> On Tue, 6 Dec 2011, Todd And Margo Chester wrote:
>
>>>> On Tue, Dec 6, 2011 at 3:40 PM, Todd And Margo Chester
>>>> <[log in to unmask] <mailto:[log in to unmask]>> wrote:
>>>>
>>>> Hi All,
>>>>
>>>> For some reason, I am unable to cut a DVD from an ISO.
>>>> Specifically, I am trying to cut DVDs of the SL61 DVD.
>>>>
>>>> I get bad md5sums when using from both growisofs and k3b.
>>>>
>>>> Just for kicks, I tried to boot off of DVD#1 and my BIOS
>>>> won't even recognize it as bootable.
>>>>
>>>> Would kvm have anything to do with this?
>>
>>
>> On 12/06/2011 12:54 PM, Andrew Z wrote:
>>> are you trying to burn a dvd from SL6.1 iso or you are creating
>>> an iso ?
>>
>>
>> The iso's are already make. Just trying to cut them.
>>
>> growisofs -dvd-compat -Z /dev/sr0
>> ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso
>>
>


On 12/06/2011 01:36 PM, Steven J. Yellin wrote:
 > Does 'sha1sum ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso' return
 > 0dd829f14bd32be0bb6be5feedfd97062fe45b58, the checksum given in
 > ftp://ftp.scientificlinux.org/linux/scientific/6.1/x86_64/iso/SHA1SUM
 > for that file? If so, the file is ok, and if not it isn't.
 >
 > Steven Yellin

Hi Steven,

$ sha1sum ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso
0dd829f14bd32be0bb6be5feedfd97062fe45b58 
./SL-61-x86_64-2011-07-27-Everything-DVD2.iso

That is not the problem.  This is the problem:

       md5sum source.iso /dev/sr0

-T


 >