diff --git a/pkg/controller/persistentvolume/persistentvolume_claim_binder_controller.go b/pkg/controller/persistentvolume/persistentvolume_claim_binder_controller.go
index 35e8994c5ef..12de9f0177c 100644
--- a/pkg/controller/persistentvolume/persistentvolume_claim_binder_controller.go
+++ b/pkg/controller/persistentvolume/persistentvolume_claim_binder_controller.go
@@ -243,6 +243,7 @@ func syncVolume(volumeIndex *persistentVolumeOrderedIndex, binderClient binderCl
 			case err != nil && !errors.IsNotFound(err):
 				return fmt.Errorf("Error getting PersistentVolumeClaim[%s/%s]: %v", volume.Spec.ClaimRef.Namespace, volume.Spec.ClaimRef.Name, err)
 			case errors.IsNotFound(err) || (claim != nil && claim.UID != volume.Spec.ClaimRef.UID):
+				glog.V(5).Infof("PersistentVolume[%s] has a claim ref to a claim which does not exist", volume.Name)
 				if volume.Spec.PersistentVolumeReclaimPolicy == api.PersistentVolumeReclaimRecycle {
 					// Pending volumes that have a ClaimRef where the claim is missing were recently recycled.
 					// The Recycler set the phase to VolumePending to start the volume at the beginning of this lifecycle.
@@ -255,6 +256,7 @@ func syncVolume(volumeIndex *persistentVolumeOrderedIndex, binderClient binderCl
 					if !ok {
 						return fmt.Errorf("Unexpected pv cast error : %v\n", volumeClone)
 					}
+					glog.V(5).Infof("PersistentVolume[%s] is recently recycled; remove claimRef.", volume.Name)
 					volumeClone.Spec.ClaimRef = nil
 
 					if updatedVolume, err := binderClient.UpdatePersistentVolume(volumeClone); err != nil {