signal_noise value:GAUGE:U:0
signal_power value:GAUGE:U:0
signal_quality value:GAUGE:0:U
+smart_poweron value:GAUGE:0:U
+smart_powercycles value:GAUGE:0:U
+smart_badsectors value:GAUGE:0:U
+smart_temperature value:GAUGE:-300:300
+smart_attribute current:GAUGE:0:255, worst:GAUGE:0:255, threshold:GAUGE:0:255, pretty:GAUGE:0:U
snr value:GAUGE:0:U
spam_check value:GAUGE:0:U
spam_score value:GAUGE:U:U