing identifiers from a single canonical namespace. Objects or gateways requiring an identifier for access are accessed using an identifier for the canonical namespace. If an entity requests access using an identifier from another namespace, an external database is consulted to determine if a mapping exists for the identifier to another identifier the canonical namespace. If no mapping exists, or the external database is unavailable, then an identifier is automatically generated in the canonical namespace and is used for the access. An internal database is updated with the automatically generated identifier, providing a mechanism to add mappings without administrative intervention. To access resources requiring an identifier from another particular namespace, a canonical namespace identifier may be mapped to another identifier in the particular namespace, or a generic identifier may be used.
摘要翻译：可以在异构计算环境中使用的识别系统提供了从单个规范命名空间提供标识符的无故障路径。使用规范命名空间的标识符访问需要访问标识符的对象或网关。如果一个实体使用另一个命名空间中的标识符来请求访问，则可以查询一个外部数据库，以确定标识符是否存在于另一个标识符是规范命名空间。如果没有存在映射，或外部数据库不可用，则在规范命名空间中自动生成标识符，并用于访问。使用自动生成的标识符更新内部数据库，提供了一种机制，无需管理干预即可添加映射。为了访问需要来自另一特定命名空间的标识符的资源，可以将规范命名空间标识符映射到特定命名空间中的另一标识符，或者可以使用通用标识符。

25. 发明申请

US20110153567A1 RESTORE OF FULL SYSTEM BACKUP AND INCREMENTAL BACKUPS USING MULTIPLE SIMULTANEOUS DEVICE STREAMS 失效
标题翻译：使用多个同步设备流程恢复全系统备份和增量备份
公开(公告)号：US20110153567A1
公开(公告)日：2011-06-23
申请号：US12644539
申请日：2009-12-22
申请人： Wayne A. Sawdon , Frank B. Schmuck
发明人： Wayne A. Sawdon , Frank B. Schmuck
IPC分类号： G06F12/16 , G06F12/00 , G06F17/00
CPC分类号： G06F11/1469 , G06F11/1448 , G06F11/1451 , G06F11/1456 , G06F17/30008 , G06F17/3015 , G06F17/30233 , G06F2201/815
摘要： A technique for restoring file systems by applying full and incremental backups together while streaming them from multiple devices provides a faster system restore from a full backup where incremental backups must also be applied. A first storage device streams the full backup while at least one second storage device streams at least one incremental backup. As files are detected in the incremental backup, they are written instead of the corresponding file in the full backup. Incremental backups can be pre-merged to reduce their number to one less than a number of storage devices available to stream the backups, so that the full backup can be streamed along with the pre-merged incremental backup(s) to restore the file system.
摘要翻译：通过将多个设备进行全套备份和增量备份一起应用来恢复文件系统的一种技术可以从必须应用增量备份的完整备份提供更快的系统还原。第一存储设备流传输完整备份，而至少一个第二存储设备流至少一个增量备份。当增量备份中检测到文件时，它们将被写入而不是完整备份中的相应文件。增量备份可以预合并，将其数量减少到少于可用于流式传输备份的多个存储设备，以便完整备份与预合并的增量备份一起进行流式传输以还原文件系统。

26. 发明申请

US20110145367A1 SCALABLE CACHING OF REMOTE FILE DATA IN A CLUSTER FILE SYSTEM 有权
标题翻译：远程文件数据在集群文件系统中的可扩展缓存
公开(公告)号：US20110145367A1
公开(公告)日：2011-06-16
申请号：US12639832
申请日：2009-12-16
申请人： Rajagopol Ananthanarayanan , Marc M. Eshel , Roger L. Haskin , Dean Hildebrand , Manoj P. Naik , Frank B. Schmuck , Renu Tewari
发明人： Rajagopol Ananthanarayanan , Marc M. Eshel , Roger L. Haskin , Dean Hildebrand , Manoj P. Naik , Frank B. Schmuck , Renu Tewari
IPC分类号： G06F15/16
CPC分类号： H04L67/2842 , G06F17/30224
摘要： Scalable caching of remote file data in cluster file systems is provided. One implementation involves maintaining a cache in a local cluster file system and caching local file data in the cache by fetching file data on demand from the remote cluster file system into the local cached file system over the network. The local file data and metadata corresponds to the remote file data and metadata in the remote cluster file system. Updates made to the local file data and metadata are pushed back to the remote cluster file system asynchronously.
摘要翻译：提供了远程文件数据在群集文件系统中的可扩展缓存。一个实现包括在本地集群文件系统中维护高速缓存，并通过从远程集群文件系统通过网络获取文件数据到本地缓存文件系统，缓存本地文件数据在缓存中。本地文件数据和元数据对应于远程集群文件系统中的远程文件数据和元数据。对本地文件数据和元数据进行的更新将以异步方式推回远程集群文件系统。

