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公开(公告)号：US08838851B2
公开(公告)日：2014-09-16
申请号：US13600523
申请日：2012-08-31
IPC分类号： G06F13/12 , G06F15/173 , G06F3/06
CPC分类号： G06F3/061 , G06F3/0635 , G06F3/067 , G06F2206/1012
摘要： Described are techniques for performing path selection. A data operation is received for a metadevice comprising a plurality of metadevice members. A first of the plurality of metadevice members is determined. The first member is the member to which the data operation is directed. In accordance with a load balancing technique for the first metadevice member, path selection is performed to select a first of a plurality of paths. The metadevice is accessible over each of the plurality of paths. The data operation is sent over the first path.
摘要翻译： 描述了用于执行路径选择的技术。 接收包括多个元设备成员的元设备的数据操作。 确定多个元设备成员中的第一个。 第一个成员是数据操作所针对的成员。 根据用于第一元器件成员的负载平衡技术，执行路径选择以选择多个路径中的第一个路径。 元设备可以在多个路径中的每一个上访问。 数据操作通过第一条路径发送。
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公开(公告)号：US08468241B1
公开(公告)日：2013-06-18
申请号：US13077376
申请日：2011-03-31
申请人： Helen S. Raizen , David Stephen Reiner , Robert J. Pellowski , Harold M. Sandstrom , Harrison K. Roberts
发明人： Helen S. Raizen , David Stephen Reiner , Robert J. Pellowski , Harold M. Sandstrom , Harrison K. Roberts
IPC分类号： G06F15/16
CPC分类号： G06F11/3495 , G06F11/3055 , G06F11/3409 , G06F2201/815 , H04L41/5096
摘要： A processing platform comprises at least one server, computer or other processing device having a processor coupled to a memory, and implements a plurality of modules for adaptive optimization across an information technology (IT) infrastructure. The modules include a collector configured to gather information from the infrastructure, an analyzer coupled to the collector and configured to analyze the information gathered by the collector, a policy module specifying a plurality of policy sets, and a controller that is coupled to the collector, the analyzer and the policy module. The controller is configured to adjust one or more parameters of the infrastructure via corresponding control points. Associated with the analyzer is a situational analysis framework configured to periodically select and deploy for use by the controller a particular one of the specified plurality of policy sets responsive to changing operating conditions of the infrastructure. The infrastructure may comprise a virtual data center (VDC) or other type of virtual infrastructure.
摘要翻译： 处理平台包括至少一个具有耦合到存储器的处理器的服务器，计算机或其他处理设备，并且实现用于信息技术（IT）基础设施的自适应优化的多个模块。 所述模块包括被配置为从所述基础设施收集信息的收集器，耦合到所述收集器并被配置为分析由所述收集器收集的信息的策略模块，指定多个策略集合的策略模块以及耦合到所述收集器的控制器， 分析仪和策略模块。 控制器被配置为通过相应的控制点来调整基础设施的一个或多个参数。 与分析器相关联的是情景分析框架，其被配置为响应于基础设施的变化的操作条件周期性地选择和部署以供由控制器使用的指定的多个策略集中的特定的一个。 基础设施可以包括虚拟数据中心（VDC）或其他类型的虚拟基础设施。
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公开(公告)号：US08281033B1
公开(公告)日：2012-10-02
申请号：US12803498
申请日：2010-06-29
IPC分类号： G06F15/173
CPC分类号： G06F3/061 , G06F3/0635 , G06F3/067 , G06F2206/1012
摘要： Described are techniques for performing path selection. A data operation is received for a metadevice comprising a plurality of metadevice members. A first of the plurality of metadevice members is determined. The first member is the member to which the data operation is directed. In accordance with a load balancing technique for the first metadevice member, path selection is performed to select a first of a plurality of paths. The metadevice is accessible over each of the plurality of paths. The data operation is sent over the first path.
摘要翻译： 描述了用于执行路径选择的技术。 接收包括多个元设备成员的元设备的数据操作。 确定多个元设备成员中的第一个。 第一个成员是数据操作所针对的成员。 根据用于第一元器件成员的负载平衡技术，执行路径选择以选择多个路径中的第一个路径。 元设备可以在多个路径中的每一个上访问。 数据操作通过第一条路径发送。
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4.发明申请STORAGE ARRAY NETWORK PATH IMPACT ANALYSIS SERVER FOR PATH SELECTION IN A HOST-BASED I/O MULTI-PATH SYSTEM 有权存储阵列网络路径影响分析服务器，用于基于HOST的I / O多路径系统中的路径选择公开(公告)号：US20120233494A1
公开(公告)日：2012-09-13
申请号：US13476072
申请日：2012-05-21
申请人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Zahavi
发明人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Zahavi
IPC分类号： G06F11/20
CPC分类号： G06F11/079 , G06F11/0727 , G06F11/0766 , G06F11/201
摘要： Systems and methods are provided for selecting a path for an I/O in a storage area network. In one embodiment, a method comprises receiving path configuration information for paths associated with a host device connected to the storage area network, a listing of components within the storage area network, and a notification of a component failure within the storage area network. The method may also comprise correlating the received path configuration information, the received listing of components, and the received notification of component failure to determine one determine one or more paths associated with the host device affected by the component failure. The method may further comprise transmitting to the host device an alert for the one or more affected paths.
