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OpenDarwin 7.2.1 - man page for rpc.lockd (opendarwin section 8)

RPC.LOCKD(8)			   BSD System Manager's Manual			     RPC.LOCKD(8)

     rpc.lockd -- NFS file locking daemon

     rpc.lockd [-d debug_level] [-g grace period]

     The rpc.lockd utility provides monitored and unmonitored file and record locking services in
     an NFS environment.  To monitor the status of hosts requesting locks, the locking daemon
     typically operates in conjunction with rpc.statd(8).

     Options and operands available for rpc.lockd:

     -d      The -d option causes debugging information to be written to syslog, recording all
	     RPC transactions to the daemon.  These messages are logged with level LOG_DEBUG and
	     facility LOG_DAEMON.  Specifying a debug_level of 1 results in the generation of one
	     log line per protocol operation.  Higher debug levels can be specified, causing dis-
	     play of operation arguments and internal operations of the daemon.

     -g      The -g option allow to specify the grace period, in seconds.  During the grace
	     period rpc.lockd only accepts requests from hosts which are reinitialising locks
	     which existed before the server restart.  Default is 30 seconds.

     -w      The -w option tells rpc.lockd to wait until the first client locking request is made
	     before starting the locking daemon(s).  This may be used on NFS clients to defer
	     starting the NFS locking daemons until it is known that they will be needed.  (Note:
	     rpc.statd(8) will also be started if it isn't already running)

     Error conditions are logged to syslog, irrespective of the debug level, using log level
     LOG_ERR and facility LOG_DAEMON.

     The rpc.lockd utility must NOT be invoked by inetd(8) because the protocol assumes that the
     daemon will run from system start time.  Instead, it should be configured in rc.conf(5) to
     run at system startup.

     /usr/include/rpcsvc/nlm_prot.x  RPC protocol specification for the network lock manager pro-

     syslog(3), rc.conf(5), rpc.statd(8)

     The current implementation serialises locks requests that could be shared.

     The implementation is based on the specification in "Protocols for X/Open PC Interworking:
     XNFS, Issue 4", X/Open CAE Specification C218, ISBN 1 872630 66 9.

     A version of rpc.lockd appeared in SunOS 4.

BSD					September 24, 1995				      BSD

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