27. 发明授权

US07890555B2 File system mounting in a clustered file system 有权
标题翻译：文件系统安装在群集文件系统中
公开(公告)号：US07890555B2
公开(公告)日：2011-02-15
申请号：US11775381
申请日：2007-07-10
申请人： Kalyan C. Gunda , Brian D. Herr , Frank B. Schmuck
发明人： Kalyan C. Gunda , Brian D. Herr , Frank B. Schmuck
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F11/004 , G06F11/1425 , G06F11/1471 , G06F11/202 , G06F11/2046
摘要： A method effectively preventing a requesting node from unfencing and mounting a file system subsequent to a failure in a cluster file system having a plurality of active nodes. The method comprising first upgrading one active node in the cluster to function as a cluster manager node. The cluster manager is in communication with all nodes. The cluster manager is assigned manager responsibilities, in part, comprising first receiving an active status request from the node requesting to mount a file system. The cluster manager first queries the quorum nodes to determine whether each node considers the cluster manager to still have cluster management responsibilities for the file system. If a majority of quorum nodes consider the cluster manager to still have cluster management responsibilities for the file system then the cluster manager responds to the requesting node's active status request. Thereafter, the requesting node proceeds with mounting the file system.
摘要翻译：一种有效地防止请求节点在具有多个活动节点的集群文件系统中的故障之后对文件系统进行打包和装载的方法。该方法包括首先升级集群中的一个主动节点以用作集群管理器节点。集群管理器与所有节点通信。分配管理器的职责是部分地包括首先从请求装载文件系统的节点接收活动状态请求。群集管理器首先查询仲裁节点，以确定每个节点是否认为群集管理器仍然具有文件系统的群集管理职责。如果大多数仲裁节点认为集群管理器仍然对文件系统具有集群管理职责，则集群管理器将响应请求节点的活动状态请求。此后，请求节点继续安装文件系统。

28. 发明授权

US07502801B2 Providing a snapshot of a subset of a file system 有权
标题翻译：提供文件系统子集的快照
公开(公告)号：US07502801B2
公开(公告)日：2009-03-10
申请号：US11418619
申请日：2006-05-05
申请人： Wayne A. Sawdon , Frank B. Schmuck
发明人： Wayne A. Sawdon , Frank B. Schmuck
IPC分类号： G06F17/30
CPC分类号： G06F11/1435 , G06F11/1458 , G06F11/1469 , G06F11/2038 , G06F11/2094 , G06F11/2097 , G06F17/3015 , G06F2201/84 , Y10S707/99934 , Y10S707/99943 , Y10S707/99952 , Y10S707/99953
摘要： A system, method and computer readable medium for providing a snapshot of a subset of a file system. A first snapshot of a first set of source files in a file system is generated. The first snapshot includes an inode corresponding to each source file in the first set of files. Stored in each inode is a first identifier associated with the first set of files and a second identifier associated with the time of the first snapshot. Next, a second snapshot of a second set of source files is taken. The second snapshot includes an inode corresponding to each source file in the second set of files. Stored in each inode are a first identifier and a second identifier. Subsequent snapshots are taken every first period and every second period for the first set of files and the second set of files, respectively.
摘要翻译：一种用于提供文件系统的子集的快照的系统，方法和计算机可读介质。生成文件系统中第一组源文件的第一个快照。第一个快照包括与第一组文件中的每个源文件对应的inode。存储在每个inode中的是与第一组文件相关联的第一标识符和与第一快照的时间相关联的第二标识符。接下来，拍摄第二组源文件的第二个快照。第二个快照包括与第二组文件中的每个源文件对应的inode。存储在每个inode中的是第一标识符和第二标识符。随后的快照是分别针对第一组文件和第二组文件的每第一个周期和第二个周期进行的。

