Bad sectors: how bad can it be

Polytropon freebsd at
Wed Oct 28 11:52:19 UTC 2009

On Tue, 27 Oct 2009 21:05:39 +0100, Michaël Grünewald <michaelgrunewald at> wrote:
> (I feel sorry for the very poor english I demonstrated in the message I 
> wrote this morning: I was in a hurry!)

Don't mind, many user here aren't native speakers, but are
still completely good to understand.

> I have backups of the data contained in the broken, so the data on this 
> disc are not a concern.

So then: Goodbye, cruel hard disk, it's over... and let
it fly. :-)

> I have however a question: How do I verify that 
> a hard-drive is accurately working if its firmware will hide the bad 
> sectors as long as possible?

I think the smartctl program from ports/smartmontools is 
a good tool for such verification. As far as I understood,
it can read internal error logs from the firmware.

> As the other contributors join their voices
> to yours, I will replace the faulty disk ASAP.

Best choice, especially because you don't need to run the
hard disk in order to get the data back. Oh backups are
such a fine thing, I wish I had some. :-)

Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...

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