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I did notice that the raw value of the stat reads 0x08 (only after I ask the question, naturally). Perhaps that's why caution is being displayed.
– Celarix
Commented Sep 22, 2016 at 11:50
Raw values are uninterpreted values from which the health is calculated. These are typically vendor-specific. For example some vendors store temperature in Celsius and others not. They also count sectors/errors/times there and you can't really tell how bad the status is without looking at the current value.
– Martin Sugioarto
Commented Sep 22, 2016 at 11:55
No. I do not understand it. RAW value is current value because until now 8 incidents happen. Correct? Threshold value is a bound. When RAW value > Threshold value a warning arises. So, the question remains: If RAW is current value, what is current value and what is worst value? How can current value be 100 when RAW value is 8? Current and RAW are not the same? Please write more.
– Chameleon
Commented Jun 9, 2020 at 11:59
In this example 8 is the number of sectors affected. Uncorrectable means, well, they cannot be corrected by the logic of the drive. But there are several attributes that can be fixed and they will go back to zero. All thresholds are not just warnings they show clearly that a drive has failed. Raw is the same as current. Current is interpreted by UI and raw is what the attribute really contains. Sometimes the numerical attribute values are flipped (often temperature is shown as quality or real temperature). There is no real standard what a vendor stores as raw value.
– Martin Sugioarto
Commented Jun 9, 2020 at 12:13
"The column "worst" tells you what worst value SMART has ever assigned to this attribute.". I don't understand this as "worst" is almost always "100" and another answer suggests that this is the top end of the scale for the healthiness of the metric.
– HippoDuck
Commented Jan 30 at 10:01

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