diff --git a/pkg/apis/core/helper/helpers.go b/pkg/apis/core/helper/helpers.go
index d58e87bc234..f61166ce127 100644
--- a/pkg/apis/core/helper/helpers.go
+++ b/pkg/apis/core/helper/helpers.go
@@ -303,7 +303,7 @@ func IsStandardFinalizerName(str string) bool {
 }
 
 // GetAccessModesAsString returns a string representation of an array of access modes.
-// modes, when present, are always in the same order: RWO,ROX,RWX.
+// modes, when present, are always in the same order: RWO,ROX,RWX,RWOP.
 func GetAccessModesAsString(modes []core.PersistentVolumeAccessMode) string {
 	modes = removeDuplicateAccessModes(modes)
 	modesStr := []string{}
@@ -316,6 +316,9 @@ func GetAccessModesAsString(modes []core.PersistentVolumeAccessMode) string {
 	if ContainsAccessMode(modes, core.ReadWriteMany) {
 		modesStr = append(modesStr, "RWX")
 	}
+	if ContainsAccessMode(modes, core.ReadWriteOncePod) {
+		modesStr = append(modesStr, "RWOP")
+	}
 	return strings.Join(modesStr, ",")
 }
 
@@ -332,6 +335,8 @@ func GetAccessModesFromString(modes string) []core.PersistentVolumeAccessMode {
 			accessModes = append(accessModes, core.ReadOnlyMany)
 		case s == "RWX":
 			accessModes = append(accessModes, core.ReadWriteMany)
+		case s == "RWOP":
+			accessModes = append(accessModes, core.ReadWriteOncePod)
 		}
 	}
 	return accessModes
diff --git a/pkg/apis/core/helper/helpers_test.go b/pkg/apis/core/helper/helpers_test.go
index 86c47e01bc1..de487d241f8 100644
--- a/pkg/apis/core/helper/helpers_test.go
+++ b/pkg/apis/core/helper/helpers_test.go
@@ -100,12 +100,29 @@ func TestGetAccessModesFromString(t *testing.T) {
 	}
 
 	modes = GetAccessModesFromString("RWO,ROX,RWX")
+	if !ContainsAccessMode(modes, core.ReadWriteOnce) {
+		t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOnce, modes)
+	}
 	if !ContainsAccessMode(modes, core.ReadOnlyMany) {
 		t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
 	}
 	if !ContainsAccessMode(modes, core.ReadWriteMany) {
 		t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
 	}
+
+	modes = GetAccessModesFromString("RWO,ROX,RWX,RWOP")
+	if !ContainsAccessMode(modes, core.ReadWriteOnce) {
+		t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOnce, modes)
+	}
+	if !ContainsAccessMode(modes, core.ReadOnlyMany) {
+		t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
+	}
+	if !ContainsAccessMode(modes, core.ReadWriteMany) {
+		t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
+	}
+	if !ContainsAccessMode(modes, core.ReadWriteOncePod) {
+		t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOncePod, modes)
+	}
 }
 
 func TestRemoveDuplicateAccessModes(t *testing.T) {
diff --git a/pkg/apis/core/v1/helper/helpers.go b/pkg/apis/core/v1/helper/helpers.go
index 372aaa064ad..1a7aa4458f3 100644
--- a/pkg/apis/core/v1/helper/helpers.go
+++ b/pkg/apis/core/v1/helper/helpers.go
@@ -170,7 +170,7 @@ func ingressEqual(lhs, rhs *v1.LoadBalancerIngress) bool {
 }
 
 // GetAccessModesAsString returns a string representation of an array of access modes.
-// modes, when present, are always in the same order: RWO,ROX,RWX.
+// modes, when present, are always in the same order: RWO,ROX,RWX,RWOP.
 func GetAccessModesAsString(modes []v1.PersistentVolumeAccessMode) string {
 	modes = removeDuplicateAccessModes(modes)
 	modesStr := []string{}
@@ -183,6 +183,9 @@ func GetAccessModesAsString(modes []v1.PersistentVolumeAccessMode) string {
 	if ContainsAccessMode(modes, v1.ReadWriteMany) {
 		modesStr = append(modesStr, "RWX")
 	}
+	if ContainsAccessMode(modes, v1.ReadWriteOncePod) {
+		modesStr = append(modesStr, "RWOP")
+	}
 	return strings.Join(modesStr, ",")
 }
 
