node:
| machine | Numbering | node |
| 172.16.38.130 | node-01 | master |
| 172.16.38.131 | node-02 | slave-01 |
| 172.16.38.132 | node-03 | slave-02 |
Each node install mysql:
docker pull mysql:5.7.19;
docker run --name mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=yunkun920801 -d mysql:5.7.19;Open root remote login and password
[root@localhost ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d706ed1d33eb mysql:5.7.19 "docker-entrypoint.s…" 2 minutes ago Up 2 minutes 0.0.0.0:3306->3306/tcp mysql
[root@localhost ~]# docker exec -ti d706ed1d33eb /bin/bash
root@d706ed1d33eb:/# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.19 MySQL Community Server (GPL)
Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> grant all privileges on *.* to root@"%" identified by "yunkun920801" with grant option;
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
So far, three nodes have installed the mysql and log in as root remotely
Mounting the container vim
[root@localhost ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d706ed1d33eb mysql:5.7.19 "docker-entrypoint.s…" 8 minutes ago Up 8 minutes 0.0.0.0:3306->3306/tcp mysql
[root@localhost ~]# docker exec -ti d706ed1d33eb /bin/bash
root@d706ed1d33eb:/# apt-get update
root@d706ed1d33eb:/# apt-get install vimmaster
root@d706ed1d33eb:/# vi /etc/mysql/mysql.conf.d/mysqld.cnf
# 设置 server_id，一般设置为 IP
server_id=130
# 复制过滤:不需要备份的数据库，不输出
binlog-ignore-db=mysql
# 开启二进制日志功能，可以随便取，最好有含义
log-bin=mysql-bin
# 为每个 session 分配的内存，在事务过程中用来存储二进制日志的缓存
binlog_cache_size=1M
# 主从复制的格式mixed,statement,row，默认格式是 statement
binlog_format=mixed
# 二进制日志自动删除/过期的天数。默认值为 0，表示不自动删除。
expire_logs_days=7
# 跳过主从复制中遇到的所有错误或指定类型的错误，避免 slave 端复制中断。 ## 如:1062 错误是指一些主键重复，1032 错误是因为主从数据库数据不一致
slave_skip_errors=1062
Restart the primary node
[root@localhost ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d706ed1d33eb mysql:5.7.19 "docker-entrypoint.s…" 29 minutes ago Up 29 minutes 0.0.0.0:3306->3306/tcp mysql
[root@localhost ~]# docker restart d706ed1d33eb
d706ed1d33eb
[root@localhost ~]#
Authorization to create an account
[root@localhost ~]# docker exec -ti d706ed1d33eb /bin/bash
root@d706ed1d33eb:/# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.19-log MySQL Community Server (GPL)
mysql> grant replication slave on *.* to master@'%' identified by 'yunkun920801';
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> show master status;
+------------------+----------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000001 | 591 | | mysql | |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)At this point the master node has been completed
slave
vi /etc/mysql/mysql.conf.d/mysqld.cnf
server_id=131
# 开启二进制日志，以备 Slave 作为其它 Slave 的 Master 时使用
log-bin=mysql-slave1-bin
# 为每个 session 分配的内存，在事务过程中用来存储二进制日志的缓存
binlog_cache_size = 1M
# 主从复制的格式(mixed,statement,row，默认格式是 statement)
binlog_format=mixed
# 二进制日志自动删除/过期的天数。默认值为 0，表示不自动删除。
expire_logs_days=7
# 跳过主从复制中遇到的所有错误或指定类型的错误，避免 slave 端复制中断。 ## 如:1062 错误是指一些主键重复，1032 错误是因为主从数据库数据不一致
slave_skip_errors=1062
# relay_log 配置中继日志
relay_log=mysql-relay-bin
# log_slave_updates 表示 slave 将复制事件写进自己的二进制日志
log_slave_updates=1
# 防止改变数据(除了特殊的线程)
read_only=1
After rebooting
root@5f4d8cd5ab47:/# mysql -u root -p
mysql> change master to master_host='172.16.38.130', master_user='master', master_password='yunkun920801', master_port=3306, master_log_file='mysql-bin.000001', master_log_pos=591, master_connect_retry=30;
Query OK, 0 rows affected, 2 warnings (0.01 sec)
mysql> start slave;
Query OK, 0 rows affected (0.00 sec)
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 172.16.38.130
Master_User: master
Master_Port: 3306
Connect_Retry: 30
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 591
Relay_Log_File: mysql-relay-bin.000002
Relay_Log_Pos: 320
Relay_Master_Log_File: mysql-bin.000001
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 591
Relay_Log_Space: 527
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 130
Master_UUID: 25b3ee05-328a-11ea-ade2-0242ac110002
Master_Info_File: /var/lib/mysql/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
ERROR:
No query specified
Even if successfully configured as FIG.
Are two slave configuration data can be added to the master library built form will be found automatically backed up from the library, the end!
