diff --git a/clusters/cl01tl/manifests/rook-ceph/CephCluster-rook-ceph.yaml b/clusters/cl01tl/manifests/rook-ceph/CephCluster-rook-ceph.yaml
index c2ddb6534..f7e6d2f37 100644
--- a/clusters/cl01tl/manifests/rook-ceph/CephCluster-rook-ceph.yaml
+++ b/clusters/cl01tl/manifests/rook-ceph/CephCluster-rook-ceph.yaml
@@ -10,6 +10,11 @@ spec:
     image: "quay.io/ceph/ceph:v19.2.3-20250717"
     allowUnsupported: false
     imagePullPolicy: IfNotPresent
+  cephConfig:
+    global:
+      bdev_async_discard: "true"
+      bdev_async_discard_threads: "1"
+      bdev_enable_discard: "true"
   cleanupPolicy:
     allowUninstallWithVolumes: false
     confirmation: ""