----
After the next reboot this will be automatically done by the system at boot.
+Adding a BTRFS file system to {pve}
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+You can add an existing BTRFS file system to {pve} via the web-interface, or
+using the CLI, for example:
+
+----
+pvesm add btrfs my-storage --path /my-storage
+----
+
Creating a subvolume
^^^^^^^^^^^^^^^^^^^^
----
This change will take effect after rebooting.
+
+Checking Space Usage
+^^^^^^^^^^^^^^^^^^^^
+
+The classic `df` tool may output confusing values for some btrfs setups.
+For a better estimate use the `btrfs filesystem usage /PATH` command, for example:
+
+----
+# btrfs fi usage /my-storage
+----