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21. 发明授权

US07043621B2 Sharding method and apparatus using directed graphs 失效
标题翻译：使用有向图的分片方法和装置
公开(公告)号：US07043621B2
公开(公告)日：2006-05-09
申请号：US10439977
申请日：2003-05-15
申请人： Arif Merchant , Mahesh Kallahalla , Ram Swaminathan
发明人： Arif Merchant , Mahesh Kallahalla , Ram Swaminathan
IPC分类号： G06F12/00
CPC分类号： G06F3/0608 , G06F3/061 , G06F3/0629 , G06F3/0665 , G06F3/0683 , Y10S707/99953 , Y10S707/99956
摘要： A method and apparatus is used to divide a storage volume into shards. The division is made using a directed graph having a vertex for each block in the storage volume and directed-edges between pairs of vertices representing a shard of blocks, associating a weight with each directed edge that represents the dissimilarity for the shard of blocks between the corresponding pair of vertices, selecting a maximum number of shards (K) for dividing the storage volume, identifying a minimum aggregate weight associated with a current vertex for a combination of no more than K shards, performing the identification of the minimum aggregate weight for vertices in the directed graph, and picking the smallest aggregated weight associated with the last vertex to determine a sharding that spans the storage volume and provides a minimal dissimilarity among no more than K shards of blocks.
摘要翻译：使用方法和装置将存储卷分成碎片。使用具有存储卷中的每个块的顶点的有向图以及表示块的块的顶点对之间的有向边，将权重与代表块之间的块的不同性的每个有向边相关联相应的顶点对，选择用于划分存储卷的最大碎片数（K），识别与不超过K个碎片的组合的当前顶点相关联的最小聚集权重，执行顶点的最小聚集权重的标识在有向图中，并选择与最后一个顶点相关联的最小聚合权重，以确定跨越存储卷的分片，并在不超过K个块的块中提供最小的不相似性。

22. 发明授权

US06718434B2 Method and apparatus for assigning raid levels 失效
标题翻译：分配突发级别的方法和设备
公开(公告)号：US06718434B2
公开(公告)日：2004-04-06
申请号：US09871043
申请日：2001-05-31
申请人： Alistair C. Veitch , Eric A. Anderson , Ram Swaminathan , Guillermo Alvarez , Richard Golding , Ted Romer
发明人： Alistair C. Veitch , Eric A. Anderson , Ram Swaminathan , Guillermo Alvarez , Richard Golding , Ted Romer
IPC分类号： G06F1300
CPC分类号： G06F3/064 , G06F3/0605 , G06F3/0614 , G06F3/0629 , G06F3/0689 , G06F11/1096
摘要： RAID levels are assigned to data prior to loading the data on a disk array or other data storage device. The RAID levels are determined by applying an algorithm (e.g., a rule-based criteria, a utilization model) to data workload specifications and device specifications.
摘要翻译：在将数据加载到磁盘阵列或其他数据存储设备之前，将RAID级别分配给数据。通过将算法（例如，基于规则的准则，利用模型）应用于数据工作负载规范和设备规范来确定RAID级别。

23. 发明申请

US20130111430A1 PROVIDING GOODS OR SERVICES 审中-公开
标题翻译：提供商品或服务
公开(公告)号：US20130111430A1
公开(公告)日：2013-05-02
申请号：US13282632
申请日：2011-10-27
申请人： Yin Wang , Ahmed M. Nazeem , Ram Swaminathan
发明人： Yin Wang , Ahmed M. Nazeem , Ram Swaminathan
IPC分类号： G06F9/44
CPC分类号： G06Q10/06 , G06Q10/08 , G06Q50/28
摘要： An exemplary embodiment of the present may provide goods or services by selecting component services, and computing an automaton from the component services. A Petri net may be generated from the automaton using a theory of regions, and the Petri net may be executed to optimize the provision of goods or services.
摘要翻译：本发明的示例性实施例可以通过选择组件服务以及从组件服务计算自动机来提供商品或服务。 Petri网可以使用区域理论从自动机生成，Petri网可以被执行以优化商品或服务的提供。

24. 发明授权

US08127212B2 System and method for determining the fault-tolerance of an erasure code 有权
标题翻译：用于确定擦除代码的容错的系统和方法
公开(公告)号：US08127212B2
公开(公告)日：2012-02-28
申请号：US11904284
申请日：2007-09-26
申请人： John Johnson Wylie , Ram Swaminathan
发明人： John Johnson Wylie , Ram Swaminathan
IPC分类号： H03M13/00
CPC分类号： H03M13/015 , H03M13/15 , H03M13/1515
摘要： A method for determining a fault tolerance of an erasure code includes deriving base erasure patterns from a generator matrix of an erasure code, determining which of the base erasure patterns are adjacent to one another and XORing the adjacent base erasure patterns with one another to produce child erasure patterns of the erasure code. The method further includes combining the base erasure patterns and the child erasure patterns to form a minimal erasures list (MEL) for the erasure code, whereby the MEL corresponds to the fault tolerance of the erasure code. Also provided are methods for communicating and storing data by using the fault tolerance of erasure codes.
摘要翻译：用于确定擦除代码的容错的方法包括从擦除代码的生成矩阵中导出基本擦除模式，确定哪个基本擦除模式彼此相邻并且将相邻的基本擦除模式彼此相邻以产生子擦除代码的擦除模式。该方法还包括组合基本擦除模式和子擦除模式以形成用于擦除代码的最小擦除列表（MEL），由此MEL对应于擦除代码的容错。还提供了通过使用擦除代码的容错来传送和存储数据的方法。

