I have been backing up a MacBook Pro to an external hard disk with Time Machine. I got a new laptop, used the firewire connector to pull the universe across to it, and started it up. It does not want to just pick up where I left off with the backups; it wants to start a new backup sequence and thus I need a ton of additional disk space.
Does anyone know a way to force it to just incrementally back up to the existing backup set?
Answer
It turns out that under Snow Leopard, Apple has allowed for this. When you turn on TM for the first time, it will ask you:
Would you like to reuse the backup [..] with this computer?
The backup was created on a different computer. If you reuse this backup it can no longer be used by the original computer.
I was mislead by the wording, but it turns out to mean just what's called for here: continuing the backup sequence on the new machine as if it were the old machine.
Image from blog.gerrior.com, in an article about logic board replacement (probably using the very same hard drive!)
No comments:
Post a Comment