Mailinglist Archive: opensuse (795 mails)

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Re: [opensuse] another WD Green AV-GP HD failure
  • From: "Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>
  • Date: Wed, 1 Nov 2017 22:30:55 +0100 (CET)
  • Message-id: <alpine.LSU.2.21.1711012225530.13822@Telcontar.valinor>
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On Wednesday, 2017-11-01 at 15:44 -0000, Wols Lists wrote:
On 01/11/17 13:07, Carlos E. R. wrote:
You have at least 131 bad sectors, known to the disk firmware. If you
find out their LBA you can zero them, which causes remapping with good
spare records, and the disk would work again for some time.

You could try "badblocks" on it (a very slow operation) to find out the
LBA. It may trigger the remapping on its own. Then you could copy that
disk to a new disk of same size and insert the new one on the machine...

Hmm... As is well known on the raid list, the remap occurs when an
attempt is made to rewrite the faulty bloc.

I know.

Thus, in order to find out the LBA address of the bad sectors and rewrite them I run "badblocks". And then, contrary to the common knowledge, when I do that the bad sectors disappear and SMART reports no pending sectors (!). I do not have an explanation, only that it has happened to me every time I tried since I remember (say three years back) and others.

- -- Cheers,
Carlos E. R.
(from openSUSE 42.2 x86_64 "Malachite" at Telcontar)

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