/usr/sbin/clunfslock is in rgmanager 3.1.7-0ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | #!/bin/bash
#
# rpc.statd -H $0 to enable.  This provides the HA-callout capability
# for RHCS-managed NFS services.  Note that you must edit
# /etc/sysconfig/nfs in order to make this work; clumanager/rgmanager
# will not interfere with a running nfs statd.
#
# Arg 3 (server as known to client) does not work; it's always 127.0.0.1
# so we traverse all cluster mount points.
#
clustered_mounts()
{
	declare dev mp
	while read dev mp; do
		if [ "${dev:0:4}" != "/dev" ]; then
			continue
		fi
		# XXX Need clumanager to create this on mount
		if [ -d "$mp/.clumanager" ]; then
			echo $dev $mp
		fi
	done < <(cat /proc/mounts | awk '{print $1,$2}')
}
add-client()
{
	declare dev mp
	while read dev mp; do
		[ -d "$mp/.clumanager/statd/sm" ] || \
			mkdir -p $mp/.clumanager/statd/sm
		touch $mp/.clumanager/statd/sm/$1
	done < <(clustered_mounts)
}
del-client()
{
	while read $dev $mp; do
		[ -d "$mp/.clumanager/statd/sm" ] || \
			mkdir -p $mp/.clumanager/statd/sm
		rm -f $mp/.clumanager/statd/sm/$1
	done < <(clustered_mounts)
}
case "$1" in
	add-client)
		:
		;;
	del-client)
		:
		;;
	*)
		echo "Usage: $0 <add-client|del-client> <host> [server]"
		exit 0
esac
if [ -z "$2" ]; then
	echo "Usage: $0 <add-client|del-client> <host> [server]"
	exit 1
fi
$1 $2 $3
exit 0
 |