GeanJair commented on PR #13226:
URL: https://github.com/apache/cloudstack/pull/13226#issuecomment-4877249199

   Hello, @weizhouapache
   
   When scaling k8s clusters with the dynamic scaling setting disabled, the 
following error message is returned, regardless of the hypervisor in use:
   
   <details>
   
   <summary>Error message returned when dynamic scaling is disabled</summary>
   
   
![error-message-1](https://github.com/user-attachments/assets/ca93080b-8cda-4740-8d14-6a486462359c)
   
   </details>
   
   ---
   
   When a k8s cluster is created and the dynamic scaling is disabled, the 
metadata of the k8s cluster's VMs will indicate they are not dynamically 
scalable. As a consequence of that, regardless of the hypervisor, after 
enabling dynamic scaling, it will be required to mark the instances as 
dynamically scalable as well. Specially for KVM, there is another required 
step, that consists in stopping and starting the VMs so that their domains are 
recreated with the required structure for live scaling (see #12908 for more 
details). The image below demonstrates the error message returned when a 
scaling operation is attempted for the k8s cluster, but the domains are not 
prepared for it.
   
   <details>
   
   <summary>Error message returned when trying to scale a k8s cluster with 
unprepared KVM domains</summary>
   
   
![error-message-2](https://github.com/user-attachments/assets/a003e7cf-ad2e-4aee-95d8-f03c020b6bc2)
   
   </details>
   


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