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Add note to ensure database instance starts before Home Assistant

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Jerry Workman 2018-02-26 21:19:33 -05:00 committed by GitHub
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source/_components/recorder.markdown
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@ -156,6 +156,15 @@ If the `recorder` component is activated then some components support `restore_s
| PostgreSQL | `postgresql://scott:tiger@SERVER_IP/DB_NAME` |
| MS SQL Server | `mssql+pymssql://user:pass@SERVER_IP/DB_NAME?charset=utf8` |
+<p class='note'>
+If you are running a database server instance on the same server as Home Assistant then you must ensure that this service starts before Home Assistant. For a Linux instance running Systemd (Raspberry Pi, Debian, Ubuntu and others) then you should edit the file /etc/systemd/system/home-assistant@homeassistant.service as root (e.g. sudo nano /etc/systemd/system/home-assistant@homeassistant.service) and add the service - for PostgreSQL:
+```
+[Unit]
+Description=Home Assistant
+After=network.target postgresql.service
+```
+</p>
## {% linkable_title Installation notes %}
Not all Python bindings for the chosen database engine can be installed directly. This section contains additional details which should help you to get it working.