diff --git a/clusters/fixed-1.yaml b/clusters/fixed-1.yaml
index 5f3a8f992..8ec132330 100644
--- a/clusters/fixed-1.yaml
+++ b/clusters/fixed-1.yaml
@@ -1,2 +1,2 @@
 roles:
-- [mon.a, mon.b, mon.c, osd.0, osd.1, osd.2, client.0]
+- [mon.a, mon.b, mon.c, mds.a, osd.0, osd.1, osd.2, client.0]