摘要翻译： 系统和方法被提供用于选择存储区域网络中的I / O的路径。 在一个实施例中，一种方法包括：接收与连接到存储区域网络的主机设备相关联的路径的路径配置信息，存储区域网络内的组件的列表以及存储区域网络内的组件故障的通知。 该方法还可以包括将所接收的路径配置信息，所接收的组件列表和接收到的组件故障通知相关联，以确定一个确定与受该组件故障影响的主机设备相关联的一个或多个路径。 该方法还可以包括向主机设备发送针对一个或多个受影响路径的警报。
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公开(公告)号：US07957398B1
公开(公告)日：2011-06-07
申请号：US11682049
申请日：2007-03-05
IPC分类号： H04L12/28
CPC分类号： G06F13/385 , G06F3/0613 , G06F3/0635 , G06F3/0683 , G06F13/102 , G06F2213/3802 , H04L45/00 , H04L47/10 , H04L49/90
摘要： Methods and systems are disclosed that relate to selecting a path for sending an I/O request from a host to a data storage subsystem from among a plurality of paths from the host to the subsystem. An exemplary method includes identifying a limitation on the traffic level for the plurality of paths, tracking a first metric corresponding to the limitation on the traffic level for each path, and transmitting a first I/O request having an urgency level other than the highest urgency level by one of the plurality of paths whose first metric does not exceed its limitation on the traffic level.
摘要翻译： 公开了涉及从从主机到子系统的多个路径中选择用于从主机向数据存储子系统发送I / O请求的路径的方法和系统。 一种示例性方法包括识别针对多个路径的业务级别的限制，跟踪与每个路径的业务级别的限制相对应的第一度量，以及发送具有紧急度级别而不是最高紧急度的第一I / O请求 通过其第一度量不超过其对业务量的限制的多个路径中的一个路由。
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6.发明授权Storage array network path analysis server for enhanced path selection in a host-based I/O multi-path system 有权存储阵列网络路径分析服务器，用于在基于主机的I / O多路径系统中增强路径选择公开(公告)号：US08918537B1
公开(公告)日：2014-12-23
申请号：US11819609
申请日：2007-06-28
申请人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Zahavi
发明人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Zahavi
IPC分类号： G06F5/00
CPC分类号： H04L12/6418
摘要： Systems and methods are provided for selecting a path through which to send data in a host-based multi-path system. In one embodiment, a system includes a management server that determines a topology of the network and analyzes a plurality of paths for sending data through the network. The management server may also create a path quality index based on the topology and the analysis, the path quality index indicating a quality of individual paths within the plurality of paths. The system further includes a host that receives the path quality index from the management server and automatically selects, based on the path quality index, a path from the plurality of paths through which to send data.
摘要翻译： 提供了系统和方法，用于选择在基于主机的多路径系统中发送数据的路径。 在一个实施例中，系统包括管理服务器，该管理服务器确定网络的拓扑并且分析用于通过网络发送数据的多个路径。 管理服务器还可以基于拓扑和分析来创建路径质量指标，路径质量指数指示多个路径内的各个路径的质量。 该系统还包括从管理服务器接收路径质量指数并基于路径质量指标自动选择从多个发送数据路径的路径的主机。
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公开(公告)号：US08705538B1
公开(公告)日：2014-04-22
申请号：US13096397
申请日：2011-04-28
IPC分类号： H04L12/28
CPC分类号： G06F13/385 , G06F3/0613 , G06F3/0635 , G06F3/0683 , G06F13/102 , G06F2213/3802 , H04L45/00 , H04L47/10 , H04L49/90
摘要： Methods and systems are disclosed that relate to selecting a path for sending an I/O request from a host to a data storage subsystem from among a plurality of paths from the host to the subsystem. An exemplary method includes identifying a limitation on the traffic level for the plurality of paths, tracking a first metric corresponding to the limitation on the traffic level for each path, and transmitting a first I/O request having an urgency level other than the highest urgency level by one of the plurality of paths whose first metric does not exceed its limitation on the traffic level.
