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Date: Mon, 8 Mar 2010 13:09:19 +0200
From: Eugene Dzhurinsky <bofh@redwerk.com>
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Subject: Re: A tool for remapping bad sectors in CURRENT?
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On Mon, Mar 08, 2010 at 12:52:43PM +0200, Eugene Dzhurinsky wrote:
> dd if=3D/dev/ad4 of=3D/dev/null skip=3D222342559 bs=3D512 count=3D1
> dd: /dev/ad4: Input/output error
> 0+0 records in
> 0+0 records out
> 0 bytes transferred in 2.351940 secs (0 bytes/sec)
>=20
> dd if=3D/dev/zero of=3D/dev/ad4 seek=3D222342559 bs=3D512 count=3D1
> dd: /dev/ad4: Operation not permitted
>=20
> Should I do it in single mode?

sysctl kern.geom.debugflags=3D0x10

Did the trick, I was able to write directly to the sector, and now it seems=
 to
work well. No remaps recorded thus, but no errors so far.

Thanks a lot!

--=20
Eugene N Dzhurinsky

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