Configuring multiple management nodes
Every MySQL Cluster must have a management node to start and also to carry out critical tasks such as allowing other nodes to restart, running online backups, and monitoring the status of the cluster. The previous chapter demonstrated how to build a MySQL Cluster with just one management node for simplicity. However, it is strongly recommended for a production cluster to ensure that a management node is always available, and this requires more than one management node. In this recipe, we will discuss the minor complications that more than one management node will bring before showing the configuration of a new cluster with two management nodes. Finally, the modification of an existing cluster to add a second ...
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