From 742f7a55c07086fcba632e582bb205f176f0b8f7 Mon Sep 17 00:00:00 2001
From: Andy Zhang <xiazhang@microsoft.com>
Date: Tue, 1 Jun 2021 11:44:29 +0800
Subject: [PATCH] Create README.md

---
 deploy/example/fsgroup/README.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 deploy/example/fsgroup/README.md

diff --git a/deploy/example/fsgroup/README.md b/deploy/example/fsgroup/README.md
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+++ b/deploy/example/fsgroup/README.md
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+# fsGroup Support
+
+[fsGroupPolicy](https://kubernetes-csi.github.io/docs/support-fsgroup.html) feature is supported from Kubernetes 1.20, default CSI driver installation does not have this feature, follow below steps to enable this feature.
+
+### Option#1: Enable fsGroupPolicy support in [driver helm installation](../../../charts)
+
+add `--set feature.enableFSGroupPolicy=true` in helm installation command.
+
+### Option#2: Enable fsGroupPolicy support on a cluster with CSI driver already installed
+
+```console
+kubectl delete CSIDriver nfs.csi.k8s.io
+cat <<EOF | kubectl create -f -
+apiVersion: storage.k8s.io/v1beta1
+kind: CSIDriver
+metadata:
+  name: nfs.csi.k8s.io
+spec:
+  attachRequired: false
+  volumeLifecycleModes:
+    - Persistent
+  fsGroupPolicy: File
+EOF
+```