25. 发明授权

US08095928B2 Method of forming virtual computer cluster within shared computing environment 有权
标题翻译：在共享计算环境中形成虚拟计算机集群的方法
公开(公告)号：US08095928B2
公开(公告)日：2012-01-10
申请号：US10959536
申请日：2004-10-06
申请人： Mahesh Kallahalla , Mustafa Uysal , Ram Swaminathan , Frederic Gittler
发明人： Mahesh Kallahalla , Mustafa Uysal , Ram Swaminathan , Frederic Gittler
IPC分类号： G06F9/455 , G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/0644 , G06F3/0683 , G06F9/5077 , G06F21/6227
摘要： An embodiment of a method of forming a virtual computer cluster within a shared computing environment begins with a step of placing gatekeeper software on each of a plurality of particular host computers of the shared computing environment. The method continues with a step of assigning computing platforms located on the particular host computers to the virtual computer cluster. The gatekeeper software interposes between the computing platforms and hardware resources of the particular host computers. The method concludes with a step of isolating the virtual computer cluster from a remainder of the shared computing environment using the gatekeeper software. The gatekeeper software allows communication between the computing platforms while precluding communication with other computing platforms of the shared computing environment. The gatekeeper software controls input and output operations for the virtual computer cluster.
摘要翻译：在共享计算环境中形成虚拟计算机集群的方法的实施例开始于在所述共享计算环境的多个特定主机计算机中的每一个上放置关守软件的步骤。该方法继续将位于特定主机计算机上的计算平台分配给虚拟计算机集群。网守软件介入计算平台和特定主机的硬件资源之间。该方法的结论是使用网守软件将虚拟计算机集群与共享计算环境的其余部分隔离。网守软件允许计算平台之间的通信，同时排除与共享计算环境的其他计算平台的通信。网闸软件控制虚拟计算机集群的输入和输出操作。

26. 发明授权

US07886055B1 Allocating resources in a system having multiple tiers 有权
标题翻译：在具有多个层次的系统中分配资源
公开(公告)号：US07886055B1
公开(公告)日：2011-02-08
申请号：US11117197
申请日：2005-04-28
申请人： Yunhong Zhou , Anshul Kothari , Kamalika Chaudhuri , Ram Swaminathan , Robert E. Tarjan
发明人： Yunhong Zhou , Anshul Kothari , Kamalika Chaudhuri , Ram Swaminathan , Robert E. Tarjan
IPC分类号： G06F15/173
CPC分类号： G06F9/505 , H04L67/1004
摘要： To perform resource allocation in a system having plural tiers, one of plural resource allocation algorithms is selected in response to determining, based on one or more conditions, which of the plural resource allocation algorithms to select. The selected resource allocation algorithm is used to allocate resources for the plural tiers of the system.
摘要翻译：为了在具有多个层的系统中执行资源分配，响应于基于一个或多个条件来确定要选择的多个资源分配算法中的哪一个来选择多个资源分配算法中的一个。所选择的资源分配算法用于为系统的多层分配资源。

27. 发明申请

US20100106974A1 System For And Method Of Writing And Reading Redundant Data 有权
标题翻译：写入和读取冗余数据的系统和方法
公开(公告)号：US20100106974A1
公开(公告)日：2010-04-29
申请号：US12258273
申请日：2008-10-24
申请人： Marcos K. Aguilera , Ram Swaminathan
发明人： Marcos K. Aguilera , Ram Swaminathan
IPC分类号： G06F21/24 , G06F12/16 , H04L9/28
CPC分类号： H04L9/3281 , G06F11/1612 , G06F11/2094 , G06F2201/835 , H04L9/3247 , H04L9/3297
摘要： In accordance with an embodiment of the invention, a method of writing and reading redundant data is provided. Data is written by storing a copy of the data along with a timestamp and a signature at each of a set of storage devices. The data is read by retrieving the copy of the data, the timestamp and the signature from each of a plurality of the set of data storage devices. One of the copies of the data is selected to be provided to a requestor of the data. Each of the storage devices of the set is requested to certify the selected copy of the data. Provided that a proof of certification of the selected copy of the data is valid, the storage devices of the set are instructed to store the selected copy of the data along with a new timestamp.
摘要翻译：根据本发明的实施例，提供了一种写入和读取冗余数据的方法。通过在一组存储设备的每一个上存储数据的副本以及时间戳和签名来写入数据。通过从多个数据存储设备组中的每一个检索数据的副本，时间戳和签名来读取数据。选择数据副本之一提供给数据的请求者。请求集合的每个存储设备证明所选择的数据副本。如果所选择的数据副本的认证证明是有效的，则指示该组的存储设备存储所选择的数据副本以及新的时间戳。

