Merge pull request #37145 from Kartik494/controllermanaged

Register and document volumes.kubernetes.io/controller-managed-attach-detach annotation

Author: k8s-ci-robot

content/en/docs/reference/labels-annotations-taints/_index.md

@@ -393,6 +393,19 @@ Used on: PersistentVolumeClaim
 
 This annotation will be added to dynamic provisioning required PVC.
 
+### volumes.kubernetes.io/controller-managed-attach-detach
+
+Used on: Node
+
+If a node has set the annotation `volumes.kubernetes.io/controller-managed-attach-detach`
+on itself, then its storage attach and detach operations are being managed
+by the _volume attach/detach_
+{{< glossary_tooltip text="controller" term_id="controller" >}} running within the
+{{< glossary_tooltip term_id="kube-controller-manager" text="kube-controller-manager" >}}.
+
+The value of the annotation isn't important; if this annotation exists on a node,
+then storage attaches and detaches are controller managed.
+
 ### node.kubernetes.io/windows-build {#nodekubernetesiowindows-build}
 
 Example: `node.kubernetes.io/windows-build: "10.0.17763"`