Finder Get Info gives puzzling response
I do my SuperDuper! clones on Friday nights.
It's Saturday morning, and I decided this would be a good day to bump my Mac Pro from Lion to Mountain Lion. Just to make sure my SuperDuper! clone was up do date, I did a Finder "Get Info" on the clone, and the returned info was that the volume was last modified on Tuesday at 6 am (even though the volume had been erased and re-created in a two hour cloning operation just 3 hours earlier. The rest of this puzzle is that I don't typically DO anything with the clone other than replace it once a week, so why was it "modified" at 6 am 4 days ago? Spotlight Searches conducted from my normal boot drive return filenames of both the boot and boot clone volumes, but that's the only way I typically interact with it myself in between auto-execution of the cloning script once a week. Anyone have any idea what's going on here? On a Mac listserv I frequent, I posed this question and was told by another SuperDuper! user that he confirmed my observations. Thanks so much, Jim Robertson |
We don't do anything with Finder's Get Info - it's managed entirely by Finder. You can't rely upon that value to give you any accurate value of when the volume was modified by SD...
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I know that measuring the size of every folder on a drive requires looking inside each of them and can take a long time. I suppose checking file modification dates and volume modification dates could create similar problems. |
Absolutely not - there's nothing 'not recommended' in using standard APIs to do copies.
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Thanks for responding so quickly
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