Section: Maintenance Commands (8)Updated: 7 Aug 2006Local indexUp
rpc.nfsd - NFS server process
/usr/sbin/rpc.nfsd [options] nproc
program implements the user level part of the NFS service. The
main functionality is handled by the
kernel module. The user space program merely specifies what sort of sockets
the kernel service should listen on, what NFS versions it should support, and
how many kernel threads it should use.
server provides an ancillary service needed to satisfy mount requests
by NFS clients.
-d or --debug
enable logging of debugging messages
-H or --host hostname
specify a particular hostname (or address) that NFS requests will
be accepted on. By default,
will accept NFS requests on all known network addresses.
(which performs file locking services for NFS) may still accept
request on all known network addresses. This may change in future
releases of the Linux Kernel.
-p or --port port
specify a diferent port to listen on for NFS requests. By default,
will listen on port 2049.
-N or --no-nfs-version vers
This option can be used to request that
does not offer certain versions of NFS. The current version of
can support both NFS version 2,3 and the newer version 4.
-s or --syslog
logs error messages (and debug messages, if enabled) to stderr. This option makes
log these messages to syslog instead. Note that errors encountered during
option processing will still be logged to stderr regardless of this option.
-T or --no-tcp
from accepting TCP connections from clients.
-U or --no-udp
from accepting UDP connections from clients.
specify the number of NFS server threads. By default, just one
thread is started. However, for optimum performance several threads
should be used. The actual figure depends on the number of and the work
load created by the NFS clients, but a useful starting point is
8 threads. Effects of modifying that number can be checked using
Note that if the NFS server is already running, then the options for
specifying host, port, and protocol will be ignored. The number of
processes given will be the only option considered, and the number of
processes will be increased or decreased to match this number.
will stop all threads and thus close any open connections.
If the program is built with TI-RPC support, it will enable any protocol and
address family combinations that are marked visible in the