Since you mentioned union fs then you are not using upstream kernel, most likely you are blaming your non-enterprise distribution choices on containers technolo

Since you mentioned union fs then you are not using upstream kernel, most likely you are blaming your non-enterprise distribution choices on containers technology. Fact #1 redhat do have enterprise docker container based solutions. Check project atomic and openshift Fact #2 cloud providers like google, azure and amazon do have container basef solutions Fact #3 coreos do have production grade docker based solutions Fact #4 kubernetes do support pet pods aka stateful pods and can get data volume from reliable ebs or ceph