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Re: More CD-RW Burning Issues...



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On Fri, 14 Mar 2003 16:17:52 -0500, christian xpogen xxx wrote:

> I'm afraid padding isn't the culprit; it seems harmless.
> 
> It was on when I burnt psyche disks, and the effect seems to be a few
> kilobytes of NUL appended.  Consequently, the result of md5sum doesn't
> match what's in MD5SUM.  But the MD5 sum agrees if you trim to the
> true length of the image, e.g.,
> 
>   head -654321088c /dev/cdrom | md5sum
> 
> The disks mount just fine, and installation works.

This is exactly _the_ reason for using padding when burning data
discs in track-at-once (TAO) mode as opposed to disk-at-once (DAO)
mode without padding (the preferred method). If you did not enable
the padding when using TAO mode, you could not easily avoid the
run-out sectors at the end and would get I/O errors. With padding,
however, you can strip to the size of the ISO image without getting
I/O errors at the end.

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