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1. 发明授权

US08316161B1 Techniques for indicating a passive path state for a device 有权
标题翻译：指示设备的被动路径状态的技术
公开(公告)号：US08316161B1
公开(公告)日：2012-11-20
申请号：US12924572
申请日：2010-09-30
申请人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arich Don , Xunce Zhou
发明人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arich Don , Xunce Zhou
IPC分类号： G06F3/00 , G06F13/00
CPC分类号： G06F3/0605 , G06F3/0635 , G06F3/0653 , G06F3/067
摘要： Described are techniques for indicating a state associated with a device. A request is received over a path for information about a device. A response to the request is sent. The response indicates a state regarding the device on the path. The response has a response status of good and a payload of a varying size. The payload is truncated at a location prior to that at which a device identifier for the device is expected. In accordance with the response, a state regarding the device on the path is determined.
摘要翻译：描述了用于指示与设备相关联的状态的技术。通过路径收到有关设备信息的请求。发送对请求的响应。响应指示路径上的设备的状态。响应具有良好的响应状态和不同大小的有效载荷。有效载荷被截断在该设备的设备标识符之前的位置。根据响应，确定关于路径上的设备的状态。

2. 发明申请

US20120246345A1 TECHNIQUES FOR INDICATING A PASSIVE STATE FOR A DEVICE 有权
标题翻译：用于指示设备被动状态的技术
公开(公告)号：US20120246345A1
公开(公告)日：2012-09-27
申请号：US13493394
申请日：2012-06-11
申请人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
发明人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
IPC分类号： G06F3/00
CPC分类号： G06F3/0605 , G06F3/0635 , G06F3/0653 , G06F3/067
摘要： Described are techniques for indicating a state associated with a device. A request is received over a path for information about a device. A response to the request is sent. The response indicates a state regarding the device on the path. The response has a response status of good and a payload of a varying size. The payload is truncated at a location prior to that at which a device identifier for the device is expected. In accordance with the response, a state regarding the device on the path is determined.
摘要翻译：描述了用于指示与设备相关联的状态的技术。通过路径收到有关设备信息的请求。发送对请求的响应。响应指示路径上的设备的状态。响应具有良好的响应状态和不同大小的有效载荷。有效载荷被截断在该设备的设备标识符之前的位置。根据响应，确定关于路径上的设备的状态。

3. 发明授权

US08412858B2 Techniques for indicating a passive state for a device 有权
标题翻译：指示设备被动状态的技术
公开(公告)号：US08412858B2
公开(公告)日：2013-04-02
申请号：US13493394
申请日：2012-06-11
申请人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
发明人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
IPC分类号： G06F3/00 , G06F13/00
CPC分类号： G06F3/0605 , G06F3/0635 , G06F3/0653 , G06F3/067
摘要： Described are techniques for indicating a state associated with a device. A request is received over a path for information about a device. A response to the request is sent. The response indicates a state regarding the device on the path. The response has a response status of good and a payload of a varying size. The payload is truncated at a location prior to that at which a device identifier for the device is expected. In accordance with the response, a state regarding the device on the path is determined.
摘要翻译：描述了用于指示与设备相关联的状态的技术。通过路径收到有关设备信息的请求。发送对请求的响应。响应指示路径上的设备的状态。响应具有良好的响应状态和不同大小的有效载荷。有效载荷被截断在该设备的设备标识符之前的位置。根据响应，确定关于路径上的设备的状态。

