Red Hat Training

A Red Hat training course is available for Red Hat Virtualization

4.6. Red Hat Virtualization Windows Guest VSS Support

The Red Hat Virtualization Backup and Restore API provides integration with Microsoft Windows Volume Shadow Copy Service (VSS) using qemu-ga. The VSS provider registration is made in the guest level as part of the Guest Tools deployment.
qemu-ga provides VSS support and live snapshots attempt to quiesce whenever possible.