diff --git a/ansible/group_vars/all b/ansible/group_vars/all
index 48c6de85a9d9c173212b1047e5d7d4b3a1806313..d11412dfe15d25dc0263e2876cf883346e09d519 100644
--- a/ansible/group_vars/all
+++ b/ansible/group_vars/all
@@ -30,8 +30,8 @@
 # nfs_mounts related
   use_autofs: false
   mount_points:
-    - { "src": "master:/gpfs4", "path": "/gpfs4", "opts": "rw,sync,hard" }
-    - { "src": "master:/gpfs5", "path": "/gpfs5", "opts": "rw,sync,hard" }
+    - { "src": "master:/gpfs4", "path": "/gpfs4", "opts": "ro,sync,hard" }
+    - { "src": "master:/gpfs5", "path": "/gpfs5", "opts": "ro,sync,hard" }
 
 #SSH Host Keys
   S3_ENDPOINT: ""