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Originally Posted by LegendKillerUK
 Hi all, Odd problem but Disk Utility in Lion 10.7.4 is telling me that none of my DVD are large enough to fit Mountion Lion DP4 – despite the image being 4.3GB and the DVD able to fit 4.75GB. I’ve tried with 10 of my blank DVDs and I know they aren’t at fault. Anyone had this issue? |
Try this in a Terminal window:
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| hdiutil makehybrid -hfs -o <path-to-destination-dmg> <path-to-source-dmg> |
This optimizes the dmg, so that you can burn it on a DVD.
Here is an example for the Lion InstallESD.dmg:
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| hdiutil makehybrid -hfs -o ~/Desktop/InstallESD_ready2burn.dmg /Applications/Install\ Mac\ OS\ X\ Lion.app/Contents/SharedSupport/InstallESD.dmg |
Apple used the same technique for CDs in Disk Utility, but i think they removed the “optimization” option for DVDs. That is the reason why i use hdiutil. DL-DVDs are probably the easiest solution.