diff --git a/modules/cloudbeta/modules/resource-manager/pages/workspaces/writeread_readonly.adoc b/modules/cloudbeta/modules/resource-manager/pages/workspaces/writeread_readonly.adoc
index 887fe20b..02780356 100644
--- a/modules/cloudbeta/modules/resource-manager/pages/workspaces/writeread_readonly.adoc
+++ b/modules/cloudbeta/modules/resource-manager/pages/workspaces/writeread_readonly.adoc
@@ -24,6 +24,25 @@ Read-only workspaces provide improved performance and scalability for read opera
 Current RO workspace requires manual sync up with the RW workspace to catch up with the latest change.
 ====
 
+=== Block write operations in RO cluster
+
+In RO cluster, the following operations are forbidden:
+
+1. run write queries
+2. create/drop graph
+3. update schema (add/update/drop), create/drop/run schema change job
+4. update data (insert/update/delete)
+5. backup/restore
+6. export/import
+7. drop all
+8. clear graph store
+9. rebuild
+10. gadmin/gsql reset
+11. create/delete/run loading job
+12. create/update datasource 
+13. create/delete/pause/restart/resume connector
+
+
 === Update Read-Only(RO) Workspace
 
 Once a Read-Only (RO) workspace is created, it also creates a snapshot of the data.