I'm not sure of the current status, but I believe the mechanism would be to label nodes with rack information. You'd then be able to specify anti-affinity const

I'm not sure of the current status, but I believe the mechanism would be to label nodes with rack information. You'd then be able to specify anti-affinity constraints based on those labels that would be taken into account by the scheduler. Edit: browsing issues briefly, I don't think this functionality is available just yet. Discussion of node selectors: https://github.com/kubernetes/kubernetes/issues/341#issuecomment-154663349 https://github.com/kubernetes/kubernetes/issues/341#issuecom... -