SuperDuper! not loading on Lion

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Originally Posted by dnanian

Um, no - we actually require ownership to be on, and turn it on after we run. Perhaps the drive were set up to be read-only for your user?

That's what unchecking the ownership box does. "Ignore ownership on this volume" Checking it means to ignore, unchecking is what I believe SuperDuper! used to do under 10.6.8 but it looks like things have changed in Lion. This might be something for you to check and confirm.

I discovered this when installing Lion on an external drive. It installed fine under 10.6.8 but I couldn't boot it under Lion, if fact my Lion computer would not even see the drive when connected by Firewire. It would when connected by USB. I sent the drive back to OWC and they said it was fine. I tested my drive in another housing that I knew worked and it wouldn't see it. I finally saw the ownership checkbox, unchecked it and everything is fine. Under 10.6.8, it didn't seem to matter. I could boot off a backup drive that had Ignore ownership checked but not with Lion. Of course, I could be going crazy but I think this is one of those things that's changed in Lion.