DFS is delivered as part of the Novell Storage Services (novell-nss) userspace package on OES 2015 or later. NSS must be installed and enabled on VLDB replica servers for the DFS management context and on any server where you want to create junctions.
In the YaST install, use themenu to select from the OES Services menu. This choice automatically selects these additional OES services that are used by DFS:
Novell Storage Services
Novell Backup/Storage Management Services (SMS)
Novell Linux User Management