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MEMORY FIRST LIVE SNAPSHOT

机译:记忆第一现场快照

摘要

The subject matter of this specification can be implemented in, among other things, a method including receiving a request to create a live snapshot of a state of a virtual machine including a memory and an original disk file. The method further includes copying, by a hypervisor, data from the memory to a storage device to form a memory snapshot. The method further includes pausing the virtual machine and creating a new disk file at a reference point-in-time. The original disk file is a backing file of the new disk file. The method further includes resuming the virtual machine. The virtual machine is to perform disk operations using the new disk file after the reference point-in-time. The method further includes copying the original disk file to a disk snapshot file. The method further includes providing the live snapshot including the disk snapshot file and the memory snapshot.
机译:除其他事项外,本说明书的主题可以通过一种方法来实现,该方法包括接收创建虚拟机状态的实时快照的请求,该虚拟机状态包括内存和原始磁盘文件。该方法还包括由管理程序将数据从存储器复制到存储设备以形成存储器快照。该方法还包括暂停虚拟机并在参考时间点创建新的磁盘文件。原始磁盘文件是新磁盘文件的备份文件。该方法还包括恢复虚拟机。虚拟机将在参考时间点之后使用新磁盘文件执行磁盘操作。该方法还包括将原始磁盘文件复制到磁盘快照文件。该方法还包括提供包括磁盘快照文件和存储器快照的实时快照。

著录项

  • 公开/公告号US2015066859A1

    专利类型

  • 公开/公告日2015-03-05

    原文格式PDF

  • 申请/专利权人 RED HAT. INC.;

    申请/专利号US201314011572

  • 发明设计人 ERIC BLAKE;

    申请日2013-08-27

  • 分类号G06F11/14;

  • 国家 US

  • 入库时间 2022-08-21 15:20:34

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