mysql 配置双机热备

#关闭防火墙 systemctl stop firewalld systemctl disable firewalldmysql 10.92.4.50为主 10.92.4.51为备linux 一、在主服务器上建立备份用户web mysql -hlocalhost -uroot -p grant replication slave,super,reload on *.* to forslave@10

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