diff --git a/ceilometer/storage/sqlalchemy/migrate_repo/versions/043_reduce_uuid_data_types.py b/ceilometer/storage/sqlalchemy/migrate_repo/versions/043_reduce_uuid_data_types.py
index 75638418..03a5525b 100644
--- a/ceilometer/storage/sqlalchemy/migrate_repo/versions/043_reduce_uuid_data_types.py
+++ b/ceilometer/storage/sqlalchemy/migrate_repo/versions/043_reduce_uuid_data_types.py
@@ -10,28 +10,10 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from sqlalchemy import MetaData
-from sqlalchemy import String
-from sqlalchemy import Table
-
 
 def upgrade(migrate_engine):
-    meta = MetaData(bind=migrate_engine)
-    resource = Table('resource', meta, autoload=True)
-    resource.c.user_id.alter(type=String(128))
-    resource.c.project_id.alter(type=String(128))
-    resource.c.resource_id.alter(type=String(128))
-    resource.c.source_id.alter(type=String(128))
-    sample = Table('sample', meta, autoload=True)
-    sample.c.message_signature.alter(type=String(64))
-    sample.c.message_id.alter(type=String(128))
-    alarm = Table('alarm', meta, autoload=True)
-    alarm.c.alarm_id.alter(type=String(128))
-    alarm.c.user_id.alter(type=String(128))
-    alarm.c.project_id.alter(type=String(128))
-    alarm_history = Table('alarm_history', meta, autoload=True)
-    alarm_history.c.alarm_id.alter(type=String(128))
-    alarm_history.c.user_id.alter(type=String(128))
-    alarm_history.c.project_id.alter(type=String(128))
-    alarm_history.c.event_id.alter(type=String(128))
-    alarm_history.c.on_behalf_of.alter(type=String(128))
+    # NOTE(gordc): this is a noop script to handle bug1468916
+    # previous lowering of id length will fail if db contains data longer.
+    # this skips migration for those failing. the next script will resize
+    # if this original migration passed.
+    pass
diff --git a/ceilometer/storage/sqlalchemy/migrate_repo/versions/044_restore_long_uuid_data_types.py b/ceilometer/storage/sqlalchemy/migrate_repo/versions/044_restore_long_uuid_data_types.py
new file mode 100644
index 00000000..a7db70cb
--- /dev/null
+++ b/ceilometer/storage/sqlalchemy/migrate_repo/versions/044_restore_long_uuid_data_types.py
@@ -0,0 +1,37 @@
+# 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.
+
+from sqlalchemy import MetaData
+from sqlalchemy import String
+from sqlalchemy import Table
+
+
+def upgrade(migrate_engine):
+    meta = MetaData(bind=migrate_engine)
+    resource = Table('resource', meta, autoload=True)
+    resource.c.user_id.alter(type=String(255))
+    resource.c.project_id.alter(type=String(255))
+    resource.c.resource_id.alter(type=String(255))
+    resource.c.source_id.alter(type=String(255))
+    sample = Table('sample', meta, autoload=True)
+    sample.c.message_signature.alter(type=String(64))
+    sample.c.message_id.alter(type=String(128))
+    alarm = Table('alarm', meta, autoload=True)
+    alarm.c.alarm_id.alter(type=String(128))
+    alarm.c.user_id.alter(type=String(255))
+    alarm.c.project_id.alter(type=String(255))
+    alarm_history = Table('alarm_history', meta, autoload=True)
+    alarm_history.c.alarm_id.alter(type=String(128))
+    alarm_history.c.user_id.alter(type=String(255))
+    alarm_history.c.project_id.alter(type=String(255))
+    alarm_history.c.event_id.alter(type=String(128))
+    alarm_history.c.on_behalf_of.alter(type=String(255))
diff --git a/ceilometer/storage/sqlalchemy/models.py b/ceilometer/storage/sqlalchemy/models.py
index a23c2ecf..7dcc8f54 100644
--- a/ceilometer/storage/sqlalchemy/models.py
+++ b/ceilometer/storage/sqlalchemy/models.py
@@ -177,10 +177,10 @@ class Resource(Base):
     )
 
     internal_id = Column(Integer, primary_key=True)
-    user_id = Column(String(128))
-    project_id = Column(String(128))
-    source_id = Column(String(128))
-    resource_id = Column(String(128), nullable=False)
+    user_id = Column(String(255))
+    project_id = Column(String(255))
+    source_id = Column(String(255))
+    resource_id = Column(String(255), nullable=False)
     resource_metadata = deferred(Column(JSONEncodedDict()))
     metadata_hash = deferred(Column(String(32)))
     samples = relationship("Sample", backref="resource")
@@ -261,8 +261,8 @@ class Alarm(Base):
     description = Column(Text)
     timestamp = Column(PreciseTimestamp, default=lambda: timeutils.utcnow())
 
-    user_id = Column(String(128))
-    project_id = Column(String(128))
+    user_id = Column(String(255))
+    project_id = Column(String(255))
 
     state = Column(String(255))
     state_timestamp = Column(PreciseTimestamp,
@@ -285,9 +285,9 @@ class AlarmChange(Base):
     )
     event_id = Column(String(128), primary_key=True)
     alarm_id = Column(String(128))
-    on_behalf_of = Column(String(128))
-    project_id = Column(String(128))
-    user_id = Column(String(128))
+    on_behalf_of = Column(String(255))
+    project_id = Column(String(255))
+    user_id = Column(String(255))
     type = Column(String(20))
     detail = Column(Text)
     timestamp = Column(PreciseTimestamp, default=lambda: timeutils.utcnow())