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mysql-backup-restore-on-multiple-host-in-live-replication
Posted by: avik biswas
Date: March 04, 2021 04:47PM

MySQL database has 1 primary host which is replicating to 2 Read replicas

RR1
RR2
RR1 is master of RR11 RR12 RR13

RR2 is master of RR21 RR22 RR23

I have to make a schema change so I started schema change in RR13 by stopping replication. Then I made schema change, loaded data back & started replication. Its all working good.

Now I want to restore this host schema with Data to rest of everything. Can someone help me with the process? I was planning to do the same on RR12 RR11 but not sure how to do on master RR1 & the other branch hosts(RR2 branch hosts)

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