Linux 通过Rsync+Inotify实现本、异地远程数据实时同步功能

   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