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    Externally triggered maintenance of state information of virtual machines for high availablity operations
    1.
    发明授权
    Externally triggered maintenance of state information of virtual machines for high availablity operations 有权

    公开(公告)号：US10725883B2

    公开(公告)日：2020-07-28

    申请号：US14945448

    申请日：2015-11-19

    Applicant: VMWARE, INC.

    Inventor： Hariharan Jeyaraman Ganesan ,  Jinto Antony ,  Madhusudhanan Gangadharan ,  Muthukumar Murugan

    IPC: G06F9/455 ,  G06F11/30 ,  G06F11/07

    Abstract: An example method is provided to maintain state information of a virtual machine in a virtualized computing environment through an externally-triggered approach. The method may comprise detecting, by an external entity, that a first host in a cluster is disconnected from a first network connecting the first host to a distributed storage system accessible by the cluster. The method may also comprise instructing the first host to suspend a virtual machine supported by the first host and to store state information associated with the virtual machine. The method may further comprise selecting a second host from the cluster and instructing the first host to migrate the suspended virtual machine to the second host such that the suspended virtual machine is able to resume from suspension on the second host based on the stored state information.

    Self triggered maintenance of state information of virtual machines for high availability operations
    2.
    发明授权
    Self triggered maintenance of state information of virtual machines for high availability operations 有权

    公开(公告)号：US10725804B2

    公开(公告)日：2020-07-28

    申请号：US14945460

    申请日：2015-11-19

    Applicant: VMWARE, INC.

    Inventor： Hariharan Jeyaraman Ganesan ,  Jinto Antony ,  Madhusudhanan Gangadharan ,  Muthukumar Murugan

    IPC: G06F9/455

    Abstract: An example method is provided to maintain state information of a virtual machine in a virtualized computing environment through a self-triggered approach. The method may comprise detecting, by a first host from a cluster in the virtualized computing environment, that the first host is disconnected from a network connecting the first host to a distributed storage system accessible by the cluster. The method may also comprise suspending, by the first host, a virtual machine supported by the first host and storing state information associated with the virtual machine. The method may further comprise selecting a second host from the cluster and migrating the suspended virtual machine to the second host such that the suspended virtual machine is able to resume from suspension on the second host based on the stored state information.

    VM availability during management and VM network failures in host computing systems
    8.
    发明授权
    VM availability during management and VM network failures in host computing systems 有权
    虚拟机在主机计算系统中的管理和虚拟机网络故障时的可用性

    公开(公告)号：US09465704B2

    公开(公告)日：2016-10-11

    申请号：US14271522

    申请日：2014-05-07

    Applicant: VMWARE, INC.

    Inventor： Hariharan Jeyaraman Ganesan ,  Jinto Antony

    IPC: G06F11/00 ,  G06F11/20 ,  G06F11/07 ,  G06F11/14

    CPC classification number: G06F11/203 ,  G06F11/0712 ,  G06F11/1484 ,  G06F11/2025

    Abstract: Techniques for virtual machine (VM) availability during management network failure and VM network failure in a first host computing system in a failover cluster are described. In one example embodiment, management network failure is identified in the first host computing system. The management network being coupled to a virtual management software in a management server and used for management functions. Migration of the VMs running on the first host computing system is then initiated to at least one other host computing system in the failover cluster via a migration network by a failover agent associated with the first host computing system. The migration network being isolated from the virtual management software and capable of handling live migrations.

    Abstract translation: 描述了在故障转移群集中的第一主机计算系统中的管理网络故障期间的虚拟机（VM）可用性和VM网络故障的技术。 在一个示例实施例中，在第一主机计算系统中识别管理网络故障。 管理网络耦合到管理服务器中的虚拟管理软件并用于管理功能。 然后，通过与第一主机计算系统相关联的故障切换代理，通过迁移网络将在第一主机计算系统上运行的VM的迁移发起到故障转移群集中的至少一个其他主机计算系统。 迁移网络与虚拟管理软件隔离，能够处理实时迁移。

    Providing multiple IO paths in a virtualized environment to support for high availability of virtual machines
    9.
    发明授权
    Providing multiple IO paths in a virtualized environment to support for high availability of virtual machines 有权
    在虚拟化环境中提供多个IO路径，以支持虚拟机的高可用性

    公开(公告)号：US09304878B2

    公开(公告)日：2016-04-05

    申请号：US13649884

    申请日：2012-10-11

    Applicant: VMware, Inc.

    Inventor： Jinto Antony ,  Sudhish Panamthanath Thankappan ,  Jidhin Malathusseril Thomas

    IPC: G06F11/00 ,  G06F11/20

    CPC classification number: G06F11/2046 ,  G06F11/203 ,  G06F11/2035 ,  G06F11/2038 ,  G06F2201/815

    Abstract: High availability of a virtual machine is ensured even when all of the virtual machine's IO paths fail. In such a case, the virtual machine is migrated to a host that is sharing the same storage system as the current host in which the virtual machine is being executed and has at least one functioning IO path to the shared storage system. After execution control of the virtual machine is transferred to the new host, IO operations from the virtual machine are issued over the new IO path.

    Abstract translation: 即使所有虚拟机的IO路径都失败，也可确保虚拟机的高可用性。 在这种情况下，虚拟机将迁移到共享与正在执行虚拟机的当前主机相同的存储系统的主机，并且具有至少一个运行到共享存储系统的IO路径。 在将虚拟机的执行控制传输到新主机之后，通过新的IO路径发出来自虚拟机的IO操作。

    Virtual machine crash management
    10.
    发明授权
    Virtual machine crash management 有权
    虚拟机崩溃管理

    公开(公告)号：US09183093B2

    公开(公告)日：2015-11-10

    申请号：US14156461

    申请日：2014-01-16

    Applicant: VMWARE, INC.

    Inventor： Jinto Antony

    IPC: G06F11/00 ,  G06F11/14 ,  G06F9/455 ,  G06F17/30

    CPC classification number: G06F11/1448 ,  G06F9/45545 ,  G06F9/45558 ,  G06F11/0712 ,  G06F11/0778 ,  G06F11/1402 ,  G06F11/1415 ,  G06F11/1438 ,  G06F11/1484 ,  G06F17/3007 ,  G06F2009/45591

    Abstract: Systems and techniques are described for managing virtual machines crashes. A described technique includes determining that a virtual machine is unresponsive, in response to determining that the virtual machine is unresponsive, identifying one or more files in which a guest operating system (OS) of the virtual machine writes data when the guest OS abnormally terminates, the one or more files being stored in virtual storage, determining, based on contents of the one or more files, whether the guest OS has abnormally terminated, in response to determining that the guest OS has abnormally terminated, monitoring requests initiated by the virtual machine to determine whether the guest OS has finished writing to the one or more files, and in response to determining that the guest OS has finished writing to the one or more files, copying the one or more files to a location in hardware storage, and restarting the virtual machine.

    Abstract translation: 描述了管理虚拟机崩溃的系统和技术。 响应于确定虚拟机无响应，所述技术包括确定虚拟机不响应，识别虚拟机的客户机操作系统（OS）在客户OS异常终止时写入数据的一个或多个文件， 一个或多个文件被存储在虚拟存储器中，响应于确定客户操作系统异常终止，基于一个或多个文件的内容来确定客户操作系统是否异常终止，由虚拟机发起的监视请求 以确定客人操作系统是否完成了对一个或多个文件的写入，并且响应于确定客户操作系统已经完成对一个或多个文件的写入，将一个或多个文件复制到硬件存储器中的位置，并且重新启动 虚拟机。

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