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1. 发明授权

US08438315B1 Techniques for non-disruptive upgrade 有权
公开(公告)号：US08438315B1
公开(公告)日：2013-05-07
申请号：US12924588
申请日：2010-09-30
申请人： Tao Tao , Harold M. Sandstrom , Helen S. Raizen , Michael E. Bappe , Edith Epstein , Eric I. West , Santhosh Venkatesh Kudva
发明人： Tao Tao , Harold M. Sandstrom , Helen S. Raizen , Michael E. Bappe , Edith Epstein , Eric I. West , Santhosh Venkatesh Kudva
IPC分类号： G06F13/10 , G06F9/44
CPC分类号： G06F13/102 , G06F3/0659 , G06F9/4411 , G06F9/44505
摘要： Described are techniques for upgrading a driver. A driver is installed which includes an upgrade facility, a base driver and a first set of one or more driver extension modules for processing input/output operations for one or more devices. Processing is performed to upgrade the driver using the upgrade facility. The processing includes loading one or more upgrade modules associated with a second version of said driver and performing cutover processing for each of the one or more devices.

2. 发明授权

US07890664B1 Methods and apparatus for non-disruptive upgrade by redirecting I/O operations 有权
标题翻译：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
IPC分类号： G06F3/00 , G06F13/00
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。

3. 发明授权

US07962567B1 Systems and methods for disabling an array port for an enterprise 有权
标题翻译：用于禁用企业的阵列端口的系统和方法
公开(公告)号：US07962567B1
公开(公告)日：2011-06-14
申请号：US11475060
申请日：2006-06-27
申请人： Harold M. Sandstrom , Helen S. Raizen , Michael E. Bappe
发明人： Harold M. Sandstrom , Helen S. Raizen , Michael E. Bappe
IPC分类号： G06F15/16
CPC分类号： H04L67/1097 , H04L67/125
摘要： Systems and methods are provided for disabling an array port in an enterprise storage system. In one embodiment, a system comprises a storage area network (SAN), a plurality of hosts, an array controller comprising a plurality of array ports, and a management server. The management server receives a request to disable an identified one of the plurality of array ports and identifies, from a configuration table stored in the management system server, one or more of the plurality of hosts having at least one path to the identified array port. The management server transmits an instruction to the one or more of the plurality of hosts to disable paths to the identified array port.
摘要翻译：提供了系统和方法来禁用企业存储系统中的阵列端口。在一个实施例中，系统包括存储区域网络（SAN），多个主机，包括多个阵列端口的阵列控制器和管理服务器。所述管理服务器接收到禁止所述多个阵列端口中的所述一个阵列端口的请求，并且从存储在所述管理系统服务器中的配置表中识别出所述多个主机中的一个或多个具有至少一个到所识别的阵列端口的路径。管理服务器向多个主机中的一个或多个主机发送指令以禁止到所识别的阵列端口的路径。

4. 发明授权

US08799608B1 Techniques involving flaky path detection 有权
标题翻译：涉及片状路径检测的技术
公开(公告)号：US08799608B1
公开(公告)日：2014-08-05
申请号：US13339669
申请日：2011-12-29
申请人： Helen S. Raizen , Michael E. Bappe , Harold M. Sandstrom , Vinay G. Rao , Nihar R. Panda
发明人： Helen S. Raizen , Michael E. Bappe , Harold M. Sandstrom , Vinay G. Rao , Nihar R. Panda
IPC分类号： G06F15/177 , G06F13/16
CPC分类号： G06F3/0635 , G06F3/061 , G06F3/0653 , G06F3/0689
摘要： A technique oversees a path between a multipathing driver of a host computer and a volume of a data storage array. The technique involves, while the multipathing driver of the host computer sends input/output requests (IOs) to the volume of the data storage array on the path, generating an IOs-Over-Period metric based on outcomes of the IOs, the IOs-Over-Period metric providing a measure of IOs per failure over a period of path operation. The technique further involves performing a comparison operation which compares the IOs-Over-Period metric to a predefined flaky path range having a predefined lower limit and a predefined upper limit. The technique further involves, after performing the comparison operation, outputting a detection signal indicating that the path is (i) flaky when the IOs-Over-Period metric falls within the predefined flaky path range and (ii) non-flaky when the IOs-Over-Period metric falls outside of the predefined flaky path range.
摘要翻译：技术监督主计算机的多路径驱动器和数据存储阵列的卷之间的路径。该技术涉及主机计算机的多路径驱动程序向路径上的数据存储阵列的卷发送输入/输出请求（IO），根据IO的结果生成IOs-Over-Period度量，IO- 过周期指标在路径操作期间提供每个故障的IO量度。该技术还涉及执行比较操作，该操作将IO-Over-Period度量与具有预定义下限和预定义上限的预定片段路径范围进行比较。该技术还包括在执行比较操作之后，当IOs-Over-Period度量落在预定的片状路径范围内时，输出指示路径为（i）片断的检测信号，以及（ii）当IO- 超周期指标超出预定义的片状路径范围。

5. 发明授权

US08843789B2 Storage array network path impact analysis server for path selection in a host-based I/O multi-path system 有权
标题翻译：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：US08843789B2
公开(公告)日：2014-09-23
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 Z. Zahavi
发明人： Harold M. Sandstrom , Amanuel Ronen Artzi , Michael E. Bappe , Helen S. Raizen , William Z. Zahavi
IPC分类号： G06F11/00 , G06F11/07 , 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。

6. 发明申请

US20120233494A1 STORAGE ARRAY NETWORK PATH IMPACT ANALYSIS SERVER FOR PATH SELECTION IN A HOST-BASED I/O MULTI-PATH SYSTEM 有权
标题翻译：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。

7. 发明授权

US08918537B1 Storage array network path analysis server for enhanced path selection in a host-based I/O multi-path system 有权
标题翻译：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。

8. 发明授权

US08204980B1 Storage array network path impact analysis server for path selection in a host-based I/O multi-path system 有权
标题翻译：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。

9. 发明授权

US07937481B1 System and methods for enterprise path management 有权
标题翻译：企业路径管理系统与方法
公开(公告)号：US07937481B1
公开(公告)日：2011-05-03
申请号：US11819611
申请日：2007-06-28
申请人： Harold M. Sandstrom , Amanuel Ronen Artzi , Helen S. Raizen , Michael E. Bappe
发明人： Harold M. Sandstrom , Amanuel Ronen Artzi , Helen S. Raizen , Michael E. Bappe
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。

10. 发明授权

US07957398B1 Methods and systems for dynamic division of path capacity 有权
标题翻译：路径容量动态划分的方法和系统
公开(公告)号：US07957398B1
公开(公告)日：2011-06-07
申请号：US11682049
申请日：2007-03-05
申请人： Yechiel Yochai , Helen S. Raizen , Harold M. Sandstrom , Edith Epstein
发明人： Yechiel Yochai , Helen S. Raizen , Harold M. Sandstrom , Edith Epstein
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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