Refresh Kubernetes Guide 💪

manuscript/kubernetes/persistence/index.md

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+# Persistence
+
+So we've gone as far as we can with our cluster, without any form of persistence. As soon as we want to retain data, be it a database, metrics history, or objects, we need one or more ways to persist data within the cluster.
+
+Here are some popular options, ranked in difficulty/complexity, in vaguely ascending order:
+
+* [Local Path Provisioner](/kubernetes/persistence/local-path-provisioner/) (on k3s)
+* [TopoLVM](/kubernetes/persistence/topolvm/)
+* OpenEBS (coming soon)
+* Rook Ceph (coming soon)
+* Longhorn (coming soon)