diff --git a/datavol.yml b/datavol.yml
index 7867e18..afb2d67 100644
--- a/datavol.yml
+++ b/datavol.yml
@@ -21,6 +21,28 @@
     tags:
     - install
 
+  - name: ensure lvm volume groups exist
+    lvg:
+      vg: '{{ item.key }}'
+      pvs: '{{ item.value.pvs }}'
+    loop: '{{ logical_volumes | d({}) | dict2items }}'
+    loop_control:
+      label: '{{ item.key }}'
+    tags:
+    - lvm
+    - lvm-vg
+  - name: ensure lvm logical volumes exist
+    lvol:
+      lv: '{{ item.1.name }}'
+      vg: '{{ item.0.key }}'
+      size: '{{ item.1.size }}'
+    loop: '{{ logical_volumes | dict2items | subelements("value.lvs") }}'
+    loop_control:
+      label: '{{ item.0.key }}/{{ item.1.name }}'
+    tags:
+    - lvm
+    - lvm-lv
+
   - name: ensure data volume filesystem exists
     filesystem:
       dev: '{{ item.dev }}'