标签：closed 安装mysql table data isp ref oracle chown 分享
mysql多实例安装有两种形式：
同一数据库的多实例安装：
在同一台机器上安装4台mysql数据库实例。
从官网下载MySQL5.6版本的二进制免编译安装包，地址如下MySQL5.6下载
和安装一台mysql实例一样，首先要创建mysql用户，创建datadir目录。
[root@test2 mysql]# useradd -M mysql #创建dataidr目录，因为要安装4个MySQL数据库实例，需要创建4个datadir目录，如下 [root@test2 mysql]# cd /data [root@test2 data]# ls mysql mysql1 mysql2 mysql3 #修改datadir的目录权限均为MySQL [root@test2 data]# chonw -R mysql:mysql mysql*
【单机MySQL5.6安装步骤】在MySQL的解压包中有一个INSTALL-BINARY文件，这里面包含了MySQL的单机安装步骤。
[root@test2 mysql]# ls bin data etc INSTALL-BINARY man my-new.cnf mysql-test scripts sql-bench COPYING docs include lib my.cnf mysql.sock README share support-files [root@test2 mysql]# pwd /usr/local/mysql [root@test2 mysql]# ###因为文件比较内容比较多，仅贴了linux安装MySQL的步骤 shell> groupadd mysql shell> useradd -r -g mysql -s /bin/false mysql shell> cd /usr/local shell> tar zxvf /path/to/mysql-VERSION-OS.tar.gz shell> ln -s full-path-to-mysql-VERSION-OS mysql shell> cd mysql shell> chown -R mysql . shell> chgrp -R mysql . shell> scripts/mysql_install_db --user=mysql shell> chown -R root . shell> chown -R mysql data shell> bin/mysqld_safe --user=mysql &
创建完目录之后需要实例化数据库，因为我们需要安装4个MySQL数据库实例，因此要实例化四次。
cd /usr/local/mysql ./scripts/mysql_install_db --user=mysql --datadir=/data/mysql1 ./scripts/mysql_install_db --user=mysql --datadir=/data/mysql2 ./scripts/mysql_install_db --user=mysql --datadir=/data/mysql3 ./scripts/mysql_install_db --user=mysql --datadir=/data/mysql4
实例化之后编写配置文件，MySQL的默认端口是3306，四个MySQL实例的端口分别为3306,3307,3308,3309.
[mysqld_multi] mysqld = /usr/local/mysql/bin/mysqld mysqladmin = /usr/local/mysql/bin/mysqladmin log = /tmp/mysql-mulit.log [mysqld0] log_bin user=mysql basedir = /usr/local/mysql datadir = /data/mysql port = 3306 server_id = 6 skip-grant-tables socket = /tmp/mysql0.sock sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES [mysqld1] log_bin user=mysql basedir = /usr/local/mysql datadir = /data/mysql1 port = 3307 server_id = 7 skip-grant-tables socket = /tmp/mysql1.sock sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES [mysqld2] log_bin user=mysql basedir = /usr/local/mysql datadir = /data/mysql2 port = 3308 server_id = 8 skip-grant-tables socket = /tmp/mysql2.sock sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES [mysqld3] log_bin user=mysql basedir = /usr/local/mysql datadir = /data/mysql3 port = 3309 server_id = 9 skip-grant-tables socket = /tmp/mysql3.sock sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
说明： 我们使用了mysld_multi命令，因此在配置文件的开始，我们配置了mysqld_mulit命令的位置。mysqladmin也是一样。log指定了mysqld_multi的日志位置。
后面使用[mysqldX]的形式区分每一个mysql实例的基本配置，在每个实例中要区分每个MySQL的端口号，每个MySQL的套接字文件名，为了使用套接字本地连接，还有每个mysql的datadir指定到对应的目录，要设置每个数据库的server_id不一样。
然后就是启动mysql实例。
[root@test2 mysql]# mysqld_multi report Reporting MySQL servers MySQL server from group: mysqld0 is not running MySQL server from group: mysqld1 is not running MySQL server from group: mysqld2 is not running MySQL server from group: mysqld3 is not running 由上可知mysql实例并没有运行。 mysqld_multi start 0 #启动第一个MySQL实例 mysqld_multi stop 0 #停止指定的MySQL实例 mysqld_multi start #启动所有的MySQL实例 mysqld_multi stop #停止所有的MySQL实例 ------------------------------------------------ [root@test2 mysql]# mysqld_multi start [root@test2 mysql]# netstat -lntp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1018/sshd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1282/master tcp 0 0 :::22 :::* LISTEN 1018/sshd tcp 0 0 :::3306 :::* LISTEN 27486/mysqld tcp 0 0 :::3307 :::* LISTEN 27563/mysqld tcp 0 0 :::3308 :::* LISTEN 27566/mysqld tcp 0 0 :::3309 :::* LISTEN 27569/mysqld [root@test2 mysql]# mysql -S /tmp/mysql3.sock # 使用套接字连接MySQL，也可以指定对应的端口号1进行连接 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.28-log Source distribution Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql>
至此MySQL多实例（同一版本）已经安装完毕。
不同版本的MySQL多实例安装
【待续】
标签：closed 安装mysql table data isp ref oracle chown 分享
原文地址：https://www.cnblogs.com/wxzhe/p/9726937.html
