drbd is really really hard to use. (ceph aswell tough) also performance is extremly dependant on so many factors which are not always given. i.e. drives, netwo

drbd is really really hard to use. (ceph aswell tough) also performance is extremly dependant on so many factors which are not always given. i.e. drives, network, etc. for some stuff even a distributed fs is enough, like glusterfs