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1. 发明申请

US20150178297A1 Method to Preserve Shared Blocks when Moved 审中-公开
标题翻译：移动时保留共享块的方法
公开(公告)号：US20150178297A1
公开(公告)日：2015-06-25
申请号：US14140032
申请日：2013-12-24
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Janet E. Adkins , David J. Craft , Andrew N. Solomon
IPC分类号： G06F17/30
CPC分类号： G06F16/128 , G06F11/14
摘要： A method, system and computer-usable medium are disclosed for tracking blocks moved within a file system, comprising: associating tracking information with a base object within the file system; tracking movement of the base object via the tracking information; and, adjusting information relating to an associated object of the base object derived from the base object.
摘要翻译：公开了一种用于在文件系统内移动的跟踪块的方法，系统和计算机可用介质，包括：将跟踪信息与文件系统内的基础对象相关联; 通过跟踪信息跟踪基对象的移动; 以及调整与从基础对象导出的基础对象的关联对象有关的信息。

2. 发明授权

US09020899B2 File cloning across different filesets 有权
标题翻译：跨不同文件集的文件克隆
公开(公告)号：US09020899B2
公开(公告)日：2015-04-28
申请号：US14174082
申请日：2014-02-06
申请人： International Business Machines Corporation
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
IPC分类号： G06F17/30
CPC分类号： G06F17/3007 , G06F17/30017 , G06F17/30088
摘要： A method includes determining, by a processor, that a write request indicates a clone file that was cloned from a file in a first fileset. The clone file is of a second fileset and a clustered file system comprises the first fileset and the second fileset. A data block of the clone file affected by the write request is determined. The method includes determining that the data block at a current location cannot be modified. In response to a determination that the data block at the current location cannot be modified, the method includes implementing the write request with respect to the data block at a different location and indicating that the data block at the different location can be modified for subsequent write requests that indicate the clone file.
摘要翻译：一种方法包括由处理器确定写入请求指示从第一文件集中的文件克隆的克隆文件。克隆文件是第二个文件集，而群集文件系统包括第一个文件集和第二个文件集。确定受写入请求影响的克隆文件的数据块。该方法包括确定当前位置的数据块不能被修改。响应于确定当前位置处的数据块不能被修改，该方法包括相对于不同位置处的数据块实现写请求，并且指示可以修改不同位置处的数据块以用于随后的写入指示克隆文件的请求。

3. 发明申请

US20140156602A1 FILE CLONING ACROSS DIFFERENT FILESETS 有权
标题翻译：文件克隆不同的文件夹
公开(公告)号：US20140156602A1
公开(公告)日：2014-06-05
申请号：US14174082
申请日：2014-02-06
申请人： International Business Machines Corporation
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Manoj N. Kumar , Ninad S. Palsule
IPC分类号： G06F17/30
CPC分类号： G06F17/3007 , G06F17/30017 , G06F17/30088
摘要： A method includes determining, by a processor, that a write request indicates a clone file that was cloned from a file in a first fileset. The clone file is of a second fileset and a clustered file system comprises the first fileset and the second fileset. A data block of the clone file affected by the write request is determined. The method includes determining that the data block at a current location cannot be modified. In response to a determination that the data block at the current location cannot be modified, the method includes implementing the write request with respect to the data block at a different location and indicating that the data block at the different location can be modified for subsequent write requests that indicate the clone file.
摘要翻译：一种方法包括由处理器确定写入请求指示从第一文件集中的文件克隆的克隆文件。克隆文件是第二个文件集，而群集文件系统包括第一个文件集和第二个文件集。确定受写入请求影响的克隆文件的数据块。该方法包括确定当前位置的数据块不能被修改。响应于确定当前位置处的数据块不能被修改，该方法包括相对于不同位置处的数据块实现写入请求，并且指示不同位置处的数据块可以被修改以用于随后的写入指示克隆文件的请求。

4. 发明授权

US09582363B2 Failure domain based storage system data stripe layout 有权
标题翻译：基于故障域的存储系统数据条带布局
公开(公告)号：US09582363B2
公开(公告)日：2017-02-28
申请号：US14299941
申请日：2014-06-09
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Ralph A. Becker-Szendy , David J. Craft , Scott D. Guthridge , James C. Wyllie
IPC分类号： G06F11/00 , G06F11/10
CPC分类号： G06F11/1096 , G06F11/008 , G06F11/1076
摘要： A method for performing stripe placement within a storage system is disclosed. After a set of failure domains within a storage system has been identified, the failure domains are then organized to form a hierarchy of failure domains. A failure domain is defined as a group of one or more disks that are more likely to fail together because a common component is shared by that group of disks. Stripe placement is performed across all active failure domains within the storage system using a greedy algorithm.
摘要翻译：公开了一种用于在存储系统内执行条带放置的方法。在存储系统中的一组故障域已经被识别之后，然后组织故障域以形成故障域的层次结构。故障域被定义为一个或多个更可能一起故障的磁盘的组，因为该组磁盘共享一个公共组件。使用贪心算法在存储系统内的所有活动故障域上执行条纹放置。

