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 April 3, 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 p Ar port 47.Sh DESCRIPTION 48The 49.Nm 50utility provides monitored and unmonitored file and record locking services 51in an NFS environment. 52To monitor the status of hosts requesting locks, 53the locking daemon typically operates in conjunction 54with 55.Xr rpc.statd 8 . 56.Pp 57Options and operands available for 58.Nm : 59.Bl -tag -width indent 60.It Fl d 61The 62.Fl d 63option causes debugging information to be written to syslog, recording 64all RPC transactions to the daemon. 65These messages are logged with level 66.Dv LOG_DEBUG 67and facility 68.Dv LOG_DAEMON . 69Specifying a 70.Ar debug_level 71of 1 results 72in the generation of one log line per protocol operation. 73Higher 74debug levels can be specified, causing display of operation arguments 75and internal operations of the daemon. 76.It Fl g 77The 78.Fl g 79option allow to specify the 80.Ar grace period , 81in seconds. 82During the grace period 83.Nm 84only accepts requests from hosts which are reinitialising locks which 85existed before the server restart. 86Default is 30 seconds. 87.It Fl p 88The 89.Fl p 90option allow to force the daemon to bind to the specified 91.Ar port , 92for both AF_INET and AF_INET6 address families. 93.El 94.Pp 95Error conditions are logged to syslog, irrespective of the debug level, 96using log level 97.Dv LOG_ERR 98and facility 99.Dv LOG_DAEMON . 100.Pp 101The 102.Nm 103utility must NOT be invoked by 104.Xr inetd 8 105because the protocol assumes that the daemon will run from system start time. 106Instead, it should be configured in 107.Xr rc.conf 5 108to run at system startup. 109.Sh FILES 110.Bl -tag -width /usr/include/rpcsvc/nlm_prot.x -compact 111.It Pa /usr/include/rpcsvc/nlm_prot.x 112RPC protocol specification for the network lock manager protocol. 113.El 114.Sh SEE ALSO 115.Xr syslog 3 , 116.Xr rc.conf 5 , 117.Xr rpc.statd 8 118.Sh STANDARDS 119The implementation is based on the specification in 120.Rs 121.%B "X/Open CAE Specification C218" 122.%T "Protocols for X/Open PC Interworking: XNFS, Issue 4" 123.%O ISBN 1 872630 66 9 124.Re 125.Sh HISTORY 126A version of 127.Nm 128appeared in 129.Tn SunOS 1304. 131.Sh BUGS 132The current implementation serialises locks requests that could be shared. 133