Mariadb-10.2.25 多实例
定义目录
mkdir -p /mysql/{3306,3307,3308}/{bin,data,etc,log,pid,socket}生成数据库文件
/app/mysql/scripts/mysql_install_db --datadir=/mysql/3306/data --user mysql
/app/mysql/scripts/mysql_install_db --datadir=/mysql/3307/data --user mysql
/app/mysql/scripts/mysql_install_db --datadir=/mysql/3308/data --user mysql权限设置
chmod -R mysq.mysql /mysql配置文件
cp mariadb-10.2.25/support-files/my-huge.cnf /mysql/3306/etc/my.cnf
vim /mysql/3306/etc/my.cnf
[mysqld]
datadir = /mysql/3306/data
port = 3306
socket = /mysql/3306/socket/mysql.sock
[client]
port = 3306
socket = /mysql/3306/socket/mysql.sock
[mysqld_safe]
log-error=/mysql/3306/log/mariadb.log
pid-file=/mysql/3306/pid/mariadb.pid
cp /mysql/3306/etc/my.cnf /mysql/3307/etc/my.cnf
cp /mysql/3306/etc/my.cnf /mysql/3308/etc/my.cnf
sed -i 's@3306@3307@' /mysql/3307/etc/my.cnf
sed -i 's@3306@3308@' /mysql/3308/etc/my.cnf启动脚本
#!/bin/bash
port=3306
mysql_user="root"
mysql_pwd="centos"
cmd_path="/app/mysql/bin"
mysql_basedir="/mysql" mysql_sock="${mysql_basedir}/${port}/socket/mysql.sock" function_start_mysql() { if [ ! -e "$mysql_sock" ];then printf "Starting MySQL...\n" ${cmd_path}/mysqld_safe --defaults-file=${mysql_basedir}/${port}/etc/my.cnf &> /dev/null & else printf "MySQL is running...\n" exit fi } function_stop_mysql() { if [ ! -e "$mysql_sock" ];then printf "MySQL is stopped...\n" exit else printf "Stoping MySQL...\n" ${cmd_path}/mysqladmin -u ${mysql_user} -p${mysql_pwd} -S ${mysql_sock} shutdown fi } function_restart_mysql() { printf "Restarting MySQL...\n" function_stop_mysql sleep 2 function_start_mysql } case $1 in start) function_start_mysql ;; stop) function_stop_mysql ;; restart) function_restart_mysql ;; *) printf "Usage: ${mysql_basedir}/${port}/bin/mysqld {start|stop|restart}\n" esac 分别存放在 /mysql/{3306,3307,3308}/bin/mysqld，对应端口，添加执行权限
启动
/mysql/3306/bin/mysqld start
/mysql/3307/bin/mysqld start
/mysql/3308/bin/mysqld start修改密码
mysqladmin -S /mysql/3306/socket/mysql.sock password centos
mysqladmin -S /mysql/3307/socket/mysql.sock password centos
mysqladmin -S /mysql/3308/socket/mysql.sock password centos停止服务
/mysql/3306/bin/mysqld stop
/mysql/3307/bin/mysqld stop
/mysql/3308/bin/mysqld stop
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