Introduction to HA clusters in XCP-ng
![](https://eonea.pl/wp-content/uploads/xcp-ng-HA-miniatura-—-kopia.png)
HA in XCP-ng is the pooling of servers, enabling them to be managed as a whole and providing resilience to node failures. A minimum of three nodes is required for full redundancy and to avoid "split brain."
HA in XCP-ng is the pooling of servers, enabling them to be managed as a whole and providing resilience to node failures. A minimum of three nodes is required for full redundancy and to avoid "split brain."