@@ -199,6 +202,8 @@ func GetAccessModesFromString(modes string) []v1.PersistentVolumeAccessMode {
 			accessModes = append(accessModes, v1.ReadOnlyMany)
 		case s == "RWX":
 			accessModes = append(accessModes, v1.ReadWriteMany)
+		case s == "RWOP":
+			accessModes = append(accessModes, v1.ReadWriteOncePod)
 		}
 	}
 	return accessModes
diff --git a/pkg/apis/core/v1/helper/helpers_test.go b/pkg/apis/core/v1/helper/helpers_test.go
index 77087386939..245f35b30dc 100644
--- a/pkg/apis/core/v1/helper/helpers_test.go
+++ b/pkg/apis/core/v1/helper/helpers_test.go
@@ -226,12 +226,29 @@ func TestGetAccessModesFromString(t *testing.T) {
 	}
 
 	modes = GetAccessModesFromString("RWO,ROX,RWX")
+	if !ContainsAccessMode(modes, v1.ReadWriteOnce) {
+		t.Errorf("Expected mode %s, but got %+v", v1.ReadWriteOnce, modes)
+	}
 	if !ContainsAccessMode(modes, v1.ReadOnlyMany) {
 		t.Errorf("Expected mode %s, but got %+v", v1.ReadOnlyMany, modes)
 	}
 	if !ContainsAccessMode(modes, v1.ReadWriteMany) {
 		t.Errorf("Expected mode %s, but got %+v", v1.ReadWriteMany, modes)
 	}
+
+	modes = GetAccessModesFromString("RWO,ROX,RWX,RWOP")
+	if !ContainsAccessMode(modes, v1.ReadWriteOnce) {
+		t.Errorf("Expected mode %s, but got %+v", v1.ReadWriteOnce, modes)
+	}
+	if !ContainsAccessMode(modes, v1.ReadOnlyMany) {
+		t.Errorf("Expected mode %s, but got %+v", v1.ReadOnlyMany, modes)
+	}
+	if !ContainsAccessMode(modes, v1.ReadWriteMany) {
+		t.Errorf("Expected mode %s, but got %+v", v1.ReadWriteMany, modes)
+	}
+	if !ContainsAccessMode(modes, v1.ReadWriteOncePod) {
+		t.Errorf("Expected mode %s, but got %+v", v1.ReadWriteOncePod, modes)
+	}
 }
 
 func TestRemoveDuplicateAccessModes(t *testing.T) {
diff --git a/staging/src/k8s.io/kubectl/pkg/util/storage/storage.go b/staging/src/k8s.io/kubectl/pkg/util/storage/storage.go
index 9c2194dd6a9..1f25cf1ab66 100644
--- a/staging/src/k8s.io/kubectl/pkg/util/storage/storage.go
+++ b/staging/src/k8s.io/kubectl/pkg/util/storage/storage.go
@@ -45,7 +45,7 @@ func IsDefaultAnnotationText(obj metav1.ObjectMeta) string {
 }
 
 // GetAccessModesAsString returns a string representation of an array of access modes.
-// modes, when present, are always in the same order: RWO,ROX,RWX.
+// modes, when present, are always in the same order: RWO,ROX,RWX,RWOP.
 func GetAccessModesAsString(modes []v1.PersistentVolumeAccessMode) string {
 	modes = removeDuplicateAccessModes(modes)
 	modesStr := []string{}
@@ -58,6 +58,9 @@ func GetAccessModesAsString(modes []v1.PersistentVolumeAccessMode) string {
 	if ContainsAccessMode(modes, v1.ReadWriteMany) {
 		modesStr = append(modesStr, "RWX")
 	}
+	if ContainsAccessMode(modes, v1.ReadWriteOncePod) {
+		modesStr = append(modesStr, "RWOP")
+	}
 	return strings.Join(modesStr, ",")
 }