Re: Some very basic questions

[Ric Wheeler <rwheeler@redhat.com>]

Matthias W=C3=A4chter wrote:
> On 10/22/2008 3:50 PM, Chris Mason wrote:
>
>  =20
>> Let me reword my answer ;).  The next write will always succeed unle=
ss
>> the drive is out of remapping sectors.  If the drive is out, it is o=
nly
>> good for reads and holding down paper on your desk.
>>    =20
>
> I have a fairly new SATA disk with about 3000 hours of 24/7 duty
> (very light load), 0 remapped sectors and 8 consecutive sectors with
> read/write errors. Still, it did not perform remapping facing heavy
> writes on the bad sectors. Now what? For whatever reason, remapping
> not always works (or mine was produced with a total of zero
> remapping sectors=E2=80=A6).
>
> - Matthias
>  =20

It sounds like this drive is actually fine, you might have seen some=20
transient issues.

Are you positive that the writes went directly to the sectors in=20
question - that should either clear the error or cause it to remap the=20
sectors internally. (Reads will continue to fail).

Mark Lord has added some options to hdparm that you might be able to us=
e=20
to expressly clear the sectors in question in a more direct way.

Regards,

Ric

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