#!/bin/bash## Start the noflush daemon to spin down idle disks.## Written by Daniel Kobras <kobras@linux.de># $Id: noflushd.templ,v 1.6 2004/07/19 10:00:32 nold Exp $## The next lines define runlevels and priorities to start this# skript. Syntax is <runlevels_to_start> <start_priority> <stop_priotity>.## chkconfig: 2345 80 10# description: 	Start and stop the noflush daemon to handle spindown \#		of idle disks.#### BEGIN INIT INFO# Provides: noflushd# Required-Start: $remote_fs# Required-Stop:# Default-Start: 2 3 4 5# Default-Stop: 0 1 6### END INIT INFO# Note: Edit TIMEOUT below to change the default timeout. If present, # variable NOFLUSHD_TIMEOUT in /etc/rc.config will override this value.# However, highest priority is given to an environment variable TIMEOUT.# Example (assuming bash, skript in /etc/init.d/): ## # TIMEOUT=60 /etc/init.d/noflushd restart## to restart the daemon with 1 hour of idle timeout, overriding defaults.# XXX: In earlier versions, the timeout values were given in seconds.#      Now we use minutes instead. Don't get confused!# One IDE hard disk present:DISKS="/dev/hda"DEFAULT_TIMEOUT=60	# default timeout in minutes (EDIT THIS!)if [ -f /etc/rc.config ]; then	. /etc/rc.config	if [ "$START_NOFLUSHD" ]; then		[ "$START_NOFLUSHD" = "yes" ] || exit 0	fi		if [ ! "$TIMEOUT" ]; then		[ "$NOFLUSHD_TIMEOUT" ] && TIMEOUT="$NOFLUSHD_TIMEOUT"	fi	[ "$NOFLUSHD_DISKS" ] && DISKS="$NOFLUSHD_DISKS"elif [ -f /etc/sysconfig/noflushd ]; then	# No namespace problems here. TIMEOUT and DISKS can be set	# verbatim.	. /etc/sysconfig/noflushdfi[ ! "$TIMEOUT" ] && TIMEOUT=$DEFAULT_TIMEOUTDAEMON=+sbindir+/noflushd	# +sbindir+ gets rewritten at make time.PIDFILE=/var/run/noflushd.pidOPTIONS="-v -n $TIMEOUT $DISKS"check_pidfile() {	test -r "$PIDFILE" || return 0	return $(cat $PIDFILE)}find_pid_by_name() {	NAME="$1"	for i in /proc/[1-9]*; do		# Use cat instead of shell redir because /proc/<pid> might		# have vanished before we had a chance to open an fd on		# status. The cat variant fails gracefully in this case.		cat "$i/status" 2> /dev/null | while read TAG VALUE; do                	test "$TAG" = "Name:" || continue                     	test "$VALUE" != "$NAME" || return "$(basename $i)"			break		done || return $?	done	return 0}start_debian() {	/sbin/start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- $OPTIONS}stop_debian() {	/sbin/start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON}start_lsb() {	startproc $DAEMON $OPTIONS}stop_lsb() {	killproc -TERM $DAEMON	rm -f $PIDFILE}start_redhat() {	daemon $DAEMON $OPTIONS}stop_redhat() {	killproc $DAEMON}start_generic() {	if ! check_pidfile || ! find_pid_by_name $(basename $DAEMON); then		echo "Warning! Another noflushd appears to be already running. Starting anyway."	fi	$DAEMON $OPTIONS 2>&1 >/dev/null}stop_generic() {	check_pidfile || { kill $?; return; }	find_pid_by_name $(basename $DAEMON) || kill $?}activate_kupdate() {	find_pid_by_name kupdate || kill -CONT $?	find_pid_by_name kupdated || kill -CONT $?}test -x $DAEMON || exit 0found=0for name in pdflush kupdate kupdated; do	find_pid_by_name "$name" || { found=1; break; }doneif [ "$found" -eq 0 ]; then		echo "No kupdate[d]/pdflush found. Run bdflush-1.6 for sleep support."		exit 0fiset -e METHOD=generic[ -x /sbin/start-stop-daemon ] && METHOD=debian[ -x /sbin/startproc ] && METHOD=lsbif [ -f /etc/rc.d/init.d/functions ]; then	. /etc/rc.d/init.d/functions && METHOD=redhatficase "$1" in	start)		echo "Starting idle disk daemon with default timeout $TIMEOUT..."		start_$METHOD && echo "Done."		;;	stop)		echo -n "Stopping idle disk daemon"		stop_$METHOD && echo "."		activate_kupdate	# Paranoia.		;;	restart)		echo -n "Stopping idle disk daemon"		stop_$METHOD && echo "."		activate_kupdate	# Paranoia.		sleep 1		echo "Starting idle disk daemon with default timeout $TIMEOUT..."		start_$METHOD && echo "Done."		;;		*)		echo "Usage: $(basename $0) {start|stop|restart}"		exit 1esacexit 0