Harvester supports adding hot-plug volumes to a running VM.
Currently, KubeVirt only supports disk bus
scsi for hot-plug volumes. For more information, see this issue.
Adding Hot-Plug Volumes to a Running VM
The following steps assume that you have a running VM and a ready volume:
Go to the Virtual Machines page.
Find the VM that you want to add a volume to and select ⋮ > Add Volume.
Enter the Name and select the Volume.