mysql主从复制命令执行过程
下文内容主要给大家带来MySQL主从复制命令执行过程,这里所讲到的知识,与书籍略有不同,都是创新互联专业技术人员在与用户接触过程中,总结出来的,具有一定的经验分享价值,希望给广大读者带来帮助。
站在用户的角度思考问题,与客户深入沟通,找到额济纳网站设计与额济纳网站推广的解决方案,凭借多年的经验,让设计与互联网技术结合,创造个性化、用户体验好的作品,建站类型包括:网站制作、做网站、企业官网、英文网站、手机端网站、网站推广、主机域名、虚拟空间、企业邮箱。业务覆盖额济纳地区。
我这里用docker镜像生成的两个容器,所以会导致主从复制失败:主从的uuid(UUID 是 通用唯一识别码)相同 。
mysql> stop slave;
Query OK, 0 rows affected (0.01 sec)
mysql> CHANGE MASTER TO MASTER_HOST='172.18.0.201',
-> MASTER_PORT=3306,
-> MASTER_USER='rep',
-> MASTER_PASSWORD='123',
-> MASTER_LOG_FILE='binlog.000003',
-> MASTER_LOG_POS=404;
Query OK, 0 rows affected, 2 warnings (0.05 sec)
mysql> start slave;
Query OK, 0 rows affected (0.01 sec)
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: 172.18.0.201
Master_User: rep
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: binlog.000003
Read_Master_Log_Pos: 404
Relay_Log_File: mysqld-relay-bin.000001
Relay_Log_Pos: 4
Relay_Master_Log_File: binlog.000003
Slave_IO_Running: No
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: 404
Relay_Log_Space: 120
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: NULL
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 1593
Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL s erver UUIDs; these UUIDs must be different for replication to work.
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID:
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 the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp: 190614 11:55:05
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.00 sec)
ERROR:
No query specified
mysql>
slave:
[root@e915630786b3 log]# cat /var/lib/mysql
mysql/ mysql-files/
[root@e915630786b3 log]# cat /var/lib/mysql/auto.cnf
[auto]
server-uuid=c9db6142-8bfd-11e9-b3b7-0242ac110002
master:
[root@3b7cfc77f2b8 /]# cat /var/lib/mysql/auto.cnf
[auto]
server-uuid=c9db6142-8bfd-11e9-b3b7-0242ac110002
slave:
[root@e915630786b3 log]# rm -rf /var/lib/mysql/auto.cnf
[root@e915630786b3 log]# systemctl restart mysql
[root@e915630786b3 log]# cat /var/lib/mysql/auto.cnf
[auto]
server-uuid=c6f8e6d0-8e9b-11e9-84c9-0242ac1200ca
重新执行一遍主从复制命令即可。
对于以上关于mysql主从复制命令执行过程,如果大家还有更多需要了解的可以持续关注我们创新互联的行业推新,如需获取专业解答,可在官网联系售前售后的,希望该文章可给大家带来一定的知识更新。
网站栏目:mysql主从复制命令执行过程
网页路径:http://pwwzsj.com/article/jdgdhh.html