1 files changed, 6 insertions, 4 deletions
diff --git a/go/topology/volume_layout.go b/go/topology/volume_layout.go
index 0791bed20..cd725c132 100644
--- a/go/topology/volume_layout.go
+++ b/go/topology/volume_layout.go
@@ -39,13 +39,15 @@ func (vl *VolumeLayout) RegisterVolume(v *storage.VolumeInfo, dn *DataNode) {
 }
 
 func (vl *VolumeLayout) isWritable(v *storage.VolumeInfo) bool {
-	return uint64(v.Size) < vl.volumeSizeLimit && v.Version == storage.CurrentVersion
+	return uint64(v.Size) < vl.volumeSizeLimit &&
+		v.Version == storage.CurrentVersion &&
+		!v.ReadOnly
 }
 
 func (vl *VolumeLayout) Lookup(vid storage.VolumeId) []*DataNode {
-  if location := vl.vid2location[vid]; location != nil {
-    return location.list
-  }
+	if location := vl.vid2location[vid]; location != nil {
+		return location.list
+	}
 	return nil
 }