Merge pull request #28978 from foxish/patch-1

Automatic merge from submit-queue Added instructions on turning on dynamic provisioning for testing. HostPath volumes are not automatically provisioned unless we pass in `--enable-hostpath-provisioner` to the controller manager. This was not mentioned in the docs previously, leading to questions like [this](https://groups.google.com/forum/#!searchin/kubernetes-dev/mysterious/kubernetes-dev/jVk_RgAkbaY/LRX7IuCEDQAJ).

Merge pull request #28978 from foxish/patch-1
3a305c1c · k8s-merge-robot · GitHub · e60df085 · 80d4800d · 3a305c1c
Commit 3a305c1c authored Jul 16, 2016 by k8s-merge-robot Committed by GitHub Jul 16, 2016
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README.md ...les/experimental/persistent-volume-provisioning/README.md +1 -2

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--- a/examples/experimental/persistent-volume-provisioning/README.md
+++ b/examples/experimental/persistent-volume-provisioning/README.md
@@ -51,8 +51,7 @@ There is no provisioner when running outside of any of those 3 cloud providers.
 A fourth provisioner is included for testing and development only.  It creates HostPath volumes,
 which will never work outside of a single node cluster. It is not supported in any way except for
-local for testing and development.
+local for testing and development. This provisioner may be used by passing `--enable-hostpath-provisioner=true` to the controller manager while bringing it up. When using the hack/local_up_cluster.sh script, this flag is turned off by default. It may be turned on by setting the environment variable `ENABLE_HOSTPATH_PROVISIONER` to true prior to running the script.
 ### User provisioning requests