disk first aid and time machine

Discussion in 'macOS' started by jerwin, Aug 9, 2016.

  1. jerwin macrumors 68020

    Jun 13, 2015
    I'm trying to run disk first aid on a time machine disk. It's a 2 GB disk, with about 628 GB used.

    How long should it take to run "Checking multilinked files."?
    Would it run faster if it had more memory to play with? Currently it's using only 3.01 GB. Apparently fsck-hfs has a '-c' flag if run from the command line.
    Is there any way to safely abort the process?
  2. KALLT macrumors 601

    Sep 23, 2008
    Checking Time Machine partitions can take a long time. Apple uses hard links to create the illusion of a huge drive and this is pretty much exclusive to Time Machine. I am quite sure that this is what causes the delay.
  3. jerwin thread starter macrumors 68020

    Jun 13, 2015
    BTW, running with "-c 8g" produces a memory footprint of 3.01g. So there are limits to the program's appetite.

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