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Usage guide

This section contains information on how to create Glance images for Hyper-V compute nodes and how to use various Hyper-V features through image metadata properties and Nova flavor extra specs.

Prepare images for use with Hyper-V

Hyper-V currently supports only the VHD and VHDx file formats for virtual machines.

OpenStack Hyper-V images should have the following items installed:

  • cloud-init (Linux) or cloudbase-init (Windows)
  • Linux Integration Services (on Linux type OSes)

Images can be uploaded to glance using the openstack client:

openstack image create --name "VM_IMAGE_NAME" --property hypervisor_type=hyperv --public \
    --container-format bare --disk-format vhd --file /path/to/image

Note

VHD and VHDx files sizes can be bigger than their maximum internal size, as such you need to boot instances using a flavor with a slightly bigger disk size than the internal size of the disk files.