From owner-freebsd-hardware@FreeBSD.ORG  Mon Feb  9 20:36:52 2004
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Date: Mon, 9 Feb 2004 20:36:47 -0800 (PST)
From: Dan Strick <strick@covad.net>
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To: barney@databus.com
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cc: dan@mist.nodomain
cc: freebsd-hardware@freebsd.org
Subject: Re: short read from CD-RW
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On Mon, Feb 09, 2004 at 03:47:29PM -0800, I wrote:
>>
> I just wrote an iso image to a virgin CD-RW with the following command:
> ...
> which is consistent with the iso image file size = 672792576 bytes =
> 657024 KB = 328512 2KB records.  When I read the data back in from
> the CD with this command:
> 
> 	dd if=/dev/acd0c of=xxx bs=2k
> 
> the dd program says:
> 
> 	dd: /dev/acd0c: Input/output error
> 	328510+0 records in
> 	328510+0 records out
> 	672788480 bytes transferred in 252.669511 secs (2662721 bytes/sec)
>>

On Mon, 9 Feb 2004 23:07:19 -0500, Barney Wolff wrote:
>>
> Was the blank 700MB, or 650?  Various people have had trouble writing
> the 5.2.1 cd to the latter, or at least were worried about it.
>>

The medium I used is a Memorex 700 MB (80 minute) "ultra speed" CD-RW.

Dan Strick
strick@covad.net