Reallocation event count reads 30 99 99 ok on SMART

jhmac777

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Feb 2, 2014
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Is drive OK? I read that realocation event count was bad if increasing.


WHAT about these values on SMART?
Reallocation event count reads 30 99 99 ok
Disply vendor specific values 99
Display data field (MID word 0
Other values up and down or increasing
on a Seagate 500 GB hhd
 
Hard to say without knowing which numbers these are. Usually there's a raw score, a normalized one, a threshold, and a worst. Threshold is just where the normalized score (or worst) will trigger a warning. Normalized and worst are raw scores converted to a scale, eg. 1-100 with 100 being perfect. Normalized being what it's at now, worst being the worst that's ever been recorded (relevant eg. for temperatures, where it's important if the drive has previously overheated even if it's now running cool).

With 30, 99 and 99, I would guess that 30 is the threshold, and the two 99s are the normalized and worst scores, on a scale of 1-100. So basically there have been a tiny number of reallocation events, but far from enough to trigger a warning.

But that's just my guess. I could be way off.