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MySQL主主互備結(jié)合keepalived實(shí)現(xiàn)高可用

發(fā)布時(shí)間:2016-01-13 15:00:40  來(lái)源:  作者:

試驗(yàn)環(huán)境:

master192.168.1.210CentOS6.5

slave192.168.1.211CentOS6.5

VIP192.168.1.208

 

MySQL主主互備模式配置

step1Master服務(wù)的/etc/my.cnf配置

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[mysqld]

basedir = /usr/local/mysql

datadir = /var/lib/mysql

port = 3306

socket = /var/lib/mysql/mysql.sock

 

server_id = 1

log-bin = mysql-bin

relay-log = mysql-relay-bin

replicate-wild-ignore-table=mysql.%   #指定不需要復(fù)制的庫(kù),mysql.%表示mysql庫(kù)下的所有對(duì)象

replicate-wild-ignore-table=test.%

replicate-wild-ignore-table=information_schema.%

step2Slave服務(wù)的/etc/my.cnf配置

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[mysqld]

basedir = /usr/local/mysql

datadir = /var/lib/mysql

port = 3306

socket = /var/lib/mysql/mysql.sock

 

server_id = 2

log-bin = mysql-bin

relay-log = mysql-relay-bin

replicate-wild-ignore-table=mysql.%

replicate-wild-ignore-table=test.%

replicate-wild-ignore-table=information_schema.%

step3:重啟兩臺(tái)主從mysql服務(wù)

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[root@master ~]# service mysqld restart

Shutting down MySQL..                                      [  OK  ]

Starting MySQL.                                            [  OK  ]

[root@slave ~]# service mysqld restart

Shutting down MySQL..                                      [  OK  ]

Starting MySQL.                                            [  OK  ]

 

step4:查看主從的log-bin日志狀態(tài)

記錄FilePosition的值

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[root@master ~]# mysql -uroot -ppasswd -e 'show master status'

Warning: Using a password on the command line interface can be insecure.

+------------------+----------+--------------+------------------+-------------------+

| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |

+------------------+----------+--------------+------------------+-------------------+

| mysql-bin.000001 |      414 |              |                  |                   |

+------------------+----------+--------------+------------------+-------------------+

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[root@slave ~]# mysql -uroot -ppasswd -e 'show master status'

Warning: Using a password on the command line interface can be insecure.

+------------------+----------+--------------+------------------+-------------------+

| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |

+------------------+----------+--------------+------------------+-------------------+

| mysql-bin.000001 |      414 |              |                  |                   |

+------------------+----------+--------------+------------------+-------------------+

 

step5:創(chuàng)建主從同步replication用戶

1master

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mysql> grant replication slave on *.* to 'replication'@'192.168.1.%' identified by 'replication';

mysql> flush privileges;

mysql> change master to

    -> master_host='192.168.1.211',

    -> master_user='replication',

    -> master_password='replication',

    -> master_port=3306,

    -> master_log_file='mysql-bin.000001',

    -> master_log_pos=414;

mysql> start slave;

2slave

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    mysql> grant replication slave on *.* to 'replication'@'192.168.1.%' identified by 'replication';<

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