I have recently upgraded from Snow Leopard to Mountain Lion. Given that I don't have a lot of space left on disk, it was not feasible to migrate from Filevault to Filevault 2. I have just noticed today that Time Machine seems to ignore my homedir sparsebundle in its backups. On Snow Leopard, it would back it up when I logged out. Now it does not do that anymore, and so I don't have any backup of my homedir since the migration to Mountain Lion. Does anyone have any ideas on how this can be fixed or worked around?

1 Answer 1


I haven't tested this on 10.8.4, but here's how I used to work around this.

  1. Make a second account that exists only for you to be able to log out completely of your main account.
  2. Log into the second account only.
  3. Start a backup so that the legacy file vault files can be backed up.

Basically, Time Machine doesn't run unless someone is logged in.

  • Ok, that sounds a bit hack-ish, but it should work... It's weird that they've changed that behavior. I'll give it a try, thanks for the answer!
    – mvarela
    Aug 6, 2013 at 15:24

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