On 7/12/2018 10:09 AM, Alfredo De Luca wrote: > I tried with glance image-create or nova backup.... but I got the > following Neither of those are server snapshot operations (well backup is, but it's probably not what you're looking for). glance image-create is creating an image in glance, not creating a snapshot from a server. That would be 'nova image-create': https://docs.openstack.org/python-novaclient/latest/cli/nova.html#nova-image-create What is the error message in the 400 response? It should be in the CLI output but if not, what's in the nova-api logs? -- Thanks, Matt