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    VIRTUAL MACHINE MIGRATION TECHNIQUES
    1.
    发明申请
    VIRTUAL MACHINE MIGRATION TECHNIQUES 审中-公开
    虚拟机移动技术

    公开(公告)号：WO2011153038A2

    公开(公告)日：2011-12-08

    申请号：PCT/US2011/037922

    申请日：2011-05-25

    Applicant: MICROSOFT CORPORATION

    Inventor： REUTHER, Lars ,  GREEN, Dustin L. ,  STARKS, John A.

    IPC: G06F9/06 ,  G06F9/44

    CPC classification number: G06F9/45558 ,  G06F2009/4557 ,  G06F2009/45583

    Abstract: Techniques for migrating a virtual machine from a source computer system to a target computer system are disclosed. In an exemplary embodiment, a group of pages can be mapped writable in response to determining that the guest operating system attempted to change a specific page. In the same, or other embodiments, pages can be compressed prior to sending such that throughput of a communication channel is maximized. In the same, or other embodiments, storage IO jobs can be canceled on a source computer system and reissued by a target computer system.

    Abstract translation: 公开了将虚拟机从源计算机系统迁移到目标计算机系统的技术。 在示例性实施例中，响应于确定客户机操作系统尝试改变特定页面，可以将一组页面映射成可写。 在相同或其他实施例中，可以在发送之前压缩页面，使得通信信道的吞吐量最大化。 在相同或其他实施例中，可以在源计算机系统上取消存储IO作业并由目标计算机系统重新发行。

    SHARING A VIRTUAL HARD DISK ACROSS MULTIPLE VIRTUAL MACHINES
    2.
    发明申请
    SHARING A VIRTUAL HARD DISK ACROSS MULTIPLE VIRTUAL MACHINES 审中-公开
    通过多台虚拟机共享一个虚拟硬盘

    公开(公告)号：WO2014197289A1

    公开(公告)日：2014-12-11

    申请号：PCT/US2014/040121

    申请日：2014-05-30

    Applicant: MICROSOFT CORPORATION

    Inventor： D'AMATO, Andrea ,  SHANKAR, Vinod R. ,  OSHINS, Jacob ,  KURJANOWICZ, Matthew David ,  PETTER, Vladimir ,  STARKS, John A.

    IPC: G06F3/06

    CPC classification number: G06F17/30076 ,  G06F3/0604 ,  G06F3/0626 ,  G06F3/0661 ,  G06F3/067 ,  G06F9/45533 ,  G06F9/45558 ,  G06F17/30233 ,  G06F2009/45583 ,  H04L67/1097

    Abstract: Embodiments provide a method and system for sharing storage among a plurality of virtual machines. Specifically, one or more embodiments are directed to sharing a virtual hard disk with various virtual machines in a virtual machine cluster. In embodiments, a command is sent from a virtual machine to a local parser. The parser prepares the command for transport over a file system protocol. The command is sent to a remote file server using the file system protocol. When the command is received by the file server, the file server unpacks the command, determines features about the command and converts the command to a format that executes the command on the virtual shared storage.

    Abstract translation: 实施例提供了用于在多个虚拟机之间共享存储的方法和系统。 具体地，一个或多个实施例涉及在虚拟机集群中与各种虚拟机共享虚拟硬盘。 在实施例中，命令从虚拟机发送到本地解析器。 解析器准备通过文件系统协议传输的命令。 该命令使用文件系统协议发送到远程文件服务器。 当文件服务器接收到命令时，文件服务器解包该命令，确定有关命令的功能，并将命令转换为在虚拟共享存储上执行该命令的格式。

    VIRTUAL DISK STORAGE TECHNIQUES
    3.
    发明申请
    VIRTUAL DISK STORAGE TECHNIQUES 审中-公开
    虚拟磁盘存储技术

    公开(公告)号：WO2012148448A1

    公开(公告)日：2012-11-01

    申请号：PCT/US2011/055591

    申请日：2011-10-10

    Applicant: MICROSOFT CORPORATION

    Inventor： STARKS, John A. ,  GREEN, Dustin L. ,  HARRIS, Todd William ,  JOHN, Mathew ,  RAJARAM, Senthil ,  TRAUT, Eric

    IPC: G06F12/08 ,  G06F12/00 ,  G06F9/06

    CPC classification number: G06F9/45558 ,  G06F3/061 ,  G06F3/0619 ,  G06F3/0643 ,  G06F3/0644 ,  G06F3/0659 ,  G06F3/0664 ,  G06F3/0673 ,  G06F3/0683 ,  G06F3/0689 ,  G06F3/121 ,  G06F9/455 ,  G06F9/45545 ,  G06F2009/45583

    Abstract: In an exemplary embodiment, a virtual disk file can be assigned an identifier and a virtual disk files that is dependent on the virtual disk file can include a copy of the identifier. In the instance that the virtual disk file is opened and data is modified that causes the contents of a virtual disk extent to change the identifier can be changed. If the virtual disk file and the dependent virtual disk file are used to instantiate a virtual disk the difference between identifiers can be detected, which is indicative of the fact that the virtual disk may be corrupted. Other techniques are described in the detailed description, claims, and figures that form a part of this document.

    Abstract translation: 在示例性实施例中，可以为虚拟磁盘文件分配标识符，并且依赖于虚拟磁盘文件的虚拟磁盘文件可以包括标识符的副本。 在虚拟磁盘文件被打开并且数据被修改的情况下，可以改变导致虚拟磁盘盘区的内容改变标识符的情况。 如果虚拟磁盘文件和从属虚拟磁盘文件用于实例化虚拟磁盘，则可以检测到标识符之间的差异，这表示虚拟磁盘可能已损坏。 在作为本文档的一部分的详细描述，权利要求和附图中描述了其它技术。

    VIRTUAL MACHINE MIGRATION TECHNIQUES
    7.
    发明公开
    VIRTUAL MACHINE MIGRATION TECHNIQUES 审中-公开
    迁移过程虚拟机

    公开(公告)号：EP2577450A2

    公开(公告)日：2013-04-10

    申请号：EP11790209.8

    申请日：2011-05-25

    Applicant: Microsoft Corporation

    Inventor： REUTHER, Lars ,  GREEN, Dustin L. ,  STARKS, John A.

    IPC: G06F9/06 ,  G06F9/44

    CPC classification number: G06F9/45558 ,  G06F2009/4557 ,  G06F2009/45583

    Abstract: Techniques for migrating a virtual machine from a source computer system to a target computer system are disclosed. In an exemplary embodiment, a group of pages can be mapped writable in response to determining that the guest operating system attempted to change a specific page. In the same, or other embodiments, pages can be compressed prior to sending such that throughput of a communication channel is maximized. In the same, or other embodiments, storage IO jobs can be canceled on a source computer system and reissued by a target computer system.

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