<type>: <STORAGE_ID>
<property> <value>
<property> <value>
+ <property>
...
----
The `<type>: <STORAGE_ID>` line starts the pool definition, which is then
-followed by a list of properties. Most properties have values and some of
-them come with a reasonable default. In that case you can omit the value.
+followed by a list of properties. Most properties require a value. Some have
+reasonable defaults, in which case you can omit the value.
To be more specific, take a look at the default storage configuration
after installation. It contains one special local storage pool named