Add new node in Cluster


I have configured extraDB cluster one datacenter. Please let us know how can add new server into extraDB cluster.


If you initialized the first PXC node, so it’s standalone primary node, then adding new nodes is very simple. On a new node, you just specify the existing node’s IP in this variable:


Then full SST will copy data from existing node to a new node, eventually making both nodes identical.
Once all machines are joined into a cluster, then add all the IPs in the my.cnf on each node:


You can find more info here: