Click Management → Configuration menu next to the controller for which you want to view information about nodes.This opens the controller configuration menu. By default, you are taken to the Controller nodes section, which displays a table of controller nodes. Information about controller nodes is displayed in the following columns of the table:
- Address is the IP address of the controller node.
- Node statuses is the status of controller nodes:
- Connected means the node is connected to the controller.
- Disconnected means the node is not connected to the controller.
- Unavailable means the node is not available.
- Unknown means the status of the node is unknown.
- Role in cluster is the role of the node in the cluster:
- Primary means the node is connected to the controller and is the primary node in the cluster.
- Secondary means the node is connected to the controller and is a secondary node in the cluster.
- Single means the node is connected to the controller and is the only node in the cluster.
- Arbiter means the node is the arbiter.
- Connected (transition) means the role of the node in the cluster is being changed.
- Not in cluster means the node is not added to a cluster.
- Unavailable means the node is not available.
- Unknown means the status of the node is unknown.
- Active gRPC read node indicates whether the node is selected as the priority node for read operations for the purposes of load balancing.
- gRPC port is the number of the gRPC port of the controller node.
- JGroups port is the JGroups port number of the controller node.
- Version is the version of the controller node software.
The actions that you can perform with the table are described in the Managing solution component tables article.