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Re: Error reconnecting to master in show status for DB replication master to master
Posted by: Peter Brawley
Date: August 05, 2020 09:45PM

> I also test remove login

Please explain.

> I am not sure if it effect to data sync from DC to DR.

Cloudy alphabet soup. DC=data centre, DC=disaster recovery, or something else? And what's "it"? And what effect does this refer to?

This is master-master replication using the setup described at https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-multi-source.html ? If so, I probably can't help.

I know no magic for sussing out connection errors. Anything that can go wrong, will.

What happens with ...

mysql -uSLAVEUSER -p -hMASTERIP -P 3306

.. substituting your slave usernamne for SLAVEUSER and your master's IP address for MASTERIP?

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