On 12/06/2011 02:09 PM, Andrew Z wrote:

On Tue, Dec 6, 2011 at 4:13 PM, Todd And Margo Chester
<[email protected] <mailto:[email protected]>> wrote:

            On Tue, Dec 6, 2011 at 3:40 PM, Todd And Margo Chester
            <[email protected] <mailto:[email protected]>
            <mailto:[email protected]
            <mailto:[email protected]>__>> 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


mind to post the exact log ?


I reburned the second iso.

* Ah! Caramba! *

Look at the md5sum of the contents of the DVD vs the ISO.
There is an iso inside an iso!  And the second one is
correct!   What the ...

[editorial comment] AAAAAHHHHH!!!! [/editorial comment]

-T

$ growisofs -dvd-compat -Z /dev/sr0 ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso

Executing 'mkisofs ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso | builtin_dd of=/dev/sr0 obs=32k seek=0'
I: -input-charset not specified, using utf-8 (detected in locale settings)
  0.86% done, estimate finish Tue Dec  6 14:21:22 2011
/dev/sr0: "Current Write Speed" is 20.5x1352KBps.
  1.72% done, estimate finish Tue Dec  6 14:36:52 2011
  2.58% done, estimate finish Tue Dec  6 14:32:21 2011
  3.44% done, estimate finish Tue Dec  6 14:30:05 2011
...
 97.05% done, estimate finish Tue Dec  6 14:23:08 2011
 97.91% done, estimate finish Tue Dec  6 14:23:08 2011
 98.76% done, estimate finish Tue Dec  6 14:23:07 2011
 99.62% done, estimate finish Tue Dec  6 14:23:07 2011
Total translation table size: 0
Total rockridge attributes bytes: 0
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 0
582195 extents written (1137 MB)
builtin_dd: 582208*2KB out @ average 8.1x1352KBps
/dev/sr0: flushing cache
/dev/sr0: closing track
/dev/sr0: closing disc



$ md5sum ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso /dev/sr0
32cce790ae5eb3f435a7898431740544 ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso
fa2ff0e5301e37618729a87b1edd2d23  /dev/sr0


#  mount /dev/sr0 /mnt/cd
mount: block device /dev/sr0 is write-protected, mounting read-only

# ls -al /mnt/cd
total 1164048
dr-xr-xr-x.  1 root root        2048 Dec  6 14:21 .
drwxrwsrwx. 11 tony users       4096 Nov 17 21:29 ..
-r-xr-xr-x.  1 root root  1191979008 Jul 27 20:42 sl_61_x8.iso

#  md5sum ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso /mnt/cd/sl_61_x8.iso
32cce790ae5eb3f435a7898431740544 ./SL-61-x86_64-2011-07-27-Everything-DVD2.iso
32cce790ae5eb3f435a7898431740544  /mnt/cd/sl_61_x8.iso

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