28. 发明授权

US07620984B2 Method of managing computer system 有权
标题翻译：计算机系统管理方法
公开(公告)号：US07620984B2
公开(公告)日：2009-11-17
申请号：US10959698
申请日：2004-10-06
申请人： Mahesh Kallahalla , Mustafa Uysal , Ram Swaminathan
发明人： Mahesh Kallahalla , Mustafa Uysal , Ram Swaminathan
IPC分类号： G06F7/04 , G06F9/00 , G06F11/00 , G06F12/00 , G06F9/455 , G06F21/00 , G06F9/46 , G06F12/14 , G06F12/10
CPC分类号： G06F21/6227 , G06F2221/2141 , H04L9/083
摘要： An embodiment of a method of managing a computer system begins with a step of placing a virtual machine monitor on a computer. The virtual machine monitor includes an interface for a module. The method continues with a step of forming a computing platform on the computer. The virtual machine monitor provides access control to the hardware resources for software executing on the computing platform. The method concludes with a step of adding a module to the virtual machine monitor through the interface. The module modifies the access control provided by the virtual machine monitor.
摘要翻译：管理计算机系统的方法的一个实施例开始于将虚拟机监视器放置在计算机上的步骤。虚拟机监视器包括一个模块的接口。该方法继续在计算机上形成计算平台的步骤。虚拟机监视器为计算平台上执行的软件提供对硬件资源的访问控制。该方法的结束是通过界面将模块添加到虚拟机监视器。该模块修改虚拟机监视器提供的访问控制。

29. 发明授权

US07225118B2 Global data placement 有权
标题翻译：全球数据放置
公开(公告)号：US07225118B2
公开(公告)日：2007-05-29
申请号：US10284098
申请日：2002-10-31
申请人： Qian Wang , Arif Merchant , Nina Mishra , Mahesh Kallahalla , Ram Swaminathan
发明人： Qian Wang , Arif Merchant , Nina Mishra , Mahesh Kallahalla , Ram Swaminathan
IPC分类号： G06F9/45
CPC分类号： G06Q10/10 , H04L67/1002 , H04L67/1008 , H04L67/1095 , H04L69/329
摘要： A method of global data placement. The method includes assigning one or more workloads to one or more compute servers such that each workload flows to one compute server, assigning the data chunks that the workloads accesses to one or more storage servers, and determining how the workloads access the data.
摘要翻译：全球数据放置方法。该方法包括将一个或多个工作负载分配给一个或多个计算服务器，使得每个工作负载流向一个计算服务器，将工作负载访问的数据块分配给一个或多个存储服务器，以及确定工作负载如何访问数据。

30. 发明授权

US08990270B2 Protocol virtualization for a network file system 有权
标题翻译：网络文件系统的协议虚拟化
公开(公告)号：US08990270B2
公开(公告)日：2015-03-24
申请号：US11498344
申请日：2006-08-03
申请人： Mustafa Uysal , Ram Swaminathan , Junwen Lai
发明人： Mustafa Uysal , Ram Swaminathan , Junwen Lai
IPC分类号： G06F17/30 , H04L29/06 , H04L29/08
CPC分类号： H04L67/1097 , G06F17/30233 , H04L69/08
摘要： A network file system includes at least one unmodified client and at least one unmodified physical file server (PFS). Each PFS has at least one file that is identified by an associated physical file handle (PFH). The network file system includes virtual file servers (VFSs) in a data path between the client(s) and the PFS(s). The network file system also includes a virtualized name space that is mapped to the PFS(s) and is provided to the client(s) by the VFS(s). The network file system further includes a virtualized ID space that is established in response to a request from a client. Within the ID space, each file is identified by a physical file handle (PFH) on a PFS. The PFH and PFS pair are mapped to provide a virtual file handle (VFH), and the map of the VFHs is allocated among the VFSs.
摘要翻译：网络文件系统包括至少一个未修改的客户端和至少一个未修改的物理文件服务器（PFS）。每个PFS具有至少一个由关联的物理文件句柄（PFH）标识的文件。网络文件系统包括在客户机和PFS之间的数据路径中的虚拟文件服务器（VFS）。网络文件系统还包括映射到PFS的虚拟化名称空间，并由VFS提供给客户机。网络文件系统还包括响应于来自客户端的请求而建立的虚拟化ID空间。在ID空间内，每个文件由PFS上的物理文件句柄（PFH）标识。映射PFH和PFS对以提供虚拟文件句柄（VFH），并且在VFS之间分配VFH的映射。

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