chore(influxdb3): Specify when data-dir is required, emphasize in license.md that license email and license file are mutually exclusive

content/influxdb3/core/reference/config-options.md

@@ -159,7 +159,8 @@ This option supports the following values:
 
 #### data-dir
 
-Defines the location {{< product-name >}} uses to store files locally.
+For the `file` object store, defines the location {{< product-name >}} uses to store files locally.
+Required when using the `file` [object store](#object-store).
 
 | influxdb3 serve option | Environment variable |
 | :--------------------- | :------------------- |

content/influxdb3/enterprise/admin/license.md

@@ -109,6 +109,10 @@ email address. The server auto-generates and stores your license.
       Use either the `--license-file` option or set the
       `INFLUXDB3_ENTERPRISE_LICENSE_FILE` environment variable.
 
+> [!Note]
+> License file and license email are mutually exclusive.
+> When starting the server, only use one or the other.
+
 #### Example: Start the {{< product-name >}} server with your license email:
 
 {{< code-tabs-wrapper >}}

content/influxdb3/enterprise/reference/config-options.md

@@ -170,7 +170,8 @@ This value must be different than the [`--node-id`](#node-id) value.
 
 #### data-dir
 
-Defines the location {{< product-name >}} uses to store files locally.
+For the `file` object store, defines the location {{< product-name >}} uses to store files locally.
+Required when using the `file` [object store](#object-store).
 
 | influxdb3 serve option | Environment variable |
 | :--------------------- | :------------------- |