How does Time Machine saves data?

Discussion in 'Mac Apps and Mac App Store' started by LeandrodaFL, Oct 14, 2011.

  1. LeandrodaFL macrumors 6502a

    LeandrodaFL

    Joined:
    Apr 6, 2011
    #1
    I know Time Machine makes hourly backups. Since I have a 300GB hard disk, I tought my 500GB external hard drive (wich Im using for backup) would get filled in a day. It doenst, the first backup is of course your whole system, but then Time Machine simply add the upadtes aparantly.

    How are these updates writen to the disk? I mean, does Time Machine simply ads an upadte folder, or it upadtes the current last backup and keep smaller files for previows "system snapshots"?

    Im asking this cause I want to delete older backups cause I dont want my externla hard drvie filling up, but I fear "breaking" the backup.
     
  2. Mawal macrumors regular

    Joined:
    Aug 19, 2010
    #2
  3. jsm4182 macrumors 6502

    Joined:
    Apr 3, 2006
    Location:
    Beacon, NY
    #3
    When your external drive gets full Time Machine automatically deletes older backups to make room for newer backups.
     
  4. LeandrodaFL thread starter macrumors 6502a

    LeandrodaFL

    Joined:
    Apr 6, 2011
    #5
    Thanks, thread solved.

    Im creating a new one, "how to tweak Time Machine"
     

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