29. 发明申请

US20090019098A1 FILE SYSTEM MOUNTING IN A CLUSTERED FILE SYSTEM 有权
标题翻译：文件系统中的文件系统安装
公开(公告)号：US20090019098A1
公开(公告)日：2009-01-15
申请号：US11775381
申请日：2007-07-10
申请人： Kalyan C. Gunda , Brian D. Herr , Frank B. Schmuck
发明人： Kalyan C. Gunda , Brian D. Herr , Frank B. Schmuck
IPC分类号： G06F12/00
CPC分类号： G06F11/004 , G06F11/1425 , G06F11/1471 , G06F11/202 , G06F11/2046
摘要： A method effectively preventing a requesting node from unfencing and mounting a file system subsequent to a failure in a cluster file system having a plurality of active nodes. The method comprising first upgrading one active node in the cluster to function as a cluster manager node. The cluster manager is in communication with all nodes. The cluster manager is assigned manager responsibilities, in part, comprising first receiving an active status request from the node requesting to mount a file system. The cluster manager first queries the quorum nodes to determine whether each node considers the cluster manager to still have cluster management responsibilities for the file system. If a majority of quorum nodes consider the cluster manager to still have cluster management responsibilities for the file system then the cluster manager responds to the requesting node's active status request. Thereafter, the requesting node proceeds with mounting the file system.
摘要翻译：一种有效地防止请求节点在具有多个活动节点的集群文件系统中的故障之后对文件系统进行打包和装载的方法。该方法包括首先升级集群中的一个主动节点以用作集群管理器节点。集群管理器与所有节点通信。分配管理器的职责是部分地包括首先从请求装载文件系统的节点接收活动状态请求。群集管理器首先查询仲裁节点，以确定每个节点是否认为群集管理器仍然具有文件系统的群集管理职责。如果大多数仲裁节点认为集群管理器仍然对文件系统具有集群管理职责，则集群管理器将响应请求节点的活动状态请求。此后，请求节点继续安装文件系统。

30. 发明申请

US20090019047A1 CONCURRENT DIRECTORY UPDATE IN A CLUSTER FILE SYSTEM 失效
标题翻译：集群文件系统中的当前目录更新
公开(公告)号：US20090019047A1
公开(公告)日：2009-01-15
申请号：US11776092
申请日：2007-07-11
申请人： Owen T. Anderson , Frank B. Schmuck
发明人： Owen T. Anderson , Frank B. Schmuck
IPC分类号： G06F17/30
CPC分类号： G06F17/30171
摘要： A method for avoiding directory conflicts across a file system having multiple nodes with one node representing a token manager. For each directory, at least one metanode responsible for directory updates. The method involving obtaining a name-based lock on a filename. Querying the token manager for a lock token. If a new token is obtained, sending a Remote Procedure Call (RPC) to the metanode to obtain matching directory entries, and caching the result of the RPC so that subsequent operations on that filename can be satisfied without additional messages sent to the metanode. Updating a cached directory block in memory by creating a new directory entry in the block or deleting an existing directory entry from the block. Information regarding the updating is sent to the metanode on one of: periodic schedule, a subsequent synchronization event, or when the name-based lock token is revoked.
摘要翻译：一种用于避免具有多个节点的文件系统的目录冲突的方法，其中一个节点表示令牌管理器。对于每个目录，至少有一个负责目录更新的元代码。该方法涉及获取文件名上的基于名称的锁定。向令牌管理器查询锁定令牌。如果获得了一个新的令牌，则向远程过程调用（RPC）发送远程过程调用（RPC）以获取匹配的目录条目，并缓存RPC的结果，以便可以满足该文件名的后续操作，而不会向metanode发送附加消息。通过在块中创建新的目录条目或从块中删除现有的目录条目来更新内存中的缓存目录块。关于更新的信息被发送到元数据，其中之一是：周期性调度，后续同步事件，或者当基于名称的锁令牌被撤销时。

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