17.5.13. Adding MySQL Cluster Data Nodes Online

17.5.13.1. Adding MySQL Cluster Data Nodes Online: General Issues
17.5.13.2. Adding MySQL Cluster Data Nodes Online: Basic procedure
17.5.13.3. Adding MySQL Cluster Data Nodes Online: Detailed Example

This section describes how to add MySQL Cluster data nodes "online"—that is, without needing to shut down the cluster completely and restart it as part of the process.

Important

Currently, you must add new data nodes to a MySQL Cluster as part of a new node group. In addition, it is not possible to change the number of replicas (or the number of nodes per node group) online.