2 - Control the values.xml, the clustertype variable is not present in the file and in the Console.
Cause type: By design Root Cause: N/A
Indeed, The variable UNI_INST_CLUSTER "Type of Cluster Installation" is historical information to the product and can not be handled correctly because the values.xml file is unique to the installation. It remains optional.
The secondary installation is mandatory.
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Please find the documentation for more details below :