# File lib/fog/compute/openstack/requests/detach_volume.rb, line 15
        def detach_volume(server_id, attachment_id)
          response = Excon::Response.new
          if data[:volumes][attachment_id] &&
             data[:volumes][attachment_id]['attachments'].reject! { |attachment| attachment['serverId'] == server_id }
            data[:volumes][attachment_id]['status'] = 'available'
            response.status = 202
            response
          else
            raise Fog::Compute::OpenStack::NotFound
          end
        end