cinder-manage db online_data_migrations
Running batches of 50 until complete.
+-------------+----------------+-------------+
| Migration   | Total Needed   | Completed   |
|-------------+----------------+-------------|
+-------------+----------------+-------------+

# cinder-manage db sync
2020-11-19 14:03:14.528 9903 INFO migrate.versioning.api [-] 135 -> 136...
2020-11-19 14:03:14.776 9903 WARNING oslo_db.sqlalchemy.exc_filters [-] DBAPIError exception wrapped.: psycopg2.errors.NotNullViolation: column "volume_type_id" contains null values
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters Traceback (most recent call last):
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters   File "/usr/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1276, in _execute_context
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters     self.dialect.do_execute(
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters   File "/usr/lib/python3.8/site-packages/sqlalchemy/engine/default.py", line 593, in do_execute
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters     cursor.execute(statement, parameters)
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters psycopg2.errors.NotNullViolation: column "volume_type_id" contains null values
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters
2020-11-19 14:03:14.776 9903 ERROR oslo_db.sqlalchemy.exc_filters
Error during database migration: Migration cannot continue until all volumes have been migrated to the `__DEFAULT__` volume type. Please run `cinder-manage db online_data_migrations`. There are still untyped volumes unmigrated.