Re-enable use of RAM disk for /dockerdata-nfs

Change-Id: Ib9bbcb3c5ceb83427b735ed061a921a28812a802
Issue-ID: INT-586
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-oom/env/tlab/onap-oom.env b/deployment/heat/onap-oom/env/tlab/onap-oom.env
index d5c0247..2440473 100644
--- a/deployment/heat/onap-oom/env/tlab/onap-oom.env
+++ b/deployment/heat/onap-oom/env/tlab/onap-oom.env
@@ -5,7 +5,7 @@
   apt_proxy: 192.168.31.204:3142
   docker_proxy: 192.168.31.204:5000
 
-  rancher_vm_flavor: m4.xlarge
+  rancher_vm_flavor: m5.xlarge
   k8s_vm_flavor: m4.xlarge
 
   public_net_id: fbe8fd92-6636-4e63-ab28-bb6a5b0888a9