diff --git a/inventory/group_vars/odcs-backend b/inventory/group_vars/odcs-backend
index 8cf80bca68..b3337258fd 100644
--- a/inventory/group_vars/odcs-backend
+++ b/inventory/group_vars/odcs-backend
@@ -25,6 +25,9 @@ fedmsg_error_recipients:
 
 virt_install_command: "{{ virt_install_command_two_nic }}"
 
+# NOTE -- read-only mount of /mnt/fedora_koji here.
+nfs_mount_opts: "ro,hard,bg,intr,noatime,nodev,nosuid,nfsvers=3"
+
 # Neeed for rsync from log01 for logs.
 custom_rules: [ '-A INPUT -p tcp -m tcp -s 10.5.126.13 --dport 873 -j ACCEPT', '-A INPUT -p tcp -m tcp -s 192.168.1.59 --dport 873 -j ACCEPT' ]