Here's a part of my smartctl -H /dev/sda output:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
190 Airflow_Temperature_Cel 0x0022 053 028 045 Old_age Always In_the_past 47
How do I interpret this? Specifically:
- What do the flag bits mean?
- What's the difference between the 'value' and the 'raw value'?
- What units is each numeric column using? Is it Celsius? In that case, why is 28 centigrade the worst I've had, if now I have 53? Or 47?
- Is the threshold the value over which the drive is considered to fail? The value over which the drive shuts itself down? Something else?
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