[mythtv-users] OT: Linux hard drive utilities

mark mark at hethos.org
Wed Mar 14 02:20:34 UTC 2007

I think those numbers mean "1 in x reads had an error". i.e. you have a
raw read error rate of 1 in 81,736,658. 1 in almost 100 million sounds ok
to me, the fact that 1 in 81,736,658 means it was probably the same reads
that had a read error that were corrected by ECC (meaning no data
corruption for these reads!).

Seek errors means it found the wrong part of the disk, so it had to reseek.

None of that seems like impending doom to me.
If you look at some of the other SMART data it can tell you more about the
predicted lifespan of the drive etc, plus you can do extended SMART
diagnostics to test the disk more thoroughly.


> In an effort to diagnose a Mythbackend crash (I found "TFW, Error: Write()
> -- IOBOUND end"
> in my logs), I took a closer look at my hard drives using Webmin and
> One of them had:
> *Raw Read Error Rate* 81736658
> ...
> *Seek Error Rate* 342470387
> ...
> *Hardware ECC Recovered* 81736658
> While I understand nobody can predict hard drive failure, does anybody
> have
> any favorite Linux hard drive utilities?  Does the above information mean
> I
> should start looking for deals on new HDs ASAP?
> Thanks!!
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