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Bug
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Resolution: Unresolved
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Normal
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None
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4.18
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Quality / Stability / Reliability
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False
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Description of problem:
One can install a cluster with 3 control plane nodes, but only one worker node.
That is an unsupported config, as either 0 worker nodes (compact cluster) or 2 worker nodes are required. (see https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html-single/installing_on_bare_metal/index#installation-machine-requirements_installing-bare-metal)
A cluster with 1 worker nodes has infrastructureTopology of single, which can have unwanted side effects (e.g. component scaling, alerting)
Version-Release number of selected component (if applicable):
4.18
How reproducible:
always, see linked RFE
Steps to Reproduce:
install config with 3 control plane nodes, 1 worker node.
Actual results:
installation is successful
Expected results:
installation should fai
Additional info:
see linked RFE
- is triggered by
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RFE-6458 "Do you really mean to specify just one worker node?"
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- Closed
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