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CD images, is one corrupt?

This is a discussion on CD images, is one corrupt? within the comp.unix.bsd.openbsd.misc forums, part of the OpenBSD category; --> Hi all, I've bought the 3 CD set and it came in a good-looking box. First thing I did ...


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  #1 (permalink)  
Old 02-16-2008, 05:20 AM
MiAr
 
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Default CD images, is one corrupt?

Hi all,

I've bought the 3 CD set and it came in a good-looking box.
First thing I did was make backup iso images on my HD and then to tape. I
usualy do that with software I don't want to lose.

I did a dd if=/dev/cdrom of=cd1.iso

Worked fine for cd's 1 and 3, 2 gives i/o errors. No visual damage to the
CD. Is this normal or should I report this to OBSD? (2nd cd is the cd I
want to use for my Imac containing macppc stuff) I think it should have
worked but I just want to make sure before I start reporting to the
CD-makers.

Later,

Mike
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  #2 (permalink)  
Old 02-16-2008, 05:20 AM
Peter Strömberg
 
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Default Re: CD images, is one corrupt?

"MiAr" <marends@wanadoo.nl> wrote in newsan.2003.07.13.07.02.45.386598
@wanadoo.nl:

> Hi all,
>
> I've bought the 3 CD set and it came in a good-looking box.
> First thing I did was make backup iso images on my HD and then to tape. I
> usualy do that with software I don't want to lose.
>
> I did a dd if=/dev/cdrom of=cd1.iso


Try the raw device instead of the block device,
and also add bs=2048

--
Peter Strömberg
C2K2 C2K3 ISCCIV02
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