#
#sersync 下载地址
#rsync CentOS系统包里面有
#rsync 详解
#sersync 详解
#逻辑图
| 主机名 | IP地址 |
| Storage_1 目标服务器 | 192.168.174.137 |
| Storage_2 源服务器 | 192.168.174.138 |
#均关闭防火墙和selinux
#目标服务器rsync 作为守护进程 ， 源服务器rsync 作为客户端
#rsync支持推送和拉取
#sersync 实时监控目录
#目标服务器，源服务器 安装rsync
[[email protected]_1 ~]# yum install -y rsync
[[email protected]_2 ~]# yum install -y rsync
#目标服务器上操作
#修改目标服务器rsync的配置文件
[[email protected]_1 ~]# vim /etc/rsyncd.conf
[[email protected]_1 ~]# cat /etc/rsyncd.conf | grep -v "#" | grep -v "^$"
uid = root
gid = root
use chroot = yes
max connections = 200
pid file = /var/run/rsyncd.pid
log file = /var/log/rsyncd.log
secrets file = /etc/rsyncd.passwd
timeout = 900
dont compress = *.gz *.tgz *.zip *.z *.Z *.rpm *.deb *.bz2
[ftp]
path = /opt
comment = ftp export area
auth users = rsync
ignore errors
list no
hosts allow = 192.168.174.0/24
read only = no
#rsync 也支持匿名用户 只需注释 secrets file = /etc/rsyncd.passwd auth users = rsync
#创建认证文件 rsync为配置文件中的 auth users的值
[[email protected]_1 ~]# echo "rsync:123456" /etc/rsyncd.passwd
#修改配置文件的权限
[[email protected]_1 ~]# chmod 600 /etc/rsyncd.passwd
#开启服务
[[email protected]_1 ~]# rsync --daemon --config=/etc/rsyncd.conf
#源服务器上操作
#创建认证文件
[[email protected]_2 ~]# echo "123465" > /etc/rsyncd.passwd
#修改权限
[[email protected]_2 ~]# chmod 600 /etc/rsyncd.passwd
#同步测试
[[email protected]_2 ~]# echo "hello" >> /opt/test.txt
[[email protected]_2 ~]# cd /opt/
[[email protected]_2 ~]# rsync -artuz -R --delete ./ [email protected]::ftp --password-file=/etc/rsyncd.passwd
#查看结果
[[email protected]_1 ~]# cd /opt/
[[email protected]_1 opt]# ls
test.txt
[[email protected]_1 opt]# cat test.txt
hello
#同步成功！
#安装sersync
[[email protected]_2 ~]# wget https://raw.githubusercontent.com/orangle/sersync/master/release/sersync2.5.4_64bit_binary_stable_final.tar.gz
[[email protected]_2 ~]# tar -xf sersync2.5.4_64bit_binary_stable_final.tar.gz
[[email protected]_2 ~]# mkdir -p /usr/local/sersync/{bin,conf}
[[email protected]_2 ~]# cd GNU-Linux-x86/
[[email protected]_2 GNU-Linux-x86]# ls
confxml.xml sersync2
[[email protected]_2 GNU-Linux-x86]# cp confxml.xml /usr/local/sersync/conf/
[[email protected]_2 GNU-Linux-x86]# cp sersync2 /usr/local/sersync/conf/
[[email protected]_2 GNU-Linux-x86]# cd /usr/local/sersync/
#修改sersync配置文件
[[email protected]_2 sersync]# vim conf/confxml.xml
[[email protected]_2 sersync]# cat conf/confxml.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<head version="2.5">
<host hostip="localhost" port="8008"></host>
<debug start="false"/>
<fileSystem xfs="false"/>
<filter start="false">
<exclude expression="(.*)\.svn"></exclude>
<exclude expression="(.*)\.gz"></exclude>
<exclude expression="^info/*"></exclude>
<exclude expression="^static/*"></exclude>
</filter>
<inotify>
<delete start="true"/>
<createFolder start="true"/>
<createFile start="false"/>
<closeWrite start="true"/>
<moveFrom start="true"/>
<moveTo start="true"/>
<attrib start="false"/>
<modify start="false"/>
</inotify>
<sersync>
<localpath watch="/opt/">
<remote ip="192.168.174.137" name="ftp"/>
<!--<remote ip="192.168.8.39" name="tongbu"/>-->
<!--<remote ip="192.168.8.40" name="tongbu"/>-->
</localpath>
<rsync>
<commonParams params="-artuz"/>
<auth start="true" users="rsync" passwordfile="/etc/rsyncd.passwd"/>
<userDefinedPort start="false" port="874"/><!-- port=874 -->
<timeout start="false" time="100"/><!-- timeout=100 -->
<ssh start="false"/>
</rsync>
<failLog path="/var/run/rsync_fail_log.sh" timeToExecute="60"/><!--default every 60mins execute once-->
<crontab start="false" schedule="600"><!--600mins-->
<crontabfilter start="false">
<exclude expression="*.php"></exclude>
<exclude expression="info/*"></exclude>
</crontabfilter>
</crontab>
<plugin start="false" name="command"/>
</sersync>
<plugin name="command">
<param prefix="/bin/sh" suffix="" ignoreError="true"/><!--prefix /opt/tongbu/mmm.sh suffix-->
<filter start="false">
<include expression="(.*)\.php"/>
<include expression="(.*)\.sh"/>
</filter>
</plugin>
<plugin name="socket">
<localpath watch="/opt/tongbu">
<deshost ip="192.168.138.20" port="8009"/>
</localpath>
</plugin>
<plugin name="refreshCDN">
<localpath watch="/data0/htdocs/cms.xoyo.com/site/">
<cdninfo domainname="ccms.chinacache.com" port="80" username="xxxx" passwd="xxxx"/>
<sendurl base="http://pic.xoyo.com/cms"/>
<regexurl regex="false" match="cms.xoyo.com/site([/a-zA-Z0-9]*).xoyo.com/images"/>
</localpath>
</plugin>
</head>
#具体含义请参考 http://www.linuxidc.com/Linux/2012-02/53572.htm
#设置环境变量
[[email protected]_2 sersync]# echo "export PATH=$PATH:/usr/local/sersync/bin/" >> /etc/profile
[[email protected]_2 sersync]# source /etc/profile
#开启服务
[[email protected]_2 sersync]# sersync2 -r -d -o /usr/local/sersync/conf/confxml.xml
set the system param
execute：echo 50000000 > /proc/sys/fs/inotify/max_user_watches
execute：echo 327679 > /proc/sys/fs/inotify/max_queued_events
parse the command param
option: -r rsync all the local files to the remote servers before the sersync work
option: -d run as a daemon
option: -o config xml name： /usr/local/sersync/conf/confxml.xml
daemon thread num: 10
parse xml config file
host ip : localhosthost port: 8008
daemon start，sersync run behind the console
use rsync password-file :
user isrsync
passwordfile is /etc/rsyncd.passwd
config xml parse success
please set /etc/rsyncd.conf max connections=0 Manually
sersync working thread 12 = 1(primary thread) + 1(fail retry thread) + 10(daemon sub threads)
Max threads numbers is: 22 = 12(Thread pool nums) + 10(Sub threads)
please according your cpu ，use -n param to adjust the cpu rate
------------------------------------------
rsync the directory recursivly to the remote servers once
working please wait...
