OpenShift Container Platform base hardware requirements
The OpenShift Container Platform requirements include the requirements of Red Hat® Enterprise Linux® (RHEL) and IBM Cloud Pak® foundational services. When viewing the requirements for small, medium, and large productions, the OpenShift Container Platform are already included, but also provided here separately for your information.
Graphical representation of the requirements
This image represents the OpenShift Container Platform base hardware requirements. These requirements are detailed in the below sections.
Base cluster requirements
| Number of nodes | CPU per node | RAM per node | System disk per node | |
|---|---|---|---|---|
| OpenShift base requirements | 3 | 8 cores | 16 GB | 120 GB |
Requirements outside the cluster
| CPU | RAM | System disk | |
|---|---|---|---|
| Load balancer for OpenShift Container Platform | n/a | n/a | n/a |
| Bootstrap server (required temporarily during installation) | 4 cores | 16 GB | 80 GB |
| Bastion server (used for DCHP, DNS, NTP - and for hosting various files and tools that are used for provisioning the bootstrap server) | 6 cores | 24 GB | 250 GB |