MySQL 8.0.18使用clone plugin重建MGR的实现
时间:2019-12-22来源:系统城作者:电脑系统城
假设三节点MGR某个节点异常,需要重新把这个节点加入到MGR集群中,具体操作过程如下:
贡献者端执行(192.168.1.11)
- DROP USER 'donor_clone_user'@'192.168.1.12';
- CREATE USER 'donor_clone_user'@'192.168.1.12' IDENTIFIED BY 'password';
- GRANT BACKUP_ADMIN on *.* to 'donor_clone_user'@'192.168.1.12';
- INSTALL PLUGIN clone SONAME 'mysql_clone.so';
接收者端执行(192.168.1.12)
- DROP USER 'recipient_clone_user'@'192.168.1.12';
- CREATE USER 'recipient_clone_user'@'192.168.1.12' IDENTIFIED BY 'password';
- GRANT CLONE_ADMIN on *.* to 'recipient_clone_user'@'192.168.1.12';
- INSTALL PLUGIN clone SONAME 'mysql_clone.so';
- SET GLOBAL clone_valid_donor_list = '192.168.1.11:3311';
- exit
- mysql -urecipient_clone_user -ppassword -h 192.168.1.12 -P3311
- CLONE INSTANCE FROM 'donor_clone_user'@'192.168.1.11':3311 IDENTIFIED BY 'password';
- exit
- mysql -uroot -p
- start group_replication;
- select * from performance_schema.replication_group_members;
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