CentOS下(rsync+inotify)监听式实现服务器间的备份实时同步

yum install rsync

[root@bogon rsyncd]# wget  http://rsync.samba.org/ftp/rsync/src/rsync-3.0.9.tar.gz  
[root@bogon rsyncd]# tar zxvf rsync-3.0.9.tar.gz  
[root@bogon rsyncd]# cd rsync-3.0.9  
[root@bogon rsyncd]# ./configure --prefix=/etc/rsyncd/rsync  #可自定义
[root@bogon rsyncd]# make  
[root@bogon rsyncd]# make install  

mkdir /etc/rsyncd
touch /etc/rsyncd/rsyncd.conf #创建 rsyncd.conf，这是 rsync 服务器的配置文件
ln -s /etc/rsyncd/rsyncd.conf /etc/rsyncd.conf #创建软链接

# /etc/rsyncd: configuration file for rsync daemon mode
# See rsyncd.conf man page for more options.
# configuration example:

# uid = nobody
# gid = nobody
# use chroot = yes
# max connections = 4
# pid file = /var/run/rsyncd.pid
# exclude = lost+found/
# transfer logging = yes
# timeout = 900
# ignore nonreadable = yes
# dont compress   = *.gz *.tgz *.zip *.z *.Z *.rpm *.deb *.bz2

# [ftp]
#        path = /home/ftp
#        comment = ftp export area


uid = root
gid = root
use chroot = no
max connections = 10
strict modes = yes
hosts allow = 192.168.1.161               #可以空格，允许多个
port = 873                  #默认开启端口
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
log file = /var/log/rsyncd.log



[inotify]                    
#认证模块名

path = /server/ftpInotify/   
#监控目录

comment = Hello My Dear!      
#此为注释信息，便于识别，可自定义

ignore errors
read only = no
write only = no

hosts allow = 192.168.1.161   
#此为数据服务器（client）IP地址

hosts deny = *
list = false
uid = root
gid = root
auth users = root             
#赋予权限的用户，此处我用的是root用户

secrets file = /etc/rsyncd/rsync.password 
#密码文件

exclude = /rs1/
#指定不同步的目录，以空格分割 最前面的斜杠表示当前的‘path = /server/ftpInotify/’根目录，如果不加则表示所有的同名子目录

[root@bogon rsyncd]# echo "root:root123"> /etc/rsyncd/rsync.password 

[root@bogon rsyncd]# chmod 600 /etc/rsyncd/rsync.password 

rsync --daemon 

 killall rsync
 rsync --daemon 
 lsof -i :873 #可查看是否已启动

echo "root123" >/etc/rsyncd/rsync.password   
#其中 `root123` 可以自己设置密码，rsync.password 名字也可以自己设置

[root@bogon rsyncd]# chmod 600 rsync.password 

[root@bogon etc]# ll /proc/sys/fs/inotify/
总用量 0
-rw-r--r--. 1 root root 0 12月  5 20:12 max_queued_events
-rw-r--r--. 1 root root 0 12月  5 20:12 max_user_instances
-rw-r--r--. 1 root root 0 12月  5 20:12 max_user_watches

[root@bogon rsyncd]# wget http://cloud.github.com/downloads/rvoicilas/inotify-tools/inotify-tools-3.14.tar.gz  
[root@bogon rsyncd]# tar zxvf inotify-tools-3.14.tar.gz  
[root@bogon rsyncd]# cd inotify-tools-3.14  
[root@bogon inotify-tools-3.14]# ./configure --prefix=/usr/local/inotify  
[root@bogon inotify-tools-3.14]# make  
[root@bogon inotify-tools-3.14]# make install 

#!/bin/bash
host=192.168.1.150    #server的ip(备份服务器)
src=/server/ftpInotify/  #所要监控的备份目录（此处可以自定义，但是要保证存在）
des=inotify   #自定义的模块名，需要与client端定义的一致
password=/etc/rsyncd/rsync.password  #密码文件
user=root    #用户名（一个实际存在的账号）
inotify=/usr/local/inotify    #inotify的安装目录                

${inotify}/bin/inotifywait -mrq --timefmt '%d/%m/%y %H:%M' --format '%T %w%f%e' -e modify,delete,create,attrib $src \
| while read files
do
rsync -avzP --delete  --timeout=100 --password-file=${password} $src $user@$host::$des
echo "${files} was rsynced" >>/tmp/rsync.log 2>&1
done

[root@bogon server]# chmod 764 inotify.sh 

[root@bogon server]# sh inotify.sh &
[1] 1925

echo "setsid /server/inotify.sh &" >> /etc/rc.local

- server
    -ftpInotify
        -rs1
            RE.log
        -rs2
            -rs1
                RE.txt
            re.log

exclude = /rs1/
#指定不同步的目录，以空格分割 最前面的斜杠表示当前的‘path = /server/ftpInotify/’根目录，如果不加则表示所有的同名子目录

rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1039) [sender=3.0.6]
sending incremental file list
ERROR: daemon refused to receive directory "rs1"
*** Skipping any contents from this failed directory ***

 rsync -avzP --delete --exclude=Public/ --exclude=Application/Runtime/  --timeout=100         --password-file=${password} $src $user@$host::$des