diff --git a/service/controller.go b/service/controller.go
index 9e3e5162..9a007d06 100644
--- a/service/controller.go
+++ b/service/controller.go
@@ -2254,6 +2254,10 @@ func valVolumeCaps(
 			break
 		case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER:
 			break
+		case csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER:
+			break
+		case csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER:
+			break
 		case csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY:
 			break
 		case csi.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY:
@@ -2430,6 +2434,13 @@ func (s *service) ControllerGetCapabilities(
 					},
 				},
 			},
+			{
+				Type: &csi.ControllerServiceCapability_Rpc{
+					Rpc: &csi.ControllerServiceCapability_RPC{
+						Type: csi.ControllerServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
+					},
+				},
+			},
 		},
 	}, nil
 }
diff --git a/service/mount.go b/service/mount.go
index 3d453b8e..91c3481b 100644
--- a/service/mount.go
+++ b/service/mount.go
@@ -376,7 +376,9 @@ func handlePrivFSMount(
 			return status.Errorf(codes.Internal, "error performing private mount: %s", err.Error())
 		}
 		return nil
-	} else if accMode.GetMode() == csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER {
+	} else if (accMode.GetMode() == csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER) ||
+		(accMode.GetMode() == csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER) ||
+		(accMode.GetMode() == csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER) {
 		if err := gofsutil.FormatAndMount(formatCtx, sysDevice.FullPath, privTgt, fs, mntFlags...); err != nil {
 			return status.Errorf(codes.Internal, "error performing private mount: %s", err.Error())
 		}
@@ -663,7 +665,9 @@ func validateVolumeCapability(volCap *csi.VolumeCapability, readOnly bool) (bool
 		switch accMode.GetMode() {
 		case csi.VolumeCapability_AccessMode_UNKNOWN:
 			return true, mntVol, accMode, "", status.Error(codes.InvalidArgument, "Unknown Access Mode")
-		case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER:
+		case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
+			csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER,
+			csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER:
 		case csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY:
 		case csi.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY:
 			multiAccessFlag = "ro"
@@ -681,7 +685,9 @@ func validateVolumeCapability(volCap *csi.VolumeCapability, readOnly bool) (bool
 		switch accMode.GetMode() {
 		case csi.VolumeCapability_AccessMode_UNKNOWN:
 			return false, mntVol, accMode, "", status.Error(codes.InvalidArgument, "Unknown Access Mode")
-		case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER:
+		case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
+			csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER,
+			csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER:
 		case csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY:
 		case csi.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY:
 			multiAccessFlag = "ro"
@@ -697,10 +703,13 @@ func validateVolumeCapability(volCap *csi.VolumeCapability, readOnly bool) (bool
 	return isBlock, mntVol, accMode, multiAccessFlag, nil
 }
 
-// singleAccessMode returns true if only a single access is allowed SINGLE_NODE_WRITER or SINGLE_NODE_READER_ONLY
+// singleAccessMode returns true if only a single access is allowed SINGLE_NODE_WRITER, SINGLE_NODE_SINGLE_WRITER,
+// SINGLE_NODE_MULTI_WRITER or SINGLE_NODE_READER_ONLY
 func singleAccessMode(accMode *csi.VolumeCapability_AccessMode) bool {
 	switch accMode.GetMode() {
-	case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER:
+	case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
+		csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER,
+		csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER:
 		return true
 	case csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY:
 		return true
diff --git a/service/node.go b/service/node.go
index 2cbbb433..65f6fd55 100644
--- a/service/node.go
+++ b/service/node.go
@@ -740,6 +740,13 @@ func (s *service) NodeGetCapabilities(
 					},
 				},
 			},
+			{
+				Type: &csi.NodeServiceCapability_Rpc{
+					Rpc: &csi.NodeServiceCapability_RPC{
+						Type: csi.NodeServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
+					},
+				},
+			},
 		},
 	}, nil
 }
diff --git a/service/storage_group_svc.go b/service/storage_group_svc.go
index 0b81e43b..d973d160 100644
--- a/service/storage_group_svc.go
+++ b/service/storage_group_svc.go
@@ -518,6 +518,8 @@ func (g *storageGroupSvc) addVolumeToSGMVVolumeCheck(ctx context.Context, client
 	}
 	switch am.Mode {
 	case csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
+		csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER,
+		csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER,
 		csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY:
 		// Check if the volume is already mapped to some host
 		if vol.NumberOfFrontEndPaths > 0 {