Time Machine and Switching Main Drive

Discussion in 'Mac OS X Lion (10.7)' started by DockMac, Nov 14, 2011.

  1. DockMac macrumors regular

    Joined:
    Dec 22, 2008
    #1
    I had two notebooks and swapped their HD's. My external Time Machine Backup does not recognize the old drive, in the new notebook as it's place to "backup". How do I force Time Machine to make the Backup on the external drive, without starting an entirely new backup?
     
  2. johnhurley macrumors 6502a

    johnhurley

    Joined:
    Aug 29, 2011
    #2
    Dunno about forcing it ... sorry.

    Any reason why starting an entirely new backup ( aka by erasing that partition and then pointing time machine to it ) is such a bad idea?

    I like to start over periodically to make sure I have a fresh new complete backup.
     
  3. DockMac thread starter macrumors regular

    Joined:
    Dec 22, 2008
    #3
    Unfortunately, I have other computers backed up to the same external, so wiping it clean isn't really an option. The other reason is that the drive is nearly at capacity, and I rely on Time Machine just to delete the oldest backup to write new data.
     

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