MySQL 主从复制集群部署
▶ MySQL 主从复制集群部署
▷ MySQL主节
▷▷ MySQL主节点部署
[root@server ~]# mkdir -p /opt/mysql/log/
[root@server ~]# mkdir -p /opt/mysql/data/
[root@server ~]# mkdir -p /opt/mysql/conf/
[root@server ~]# mkdir /opt/mysql/conf/conf.d
[root@server ~]# mkdir /opt/mysql/conf/mysql.conf.d
[root@server ~]# docker run -d -p 3306:3306 \
> --name mysql-master \
> -v /opt/mysql/log/:/var/log/mysql \
> -v /opt/mysql/data/:/var/lib/mysql \
> -v /opt/mysql/conf/:/etc/mysql \
> -e MYSQL_ROOT_PASSWORD=root \
> mysql:5.7
17cd15ceec9f2f83c26a96fcecbef73c453f0141f4a1e5bcacd50324a5e3dec6
[root@server ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
17cd15ceec9f mysql:5.7 "docker-entrypoint.s…" 56 seconds ago Up 56 seconds 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql-master
▷▷ MySQL主节点配置
[root@server ~]# mkdir -p /opt/mysql-master/conf
[root@server ~]# vim /opt/mysql-master/conf/my.cnf
[root@server ~]# cat /opt/mysql-master/conf/my.cnf
[client]
default-character-set=utf8
[mysql]
default-character-set=utf8
[mysqld]
init_connect='SET collation_connection = utf-8_unicode_ci'
init_connect='SET NAMES utf8'
character-set-server=utf8
collation-server=utf8_unicode_ci
skip-character-set-client-handshake
skip-name-resolve
server_id=1
log-bin=mysql-bin
read-only=0
binlog-do-db=kubemsb_test
replicate-ignore-db=mysql
replicate-ignore-db=sys
replicate-ignore-db=information_schema
replicate-ignore-db=performance_schema
▷ MySQL从节点
▷▷ MySQL从节点部署
[root@server ~]# mkdir -p /opt/mysql-slave/log
[root@server ~]# mkdir -p /opt/mysql-slave/data
[root@server ~]# mkdir -p /opt/mysql-slave/conf
[root@server ~]# mkdir /opt/mysql-slave/conf/mysql.conf.d
[root@server ~]# mkdir /opt/mysql-slave/conf/conf.d
[root@server ~]# docker run -p 3307:3306 \
> --name mysql-slave \
> -v /opt/mysql-slave/log/:/var/log/mysql \
> -v /opt/mysql-slave/data/:/var/lib/mysql \
> -v /opt/mysql-slave/conf/:/etc/mysql \
> -e MYSQL_ROOT_PASSWORD=root \
> -d \
> --link mysql-master:mysql-master \
> mysql:5.7
[root@server ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2099bb97f671 mysql:5.7 "docker-entrypoint.s…" About a minute ago Up About a minute 33060/tcp, 0.0.0.0:3307->3306/tcp, [::]:3307->3306/tcp mysql-slave
17cd15ceec9f mysql:5.7 "docker-entrypoint.s…" 31 minutes ago Up 31 minutes 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql-master
▷▷ MySQL从节点配置
[root@server ~]# vi /opt/mysql-slave/conf/my.cnf
[client]
default-character-set=utf8
[mysql]
default-character-set=utf8
[mysqld]
init_connect='SET collation_connection = utf-8_unicode_ci'
init_connect='SET NAMES utf8'
character-set-server=utf8
collation-server=utf8_unicode_ci
skip-character-set-client-handshake
skip-name-resolve
server_id=2
log-bin=mysql-bin
read-only=0
binlog-do-db=kubemsb_test
replicate-ignore-db=mysql
replicate-ignore-db=sys
replicate-ignore-db=information_schema
replicate-ignore-db=performance_schema
▷ master节点配置
[root@server ~]# mysql -h 192.168.10.20 -uroot -proot -P 3306
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.44 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MySQL [(none)]> grant replication slave on *.* to 'backup'@'%' identified by '123456';
Query OK, 0 rows affected, 1 warning (0.002 sec)
[root@server ~]# docker restart mysql-master
mysql-master
[root@server ~]# mysql -h 192.168.10.20 -uroot -proot -P 3306
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.44-log MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MySQL [(none)]> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000001
Position: 154
Binlog_Do_DB: kubemsb_test
Binlog_Ignore_DB:
Executed_Gtid_Set:
1 row in set (0.000 sec)
这样master就配置好了。
▷ slave节点配置
[root@server ~]# docker restart mysql-slave
mysql-slave
[root@server ~]# mysql -h 192.168.10.20 -uroot -proot -P 3307
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.44-log MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MySQL [(none)]>
MySQL [(none)]> change master to master_host='mysql-master', master_user='backup',
-> master_password='123456',
-> master_log_file='mysql-bin.000001',
-> master_log_pos=154,
-> master_port=3306;
Query OK, 0 rows affected, 2 warnings (0.010 sec)
MySQL [(none)]> start slave;
Query OK, 0 rows affected (0.003 sec)
MySQL [(none)]> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: mysql-master
Master_User: backup
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 431
Relay_Log_File: b0a01ee0fafa-relay-bin.000002
Relay_Log_Pos: 597
Relay_Master_Log_File: mysql-bin.000001
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB: mysql,sys,information_schema,performance_schema
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: 431
Relay_Log_Space: 811
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: 1
Master_UUID: 21a1ce85-92c9-11ef-9a19-0242ac110002
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 (0.001 sec)
从上面中 show slave status\G 就可以看到两个 Yes，这就说明成功了。
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
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