sys-cluster/drbd/files/drbd-0.7-init


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#!/sbin/runscript
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /var/cvsroot/gentoo-x86/sys-cluster/drbd/files/drbd-0.7-init,v 1.3 2005/03/01 12:11:40 xmerlin Exp $

opts="${opts} reload"

DRBDADM="/sbin/drbdadm"
PROC_DRBD="/proc/drbd"
MODPROBE="modprobe"
RMMOD="rmmod"
ADD_MOD_PARAM=""

depend() {
	use logger
	before heartbeat
	after sshd
	need net
}

create_devices() {
	local RESOURCES RESOURCE DEVICE

	# create dev if needed
	RESOURCES=`$DRBDADM sh-resources`
	#RESOURCES=${RESOURCE%%\ *}

	for RESOURCE in $RESOURCES; do
		DEVICE=`$DRBDADM sh-dev $RESOURCE`
		if [ ! -f ${DEVICE} ]; then
			mknod $DEVICE b 147 ${RESOURCE/drbd/}
		fi
	done
}

load_module() {
	if [ ! -f $PROC_DRBD ]; then
		${MODPROBE} -s drbd `$DRBDADM sh-mod-parms` $ADD_MOD_PARAM &> /dev/null
	fi
}

start() {
	ebegin "Starting DRBD"

	load_module
	create_devices

	${DRBDADM} up all
	eend $ret
}

stop() {
	ebegin "Stopping DRBD"

	# Check for mounted drbd devices	
	if ! grep -q '^/dev/drbd' /proc/mounts &>/dev/null; then
		if [ -f $PROC_DRBD ]; then
			${DRBDADM} down all
		fi
		eend $?
	else
		einfo "drbd devices mounted, please umount them before trying to stop drbd!!!"
		eend 1
	fi
}

status() {
	# NEEDS to be heartbeat friendly...
	# so: put some "OK" in the output.
	ebegin "Status of DRBD"
	if [ -e $PROC_DRBD ]; then
	    echo "drbd driver OK; device status:"
	    cat "$PROC_DRBD"
	    eend 0
	else
	    echo >&2 "drbd not loaded"
	    eend 3
	fi
}

reload() {
	ebegin "Reloading DRBD"
	${DRBDADM} adjust all
	eend $?
}