Not quite ceph, and not the HC4, but... https://magazine.odroid.com/article/200tb-glusterfs-server-using-the-odroid-hc2-for-massively-distributed-applications/

Not quite ceph, and not the HC4, but... https://magazine.odroid.com/article/200tb-glusterfs-server-using-the-odroid-hc2-for-massively-distributed-applications/ https://magazine.odroid.com/article/200tb-glusterfs-server-u...