execute command: cd /opt && rsync -artuz -R --delete ./ [email protected]::ftp --password-file=/etc/rsyncd.passwd >/dev/null 2>&1
run the sersync:
watch path is: /opt
#从上面的信息可以看出 sersync 是要调用rsync 的
#测试
[[email protected]_2 ~]# echo "123456" > /opt/test2.txt
#观察
[[email protected]_1 opt]# ls
test2.txt test.txt
[[email protected]_1 opt]# cat test2.txt
123456
#排错
错误一：
@ERROR: auth failed on module xxxxx
rsync: connection unexpectedly closed(90 bytes read so far)
rsync error: error in rsync protocoldata stream (code 12) at io.c(150)
说明：这是因为密码设置错了，无法登入成功，检查一下rsyncd.passwd，看客服是否匹配。还有服务器端没启动rsync 服务也会出现这种情况。
错误二：
password file must not beother-accessible
continuing without password file
Password:
说明：这是因为rsyncd.passwd的权限不对，应该设置为600。如：chmod600 rsyncd.passwd
错误三：
@ERROR: chroot failed
rsync: connection unexpectedly closed(75 bytes read so far)
rsync error: error in rsync protocoldata stream (code 12) at io.c(150)
说明：这是因为你在 rsyncd.conf中设置的 path 路径不存在，要新建目录才能开启同步
错误四：
rsync: failed to connect to218.107.243.2: No route to host (113)
rsync error: error in socket IO (code10) at clientserver.c(104) [receiver=2.6.9]
说明：防火墙问题导致，这个最好先彻底关闭防火墙，排错的基本法就是这样，无论是S还是C，还有ignore errors选项问题也会导致
错误五：
@ERROR: access denied to www fromunknown (192.168.1.123)
rsync: connection unexpectedly closed(0 bytes received so far) [receiver]
rsync error: error in rsync protocoldata stream (code 12) at io.c(359)
说明：此问题很明显，是配置选项host allow的问题，初学者喜欢一个允许段做成一个配置，然后模块又是同一个，致使导致
错误六：
rsync error: received SIGINT,SIGTERM, or SIGHUP (code 20) at rsync.c(244) [generator=2.6.9]
rsync error: received SIGUSR1 (code19) at main.c(1182) [receiver=2.6.9]
说明：导致此问题多半是服务端服务没有被正常启动，到服务器上去查查服务是否有启动，然后查看下 /var/run/rsyncd.pid 文件是否存在，最干脆的方法是杀死已经启动了服务，然后再次启动服务或者让脚本加入系统启动服务级别然后shutdown -r now服务器
错误七：
rsync: read error: Connection resetby peer (104)
rsync error: error in rsync protocoldata stream (code 12) at io.c(604) [sender=2.6.9]
说明：原数据目录里没有数据存在
#rsync 命令参数
rsync的命令格式：
rsync [OPTION]... SRC [SRC]... [[email protected]]HOST:DEST
rsync [OPTION]... [[email protected]]HOST:SRC DEST
rsync [OPTION]... SRC [SRC]... DEST
rsync [OPTION]... [[email protected]]HOST::SRC [DEST]
rsync [OPTION]... SRC [SRC]... [[email protected]]HOST::DEST
rsync [OPTION]... rsync://[[email protected]]HOST[:PORT]/SRC [DES
常用选项：
-v, --verbose 详细模式输出
-q, --quiet 精简输出模式
-z，在传输时对备份文件进行压缩处理
-c, --checksum 打开校验开关，强制对文件传输进行校验
-a, --archive 归档模式，表示以递归方式传输文件，并保持所有文件属性，等于-rlptgoD
-r, --recursive 对子目录以递归模式处理
-R, --relative 使用相对路径信息
-l, --links 保留软链结
-H, --hard-links 保留硬链结
-p, --perms 保持文件权限
-o, --owner 保持文件属主信息
-g, --group 保持文件属组信息
-D, --devices 保持设备文件信息
-t, --times 保持文件时间信息
#参考：http://www.linuxidc.com/Linux/2012-07/64738.htm
#参考：http://daguanren.blog.51cto.com/9097475/1856461