1.\" $NetBSD: rpc.lockd.8,v 1.5 2000/06/09 18:51:47 cgd Exp $ 2.\" 3.\" Copyright (c) 1995 A.R.Gordon, andrew.gordon@net-tel.co.uk 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" $FreeBSD$ 35.\" 36.Dd November 2, 2007 37.Dt RPC.LOCKD 8 38.Os 39.Sh NAME 40.Nm rpc.lockd 41.Nd NFS file locking daemon 42.Sh SYNOPSIS 43.Nm 44.Op Fl d Ar debug_level 45.Op Fl g Ar grace period 46.Op Fl h Ar bindip 47.Op Fl p Ar port 48.Sh DESCRIPTION 49The 50.Nm 51utility provides monitored and unmonitored file and record locking services 52in an NFS environment. 53To monitor the status of hosts requesting locks, 54the locking daemon typically operates in conjunction 55with 56.Xr rpc.statd 8 . 57.Pp 58Options and operands available for 59.Nm : 60.Bl -tag -width indent 61.It Fl d 62The 63.Fl d 64option causes debugging information to be written to syslog, recording 65all RPC transactions to the daemon. 66These messages are logged with level 67.Dv LOG_DEBUG 68and facility 69.Dv LOG_DAEMON . 70Specifying a 71.Ar debug_level 72of 1 results 73in the generation of one log line per protocol operation. 74Higher 75debug levels can be specified, causing display of operation arguments 76and internal operations of the daemon. 77.It Fl g 78The 79.Fl g 80option allow to specify the 81.Ar grace period , 82in seconds. 83During the grace period 84.Nm 85only accepts requests from hosts which are reinitialising locks which 86existed before the server restart. 87Default is 30 seconds. 88.It Fl h Ar bindip 89Specify specific IP addresses to bind to. 90This option may be specified multiple times. 91If no 92.Fl h 93option is specified, 94.Nm 95will bind to 96.Dv INADDR_ANY . 97Note that when specifying IP addresses with 98.Fl h , 99.Nm 100will automatically add 101.Li 127.0.0.1 102and if IPv6 is enabled, 103.Li ::1 104to the list. 105.It Fl p 106The 107.Fl p 108option allow to force the daemon to bind to the specified 109.Ar port , 110for both AF_INET and AF_INET6 address families. 111.El 112.Pp 113Error conditions are logged to syslog, irrespective of the debug level, 114using log level 115.Dv LOG_ERR 116and facility 117.Dv LOG_DAEMON . 118.Pp 119The 120.Nm 121utility must NOT be invoked by 122.Xr inetd 8 123because the protocol assumes that the daemon will run from system start time. 124Instead, it should be configured in 125.Xr rc.conf 5 126to run at system startup. 127.Sh FILES 128.Bl -tag -width /usr/include/rpcsvc/nlm_prot.x -compact 129.It Pa /usr/include/rpcsvc/nlm_prot.x 130RPC protocol specification for the network lock manager protocol. 131.El 132.Sh SEE ALSO 133.Xr syslog 3 , 134.Xr rc.conf 5 , 135.Xr rpc.statd 8 136.Sh STANDARDS 137The implementation is based on the specification in 138.Rs 139.%B "X/Open CAE Specification C218" 140.%T "Protocols for X/Open PC Interworking: XNFS, Issue 4" 141.%O ISBN 1 872630 66 9 142.Re 143.Sh HISTORY 144A version of 145.Nm 146appeared in 147.Tn SunOS 1484. 149.Sh BUGS 150The current implementation serialises locks requests that could be shared. 151