When adding a new slave, one would first have to add a new host using the ‘Host Management’ tab.
This allows ClusterControl™ to provision the new host with a management agent.
A Slave can be then added by using the ‘Scale’ tab. The new host can be selected to commission the new slave.
If you are using the etc/hosts file to resolve hostnames, it is important to keep the file updated on all hosts.
The hostname of the new slave should be added to the etc/hosts file on ClusterControl server, the Backup Master as well as the Master.
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