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
diff --git a/deployment/heat/onap-oom/env/windriver/onap-oom.env b/deployment/heat/onap-oom/env/windriver/onap-oom.env
index a44eca9..9b122e5 100644
--- a/deployment/heat/onap-oom/env/windriver/onap-oom.env
+++ b/deployment/heat/onap-oom/env/windriver/onap-oom.env
@@ -5,7 +5,7 @@
   apt_proxy: 10.12.5.2:3142
   docker_proxy: 10.12.5.2:5000
 
-  rancher_vm_flavor: m1.xlarge
+  rancher_vm_flavor: m2.xlarge
   k8s_vm_flavor: m1.xlarge
 
   public_net_id: 971040b2-7059-49dc-b220-4fab50cb2ad4
diff --git a/deployment/heat/onap-oom/rancher_vm_entrypoint.sh b/deployment/heat/onap-oom/rancher_vm_entrypoint.sh
index 9e70da6..a2b9f50 100644
--- a/deployment/heat/onap-oom/rancher_vm_entrypoint.sh
+++ b/deployment/heat/onap-oom/rancher_vm_entrypoint.sh
@@ -67,9 +67,9 @@
 done
 
 # use RAM disk for /dockerdata-nfs for testing
-#echo "tmpfs /dockerdata-nfs tmpfs noatime 1 2" >> /etc/fstab
+echo "tmpfs /dockerdata-nfs tmpfs noatime,size=75% 1 2" >> /etc/fstab
 mkdir -pv /dockerdata-nfs
-#mount /dockerdata-nfs
+mount /dockerdata-nfs
 
 # version control the persistence volume to see what's happening
 chmod 777 /dockerdata-nfs/
@@ -84,7 +84,7 @@
 # export NFS mount
 NFS_EXP=""
 for K8S_VM_IP in $(tr -d ',[]' < /opt/config/k8s_private_ips.txt); do
-    NFS_EXP+="$K8S_VM_IP(rw,fsid=1,sync,no_root_squash,no_subtree_check) "
+    NFS_EXP+="$K8S_VM_IP(rw,fsid=1,async,no_root_squash,no_subtree_check) "
 done
 echo "/dockerdata-nfs $NFS_EXP" | tee /etc/exports