[olug] Checking DVD ISO MD5s after burning?

[Theodore Katseres]

On Sun, 27 Feb 2005 22:42:06 -0600 (GMT-06:00), K.J. Kirwan
<kjk_elec at ix.netcom.com> wrote:
> I like to run an MD5sum after burning a CD-R, to
> verify a good burn, especially for distro install ISOs.
> Recently I upgraded to a DVD burner. (+/- R/RW).
> 
> I can still burn & read back good MD5s on CD-R ISOs,
> but I haven't been able to read back a good MD5sum after
> burning a known-good DVD ISO to DVD+R.  I am not sure if
> the DVD file structure allows this.  Google hasn't helped.
> 
> The DVD burn appears to succeed, in that I can see a
> bunch of files and folders that look OK to the eye.
> 
> Is anyone burning DVD ISOs and reading back good MD5s?
> How did you do it?  K3B?  command line?  Something else?
> 
> Or has anyone gotten K3B's "verify files after burning"
> feature to "pass" successfully?  How did you do it?
> 
> If it helps, I'm using Mandrake 10.1 Official (w/ updates).
> First DVD burner tried was a LiteOn SOHW-1633S.  Upgraded
> firmware from BS0A to BS0S with no observed difference.
> Second DVD burner tried is a Plextor PX-716A.
> Media tried so far and pass/fail results are:
> CD-R, Imation (Pass).  DVD+R, TDK, 8x (????).
> DVD+RW, Fujifilm, 4x (????).
> I have not yet tried any DVD-R or DVD-RW media.
> 
> I'm also interested in any DVD+RW experiences.  Can't I
> delete/add files/folders one by one, as on Win32 Adaptec
> "Direct CD"?  I'm not crazy about K3B's "erase completely
> when first inserted" option.  Same with "force reformat",
> said to only be doable maybe 10 or 20 times (hard on disc?).
> Any advice?  Did I miss the "obviously intuitive" method?
> 
> I want to use the above either for burning a distro install
> DVD ISO to DVD+R media, or getting a data backup onto DVD+R or
> DVD+RW, and then verifying that these were done sucessfully.
> 
> Any popular mistakes or common misunderstandings here?
> Thanks for any help or suggestions.

DVD+RW writeable filesystem can be done with UDF
http://sourceforge.net/projects/linux-udf/


-- 
Ted Katseres
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