Keepalived+MySQL主从搭建

Keepalived+MySQL主从搭建

目录

Keepalived+MySQL主从搭建

实验环境

MySQL安装

搭建mysql主从

安装keepalived

测试VIP切换情况

实验环境

虚拟机两台操作系统版本：centos7.3

数据库版本：5.7.37

node1（主节点）：192.168.92.141

node2（从节点）：192.168.92.142

VIP：192.168.92.140

 

MySQL安装

软件包上传

分别在node1、node2使用scp工具上传mysql-5.7.37-linux-glibc2.12-x86_64.tar.gz

注意：分别在node1 和node2 上执行

创建数据库用户和组

[root@node1 ~]# groupadd mysql

[root@node1 ~]# useradd mysql -g mysql

解压压缩包

[root@node1 ~]# tar xvfz mysql-5.7.37-linux-glibc2.12-x86_64.tar.gz  -C /usr/local/

重命名

[root@node1 ~]# mv /usr/local/mysql-5.7.37-linux-glibc2.12-x86_64 /usr/local/mysql

创建数据目录

[root@node1 ~]# mkdir -p /data/mysql/

创建日志目录

[root@node1 ~]# mkdir -p /data/log/

修改目录权限

[root@node1 ~]# chown mysql.mysql /data/

初始化MySQL数据库，记录数据库密码

[root@node1 ~]# cd /usr/local/mysql
[root@node1 mysql]# bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql
2022-10-09T06:43:27.426299Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2022-10-09T06:43:33.552521Z 0 [Warning] InnoDB: New log files created, LSN=45790
2022-10-09T06:43:34.450688Z 0 [Warning] InnoDB: Creating foreign key   constraint system tables.
2022-10-09T06:43:34.624646Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: b25d3ec2-479d-11ed-a0c4-000c29c00593.
2022-10-09T06:43:34.649311Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2022-10-09T06:43:35.449087Z 0 [Warning] A deprecated TLS version TLSv1 is enabled. Please use TLSv1.2 or higher.
2022-10-09T06:43:35.449107Z 0 [Warning] A deprecated TLS version TLSv1.1 is enabled. Please use TLSv1.2 or higher.
2022-10-09T06:43:35.450086Z 0 [Warning] CA certificate ca.pem is self sig