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RedHat 9 (Linux i386) - man page for rpc.statd (redhat section 8)

rpc.statd(8)			     System Manager's Manual			     rpc.statd(8)

NAME
       rpc.statd - NSM status monitor

SYNOPSIS
       /sbin/rpc.statd [-F] [-d] [-?] [-n  name ] [-o  port ] [-p  port ] [-V]

DESCRIPTION
       The  rpc.statd server implements the NSM (Network Status Monitor) RPC protocol.	This ser-
       vice is somewhat misnomed, since it doesn't actually  provide  active  monitoring  as  one
       might  suspect;	instead,  NSM implements a reboot notification service. It is used by the
       NFS file locking service, rpc.lockd, to	implement  lock  recovery  when  the  NFS  server
       machine crashes and reboots.

   Operation
       For  each  NFS  client  or  server  machine  to	be monitored, rpc.statd creates a file in
       /var/lib/nfs/statd/sm.  When starting, it iterates through these files  and  notifies  the
       peer rpc.statd on those machines.

OPTIONS
       -F     By  default, rpc.statd forks and puts itself in the background when started. The -F
	      argument tells it to remain in the foreground. This option is mainly for	debugging
	      purposes.

       -d     By  default,  rpc.statd sends logging messages via syslog(3) to system log.  The -d
	      argument forces it to log verbose output to stderr instead. This option  is  mainly
	      for debugging purposes, and may only be used in conjunction with the -F parameter.

       -n, --name name
	      specify  a  name	for rpc.statd to use as the local hostname. By default, rpc.statd
	      will call gethostname(2) to get the local hostname. Specifying a local hostname may
	      be useful for machines with more than one interfaces.

       -o, --outgoing-port port
	      specify  a  port	for rpc.statd to send outgoing status requests from.  By default,
	      rpc.statd will ask portmap(8) to assign it a port  number.   As  of  this  writing,
	      there is not a standard port number that portmap always or usually assigns.  Speci-
	      fying a port may be useful when implementing a firewall.

       -p, --port port
	      specify a port for  rpc.statd  to  listen  on.   By  default,  rpc.statd	will  ask
	      portmap(8) to assign it a port number.  As of this writing, there is not a standard
	      port number that portmap always or usually assigns.  Specifying a port may be  use-
	      ful when implementing a firewall.

       -?     Causes rpc.statd to print out command-line help and exit.

       -V     Causes rpc.statd to print out version information and exit.

TCP_WRAPPERS SUPPORT
       This  rpc.statd	version  is  protected	by  the tcp_wrapper library. You have to give the
       clients access to rpc.statd if they should be allowed to use it. To  allow  connects  from
       clients of the .bar.com domain you could use the following line in /etc/hosts.allow:

       statd: .bar.com

       You  have  to use the daemon name statd for the daemon name (even if the binary has a dif-
       ferent name).

       For further information please have a look  at  the  tcpd(8)  and  hosts_access(5)  manual
       pages.

FILES
       /var/lib/nfs/statd/sm/state
       /var/lib/nfs/statd/sm/*
       /var/lib/nfs/statd/sm.bak/*

SEE ALSO
       rpc.nfsd(8), portmap(8)

AUTHORS
       Jeff Uphoff <juphoff@transmeta.com>
       Olaf Kirch <okir@monad.swb.de>
       H.J. Lu <hjl@gnu.org>
       Lon Hohberger <hohberger@missioncriticallinux.com>

					   08 Mar 2001				     rpc.statd(8)


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