On 10/02/2010 01:40 AM, Andre Robatino wrote: > JD<jd1008<at> gmail.com> writes: > >> I burned Fedora-14-Beta-i386-DVD.iso to blank dvd. >> One time I used wodim, and 2nd time I used growisofs. >> After each burn, I would dd the dvd back in: >> >> dd if=/dev/sr0 of=f14.iso bs=2k >> >> In both cases the size of f14.iso was 10240 bytes larger than >> Fedora-14-Beta-i386-DVD.iso. > In general this won't work unless dd is told exactly how much to read off. > Unfortunately, it works often enough that people think it's supposed to. Use the > rawread script from > > http://www.troubleshooters.com/linux/coasterless.htm#rawread > > instead. This determines the ISO size from the ISO header and then automatically > reads off the right amount. > > There is a defect in the Live and netinst images (which started in F12 Alpha, > and only affected i386 and x86_64, not ppc), in that they are larger than the > ISO header indicates: > > https://bugzilla.redhat.com/show_bug.cgi?id=585006 > > To read these off properly, the rawread script won't work, since it assumes that > the ISO header size is correct. Instead, you have to manually compose a dd > command that reads off the size corresponding to the actual ISO file (not the > size in the ISO header). Thank you Andre. Very good info!! JD -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
