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Create Guest VM Disk Image

This step is to create VM Disk image using Kubevirt, this is a one time activity to create bootdisk, install required drivers and ensure SR-IOV is enabled on guest VM images. Once after disk image is created, image can be used for deployment of guest VMs

Manifest is provided in sample-application/create-bootdisk/manifest/vm1.yaml

Windows Guest VM creation

Pre-requisites:

  • Windows 10/11 ISO
  • Virtio ISO for drivers
  • Latest Intel GPU & Zero Copy drivers - Create ISO file with the drivers / Download directly on VM when Ethernet driver is installed and VM is able to connect to internet
  1. Convert the ISO files to RAW disk image 
    qemu-img convert -f raw -O raw file.iso disk.img
  2. Place the RAW disk images derived from above ISO files in these locations
    Image PersistantVolume Name Path to store RAW disk Image
    Windows ISO cdisk-vm1-iso1-pv /opt/disk_imgs/iso/os-iso-disk/disk.img
    Virtio ISO cdisk-vm1-iso2-pv /opt/disk_imgs/iso/virtio-iso-disk/disk.img
    Drivers ISO (If ISO is created) cdisk-vm1-folder-pv /opt/disk_imgs/iso/drivers/disk.img
    Note: size of VM image is set to 60GB by default, edit storage parameter in vm1.yaml under cdisk-vm1-bootdisk to change it
  3. Primary display considered in manifest is HDMI-1, hence deploy the Sidecar configmap of HDMI-1 and then apply manifest 
    kubectl apply -f sample-application/discrete/sidecar/hdmi1.yaml
kubectl apply -f sample-application/create-bootdisk/manifest/vm1.yaml
  4. Now you should see prompt to install OS on HDMI-1, now continue installation
  5. Refer Multi-OS with Graphics SR-IOV Virtualization on Ubuntu User Guide PDF Section 5.2.1 Windows* Guest VM Manual Setup
    • Note: Use the latest Intel GPU and Zero drivers from link mentioned in Pre-requisites section
    • Continue from Section 5.2.1.2 Create Windows Guest VM Image from ISO > Step 2 Follow the Windows installation steps until you see the Windows Setup screen.
    • And complete installtion till Section 5.2.1.12 Resume Windows Update
  6. Once after OS installation is complete, shutdown the VM, remove the manifest 
    kubectl delete -f sample-application/create-bootdisk/manifest/vm1.yaml
kubectl delete -f sample-application/discrete/sidecar/hdmi1.yaml
  7. Copy the disk.img from /opt/disk_imgs/create-vm-bootdisk to desired location to deploy

Ubuntu Guest VM creation

Pre-requisites:

  • Ubuntu 22.04/24.04 ISO
  1. Convert the Ubuntu ISO file to RAW disk image 
    qemu-img convert -f raw -O raw file.iso disk.img
  2. Place the RAW disk images derived from above ISO files in these locations
    Image PersistantVolume Name Path to store RAW disk Image
    Ubuntu ISO cdisk-vm1-iso1-pv /opt/disk_imgs/iso/os-iso-disk/disk.img
  3. Primary display considered in manifest is HDMI-1, hence deploy the Sidecar configmap of HDMI-1 and then apply manifest 
    kubectl apply -f sample-application/discrete/sidecar/hdmi1.yaml
kubectl apply -f sample-application/create-bootdisk/manifest/vm1.yaml
  4. Now you should see prompt to install OS on HDMI-1, now continue installation
  5. Once after OS is installed, ensure internet is available and set the proxy if required.
  6. Open a Terminal in the guest VM. Run the command shown below to upgrade Ubuntu software to the latest in the guest VM. 
    # Upgrade Ubuntu software
sudo apt -y update
sudo apt -y upgrade
sudo apt -y install openssh-server
  7. Copy setup_bsp.sh to home directory of Ubuntu Guest
  8. Run ./setup_bsp.sh in Ubuntu guest VM. Please be patient, it will take a few hours 
    # in the guest
cd ~
sudo chmod +x setup_bsp.sh
sudo ./setup_bsp.sh -kp 6.6-intel
  9. Do reboot, after rebooting, check if the kernel is the installed version. 
    uname -r
    Output 
    6.6-intel
  10. Verify SR-IOV is enabled 
    sudo dmesg | grep SR-IOV
    Output 
    [6.026008] i915 0000:00:02.0: Running in SR-IOV VF mode
  11. Once after OS installation is complete, shutdown the VM, remove the manifest sh kubectl delete -f sample-application/create-bootdisk/manifest/vm1.yaml kubectl delete -f sample-application/discrete/sidecar/hdmi1.yaml
  12. Copy the disk.img from /opt/disk_imgs/create-vm-bootdisk to desired location to deploy