nfsd runs on a server machine to service NFS requests from client machines. At least one
nfsd must be running for a machine to operate as a server.
Unless otherwise specified, four servers for UDP transport are started.
The following options are available:
-r
Register the NFS service with
rpcbind(8) without creating any servers. This option can be used along with the
-u or
-t options to re-register NFS if the portmap server is restarted.
-n
Specifies how many server threads to create. The default is 4. A server should run enough threads to handle the maximum level of concurrency from its clients.
-6
Listen to IPv6 requests as well as IPv4 requests. If IPv6 support is not available, nfsd will silently continue and just use IPv4.
-t
Serve TCP NFS clients.
-u
Serve UDP NFS clients.
For example, “
nfsd -t -u -n 6” serves UDP and TCP transports using six threads.
nfsd listens for service requests at the port indicated in the NFS server specification; see
Network File System Protocol Specification,, RFC 1094 and
NFS: Network File System Version 3 Protocol Specification.,
The
nfsd utility exits 0 on success, and >0 if an error occurs.