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What happens to Time Machine if my backup drive isn't connected?

597 Views 3 Replies Latest reply: Oct 25, 2012 5:07 AM by seventy one RSS
Sockatume Level 1 Level 1 (5 points)
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Oct 25, 2012 1:38 AM

I've got Time Machine set up to back up a MacOS Leopard Macbook to an external drive. Because of the way this computer is used, it's usually not plugged into the backup drive.


What does Time Machine do in this situation? Does it keep track of all the changes since it last saw the backup drive, or does it only keep one increment between the last backup and the current one? Does it still automatically back up, or do I have to prompt it?


I understand that Lion has a feature that keeps local backups until it sees the backup drive again, but it's not clear to me (because Apple updates the Time Machine support documents to reflect only the latest version of the OS...) whether something like this happens in Leopard.


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