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MYsql编译安装及主从复制

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标签:操作系统   mysql   主从复制   

MYsql主从复制:

操作系统:centOS6.6

准备文件:mariadb-5.5.40-linux-x86_64.tar.gz

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(安装MYSQL,在node2node3执行)

[root@node1 ~]# yum install mysql –y  (安装mysql客户端)

[root@node2 ~]# scp  mariadb-5.5.40-linux-x86_64.tar.gz  node3:/root

[root@node2 ~]# useradd -r mysql

[root@node2 ~]# mkdir -pv /mydata/data

[root@node2 ~]# chown -R mysql.mysql/mydata/data/

[root@node2 ~]# tar -xfmariadb-5.5.40-linux-x86_64.tar.gz -C /usr/local/

[root@node2 ~]# cd /usr/local/

[root@node2 local]# lnmariadb-5.5.40-linux-x86_64/ -sv mysql

[root@node2 local]# cd mysql/

[root@node2 mysql]# chown -R root.mysql ./*

[root@node2 mysql]#scripts/mysql_install_db --user=mysql --datadir=/mydata/data/

[root@node2 mysql]# mkdir /etc/mysql

[root@node2 mysql]# cpsupport-files/my-large.cnf /etc/mysql/my.cnf

[root@node2 mysql]# vim /etc/mysql/my.cnf

# Try number of CPU‘s*2 forthread_concurrency

thread_concurrency = 8

datadir = /mydata/data         

innodb_file_per_table =on

skip_name_resolve = on

# Replication Master Server (default)

# binary logging is required forreplication

log-bin=mysql-bin                    (启用二进制日志)

# binary logging format - mixed recommended

binlog_format=mixed

# required unique id between 1 and 2^32 - 1

# defaults to 1 if master-host is not set

# but will not function as a master ifomitted

server-id       = 1

 

[root@node2 mysql]# cp support-files/mysql.server/etc/init.d/mysqld

[root@node2 mysql]# chkconfig --add mysqld

[root@node2 mysql]# chkconfig --list mysqld   (查看是否添加到启动项)

[root@node2 mysql]# service mysqld start

[root@node2 mysql]# cd /mydata/data/

[root@node2 data]# ll

-rw-rw---- 1 mysqlmysql      245 Jan 25 10:13mysql-bin.000001

-rw-rw---- 1 mysqlmysql       19 Jan 25 10:13mysql-bin.index

 

。。。。。。。。切换NODE2。。。。。。。。。。。。

 

[root@node2 data]#/usr/local/mysql/bin/mysql   (连接Mysql,也可以直接使用#mysql进入

MariaDB [(none)]> GRANT REPLICATIONCLIENT,REPLICATION SLAVE ON *.* TO ‘repluser‘@‘172.16.%.%‘ IDENTIFIED BY‘replpass‘;   (创建一个有复制权限的账号)

MariaDB [(none)]> FLUSH PRIVILEGES;

 

 

。。。。。。。。切换NODE3。。。。。。。。。。。。

 

修改从节点相关配置

 

[root@node3 mysql]# vim /etc/mysql/my.cnf

# Replication Master Server (default)

# binary logging is required forreplication

#log-bin=mysql-bin                  (不启用二进制日志)

# required unique id between 1 and 2^32 - 1

# defaults to 1 if master-host is not set

# but will not function as a master ifomitted

server-id       = 20             server-id必须修改,不能与node2相同)

relay-log = relay-bin               (添加中继日志)

read-only = on                                   (开启只读,使用on1都可以)

[root@node3 mysql]# service mysqld restart

[root@node3 mysql]#/usr/local/mysql/bin/mysql  (连接Mysql

MariaDB [(none)]> SHOW GLOBAL VARIABLESLIKE ‘%only%‘;                     (查看只读是否开启)

 

。。。。。。。。切换NODE2。。。。。。。。。。。。

 

[root@node2 data]# /usr/local/mysql/bin/mysql

MariaDB [(none)]> SHOW MASTER STATUS;  

| File             | Position

| mysql-bin.000001 |  496 |                          (二进制文件日志以及位置)

 

。。。。。。。。切换NODE3。。。。。。。。。。。。

 

[root@node3 mysql]#/usr/local/mysql/bin/mysql

MariaDB [(none)]> CHANGE MASTER TO MASTER_HOST=‘172.16.18.20‘, MASTER_USER=‘repluser‘ ,MASTER_PASSWORD=‘replpass‘ , MASTER_LOG_FILE=‘ mysql-bin.000001‘ ,MASTER_LOG_POS=496, MASTER_CONNECT_RETRY=5 , MASTER_HEARTBEAT_PERIOD=2;

(连接主服务器)

                          | MASTER_HOST = ‘host_name‘     主服务器地址

                          | MASTER_USER = ‘user_name‘     有复制权限的用户名

                          | MASTER_PASSWORD = ‘password‘   用户密码

                          | MASTER_PORT = port_num         主服务器的端口

                          | MASTER_CONNECT_RETRY = interval    连接重试时间间隔

                          | MASTER_HEARTBEAT_PERIOD = interval    心跳检测时间间隔

                          | MASTER_LOG_FILE = ‘master_log_name‘    主服务器二进制日志文件

                          | MASTER_LOG_POS = master_log_pos          二进制日志文件中的位置

MariaDB [(none)]> SHOW SLAVE STATUS\G          (查看从服务器状态)

            Slave_IO_Running: No

           Slave_SQL_Running: No

[root@node3 ~]# cd /mydata/data/

[root@node3 data]# ll

-rw-rw---- 1 mysql mysql      245 Jan 25 11:21 relay-bin.000001

-rw-rw---- 1 mysqlmysql       43 Jan 25 11:21relay-log.info

MariaDB [(none)]> START SLAVE;  (启用从服务器)

MariaDB [(none)]> SHOW SLAVE STATUS\G          (查看从服务器状态)

             Slave_IO_Running: Yes

            Slave_SQL_Running: Yes

 

。。。。。。。。切换NODE2。。。。。。。。。。。。

[root@node2 data]#/usr/local/mysql/bin/mysql

mysql> create databasemydb;   (在主服务器创建一个数据库)

 

。。。。。。。。切换NODE3。。。。。。。。。。。。

[root@node3 mysql]#/usr/local/mysql/bin/mysql

mysql> show slave status\G;          (查看状态)

               Slave_IO_State: Waiting formaster to send event

                  Master_Host: 172.16.18.20

                  Master_User: repluser

                  Master_Port: 3306

                Connect_Retry: 60

              Master_Log_File: mysql-bin.000001

          Read_Master_Log_Pos: 579              (位置已经发生变化)

mysql> show databases;                 (在NODE3查看,数据已经复制过来了)

 

 

 

 

 

 

 

 

 


MYsql编译安装及主从复制

标签:操作系统   mysql   主从复制   

原文地址:http://dragondragon.blog.51cto.com/6170889/1608584

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