4. 发明授权

US08819374B1 Techniques for performing data migration 有权
标题翻译：执行数据迁移的技术
公开(公告)号：US08819374B1
公开(公告)日：2014-08-26
申请号：US13134728
申请日：2011-06-15
申请人： Arieh Don , Anestis Panidis , Michael J. Scharland , Patrick Brian Riordan , Ian Wigmore
发明人： Arieh Don , Anestis Panidis , Michael J. Scharland , Patrick Brian Riordan , Ian Wigmore
IPC分类号： G06F13/00 , G06F13/28 , G06F3/06
CPC分类号： G06F3/067 , G06F3/0607 , G06F3/0629 , G06F3/0634 , G06F3/0635 , G06F3/0647
摘要： Described are techniques for migrating data from a source device of a source data storage system to a target device of a target data storage system. The target data storage system is configured to operate in accordance with a spoofing mode and a pass-through mode. A first set of commands from the host are processed for the target device when in the pass-through mode and the spoofing mode with respect to the target device. Data is migrated from the source device to the target device. The target data storage system is configured to operate in an echo mode for the target device and processes a second set of commands from the host when in the echo mode for the target device using information stored in the cache from processing the first set of commands.
摘要翻译：描述了将数据从源数据存储系统的源设备迁移到目标数据存储系统的目标设备的技术。目标数据存储系统被配置为根据欺骗模式和直通模式进行操作。当处于直通模式和相对于目标设备的欺骗模式时，来自主机的第一组命令被处理用于目标设备。数据从源设备迁移到目标设备。目标数据存储系统被配置为以对于目标设备的回波模式进行操作，并且当处于针对目标设备的回波模式时，使用存储在高速缓存中的信息来处理来自主机的第二组命令来处理第一组命令。

5. 发明授权

US08028062B1 Non-disruptive data mobility using virtual storage area networks with split-path virtualization 有权
标题翻译：使用具有分路径虚拟化的虚拟存储区域网络的非中断数据移动性
公开(公告)号：US08028062B1
公开(公告)日：2011-09-27
申请号：US12005663
申请日：2007-12-26
申请人： Ian Wigmore , Ofer Michael , Arieh Don , Patrick Brian Riordan
发明人： Ian Wigmore , Ofer Michael , Arieh Don , Patrick Brian Riordan
IPC分类号： G06F15/16
CPC分类号： G06F3/0664 , G06F3/061 , G06F3/0617 , G06F3/0635 , G06F3/0647 , G06F3/067 , H04L67/1097
摘要： A system creates a storage area network (SAN) centric storage virtualization layer in front of storage devices. The system allows data mobility and migration without disruption to the one or more host servers attached to the SAN. Specifically, the host servers are not disrupted when switching I/Os between physical and virtual storage, for example, by taking advantage of WWPN spoofing and Fibre Channel VSAN technology. The use of VSANs effectively allow multiple virtual directors and/or switches to be created within a physical director and/or switches, each with their own separate name server, thereby providing complete isolation from one another. The host-storage pathing information is unchanged as the original physical storage port's WWPNs are spoofed by the virtual storage port. The result is two identical WWPNs within the SAN which is normally disallowed; however, by separating the physical port WWPN into one VSAN and the virtual port WWPN into another, the restriction may be circumvented.
摘要翻译：系统在存储设备前创建存储区域网络（SAN）中心存储虚拟化层。该系统允许数据移动和迁移，而不会中断连接到SAN的一个或多个主机服务器。具体来说，主机服务器在物理和虚拟存储之间切换I / O时不会中断，例如利用WWPN欺骗和光纤通道VSAN技术。 VSAN的使用有效地允许在物理主管和/或交换机内创建多个虚拟控制器和/或交换机，每个虚拟控制器和/或交换机都具有自己的单独的名称服务器，从而提供彼此完全的隔离。原始物理存储端口的WWPN被虚拟存储端口欺骗时，主机存储路径信息不变。结果是通常不允许在SAN内的两个相同的WWPN; 然而，通过将物理端口WWPN分为一个VSAN和虚拟端口WWPN进入另一个，可以规避该限制。

