step by step配置mysql復(fù)制的具體方法
采用全庫復(fù)制的方案,方便管理mysql 5.5 + rhel5.8
10.4.11.12 master
10.4.11.13 slave
---Master端設(shè)置
1, 創(chuàng)建復(fù)制帳號,需要復(fù)制和slave權(quán)限
mysql> GRANT REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO repl@'10.4.11.12 IDENTIFIED BY 'mysql;
Query OK, 0 rows affected (0.00 sec)
2, 修改參數(shù),并重啟生效
#skip-networking
server-id = 12
# Uncomment the following if you want to log updates
log-bin=mysql-bin
重啟mysql
service mysql restart
---slave端的設(shè)置
3,slave庫的參數(shù)設(shè)置,同樣需要重啟生效
vi /etc/my.cnf
#skip-networking
server-id = 13
# Uncomment the following if you want to log updates
log-bin=mysql-relay-bin
4,master導(dǎo)出數(shù)據(jù)到slave庫
如果數(shù)據(jù)庫使用的是MyISAM表類型的話,可按如下方式操作:
shell> mysqldump --all-databases --master-data=1 > data.sql
如果數(shù)據(jù)庫使用的是InnoDB表類型的話,則應(yīng)該使用single-transcation:
shell> mysqldump --all-databases --single-transaction --master-data=1 > data.sql
slave端導(dǎo)入數(shù)據(jù)
mysql < data.sql
5,查看master的配置
mysql> show master status;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000001 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
6,啟動復(fù)制,slave端運(yùn)行如下命令
--配置復(fù)制的指向
CHANGE MASTER TO MASTER_HOST='10.4.11.12',
MASTER_USER='repl',
MASTER_PASSWORD='mysql',
MASTER_LOG_FILE='mysql-bin.000001',
MASTER_LOG_POS=0;
--開始復(fù)制
mysql> start slave ;
Query OK, 0 rows affected (0.00 sec)
7,查看復(fù)制的狀態(tài),注意slave_io_state, slave_io_Running,和slave_sql_running三列的值
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 172.16.251.11
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 1278
Relay_Log_File: linux2-relay-bin.000002
Relay_Log_Pos: 503
Relay_Master_Log_File: mysql-bin.000001
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
……..
8,測試復(fù)制情況
Master端新建一個表
Slave查看是否復(fù)制完成
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