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MySQL 8.0.18使用clone plugin重建MGR的实现

作者:roidba  发布时间:2024-01-24 11:21:30 

标签:MySQL,clone,plugin,mgr

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;

来源:https://blog.51cto.com/roidba/2460606

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