Mysql主主复制
2012-02-09 15:26
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一、环境描述
mysql服务器A 192.168.3.161 mysql服务器B 192.168.3.163
二、主主配置过程
1、创建同步用户:
服务器A:
grant replication slave,file on *.* to 'replication'@'192.168.3.163' identified by '123456';
flush privileges;
服务器B:
grant replication slave,file on *.* to 'replication'@'192.168.3.161' identified by '123456';
flush privileges;
2、修改mysql配置文件
A:
log-bin=mysql-bin
server-id = 1
binlog-do-db=test
binlog-ignore-db=mysql
replicate-do-db=test
replicate-ignore-db=mysql
log-slave-updates
sync_binlog=1
auto_increment_increment=2
auto_increment_offset=1
B:
log-bin=mysql-bin
server-id = 2
binlog-do-db=test
binlog-ignore-db=mysql
replicate-do-db=test
replicate-ignore-db=mysql
log-slave-updates
sync_binlog=1
auto_increment_increment=2
auto_increment_offset=2
参数选项说明:
log-slave-updates 将执行的复制sql记录到二进制日志
sync_binlog 当有二进制日志写入binlog文件的时候,mysql服务器将它同步到磁盘上
auto_increment_increment,auto_increment_offset 主要用于主主复制中,用来控制AUTO_INCREMENT列的操作
3、重启mysql服务后,进入mysql命令行,执行操作如下:
A:
mysql> flush tables with read lock;
mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000010
Position: 107
Binlog_Do_DB: test
Binlog_Ignore_DB: mysql
1 row in set (0.00 sec)
mysql> unlock tables;
mysql> stop slave;
mysql> change master to master_host='192.168.3.163',master_user='replication',master_password='123456',master_log_file='mysql-bin.000010', master_log_pos=107;
mysql> start slave;
B:
mysql> flush tables with read lock;
mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000010
Position: 107
Binlog_Do_DB: test
Binlog_Ignore_DB: mysql
1 row in set (0.00 sec)
mysql> unlock tables;
mysql> stop slave;
mysql> change master to master_host='192.168.3.161',master_user='replication',master_password='123456',master_log_file='mysql-bin.000010', master_log_pos=107;
mysql> start slave;
4、查看各服务器的状态:
mysql> show slave status\G;
出现:Slave_IO_Running: Yes
Slave_SQL_Running: Yes
则状态正常,直接测试数据能否同步就OK了!
本文出自 “流星 ” 博客,请务必保留此出处http://lsscto.blog.51cto.com/779396/775514
mysql服务器A 192.168.3.161 mysql服务器B 192.168.3.163
二、主主配置过程
1、创建同步用户:
服务器A:
grant replication slave,file on *.* to 'replication'@'192.168.3.163' identified by '123456';
flush privileges;
服务器B:
grant replication slave,file on *.* to 'replication'@'192.168.3.161' identified by '123456';
flush privileges;
2、修改mysql配置文件
A:
log-bin=mysql-bin
server-id = 1
binlog-do-db=test
binlog-ignore-db=mysql
replicate-do-db=test
replicate-ignore-db=mysql
log-slave-updates
sync_binlog=1
auto_increment_increment=2
auto_increment_offset=1
B:
log-bin=mysql-bin
server-id = 2
binlog-do-db=test
binlog-ignore-db=mysql
replicate-do-db=test
replicate-ignore-db=mysql
log-slave-updates
sync_binlog=1
auto_increment_increment=2
auto_increment_offset=2
参数选项说明:
log-slave-updates 将执行的复制sql记录到二进制日志
sync_binlog 当有二进制日志写入binlog文件的时候,mysql服务器将它同步到磁盘上
auto_increment_increment,auto_increment_offset 主要用于主主复制中,用来控制AUTO_INCREMENT列的操作
3、重启mysql服务后,进入mysql命令行,执行操作如下:
A:
mysql> flush tables with read lock;
mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000010
Position: 107
Binlog_Do_DB: test
Binlog_Ignore_DB: mysql
1 row in set (0.00 sec)
mysql> unlock tables;
mysql> stop slave;
mysql> change master to master_host='192.168.3.163',master_user='replication',master_password='123456',master_log_file='mysql-bin.000010', master_log_pos=107;
mysql> start slave;
B:
mysql> flush tables with read lock;
mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000010
Position: 107
Binlog_Do_DB: test
Binlog_Ignore_DB: mysql
1 row in set (0.00 sec)
mysql> unlock tables;
mysql> stop slave;
mysql> change master to master_host='192.168.3.161',master_user='replication',master_password='123456',master_log_file='mysql-bin.000010', master_log_pos=107;
mysql> start slave;
4、查看各服务器的状态:
mysql> show slave status\G;
出现:Slave_IO_Running: Yes
Slave_SQL_Running: Yes
则状态正常,直接测试数据能否同步就OK了!
本文出自 “流星 ” 博客,请务必保留此出处http://lsscto.blog.51cto.com/779396/775514
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