diff --git a/tenants/acme/10-postgres.yaml b/tenants/acme/10-postgres.yaml
index a92d893..9483a23 100644
--- a/tenants/acme/10-postgres.yaml
+++ b/tenants/acme/10-postgres.yaml
@@ -26,7 +26,7 @@ metadata:
   name: postgres
   namespace: acme-prod
 spec:
-  replicas: 1
+  replicas: 0   # etapa 3 (06/10/2026): banco antigo fora do ar por 7 dias; voltar = 1
   selector:
     matchLabels:
       app: postgres
diff --git a/tenants/demo/10-postgres.yaml b/tenants/demo/10-postgres.yaml
index 18c7f70..1c7efc8 100644
--- a/tenants/demo/10-postgres.yaml
+++ b/tenants/demo/10-postgres.yaml
@@ -26,7 +26,7 @@ metadata:
   name: postgres
   namespace: demo-prod
 spec:
-  replicas: 1
+  replicas: 0   # etapa 3 (06/10/2026): banco antigo fora do ar por 7 dias; voltar = 1
   selector:
     matchLabels:
       app: postgres
diff --git a/tenants/piloto/10-postgres.yaml b/tenants/piloto/10-postgres.yaml
index 50c3692..9f3d2db 100644
--- a/tenants/piloto/10-postgres.yaml
+++ b/tenants/piloto/10-postgres.yaml
@@ -26,7 +26,7 @@ metadata:
   name: postgres
   namespace: piloto-prod
 spec:
-  replicas: 1
+  replicas: 0   # etapa 3 (06/10/2026): banco antigo fora do ar por 7 dias; voltar = 1
   selector:
     matchLabels:
       app: postgres