readonly support for cassandra admin
diff --git a/planetstack/cassandra/admin.py b/planetstack/cassandra/admin.py
index 8cb6d9d..e736815 100644
--- a/planetstack/cassandra/admin.py
+++ b/planetstack/cassandra/admin.py
@@ -21,6 +21,8 @@
     inlines = [SliceInline,ServiceAttrAsTabInline]
 
     user_readonly_inlines = [SliceROInline, ServiceAttrAsTabROInline]
+    user_readonly_fields = ["name", "enabled", "versionNumber", "description", "clusterSize", "replicationFactor"]
+
     suit_form_tabs =(('general', 'Cassandra Service Details'),
         ('slices','Slices'),
         ('serviceattrs','Additional Attributes'),