1.创建mysql用户
groupadd mysql useradd -r -g mysql -s /bin/false mysql
2.安装MySQL依赖包下载5.7.17包
yum install -y libaio cd /usr/local/src/ wget http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz tar -zxf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz mkdir -p /data/app/
3.拷贝解压文件到安装目录并授权
cp -rf mysql-5.7.17-linux-glibc2.5-x86_64 /data/app/mysql-3306 cp -rf mysql-5.7.17-linux-glibc2.5-x86_64 /data/app/mysql-3307 cp -rf mysql-5.7.17-linux-glibc2.5-x86_64 /data/app/mysql-3308 cp -rf mysql-5.7.17-linux-glibc2.5-x86_64 /data/app/mysql-3309 chown -R mysql:mysql /data/app/mysql-3306 chown -R mysql:mysql /data/app/mysql-3307 chown -R mysql:mysql /data/app/mysql-3308 chown -R mysql:mysql /data/app/mysql-3309
4.初始化程序
/data/app/mysql-3306/bin/mysqld --initialize-insecure --user=mysql --basedir=/data/app/mysql-3306 --datadir=/data/app/mysql-3306/data /data/app/mysql-3307/bin/mysqld --initialize-insecure --user=mysql --basedir=/data/app/mysql-3307 --datadir=/data/app/mysql-3307/data /data/app/mysql-3308/bin/mysqld --initialize-insecure --user=mysql --basedir=/data/app/mysql-3308 --datadir=/data/app/mysql-3308/data /data/app/mysql-3309/bin/mysqld --initialize-insecure --user=mysql --basedir=/data/app/mysql-3309 --datadir=/data/app/mysql-3309/data
5.配置my.cnf
修改my.cnf需要修改的参数：server-id：保证每个配置文件唯一，两台master的自增长ID必须不同
linux-node2
cat > /data/app/mysql-3306/my.cnf<<EOF [client] port = 3306 socket = /data/app/mysql-3306/mysql.sock [mysqld] port = 3306 user = mysql server-id = 1 bind-address = 0.0.0.0 basedir = /data/app/mysql-3306 datadir = /data/app/mysql-3306/data socket = /data/app/mysql-3306/mysql.sock pid-file = /data/app/mysql-3306/mysql.pid log-error = /data/app/mysql-3306/mysqld.log skip-name-resolve log_bin = mysql-bin log-slave-updates sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES EOF chown mysql.mysql /data/app/mysql-3306/my.cnf ---------------------------------------------------------- cat > /data/app/mysql-3307/my.cnf<<EOF [client] port = 3307 socket = /data/app/mysql-3307/mysql.sock [mysqld] port = 3307 user = mysql server-id = 11 bind-address = 0.0.0.0 basedir = /data/app/mysql-3307 datadir = /data/app/mysql-3307/data socket = /data/app/mysql-3307/mysql.sock pid-file = /data/app/mysql-3307/mysql.pid log-error = /data/app/mysql-3307/mysqld.log skip-name-resolve log_bin = mysql-bin sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES EOF chown mysql.mysql /data/app/mysql-3306/my.cnf
6.配置启动mysql服务
touch /data/app/mysql-3306/mysqld.log && chown mysql.mysql /data/app/mysql-3306/mysqld.log sed -i 's#/usr/local/mysql#/data/app/mysql-3306#g' /data/app/mysql-3306/bin/mysqld_safe touch /data/app/mysql-3307/mysqld.log && chown mysql.mysql /data/app/mysql-3307/mysqld.log sed -i 's#/usr/local/mysql#/data/app/mysql-3307#g' /data/app/mysql-3307/bin/mysqld_safe touch /data/app/mysql-3308/mysqld.log && chown mysql.mysql /data/app/mysql-3308/mysqld.log sed -i 's#/usr/local/mysql#/data/app/mysql-3308#g' /data/app/mysql-3307/bin/mysqld_safe touch /data/app/mysql-3309/mysqld.log && chown mysql.mysql /data/app/mysql-3309/mysqld.log sed -i 's#/usr/local/mysql#/data/app/mysql-3309#g' /data/app/mysql-3309/bin/mysqld_safe
启动修改：第一种：
vim /data/app/mysql-3306/support-files/mysql.server mysqld_pid_file_path=/data/app/mysql-3306/ basedir=/data/app/mysql-3306/ datadir=/data/app/mysql-3306/data cp -a /data/app/mysql-3306/support-files/mysql.server /etc/init.d/ mv /etc/init.d/mysql.server /etc/init.d/mysql3306 chmod +x /etc/init.d/mysql.server server mysql3306 start
启动：3306 /data/app/mysql-3306/bin/mysqld_safe --defaults-file=/data/app/mysql-3306/my.cnf --basedir=/data/app/mysql-3306 --datadir=/data/app/mysql-3306/data --user=mysql & 启动：3307 /data/app/mysql-3307/bin/mysqld_safe --defaults-file=/data/app/mysql-3307/my.cnf --basedir=/data/app/mysql-3307 --datadir=/data/app/mysql-3307/data --user=mysql & 启动：3308 /data/app/mysql-3308/bin/mysqld_safe --defaults-file=/data/app/mysql-3308/my.cnf --basedir=/data/app/mysql-3308 --datadir=/data/app/mysql-3308/data --user=mysql & 启动：3309 /data/app/mysql-3309/bin/mysqld_safe --defaults-file=/data/app/mysql-3309/my.cnf --basedir=/data/app/mysql-3309 --datadir=/data/app/mysql-3309/data --user=mysql &
启动修改：第二种：
检查启动端口：
ss -lntup |egrep '3306|3307|3308|3309' yum install -y mysql mysql -uroot -S /data/app/mysql-3306/mysql.sock yum install -y mysql mysql -uroot -S /data/app/mysql-3307/mysql.sock
