it is possible to schedule specific set of node with taint and tollerations instead of nodeSelector like in this example https://longhorn.io/kb/tip-only-use-storage-on-a-set-of-nodes/

kind: StorageClass
apiVersion: <http://storage.k8s.io/v1|storage.k8s.io/v1>
metadata:
  name: my-longhorn-sc
...
parameters:
...
  nodeSelector: "storage"

?

Could you elaborate more about your goal?

I want to create a 3xnode for just storage with taints without any running pods (except system pods like CNI/kube-proxy) to avoid inacessible data I just have 3 nodes with large disks and the rest of nodes have a quite small disks mayby longhorn can be do it in simpler way? @famous-journalist-11332