Networking Guide
Chapter 12, Configuring the Network File System (NFS)

Configuring the Network Lock Manager (NLM)

Configuring the Network Lock Manager (NLM)

If you chose to install the NLM (Network Lock Manager) package when you installed NFS, lockd and statd will start automatically each time the host boots. If you elected not to install the NLM package, you will have to do so using the NFS installation floppies.