diff --git a/manifests/init.pp b/manifests/init.pp
index 576842b36..70b1bd48e 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -333,6 +333,18 @@
 #   per compute node.
 #   Defaults to $::os_service_default
 #
+# [*initial_cpu_allocation_ratio*]
+#   (optional) Initial virtual CPU to physical CPU allocation ratio.
+#   Defaults to $::os_service_default
+#
+# [*initial_ram_allocation_ratio*]
+#   (optional) Initial virtual RAM to physical RAM allocation ratio.
+#   Defaults to $::os_service_default
+#
+# [*initial_disk_allocation_ratio*]
+#   (optional) Initial virtual disk to physical disk allocation ratio.
+#   Defaults to $::os_service_default
+#
 # [*my_ip*]
 #   (optional) IP address of this host on the management network.
 #   If unset, will determine the IP programmatically based on the default route.
@@ -501,6 +513,9 @@ class nova(
   $cpu_allocation_ratio                   = $::os_service_default,
   $ram_allocation_ratio                   = $::os_service_default,
   $disk_allocation_ratio                  = $::os_service_default,
+  $initial_cpu_allocation_ratio           = $::os_service_default,
+  $initial_ram_allocation_ratio           = $::os_service_default,
+  $initial_disk_allocation_ratio          = $::os_service_default,
   $purge_config                           = false,
   $my_ip                                  = $::os_service_default,
   $cross_az_attach                        = $::os_service_default,
@@ -711,17 +726,20 @@ but should be one of: ssh-rsa, ssh-dsa, ssh-ecdsa.")
   }
 
   nova_config {
-    'DEFAULT/ssl_only':              value => $ssl_only;
-    'DEFAULT/cert':                  value => $cert;
-    'DEFAULT/key':                   value => $key;
-    'console/ssl_ciphers':           value => $console_ssl_ciphers;
-    'console/ssl_minimum_version':   value => $console_ssl_minimum_version;
-    'DEFAULT/my_ip':                 value => $my_ip;
-    'DEFAULT/host':                  value => $host;
-    'DEFAULT/cpu_allocation_ratio':  value => $cpu_allocation_ratio;
-    'DEFAULT/ram_allocation_ratio':  value => $ram_allocation_ratio;
-    'DEFAULT/disk_allocation_ratio': value => $disk_allocation_ratio;
-    'DEFAULT/dhcp_domain':           value => $dhcp_domain;
+    'DEFAULT/ssl_only':                      value => $ssl_only;
+    'DEFAULT/cert':                          value => $cert;
+    'DEFAULT/key':                           value => $key;
+    'console/ssl_ciphers':                   value => $console_ssl_ciphers;
+    'console/ssl_minimum_version':           value => $console_ssl_minimum_version;
+    'DEFAULT/my_ip':                         value => $my_ip;
+    'DEFAULT/host':                          value => $host;
+    'DEFAULT/cpu_allocation_ratio':          value => $cpu_allocation_ratio;
+    'DEFAULT/ram_allocation_ratio':          value => $ram_allocation_ratio;
+    'DEFAULT/disk_allocation_ratio':         value => $disk_allocation_ratio;
+    'DEFAULT/initial_cpu_allocation_ratio':  value => $initial_cpu_allocation_ratio;
+    'DEFAULT/initial_ram_allocation_ratio':  value => $initial_ram_allocation_ratio;
+    'DEFAULT/initial_disk_allocation_ratio': value => $initial_disk_allocation_ratio;
+    'DEFAULT/dhcp_domain':                   value => $dhcp_domain;
   }
 
   oslo::messaging::rabbit {'nova_config':
diff --git a/releasenotes/notes/initial_allocation_ratio-27a45a6616382559.yaml b/releasenotes/notes/initial_allocation_ratio-27a45a6616382559.yaml
new file mode 100644
index 000000000..59de7ecb1
--- /dev/null
+++ b/releasenotes/notes/initial_allocation_ratio-27a45a6616382559.yaml
@@ -0,0 +1,10 @@
+---
+features:
+  - |
+    The following parameters have been added to the ``nova`` class. These
+    parameters define allocation ratios used when nova initially creates
+    a resource provider record for each compute node.
+
+    - ``initial_cpu_allocation_ratio``
+    - ``initial_ram_allocation_ratio``
+    - ``initial_disk_allocation_ratio``
diff --git a/spec/classes/nova_init_spec.rb b/spec/classes/nova_init_spec.rb
index efea9472d..bb8f0eafd 100644
--- a/spec/classes/nova_init_spec.rb
+++ b/spec/classes/nova_init_spec.rb
@@ -58,6 +58,9 @@ describe 'nova' do
         is_expected.to contain_nova_config('DEFAULT/cpu_allocation_ratio').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('DEFAULT/ram_allocation_ratio').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('DEFAULT/disk_allocation_ratio').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_nova_config('DEFAULT/initial_cpu_allocation_ratio').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_nova_config('DEFAULT/initial_ram_allocation_ratio').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_nova_config('DEFAULT/initial_disk_allocation_ratio').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('DEFAULT/ssl_only').with_value(false)
         is_expected.to contain_nova_config('DEFAULT/cert').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('DEFAULT/key').with_value('<SERVICE DEFAULT>')
@@ -496,15 +499,21 @@ describe 'nova' do
     context 'with allocation ratios set' do
       let :params do
         {
-          :cpu_allocation_ratio  => 32.0,
-          :ram_allocation_ratio  => 2.0,
-          :disk_allocation_ratio => 1.5,
+          :cpu_allocation_ratio          => 32.0,
+          :ram_allocation_ratio          => 2.0,
+          :disk_allocation_ratio         => 1.5,
+          :initial_cpu_allocation_ratio  => 64.0,
+          :initial_ram_allocation_ratio  => 4.0,
+          :initial_disk_allocation_ratio => 3.0,
         }
       end
 
-      it { is_expected.to contain_nova_config('DEFAULT/cpu_allocation_ratio').with_value('32.0') }
-      it { is_expected.to contain_nova_config('DEFAULT/ram_allocation_ratio').with_value('2.0') }
-      it { is_expected.to contain_nova_config('DEFAULT/disk_allocation_ratio').with_value('1.5') }
+      it { is_expected.to contain_nova_config('DEFAULT/cpu_allocation_ratio').with_value(32.0) }
+      it { is_expected.to contain_nova_config('DEFAULT/ram_allocation_ratio').with_value(2.0) }
+      it { is_expected.to contain_nova_config('DEFAULT/disk_allocation_ratio').with_value(1.5) }
+      it { is_expected.to contain_nova_config('DEFAULT/initial_cpu_allocation_ratio').with_value(64.0) }
+      it { is_expected.to contain_nova_config('DEFAULT/initial_ram_allocation_ratio').with_value(4.0) }
+      it { is_expected.to contain_nova_config('DEFAULT/initial_disk_allocation_ratio').with_value(3.0) }
     end
 
   end