DFS is delivered as a part of the NSS rpm on the OES 2 Linux (and later versions) server. When you upgrade NSS, the DFS binaries are automatically upgraded. After the upgrade, for DFS to function properly, you must restart the daemons in the following order:
(Optional) Restart vldb, if the server is a VLDB replica.
All the above binaries are located in the /opt/novell/nss/sbin directory.