LOW OVERHEAD FAULT TOLERANCE THROUGH HYBRID CHECKPOINTING AND REPLAY
    2.
    发明申请
    LOW OVERHEAD FAULT TOLERANCE THROUGH HYBRID CHECKPOINTING AND REPLAY 审中-公开
    通过混合检查和更换的低过载故障容错

    公开(公告)号:US20130290782A1

    公开(公告)日:2013-10-31

    申请号:US13926821

    申请日:2013-06-25

    Applicant: VMware, Inc.

    Abstract: A virtualized computer system provides fault tolerant operation of a primary virtual machine. In one embodiment, this system includes a backup computer system that stores a snapshot of the primary virtual machine and a log file containing non-deterministic events occuring in the instruction stream of the primary virtual machine. The primary virtual machine periodically updates the snapshot and the log file. Upon a failure of the primary virtual machine, the backup computer can instantiate a failover backup virtual machine by consuming the stored snapshot and log file.

    Abstract translation: 虚拟化计算机系统提供主虚拟机的容错操作。 在一个实施例中,该系统包括存储主虚拟机的快照的备份计算机系统和包含在主虚拟机的指令流中发生的非确定性事件的日志文件。 主虚拟机会定期更新快照和日志文件。 在主虚拟机发生故障后,备份计算机可以通过使用存储的快照和日志文件实例化故障转移备份虚拟机。

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