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10.5. Using KVM virtio Drivers for New Devices

This procedure covers creating new devices using the KVM virtio drivers with virt-manager.
Alternatively, the virsh attach-disk or virsh attach-interface commands can be used to attach devices using the virtio drivers.

Important

Ensure the drivers have been installed on the Windows guest before proceeding to install new devices. If the drivers are unavailable the device will not be recognized and will not work.

Procedure 10.5. Adding a storage device using the virtio storage driver

  1. Open the guest virtual machine by double clicking on the name of the guest in virt-manager.
  2. Open the Show virtual hardware details tab by clicking the lightbulb button.
    The Show virtual hardware details tab
    View larger image
    The Show virtual hardware details tab

    Figure 10.27. The Show virtual hardware details tab

  3. In the Show virtual hardware details tab, click on the Add Hardware button.

  4. Select hardware type

    Select Storage as the Hardware type.
    The Add new virtual hardware wizard with Storage selected as the hardware type.
    View larger image
    The Add new virtual hardware wizard with Storage selected as the hardware type.

    Figure 10.28. The Add new virtual hardware wizard

  5. Select the storage device and driver

    Create a new disk image or select a storage pool volume.
    Set the Device type to Virtio disk to use the virtio drivers.
    The Add new virtual hardware wizard Storage window, with
    View larger image
    The Add new virtual hardware wizard Storage window, with

    Figure 10.29. The Add new virtual hardware wizard

    Click Finish to complete the procedure.

Procedure 10.6. Adding a network device using the virtio network driver

  1. Open the guest virtual machine by double clicking on the name of the guest in virt-manager.
  2. Open the Show virtual hardware details tab by clicking the lightbulb button.
    The Show virtual hardware details tab
    View larger image
    The Show virtual hardware details tab

    Figure 10.30. The Show virtual hardware details tab

  3. In the Show virtual hardware details tab, click on the Add Hardware button.

  4. Select hardware type

    Select Network as the Hardware type.
    The Add new virtual hardware wizard with Network selected as the hardware type.
    View larger image
    The Add new virtual hardware wizard with Network selected as the hardware type.

    Figure 10.31. The Add new virtual hardware wizard

  5. Select the network device and driver

    Set the Device model to virtio to use the virtio drivers. Choose the desired Host device.
    The Add new virtual hardware wizard Network window, with Device model set to virtio.
    View larger image
    The Add new virtual hardware wizard Network window, with Device model set to virtio.

    Figure 10.32. The Add new virtual hardware wizard

    Click Finish to complete the procedure.
Once all new devices are added, reboot the virtual machine. Windows virtual machines may not recognize the devices until the guest is rebooted.
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