Re: Western Digital RE3: Raid Failure

[Thomas Fjellstrom <tfjellstrom@shaw.ca>]

On Thu September 3 2009, you wrote:
> On Thu, 3 Sep 2009, Gabor Gombas wrote:
> > On Thu, Sep 03, 2009 at 11:14:45AM +0200, MOgWai46[Saurceful of Secrets] 
wrote:
> >> This is the output of smartctl -a /dev/sdc:
> >> http://nopaste.com/p/aXwmnSEphb
> >
> >  5 Reallocated_Sector_Ct   0x0033   197   197   140    Pre-fail  Always  
> >     -       24 [...]
> > 196 Reallocated_Event_Count 0x0032   197   197   000    Old_age   Always 
> >      -       3
> >
> > IMHO it's time to replace the drive. I think it also shows that TLER is
> > working just as expected: timing out when the recovery would have taken
> > too long.
>
> The drive has only been spinning for 1008 hours, or about 42 days. It's
> probably still under warranty, but I'd be surprised if WD (or any other
> vendor) will accept an RMA since it will probably pass all its diagnostic
> tests.

I just returned a Seagate drive that passed all tests. But its reallocated 
sector count was over 1500 (and climbing 10 or more per hour). The support 
tech didn't have a problem with authorizing the RMA. So if the problem gets 
bad enough, they SHOULD take the drive back, or at least Seagate will.

>
> Note that those SMART attributes are nothing particularly scary and this is
> backed up by both attributes being significantly higher than their
> respective thresholds; modern drives have thousands of spare sectors, so a
> few going bad is to be expected.
>
> > Gabor
>
> Best Regards,
> Alex
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-- 
Thomas Fjellstrom
tfjellstrom@shaw.ca