A month ago, Kubernetes launched a beta for Local Persistent Volumes. In summary, it means that if a Pod using a local disk get killed, no data will be lost (let's ignore edge cases here). The secret is that a new Pod will be rescheduled to run on the same node, leveraging the disk which already exists there.
Of course, its downside is that we are tying our Pod to a specific node, but if we consider the time and effort spent on loading a copy of the data somewhere else, being able to leverage the same disk become a big advantage.
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