> 
> James Harper <[email protected]>
> writes:
> 
> > It's frustrating because a simple "if hard read errors > 0 || failed
> > self tests > 0 then drive = not okay" would have meant I could just
> > read the SMART health indicator and eject the drive from the array (or
> > whatever it belonged to).
> 
> IIRC from heterogeneous disks in an array I had once, I was getting 10*
> the number of errors on one pair of disks from the other pair.  It
> turned out that seagate was reporting uncorrectable errors and WD was
> reporting all errors -- the seagate had an extra field where it reported
> the raw error rate.
> 
> If you are gonna script a "not okay" heuristic, be careful not to
> overgeneralize from one vendor to the next.
> 

That's why I want the vendors to make the leap that "unrecoverable read error = 
unhealthy disk". The reported counters are not reliable, as you say.

James
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