diff --git a/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/083_placeholder.py b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/083_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/083_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/084_placeholder.py b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/084_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/084_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/085_placeholder.py b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/085_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/085_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/086_placeholder.py b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/086_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/086_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/087_placeholder.py b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/087_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/087_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/418_placeholder.py b/nova/db/sqlalchemy/migrate_repo/versions/418_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/418_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/419_placeholder.py b/nova/db/sqlalchemy/migrate_repo/versions/419_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/419_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/420_placeholder.py b/nova/db/sqlalchemy/migrate_repo/versions/420_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/420_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/421_placeholder.py b/nova/db/sqlalchemy/migrate_repo/versions/421_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/421_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/422_placeholder.py b/nova/db/sqlalchemy/migrate_repo/versions/422_placeholder.py
new file mode 100644
index 000000000000..7a9322450445
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/422_placeholder.py
@@ -0,0 +1,22 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# This is a placeholder for backports.
+# Do not use this number for new work.  New work starts after
+# all the placeholders.
+#
+# See this for more information:
+# http://lists.openstack.org/pipermail/openstack-dev/2013-March/006827.html
+
+
+def upgrade(migrate_engine):
+    pass
diff --git a/nova/tests/functional/db/api/test_migrations.py b/nova/tests/functional/db/api/test_migrations.py
index f27a31e2bf43..907032b1c8e8 100644
--- a/nova/tests/functional/db/api/test_migrations.py
+++ b/nova/tests/functional/db/api/test_migrations.py
@@ -170,12 +170,14 @@ class NovaAPIMigrationsWalk(test_migrations.WalkVersionsMixin):
         train_placeholders = list(range(68, 73))
         ussuri_placeholders = list(range(73, 78))
         victoria_placeholders = list(range(78, 83))
+        wallaby_placeholders = list(range(83, 88))
         special_cases = [
             self.INIT_VERSION + 1,  # initial change
         ]
         return (train_placeholders +
                 ussuri_placeholders +
                 victoria_placeholders +
+                wallaby_placeholders +
                 special_cases)
 
     def migrate_up(self, version, with_data=False):
diff --git a/nova/tests/unit/db/test_migrations.py b/nova/tests/unit/db/test_migrations.py
index c0b4ee89999d..2755fa2a037e 100644
--- a/nova/tests/unit/db/test_migrations.py
+++ b/nova/tests/unit/db/test_migrations.py
@@ -165,11 +165,13 @@ class NovaMigrationsCheckers(test_migrations.ModelsMigrationsSync,
         train_placeholders = list(range(403, 408))
         ussuri_placeholders = list(range(408, 413))
         victoria_placeholders = list(range(413, 418))
+        wallaby_placeholders = list(range(418, 423))
 
         return (special +
                 train_placeholders +
                 ussuri_placeholders +
-                victoria_placeholders)
+                victoria_placeholders +
+                wallaby_placeholders)
 
     def migrate_up(self, version, with_data=False):
         if with_data: