[ovirt-users] HE (3.6) on gluster storage, chicken and egg status

I've managed to get hosted-engine running but could use some direction for what comes next. Summary: 4 Hosts, CentOS 7.2, oVirt 3.6 (from ovirt.org repo) All hosts are in default/default datacenter/cluster All 4 hosts are running glusterd HE is installed on glusterfs volume, replica 3, on hosts 1,2, and 3. ( started with replica 4, but removed 4th brick to satisfy HE --deploy) Status: All hosts are active Datacenter is not initialized Issues: Attach hosted_storage to Default datacenter fails New volume dialog doesn't allow me to select a datacenter (list is empty) Questions: 1. Why doesn't replica 4 work as a glusterfs volume, is this just because of the installer or is there a more fundamental reason? 2. I assume the reason I can't create new volumes is because I don't have a data storage domain configured yet. I want all of my data storage to be glusterfs. How do I escape this chicken/egg puzzle? 3. What question should I be asking that I am not? Thanks