High Availability in Argo CD
When single node is disabled, Argo CD is configured to have Horizontal Pod Autoscaler (HPA) for autoscaling with two minimum replicas and a Pod Disruption Budget (PDB) to facilitate availability during node replacement. Note that Argo CD requires at least three different nodes and does not support IPv6 only clusters. For more information, please see the official Argo CD documentation on high availability.