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10.5: Repair Time Machine after logic board changes
Authored by: tnmacguy on Apr 04, '08 08:35:04PM

I went through this, and was still getting Time Machine attempting to back up EVERYTHING. I kept trying, and couldn't figure it out.

Then I had my "aha" moment. I went and looked at the folder where TM keeps the backups, <YourTMDrive>/Backups.backupdb/, and saw that there was BOTH my original backups folder <mymachinename>, and the new folder, <mymachinename 2>. The exact same folder name, with the number (2) appended to it, with a space between.

I deleted the folder <mymachinename 2>, told TM to backup NOW, and it appears to be going to work!

Hope this helps. BTW, I had gone to the local apple store, and they emphasized that Apple does not support this. The Genius's suggestion, which I must admit would have been good, was to have installed Leopard, and then imported data from the TM backup. I guess that would have BOTH setup the machine with the old data, and converted those old backups to be pointed to this new machine.

Lastly, it finally dawned on me what the original author meant with his post - not "repair", but "re-pair", as to re-associate the backups with a different logic board or machine! Ah, the power of the hyphen!

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10.5: Repair Time Machine after logic board changes
Authored by: tnmacguy on Apr 05, '08 07:48:06PM

Well, to continue the saga - after many hours, TM backed up my new machine to the original archive(s) which had been created by/for/with the original laptop.

HOWEVER, it still said it needed to backup over 100 gigs of data. Not everything on the machine, but an awful lot. So, it deleted the older data to make enough room for the new backup. Which is happening as I'm writing this.

I guess it's good that I got them all "together", however, I'm a little perplexed as to why it thought it needed to backup so much data that should've already been there. (Remember, this drive was created by cloning the original laptop drive with Carbon Copy Cloner.)

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