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> it wil snapshot the root disk
> if you use addtional ephmeeral disks i do not think they are included
> but if you create the vms wit a singel root disk that is big enaough for your
> needs and use swift as your glance backend
> then yes. it will store the backups in object storage and rotate up to N
> backups per instance.

Thanks Sean!  I tested a VM with a single root disk (no ephemeral disks) and it worked as expected (how you described).