diff --git a/inventory/host_vars/undercloud01.cloud.fedoraproject.org b/inventory/host_vars/undercloud01.cloud.fedoraproject.org
index 9036efa533..05c84eddc1 100644
--- a/inventory/host_vars/undercloud01.cloud.fedoraproject.org
+++ b/inventory/host_vars/undercloud01.cloud.fedoraproject.org
@@ -24,6 +24,7 @@ datacenter: newcloud
 mem_size: 16384
 max_mem_size: 20000
 num_cpus: 8
+lvm_size: 150000
 
 baseiptables: False