forked from rook/rook
`cluster-on-local-pvc.yaml` doesn't work due to missing topologyKey. In addition, it's better to add the example of `topologySpreadConstraints` for K8s >= 1.18 users. Closes: https://github.com/rook/rook/issues/8478 Signed-off-by: Satoru Takeuchi <satoru.takeuchi@gmail.com>