MYSQL做数据库主从时,从库的Slave默认是不启动的。
1、新建脚本mysql-slave-start.sh
#!/bin/sh user=root password="123456" mysql -u$user -p$password -e "show slave statusG;" | grep -i running > slavestatus.log if [ `cat slavestatus.log | grep -i IO | awk '{print $2}'` = Yes ]; then echo "slave Io process is OK" else mysql -u$user -p$password -e "stop slave;" wait; mysql -u$user -p$password -e "start slave;" wait; echo "`date` IO slave has started" >> slavemon.log fi if [ `cat slavestatus.log | grep -i SQL | awk '{print $2}'` = Yes ]; then echo "slave SQL process is OK" else mysql -u$user -p$password -e "stop slave;" wait; mysql -u$user -p$password -e "start slave;" wait; echo "`date` SQL slave has started" >> slavemon.log
2、赋予可执行权限
chmod +x mysql-slave-start.sh
3、加入开机启动
vim /etc/rc.local # 追加到末尾即可 /root/start-up/mysql-slave-start.sh
配置完毕!