Home > Workload Solutions > Container Platforms > Red Hat OpenShift Container Platform > Guides > Implementation Guide—Red Hat OpenShift Container Platform 4.12 on Intel-powered Dell Infrastructure > Scaling up the cluster
You can add compute nodes to scale up an OpenShift cluster that you installed using Assisted Installer.
Ensure that:
If the DNS is hosted on the CSAH node, update the /var/named/<zone> file, and then run the following command to restart the named service:
systemctl restart named
To expand an existing cluster:
For a static network configuration, select static host network configuration.
After a few minutes, the host is discovered and displayed on the Assisted Installer portal.
The node status on the Assisted Installer portal changes to Installed. After a few minutes, the node joins the cluster.
oc get csr -o name | xargs oc adm certificate approve
oc get nodes