How to change flavor for existing Virtual machine.

Creating a Virtual Machine

1. To create a new Virtual Machine from the Advanced Panel.
2. Once created, the Virtual Machine will appear under the Virtual Machines section.

Accessing the Flavor Settings

1. Click on the name of the Virtual Machine you want to modify. A new window will open.
2. Navigate to the Flavor section.
3. Click the pencil icon to edit the flavor.

Note:
To change the flavor without shutting down the Virtual Machine, CPU and RAM hot plug must be enabled.
If hot plug is not enabled, you must power off the Virtual Machine before changing its flavor.

After clicking the pencil icon, select the desired flavor from the available options.

Click Done to apply the changes.

You will see the below changes

Flavor upgraded from a.gp1.4g (1 vCPU, 4 GiB RAM) to a.cpu1.4g (2 vCPU, 4 GiB RAM)

Enabling CPU and RAM Hot Plug

To enable hot plug functionality, follow these steps:

1. Ensure the Virtual Machine is powered off.
2. Go to the CPU and RAM Hot Plug section.
3. Click the pencil icon to edit the settings.
   

4. Check the box labeled Enable Hot Plug.

5. Click the checkmark icon to save the changes.

Once hot plug is enabled, you will be able to change the flavor without stopping the Virtual Machine.