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Description of problem: When trying to change the properties of a cluster's scheduling properties, in vm_evenly_distributed (other cases may lead to similar issue), choosing inappropriate values lead to a red border around the bad value, but with NO indication of what is wrong. Version-Release number of selected component (if applicable): 4.0.5.5 How reproducible: Always Steps to Reproduce: 1. Edit the cluster scheduling properties 2. Choose vm_evenly_distributed policy 3. Enter 4, 2, 1 for the three settings 4. Try to validate by pressing OK Actual results: A red border highlights the MigrationThreshold value, with no indication of the issue, and one cannot save these values. Expected results: One should be informed of what is wrong. One has to locate and read a quite complex documentation about scheduling to understand the issue. There should be a way to warn the user. Additional info: In 3.6.x, this issue was the same (lack of information). But I note that these exact same values were accepted.
Created attachment 1229026 [details] Tooltip example There's a tool tip which provides you the needed information. It's consistent with other field validation in the GUI.