def get_attached_volume(self, datacenter_id, server_id, volume_id):
response = self._perform_request(<EOL>'<STR_LIT>' % (<EOL>datacenter_id,<EOL>server_id,<EOL>volume_id))<EOL>return response<EOL>
Retrieves volume information.

:param      datacenter_id: The unique ID of the data center.
:type       datacenter_id: ``str``

:param      server_id: The unique ID of the server.
:type       server_id: ``str``

:param      volume_id: The unique ID of the volume.
:type       volume_id: ``str``