Just a thought ... have you tried running the RedHat "cd check" that you
can do when you boot from the cd-rom's?  It may be worth checking out

-Jon

On Tue, 2002-10-29 at 17:58, Bret Hughes wrote:
> I am trying to verify a copy of a purchased RHL 7.3 cd set. 
> 
> I burned the first cd and it appears to work (boots up ok anyway) but I
> can't seem to verify the md5 sum and get a number I have any where elase
> so I am assuming that there is a problem.  If I try to verify the
> origianl disk against the iso checksum from the redhat site I don't get
> the same number either. 
> 
> what am I doing wrong? 
> 
> the script that I am using to make the copy is :
> 
> #!/bin/bash
> 
> # Copy a data CD directly from one drive to another.
> # used on compaq2
> SPEED=4
> WRITER=1,4,0   #scsi cdrom. run cdrecord -scanbus if this is not correct
> READER=/dev/cdrom
> 
> cdrecord -isosize  -v dev=$WRITER speed=$SPEED $READER
> 
> the command I am running to calculate the md5sum is :
> 
> dd if=/dev/cdrom bs=2048 count=329956 | md5sum
> 
> not sure where I got the count.  I found the reference in the archives.
> 
> 
> is there some magic to md5suming cds?
> 
> diff -r /mnt/cdrom /mnt/cdrw returns nothing after about 10 minutes or
> so.  I am assumming that the copies are actually OK.  Just wondering
> about the cds
> 
> TIA
> 
> Bret
> 
> 
> 
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-- 
-Jon "GenKiller" Gaudette
Digital Drip Webmaster (digital-drip.com)
CNCNZ Co-Webmaster (cncnz.com)



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