6. 发明授权

US08706959B1 Virtual storage machine 有权
标题翻译：虚拟存储机
公开(公告)号：US08706959B1
公开(公告)日：2014-04-22
申请号：US12459474
申请日：2009-06-30
申请人： Dan Arnon , David Meiri , Ian Wigmore , Patrick Brian Riordan , George M. Ericson , Navindra Sharma
发明人： Dan Arnon , David Meiri , Ian Wigmore , Patrick Brian Riordan , George M. Ericson , Navindra Sharma
IPC分类号： G06F12/00
CPC分类号： G06F3/0689 , G06F3/0617 , G06F3/0619 , G06F3/0665
摘要： The disclosure relates to a method and system for creating a virtual array in a physical array. Unassigned whole volumes in at least one physical array are identified. The identified volumes are associated with a first virtual array. Unique names are given to the identified volumes. At least one path is assigned to the first virtual array. The first virtual array may be associated with a second virtual array. Data may be migrated or replicated from the first virtual array to the second virtual array using existing array services.
摘要翻译：本公开涉及用于在物理阵列中创建虚拟阵列的方法和系统。识别至少一个物理阵列中未分配的整个卷。所识别的卷与第一虚拟阵列相关联。给定的卷赋予了唯一的名称。至少一个路径被分配给第一个虚拟阵列。第一虚拟阵列可以与第二虚拟阵列相关联。可以使用现有阵列服务将数据从第一个虚拟阵列迁移或复制到第二个虚拟阵列。

7. 发明授权

US08468180B1 Porting storage metadata 有权
标题翻译：移动存储元数据
公开(公告)号：US08468180B1
公开(公告)日：2013-06-18
申请号：US12930251
申请日：2010-12-31
申请人： David Meiri , Dan Arnon , Arieh Don , Ian Wigmore , Patrick Brian Riordan , John T. Fitzgerald , Alex Veprinsky , John Sopka
发明人： David Meiri , Dan Arnon , Arieh Don , Ian Wigmore , Patrick Brian Riordan , John T. Fitzgerald , Alex Veprinsky , John Sopka
IPC分类号： G06F17/30
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/0683
摘要： Migrating data from an old storage device to a new storage device includes creating new paths to the new storage device, freezing old paths to the old storage device, transferring metadata corresponding to the old storage device to the new storage device, where state information is transferred from the old storage device to the new storage device, and thawing the new paths. Migrating data from an old storage device to a new storage device may also include creating new volumes on the new storage device and transferring data from the old storage device to the new storage device. Migrating data from an old storage device to a new storage device may also include dismantling the old paths.
摘要翻译：将数据从旧存储设备迁移到新的存储设备包括创建到新存储设备的新路径，将旧路径冻结到旧存储设备，将与旧存储设备相对应的元数据传送到新存储设备，在该存储设备中传送状态信息从旧的存储设备到新的存储设备，并解冻新的路径。将数据从旧存储设备迁移到新的存储设备还可以包括在新存储设备上创建新卷并将数据从旧存储设备传送到新的存储设备。将数据从旧存储设备迁移到新的存储设备也可能包括拆除旧路径。

8. 发明授权

US08301812B1 Techniques for performing host path detection verification 有权
标题翻译：执行主机路径检测验证的技术
公开(公告)号：US08301812B1
公开(公告)日：2012-10-30
申请号：US13065549
申请日：2011-03-24
申请人： Patrick Brian Riordan , Ian Wigmore , Xiali He , Arieh Don , Steven M. Goldberg
发明人： Patrick Brian Riordan , Ian Wigmore , Xiali He , Arieh Don , Steven M. Goldberg
IPC分类号： G06F13/38 , G06F15/173
CPC分类号： G06F3/0632 , G06F3/0607 , G06F3/0635 , G06F3/067 , G06F13/4022 , G06F2213/3802
摘要： Described are techniques for verifying host path detection. First information from a first data storage system is received indicating a first set of one or more hosts and, for each host in the first set, which one or more devices of a first device set of the first data storage system are accessible to said each host in the first set over one or more associated paths to the first data storage system. Second information and the first information are received at a second data storage system. First processing is performed at the second data system to determine whether each host included in the first information has successfully completed path detection with respect to a second device set for the second data storage system.
摘要翻译：描述了用于验证主机路径检测的技术。接收来自第一数据存储系统的第一信息指示一个或多个主机的第一组，并且对于第一组中的每个主机，第一数据存储系统的第一设备组的哪一个或多个设备可被所述每个主机访问主机在第一组中超过与第一数据存储系统相关的一个或多个相关联的路径。在第二数据存储系统中接收第二信息和第一信息。在第二数据系统执行第一处理，以确定包括在第一信息中的每个主机是否相对于第二数据存储系统的第二设备集成功完成了路径检测。

