Alan Jager space

文章目录QEMU FT方案介绍MicroCheckpointingMC本身的设备I/O一致性Failure Recovery参考文献QEMU FT方案介绍MicroCheckpointing基本概念 Micro-Checkpoints (MC) 默认工作在QEMU虚拟机热迁移的逻辑上，可以被简单的理解为“在执行不会结束的热迁移”。比如，在一个确定的周期譬如0.01s去的循环里去执行如下逻辑：1. 在N ms之后stop vm（paused）2. 通过调用live migration的逻辑生成一个

Something about cpu and memory hot plug on kvmnuma architectureballoon driver

One important feature of 'qcow2' is the 'Copy-on-Write' images. The "cow" part of qcow2 is an acronym for copy on write, a neat little trick that allows you to set up an image once and use it ma

什么是虚拟化（virtualization）首先是wiki上面对于虚拟化的定义 In computing, virtualization refers to the act of creating a virtual (rather than actual) version of something, including virtual computer hardware platforms,