摘要翻译： 公开了涉及从从主机到子系统的多个路径中选择用于从主机向数据存储子系统发送I / O请求的路径的方法和系统。 一种示例性方法包括识别针对多个路径的业务级别的限制，跟踪与每个路径的业务级别的限制相对应的第一度量，以及发送具有紧急度级别而不是最高紧急度的第一I / O请求 通过其第一度量不超过其对业务量的限制的多个路径中的一个路由。
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8.发明授权Storage array network path impact analysis server for path selection in a host-based I/O multi-path system 有权存储阵列网络路径影响分析服务器，用于基于主机的I / O多路径系统中的路径选择公开(公告)号：US08204980B1
公开(公告)日：2012-06-19
申请号：US11819612
申请日：2007-06-28
申请人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Zahavi
发明人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Zahavi
IPC分类号： G06F15/173 , G06F11/00
CPC分类号： G06F11/079 , G06F11/0727 , G06F11/0766 , G06F11/201
摘要： Systems and methods are provided for selecting a path for an I/O in a storage area network. In one embodiment, a method comprises receiving path configuration information for paths associated with a host device connected to the storage area network, a listing of components within the storage area network, and a notification of a component failure within the storage area network. The method may also comprise correlating the received path configuration information, the received listing of components, and the received notification of component failure to determine one or more paths associated with the host device affected by the component failure. The method may further comprise transmitting to the host device an alert for the one or more affected paths.
摘要翻译： 系统和方法被提供用于选择存储区域网络中的I / O的路径。 在一个实施例中，一种方法包括：接收与连接到存储区域网络的主机设备相关联的路径的路径配置信息，存储区域网络内的组件的列表以及存储区域网络内的组件故障的通知。 该方法还可以包括将接收到的路径配置信息，所接收的组件列表和接收到的组件故障通知相关联，以确定与受组件故障影响的主机设备相关联的一个或多个路径。 该方法还可以包括向主机设备发送针对一个或多个受影响路径的警报。
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公开(公告)号：US07937481B1
公开(公告)日：2011-05-03
申请号：US11819611
申请日：2007-06-28
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： G06F11/004 , H04L67/1097 , H04L69/14 , H04L69/40
摘要： Systems and methods are provided for disabling a device in an enterprise storage system. In one embodiment, a method comprises receiving information identifying a device in a storage area network that is scheduled for an outage. The method further determines one or more paths impacted by the outage of the device, generates a notification identifying the determined one or more paths, and transmits the notification to one or more hosts having paths to the device.
摘要翻译： 提供了用于禁用企业存储系统中的设备的系统和方法。 在一个实施例中，一种方法包括接收标识被安排为中断的存储区域网络中的设备的信息。 该方法还确定由设备中断而影响的一个或多个路径，生成标识所确定的一个或多个路径的通知，并将通知发送到具有到设备的路径的一个或多个主机。
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10.发明授权Methods and apparatus for non-disruptive upgrade by redirecting I/O operations 有权通过重定向I / O操作进行无中断升级的方法和设备公开(公告)号：US07890664B1
公开(公告)日：2011-02-15
申请号：US12059071
申请日：2008-03-31
申请人： Tao Tao , Michael E. Bappe , Harold M. Sandstrom , Edith Epstein , Eric I. West , Helen S. Raizen , Santhosh V. Kudva
发明人： Tao Tao , Michael E. Bappe , Harold M. Sandstrom , Edith Epstein , Eric I. West , Helen S. Raizen , Santhosh V. Kudva
CPC分类号： G06F9/4411 , G06F9/44505
摘要： Methods and apparatus for non-disruptive upgrade by redirecting I/O operations. With this arrangement, a driver upgrade does not require restarting an application. In one embodiment, a method includes installing on a computer a legacy upgrade module in a kernel having a legacy driver with first and second loadable extensions for handling input/output operations for applications to and from devices, retrieving and storing static configuration data from the legacy driver, transferring the stored static configuration data to a new driver, obtaining runtime device configuration data from the devices and transferring the runtime device configuration data to the new driver, and filtering device input/output operations such that prior to cutover input/output operations are directed by the LUM through device stacks for the legacy driver and after cutover input/output operations are directed to the new driver.
摘要翻译： 通过重定向I / O操作进行无中断升级的方法和设备。 通过这种安排，驱动程序升级不需要重新启动应用程序。 在一个实施例中，一种方法包括在具有传统驱动器的内核中的传统升级模块中安装具有第一和第二可加载扩展的传统升级模块，用于处理来自设备的应用的输入/输出操作，从传统的方式检索和存储静态配置数据 驱动器，将存储的静态配置数据传送到新驱动器，从设备获取运行时设备配置数据并将运行时设备配置数据传送到新驱动器，以及过滤设备输入/输出操作，使得在切换输入/输出操作之前 由LUM通过设备堆栈执行传统驱动程序，并且在切换输入/输出操作被引导到新的驱动程序之后。
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