9. 发明授权

US08028110B1 Non-disruptive data migration among storage devices using integrated virtualization engine of a storage device 有权
标题翻译：使用存储设备的集成虚拟化引擎在存储设备之间进行无中断的数据迁移
公开(公告)号：US08028110B1
公开(公告)日：2011-09-27
申请号：US11823619
申请日：2007-06-28
申请人： Ian Wigmore
发明人： Ian Wigmore
IPC分类号： G06F13/12 , G06F11/00
CPC分类号： G06F3/0647 , G06F3/061 , G06F3/0635 , G06F3/0637 , G06F3/067
摘要： Transferring I/O from a first storage device coupled to a storage area network to a second storage device coupled to the storage area network includes blocking I/O operations for a first port of the first storage device coupled to the storage area network, where the first port is associated with an identifier, coupling the second storage device to the storage area network via a port associated with the identifier and reestablishing a connection between the host and the first port to cause I/O operations by the host to be routed to the second storage device. Transferring may also include, following blocking I/O operations for the first port of the first storage device, coupling a second port of the first storage device to the storage area network and migrating data from the first storage device to the second storage device through the second port of the first storage device without host/application disruption.
摘要翻译：将耦合到存储区域网络的第一存储设备的I / O传输到耦合到存储区域网络的第二存储设备包括阻止耦合到存储区域网络的第一存储设备的第一端口的I / O操作，其中第一端口与标识符相关联，经由与标识符相关联的端口将第二存储设备耦合到存储区域网络，并重新建立主机与第一端口之间的连接，以使主机的I / O操作被路由到第二存储设备。在第一存储设备的第一端口阻塞I / O操作之后，传送还可以包括：将第一存储设备的第二端口耦合到存储区域网络，并且通过所述第一存储设备将数据从第一存储设备迁移到第二存储设备第一个存储设备的第二个端口，没有主机/应用程序中断。

10. 发明授权

US08392753B1 Automatic failover during online data migration 有权
标题翻译：在线数据迁移期间自动故障切换
公开(公告)号：US08392753B1
公开(公告)日：2013-03-05
申请号：US12750391
申请日：2010-03-30
申请人： Arieh Don , Ian Wigmore , Michael Specht , Steven Goldberg , Vaishali Kochavara
发明人： Arieh Don , Ian Wigmore , Michael Specht , Steven Goldberg , Vaishali Kochavara
IPC分类号： G06F11/07
CPC分类号： G06F11/1662 , G06F11/2094
摘要： A technique automatically handles a failure during online data migration from a source array to a target array. While a host initially accesses data from the source array using multipath I/O software, the technique involves (i) transitioning the source array to a passive mode, and the target array to an active mode, and (ii) beginning a data transfer operation which transfers data from the source array to the target array. The technique further involves modifying the data on both the target array and the source array in response to modification commands sent to the target array from the host while the data transfer operation is ongoing. The technique further involves automatically failing back to providing access to the data from the source array in response to an event in which the target array loses communication with the source array for a predefined amount of time.
摘要翻译：在从源阵列到目标阵列的在线数据迁移过程中，技术自动处理故障。主机最初使用多路径I / O软件从源阵列访问数据，该技术涉及（i）将源阵列转换为被动模式，将目标阵列转换为活动模式，以及（ii）开始数据传输操作它将数据从源数组传输到目标数组。该技术还涉及在数据传送操作正在进行时响应于从主机发送到目标阵列的修改命令来修改目标阵列和源阵列上的数据。该技术进一步涉及自动失败以响应于目标阵列在预定义的时间量内与源阵列失去通信的事件来提供对来自源阵列的数据的访问。

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