Using FILE VAULT - After the fact w/ Time Machine

Discussion in 'MacBook Air' started by McGilli, Dec 5, 2008.

  1. McGilli
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    macrumors 6502

    Joined:
    Nov 11, 2008
    #1
    I had planned to use FILE VAULT as soon as I got my new MBA - before I started adding programs and data to it. Anyways, i got sidetracked and as is - my new MBA is backing up to a Time Capsule without encryption.

    About 40gb worth of system/data files.


    If i NOW enable file vault - I am guessing that the Time Machine will backup an entirely new 40gb worth of data to the Time Capsule - but can anyone confirm this?

    From what I know FILE VAULT creates an 'encrypted container' around your user and system files?
     
  2. ducatidoc
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    macrumors regular

    ducatidoc

    Joined:
    Apr 20, 2008
    #2
    havent actually done this, and by all accounts i am a noob so take this with a grain of salt, but in my ultimate noob-ness i have been reading a book on os x to educate myself (after my recent switch to mac) and the book explicitly warned of this exact issue occurring with file vault and time machine.
     
  3. priller
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    macrumors regular

    Joined:
    Dec 15, 2007
    #3
    Filevault doesn't just create one big encrypted container, it creates lots of 8mb containers so I assume it would just backup only the ones that have changed.

    afaik if you've got filevault enabled timemachine wont do backups until you log out.
     

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