libvirt XML 学习笔记

使用网桥br0 xml片断

<interface type='bridge'>
      <mac address='00:11:22:33:44:55'/>
      <source bridge='br0'/>
 </interface>

使用virtio片段并禁用cache

 <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2' cache='none'/>
      <source file='/vmstore/images/centos_test0_preallc.qcow2'/>
      <target dev='vda' bus='virtio'/>
      <address type='drive' controller='0' bus='0' unit='0'/>
    </disk>

 

 不太懂得地方:

<domain type='xen' id='3'>
  <name>fv0</name>
  <uuid>4dea22b31d52d8f32516782e98ab3fa0</uuid>
  <title>A short description - title - of the domain</title>
  <description>Some human readable description</description>
  <metadata>
    <app1:foo xmlns:app1="http://app1.org/app1/">..</app1:foo>
    <app2:bar xmlns:app2="http://app1.org/app2/">..</app2:bar>
  </metadata>

metadata 是为应用程序自定义的元数据,是什么地方/怎么用的?

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