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Date: Thu, 11 Apr 1996 12:20:51 -0700 (PDT)
From: Richard Chang <richardc@CSUA.Berkeley.EDU>
To: Mark Hannon <mark@seeware.dialix.oz.au>
cc: freebsd-questions@freebsd.org
Subject: Re: hard reading error
In-Reply-To: <Dpoyr4.D3D@seeware.DIALix.oz.au>
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On Thu, 11 Apr 1996, Mark Hannon wrote:

> In article <199604090948.LAA09308@uriah.heep.sax.de>,
> 	j@uriah.heep.sax.de (J Wunsch) writes:
> >As Richard Chang wrote:
> >
> >> > Error messages?
> >> 
> >> 	Here they are:
> >> 
> >> 1006499 of 1006496-1006511 (wd0s2 bn 1112995; cn 1104 tn 2 sn 37)wd0: status 59<seekdone,drq,err> error 40<uncorr>
> >
> >....
> >
> >Huh, they are rather low-level.  I wonder how you managed to ``correct''
> >them with NDD.  Probably NDD did only include them into the DOS bad
> >sector list?
> >
> >You could also use the ``bad144'' bad sector replacement on BSD, but
> >if i were you, i would backup the entire disk, and see to hardware-
> >reformat it.  (I hope it's not a Quantum, they cannot be formatted at
> >all.)
> >
> >Note that ``hardware-reformat'' is quite different from what DOS' format
> >program does; it requires a special utility that is usually available
> >from several disk manufacturers.
> >
> 
> If possibile I would return the disk & start again.  I had some problems
> with hard errors like this and I could never get bad144 to work.  Since
> exchanging my HD things have been working a treat.

	The problem with this is the drive needs to be sent back to the 
manufacturer and it takes awhile before you get the replacement.

Richard