Troubleshooting --------------- This section contains a guidance on verifying and troubleshooting Mistral Fuel Plugin and Mistral deployed by the plugin. *Mistral* role is not available ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ If *Mistral* role is not available in Fuel UI when adding new node verify the plugin is installed and enabled. To verify in Fuel UI navigate to `Settings` tab -> `Other` section .. image:: images/enable.png The plugin must be present and enabled. If not present check :ref:`install`. Mistral configuration files and logs ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Mistral API service runs on Controller nodes. Mistral Executor and Engine services run on Mistral nodes. Mistral configuration files are located in `/etc/mistral` on Controller and Mistral nodes. `/etc/mistral/mistral.conf` is the main configuration file. Logs can be found in `/var/log/mistral` directory. Verifying Mistral operation ^^^^^^^^^^^^^^^^^^^^^^^^^^^ #. Login to primary Contraller node #. Source openrc .. code-block:: console # source openrc #. Verify Mistral .. code-block:: console # openstack workflow list +----...---+------...-+-----...+--------+------...--+----...+----...+ | ID ... | Name ... | Proj...| Tags | Input... | Cre...| Upd...| +----...---+------...-+-----...+--------+------...--+----...+----...+ | 9e2...bc | std.d... | | insta...n | 201...| Non...| | a80...63 | std.c... | | name,... | 201...| Non...| +----...---+------...-+-----...+--------+------...--+----...+----...+