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11.3.

11.3.1. 
复制链接

警告

  • # virt-xml --network=?
--network options:
[...]
address.unit
boot_order
clearxml
driver_name
[...]
    Copy to Clipboard Toggle word wrap 

    • # virt-xml testguest --add-device --disk /var/lib/libvirt/images/newdisk.qcow2,format=qcow2,size=20
Domain 'testguest' defined successfully.
Changes will take effect after the domain is fully powered off.
      Copy to Clipboard Toggle word wrap 

    • # virt-xml testguest2 --add-device --update --hostdev 002.004
Device hotplug successful.
Domain 'testguest2' defined successfully.
      Copy to Clipboard Toggle word wrap 

  • # virsh dumpxml testguest
[...]
<hostdev mode='subsystem' type='usb' managed='yes'>
  <source>
    <vendor id='0x4146'/>
    <product id='0x902e'/>
    <address bus='2' device='4'/>
  </source>
  <alias name='hostdev0'/>
  <address type='usb' bus='0' port='3'/>
</hostdev>
[...]
    Copy to Clipboard Toggle word wrap

11.3.2. 
复制链接

# virt-xml --network=?
--network options:
[...]
address.unit
boot_order
clearxml
driver_name
[...]
Copy to Clipboard Toggle word wrap 
# virsh dumpxml testguest1 > testguest1.xml
# cat testguest1.xml
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
  <name>testguest1</name>
  <uuid>ede29304-fe0c-4ca4-abcd-d246481acd18</uuid>
  [...]
</domain>
Copy to Clipboard Toggle word wrap 

  1. # virt-xml testguest --edit --cpu host-model,clearxml=yes
Domain 'testguest' defined successfully.
    Copy to Clipboard Toggle word wrap 

  • # virsh dumpxml testguest
[...]
<cpu mode='host-model' check='partial'>
  <model fallback='allow'/>
</cpu>
[...]
    Copy to Clipboard Toggle word wrap 

  • # virsh define testguest.xml
    Copy to Clipboard Toggle word wrap
注意

11.3.3. 
复制链接

# virsh dumpxml testguest1 > testguest1.xml
# cat testguest1.xml
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
  <name>testguest1</name>
  <uuid>ede29304-fe0c-4ca4-abcd-d246481acd18</uuid>
  [...]
</domain>
Copy to Clipboard Toggle word wrap 

    • # virt-xml testguest --remove-device --disk target=vdb
Domain 'testguest' defined successfully.
Changes will take effect after the domain is fully powered off.
      Copy to Clipboard Toggle word wrap 

    • # virt-xml testguest2 --remove-device --update --hostdev type=usb
Device hotunplug successful.
Domain 'testguest2' defined successfully.
      Copy to Clipboard Toggle word wrap 

  • # virsh define testguest.xml
    Copy to Clipboard Toggle word wrap
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