This procedure creates two clusters: one for the server nodes and one for configuration database nodes. The nodes in the server cluster point to the servers in the configuration database cluster for their configuration data. The nodes in the configuration database cluster replicate their data between each other.
The following diagram illustrates this installation scenario:
To install a separate database repository, you first install the configuration database on servers in a cluster, then install the server on nodes in a separate cluster. At least one configuration database must be running before you can install the server.
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You can specify multiple comma-separated IP addresses. You should specify multiple seed nodes so that if one is down others can be used to allow the node to join the cluster. The node will attempt to access each seed node in the order listed. If none of the seed nodes can be reached, the node will not join the cluster.