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5.3.4.3. Minimum resource requirements
Each cluster machine must meet the following minimum requirements:
| Machine | Operating System | vCPU [1] | Virtual RAM | Storage |
|---|---|---|---|---|
| Bootstrap | RHCOS | 4 | 16 GB | 120 GB |
| Control plane | RHCOS | 4 | 16 GB | 120 GB |
| Compute | RHCOS or RHEL 7.8 - 7.9 | 2 | 8 GB | 120 GB |
- 1 vCPU is equivalent to 1 physical core when simultaneous multithreading (SMT), or hyperthreading, is not enabled. When enabled, use the following formula to calculate the corresponding ratio: (threads per core × cores) × sockets = vCPUs.