通过查看 slave  状态，确保 Slave_IO_Running: Yes Slave_SQL_Running: Yes

#!/bin/bash

#Author:Darius-D

mysql -uroot -p123123 -e 'show slave status\G' >a.txt

IO=`head -12 a.txt | tail -1|awk -F ':' '{print $2}'`

SQL=`head -13 a.txt | tail -1|awk -F ':' '{print $2}'`

if [ $IO == 'Yes' ];then

echo "Slave_IO_Running:Yes"

if [ $SQL == 'Yes' ];then

echo "Slave_SQL_Running:Yes"

else

echo "Slave_SQL_Running:No"

fi

else

echo "Slave_IO_Running:No"

fi

有关于mysql主从备份相关原理及备份链接进入查看。

https://www.cnblogs.com/Darius-D/p/9522619.html