cd inotify-tools-3.13
 ./configure
 make
 make install     
 
 /usr/local/bin/inotifywait ##检查是否安装成功

useradd -u 600 zytest 
 passwd zytest    
 zytest
 su - zytest -c 'mkdir /home/zytest/files' ##创建同步目录

disable	 = yes  ==> disable	= no
flags		 = IPv6  ==> flags		= IPv4
server_args = --daemon ==> server_args = --daemon --config=/etc/rsyncd.conf

uid = root
gid = root
use chroot = no
max connections = 1000
strict mode = yes
port = 873
pid file = /var/run/rsyncd.pid 
lock file = /var/run/rsyncd.lock 
log file = /var/log/rsyncd.log
# following for user "zytest", change for other users
[zytest]
path = /home/zytest
ignore errors
auth users =zytest
secrets file = /home/rsync-dst.ps
read only = no
list = false

echo zytest:zytest  /home/rsync-dst.ps
chmod 600 /home/rsync-dst.ps 

 /etc/rc.d/init.d/xinetd restart

#!/bin/sh
#chkconfig: 3 78 10

#This file exist from compile
if [ ! -f /usr/local/bin/inotifywait ]
then
 echo "cannot start. file inotifywait NOT exist!"
 exit
fi

#This file is runnable shell script
if [ ! -f /usr/local/bin/inosync.so.1 ]
then
 echo "contact administrator. inosync.so.1 NOT exist!"
 exit
fi

case "$1" in
 'start')
 /usr/local/bin/inosync.so.1 &
;;

'stop')
 pid=`ps -ef | grep -v grep | grep "inotifywait" | awk '{print $2}'`
 kill -9 $pid 2>&1
;;

'restart')
 $0 stop
 $0 start
;;

esac

chmod a+x /root/inosync
 cp /root/inosync /etc/rc.d/init.d

rhost=**备份服务器IP**
user=zytest
src=/home/zytest/files
dst=zytest
#dst corresponding to [zytest] in file /etc/rsyncd.conf on dst server
log=/root/inosync.log
/usr/local/bin/inotifywait -mrq --timefmt '%d/%m/%y %H:%M:%S' --format '%T %w%f %e' -e close_write,create,move,delete,attrib $src | while read files
 do
 echo == rsync begin ==  $log
 rsync -avP --password-file=/home/rsync-src.ps --delete $src $user@$rhost::$dst  $log 2>&1
 echo -- rsyncd --  $log
 date  $log
 echo "${files} was rsynced "  $log 2>&1
 done

chmod a+x /root/inosync.so.1
cp /root/inosync.so.1 /usr/local/bin

echo zytest  /home/rsync-src.ps
 chmod 600 /home/rsync-src.ps

chkconfig --level 3 inosync on
/etc/rc.d/init.d/inosync start

tail -f /root/inosync.log