quick (and perhaps foolish) question: MD4sum of CD

Tom Diehl tdiehl at rogueind.com
Fri Sep 26 16:04:59 UTC 2003


On Fri, 26 Sep 2003, Leonard den Ottolander wrote:

> Hello Tom,
> 
> > "md5sum /dev/cdrom"
> 
>  Never realized it could be as easy as that :). I usually do a
> dd if=/dev/cdrom | md5sum
>  . Difference when using dd is that you could also specify a bs and count  
> which will avoid errors about sectors not found at the end of the disk.
> 
> > The problem with that is that it is possible for it to
> > fail and the cd still be good or so I am told.
> 
>  Why would that be? Were you told that as well? The above mentioned errors 
> should not cause md5sum to produce a wrong result.

The image is good but the cd has garbage on the back end. It is one of those
things that if the md5sum is good than all is well if it is bad then it might
still be good. :-)

HTH,

-- 
......Tom		Registered Linux User #14522	http://counter.li.org
tdiehl at rogueind.com	My current SpamTrap ------->	mtd123 at rogueind.com





More information about the fedora-test-list mailing list