diff --git a/e2e/brickmux_test.go b/e2e/brickmux_test.go
index 5905748dc..0562c0a0f 100644
--- a/e2e/brickmux_test.go
+++ b/e2e/brickmux_test.go
@@ -27,12 +27,11 @@ func TestBrickMux(t *testing.T) {
 	r.Nil(err)
 	r.NotNil(client)
 
-	// Turn on brick mux cluster option
 	optReq := api.ClusterOptionReq{
-		Options: map[string]string{"cluster.brick-multiplex": "on"},
+		Options: map[string]string{"cluster.brick-multiplex": "invalidValue"},
 	}
 	err = client.ClusterOptionSet(optReq)
-	r.Nil(err)
+	r.NotNil(err)
 
 	// Create a 1 x 3 volume
 	var brickPaths []string
diff --git a/e2e/glustershd_test.go b/e2e/glustershd_test.go
index d61d89694..751718250 100644
--- a/e2e/glustershd_test.go
+++ b/e2e/glustershd_test.go
@@ -30,7 +30,7 @@ func testSelfHeal(t *testing.T, tc *testCluster) {
 	//glustershd pid file path
 	pidpath := path.Join(tc.gds[0].Rundir, "glustershd.pid")
 
-	for i := 1; i <= 2; i++ {
+	for i := 1; i <= 4; i++ {
 		brickPath := testTempDir(t, "brick")
 		brickPaths = append(brickPaths, brickPath)
 	}
@@ -39,11 +39,12 @@ func testSelfHeal(t *testing.T, tc *testCluster) {
 		Name: volname,
 		Subvols: []api.SubvolReq{
 			{
-				ReplicaCount: 2,
+				ReplicaCount: 3,
 				Type:         "replicate",
 				Bricks: []api.BrickReq{
 					{PeerID: tc.gds[0].PeerID(), Path: brickPaths[0]},
-					{PeerID: tc.gds[0].PeerID(), Path: brickPaths[1]},
+					{PeerID: tc.gds[1].PeerID(), Path: brickPaths[1]},
+					{PeerID: tc.gds[2].PeerID(), Path: brickPaths[2]},
 				},
 			},
 		},
@@ -72,14 +73,6 @@ func testSelfHeal(t *testing.T, tc *testCluster) {
 	getBricksStatus, err := client.BricksStatus(volname)
 	r.Nil(err, fmt.Sprintf("brick status operation failed: %s", err))
 	count := 0
-	for brick := range getBricksStatus {
-		if getBricksStatus[brick].Info.PeerID.String() == tc.gds[0].PeerID() {
-			count++
-		}
-	}
-
-	r.Equal(count, 2)
-
 	for brick := range getBricksStatus {
 		if getBricksStatus[brick].Info.PeerID.String() == tc.gds[0].PeerID() {
 			process, err := os.FindProcess(getBricksStatus[brick].Pid)
diff --git a/e2e/volume_ops_test.go b/e2e/volume_ops_test.go
index b028b8957..5cae2b6dc 100644
--- a/e2e/volume_ops_test.go
+++ b/e2e/volume_ops_test.go
@@ -38,7 +38,7 @@ func TestVolume(t *testing.T) {
 
 	r := require.New(t)
 
-	tc, err := setupCluster(t, "./config/1.toml", "./config/2.toml")
+	tc, err := setupCluster(t, "./config/1.toml", "./config/2.toml", "./config/3.toml")
 	r.Nil(err)
 	defer teardownCluster(tc)
 
diff --git a/glusterd2/brickmux/option.go b/glusterd2/brickmux/option.go
index 2d6c4dabe..2df4e67e0 100644
--- a/glusterd2/brickmux/option.go
+++ b/glusterd2/brickmux/option.go
@@ -45,13 +45,18 @@ func getMaxBricksPerProcess() (int, error) {
 
 // validateOption validates brick mux options
 func validateOption(option, value string) error {
+	if option == "cluster.brick-multiplex" {
+		_, err := options.StringToBoolean(value)
+		if err != nil {
+			return err
+		}
+	}
 	if option == "cluster.max-bricks-per-process" {
 		_, err := strconv.Atoi(value)
 		if err != nil {
 			return errors.ErrInvalidIntValue
 		}
 	}
-
 	return nil
 }
 
diff --git a/glusterd2/options/cluster.go b/glusterd2/options/cluster.go
index c4d05adf5..fe5c3bee8 100644
--- a/glusterd2/options/cluster.go
+++ b/glusterd2/options/cluster.go
@@ -30,7 +30,7 @@ var ClusterOptMap = map[string]*ClusterOption{
 	"cluster.shared-storage":         {"cluster.shared-storage", "off", OptionTypeBool, nil},
 	"cluster.op-version":             {"cluster.op-version", strconv.Itoa(gdctx.OpVersion), OptionTypeInt, nil},
 	"cluster.max-op-version":         {"cluster.max-op-version", strconv.Itoa(gdctx.OpVersion), OptionTypeInt, nil},
-	"cluster.brick-multiplex":        {"cluster.brick-multiplex", "off", OptionTypeBool, nil},
+	"cluster.brick-multiplex":        {"cluster.brick-multiplex", "on", OptionTypeBool, nil},
 	"cluster.max-bricks-per-process": {"cluster.max-bricks-per-process", "250", OptionTypeInt, nil},
 	"cluster.localtime-logging":      {"cluster.localtime-logging", "off", OptionTypeBool, nil},
 }