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Date:      Sun, 5 Jul 1998 11:55:50 -0700 (PDT)
From:      Julian Elischer <julian@whistle.com>
To:        Peter van Heusden <pvh@leftside.wcape.school.za>
Cc:        Stefan Esser <se@FreeBSD.ORG>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: SCSI drive not remapping bad block: Any solution (fwd)
Message-ID:  <Pine.BSF.3.95.980705115406.11284B-100000@current1.whistle.com>
In-Reply-To: <Pine.BSF.3.95.980705180732.241A-100000@leftside.wcape.school.za>

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fistly, use rsd2 not rsd2c (if it's dange=ously dedicated..)
or rsd2s1 if it has slices..

secondly many drives go read-only when they run out of replacement
sectors..

I have one here (a Quantum) that has done this..


On Sun, 5 Jul 1998, Peter van Heusden wrote:

> On Sat, 4 Jul 1998, Stefan Esser wrote:
> 
> [snip]
>  
> > In order to recover from that error, you may want to write new 
> > data to the replacement sector, and the easiest way to do this 
> > is to "dd if=/dev/zero of=/dev/rsd1c bs=64k" (assuming that the 
> > drive is "sd1" ...).
> 
> Thanks, I tried this, but dd returned:
> 
> dd: /dev/rsd2c: Read-only file system
> 
> which I can't understand, because ls -l /dev/rsd2c gives:
> 
> crw-r----- 1 root operator 13, 18 Jul 5 18:07 /dev/rsd2c
> 
> Is there something I should do before I can write to this device?
> 
> Thanks,
> Peter
> P.S. Is there anywhere I can find out more about SCSI so that I understand
> this stuff better?
> --
> Peter van Heusden |    Computers Networks Reds Greens Justice Peace Beer Africa
> pvh@leftside.wcape.school.za | Support the SAMWU 50 litres campaign!
> 
> 
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