diff --git a/k8s/postgres.yaml b/k8s/postgres.yaml
index 75ac4b8e..a9331f2a 100644
--- a/k8s/postgres.yaml
+++ b/k8s/postgres.yaml
@@ -12,7 +12,14 @@ spec:
       labels:
         app: postgres
     spec:
-      schedulerName: stork
+      #schedulerName: stork
+      initContainers:
+      - name: rmdir
+        image: alpine
+        volumeMounts:
+        - mountPath: /vol
+          name: postgres
+        command: ["sh", "-c", "if [ -d /vol/lost+found ]; then rmdir /vol/lost+found; fi"]
       containers:
       - name: postgres
         image: postgres:11
diff --git a/prepare-vms/lib/commands.sh b/prepare-vms/lib/commands.sh
index ade36b6e..68904fa5 100644
--- a/prepare-vms/lib/commands.sh
+++ b/prepare-vms/lib/commands.sh
@@ -362,6 +362,16 @@ _cmd_opensg() {
     infra_opensg
 }
 
+_cmd portworx "Prepare the nodes for Portworx deployment"
+_cmd_portworx() {
+    TAG=$1
+    need_tag
+
+    pssh "
+    sudo truncate --size 10G /portworx.blk &&
+    sudo losetup /dev/loop4 /portworx.blk"
+}
+
 _cmd disableaddrchecks "Disable source/destination IP address checks"
 _cmd_disableaddrchecks() {
     TAG=$1