mysql 配置雙機熱備

#關閉防火牆 systemctl stop firewalld systemctl disable firewalldmysql 10.92.4.50爲主 10.92.4.51爲備linux 一、在主服務器上建立備份用戶web mysql -hlocalhost -uroot -p grant replication slave,super,reload on *.* to forslave@10

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