rsync+inotify同步备份MYSQL数据

rsync

原文链接：https://blog.csdn.net/hkyw000/article/details/51508204

备份源10.16.77.93
备份端10.16.77.95

原理：利用inotify监控mysql数据库数据目录：/usr/local/mysql/data

一．备份端服务的配置

1）确认rsync是否安装，大多数linux发行版默认安装rsync

rpm -q rsync

2)手动创建rsync的配置文件：/etc/rsyncd.conf

uid=root
gid=root
use chroot = no
max connections = 10
strict modes = yes
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsyncd.lock
log file = /var/log/rsyncd.log
[mysqldata]
path = /data/mysqldata
comment = mysql data
ignore errors 
read only = no
write only = no
hosts allow = 10.16.77.93
list = false
auth users = rsync_user
secrets file = /etc/rsync.password

3)建立rsync用户名和密码文件，并为/etc/rsync.password授权为600

echo "rsync_user:rsync_user_pwd" > /etc/rsync.password
chmod -R 600 /etc/rsync.password

4)启动rsync服务

rsync --daemon

至此备份端服务配置完成

二．备份源配置

1)设置rsync客户端密码文件，将密码文件的权限设置成600
客户端只需要设置rsync同步密码即可，不用重设用户名

echo "rsync_user_pwd" > /etc/rsync.password
chmod -R 600 /etc/rsync.password

2)安装inotify

yum install inotify-tools -y

3)编写运行监控脚本。为了保证/usr/local/mysql/data目录自动同步，安装完成inotify后，写一个inotify脚本。

#!/bin/bash
ip=10.16.77.95
src=/data/mysqldata_src/
dst=mysqldata
user=rsync_user
/usr/local/bin/inotifywait -mrq --timefmt '%d/%m/%y %H:%M' --format '%T %w%f' -e modify,delete,create,attrib ${src} \
    | while read file
do
rsync -vzrtopg --delete --progress $src $user@$ip::$dst --password-file=/etc/rsync.password > /dev/null && echo "$src was rsyncd"
done