5. 发明申请

US20130318086A1 DISTRIBUTED FILE HIERARCHY MANAGEMENT IN A CLUSTERED REDIRECT-ON-WRITE FILE SYSTEM 审中-公开
标题翻译：分布式重写文件系统中的分布式文件分层管理
公开(公告)号：US20130318086A1
公开(公告)日：2013-11-28
申请号：US13932876
申请日：2013-07-01
申请人： International Business Machines Corporation
发明人： Janet E. Adkins , Joon Chang , David J. Craft , Gokul B. Kandiraju , Manoj N. Kumar
IPC分类号： G06F17/30
CPC分类号： G06F16/134 , G06F16/1827
摘要： Management of a file hierarchy for a clustered file system can be distributed across nodes of the cluster. A cluster file hierarchy is accessed to determine location of a file in response to a request to write to a file. A first node maintains the cluster file hierarchy. It is determined that management of a fileset object, which represents a fileset that includes the file, has been delegated to a second node based, at least in part, on said accessing the cluster file hierarchy. A node file hierarchy maintained by the second node is accessed responsive to determining the delegation. The cluster file hierarchy represents filesets of the clustered file system and the node hierarchy represents a subset of one or more of the filesets. Location of the file is determined based, at least in part, on said accessing the node file hierarchy.
摘要翻译：集群文件系统的文件层次结构的管理可以分布在集群的节点上。访问集群文件层次结构以确定文件的位置以响应写入文件的请求。第一个节点维护群集文件层次结构。至少部分地基于对所述群集文件层次结构的访问，确定表示包括该文件的文件集的文件集对象的管理已委托给第二节点。响应于确定委托而访问由第二节点维护的节点文件层次结构。集群文件层次结构表示集群文件系统的文件集，节点层次结构表示一个或多个文件集的子集。至少部分地基于访问节点文件层级来确定文件的位置。

6. 发明申请

US20150348177A1 MANAGING LEASE TRANSACTIONS IN DISTRIBUTED SYSTEMS 审中-公开
标题翻译：管理分布式系统中的租赁交易
公开(公告)号：US20150348177A1
公开(公告)日：2015-12-03
申请号：US14289704
申请日：2014-05-29
申请人： International Business Machines Corporation
发明人： David J. Craft , Shevaun-Ann M. Fontenot , Eric P. Fried , Lance W. Russell
IPC分类号： G06Q30/06 , H04L12/26 , H04L29/08
CPC分类号： G06Q30/0645 , H04L41/5003 , H04L43/0852 , H04L67/1097
摘要： A computer-implemented method of managing lease transactions from a plurality of time-synchronized cluster nodes for a shared leased resource in a computer network, the method including accepting, during a request period, requests to lease a shared leased resource in an upcoming lease interval, the requests received from among a plurality of time-synchronized cluster nodes. The method may include selecting, during a response period which concludes prior to the beginning of the upcoming lease interval, a leaseholder for the shared leased resource in the upcoming lease interval in response to receiving at least one request during the request period, the leaseholder selected based on the at least one received request. The response period may occur after the request period. The method may include notifying, during the response period, the selected leaseholder of its selection as the leaseholder for the shared leased resource in the upcoming lease interval.
摘要翻译：一种计算机实现的方法，用于从计算机网络中的共享租用资源的多个时间同步的集群节点管理租赁交易，所述方法包括在请求期间接受在即将到期的租赁间隔内租赁共享租赁资源的请求从多个时间同步的群集节点中接收到的请求。该方法可以包括在响应于在请求期间期间接收至少一个请求的期间，在即将到来的租赁间隔期间选择在即将到来的租赁间隔开始之前结束的响应周期期间的租用者，所选择的租户基于所述至少一个接收到的请求。响应期可能在请求期之后发生。该方法可以包括在响应期间将其选择的所选择的租户持有者作为在即将到期的租赁间隔中的共享租赁资源的租赁者通知。

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