Merge "Update doc with K8S requirements for persistence"
diff --git a/prereqs/kubernetes.md b/prereqs/kubernetes.md
index e840b38..996b60a 100644
--- a/prereqs/kubernetes.md
+++ b/prereqs/kubernetes.md
@@ -1,9 +1,22 @@
# Kubernetes
-CORD runs on any version of Kubernetes (1.9 or greater), and uses the
+CORD runs on any version of Kubernetes (1.10 or greater), and uses the
Helm client-side tool. If you are new to Kubernetes, we recommend
<https://kubernetes.io/docs/tutorials/> as a good place to start.
+Note: We are using a feature in kubernetes 1.10 to allow local persistence of data.
+This is a beta feature in K8S 1.10.x as of this writing and should be enabled by default.
+However, if it is not, you will need to enable it as a feature gate when
+launching kubernetes with the following feature gate settings:
+
+```shell
+PersistentLocalVolumes=true
+VolumeScheduling=true
+MountPropagation=true
+```
+
+More information about feature gates can be found [here](https://github.com/kubernetes-incubator/external-storage/tree/local-volume-provisioner-v2.0.0/local-volume#enabling-the-alpha-feature-gates).
+
Although you are free to set up Kubernetes and Helm in whatever way makes
sense for your deployment, the following provides guidelines, pointers, and
automated scripts that might be helpful.