MySQL数据库作业ab abb abc
AB
master ip 192.168.34.1
slave1 ip 192.168.34.2
[master:]
vim /etc/my.cnf
[mysqld]
server_id = 1
log-bin=binlog
log-bin-index=binlog.index
save&exit
service mysqld restart
mysql>grant replication slave on *.* to 'shenmeh'@'192.168.34.2' identified by '123';
mysql>flush privileges;
mysql>show master status;
binlog.000001 808
[slave1:]
mysql -h 192.168.34.1 -u shenmeh -p123
登录成功mysql>
exit
vim /etc/my.cnf
server_id = 2 (一定要大于master的ID)
relay_log = /var/lib/mysql/mysql-relay-bin
relay_log_index=/var/lib/mysql/mysql-relay-bin.index
save&exit
rm -fr /var/lib/mysql/*
service mysqld restart
[master:]
mysqldump -A -x > /tmp/full.sql
scp /tmp/full.sql [email protected]:/tmp/
[slave1:]
mysql < /tmp/full.sql
mysql> change master to master_host='192.168.34.1', master_port=3306, master_user='shenmeh', master_password='123',master_log_file='binlog.000001',master_log_pos=808;
ABB
在AB的基础上
master ip 192.168.34.1
slave1 ip 192.168.34.2
slave2 ip 192.168.34.3
[master:]
mysql>grant replication slave on *.* to 'shenmeh'@'192.168.34.3' identified by '123';
mysql>flush privileges;
[slave2:]
mysql -h 192.168.34.1 -u shenmeh -p123
登录成功mysql>
exit
vim /etc/my.cnf
server_id = 3
relay_log = /var/lib/mysql/mysql-relay-bin
relay_log_index=/var/lib/mysql/mysql-relay-bin.index
save&exit
rm -fr /var/lib/mysql/*
[master:]
mysqldump -A -x > /tmp/full.sql
scp /tmp/full.sql [email protected]:/tmp/
[slave2:]
mysql < /tmp/full.sql
service mysqld restart
mysql> change master to master_host='192.168.34.1', master_port=3306, master_user='shenmeh', master_password='123',master_log_file='binlog.000001',master_log_pos=808;
mysql> start slave;
[slave2:]
vim /etc/my.cnf
添加
sync_binlog=1 （这行详情见http://blog.sina.com.cn/s/blog_4d8a2c970100f531.html）
log-bin=binlog
log-bin-index=binlog.index
save&exit
mysql>grant replication slave on *.* to 'shenmeh'@'192.168.34.4' identified by '123';
mysql>flush privileges;
mysql>show master status;
binlog.000002 235
[slave3:]
mysql -h 192.168.34.2 -u shenmeh -p123
登录成功mysql>
exit
vim /etc/my.cnf
server_id = 4
relay_log = /var/lib/mysql/mysql-relay-bin
relay_log_index=/var/lib/mysql/mysql-relay-bin.index
save&exit
service mysqld restart
rm -fr /var/lib/mysql/*
[slave2:]
mysqldump -A -x > /tmp/full.sql
scp /tmp/full.sql [email protected]:/tmp/
service mysqld restart
[slave3:]
mysql < /tmp/full.sql
mysql> change master to master_host='192.168.34.2', master_port=3306, master_user='shenmeh', master_password='123',master_log_file='binlog.000002',master_log_pos=235;
mysql> start slave;
