Cluster monitoring provides aspects of monitoring needed in high availability setups. There is a special class of object in NetXMS - Cluster.
DCIs defined on cluster object are automatically applied to it’s nodes. Cluster allows to aggregate data from it’s nodes, e.g. to calculate sum or average for a metric that is collected from all nodes. Cluster can adequately collect data from services as they move from from one node to another, providing uninterrupted data collection.