---
features:
  - |
    Virtuozzo Storage is available as a volume backend in
    libvirt virtualization driver.

    .. note:: Only qcow2/raw volume format supported, but not ploop.

upgrade:
  - For the Virtuozzo Storage driver to work with os-brick <1.4.0,
    you need to allow "pstorage-mount" in rootwrap filters
    for nova-compute.
