Actually, I've been reading and I might have jumped the gun.. Its programmer panic, sorry. You are right, it looks like a different type of system. I actually support all the providers Jclouds provides: Openstack Nova, rackspace, EC2, AWS-ec2.. more.

Whats more ozone does not store any state, rather it stores it in a zookeeper/etcd cluster so you are in control of your meta-data.