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My question sums it up. I would like to go back in time on a partition on an external drive which is formatted on APFS. Decrypting a VirtualBox image, VBox crashed (as it does all the time in Mojave) and since then the disk image is corrupt. I was wondering if there's a way to go back to a previous state using APFS Snapshots.

Thanks!

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  • Did you already save a snapsho? Are you attempting to return to one was automatically created? If neither, then no, you can't retrospectively go back to one that doesn't exist, that's what Time Machine is for.
    – Tetsujin
    Commented Aug 2, 2019 at 16:05
  • The real answer here is, don't use VirtualBox. It's worth everything you paid for it.
    – Marc Wilson
    Commented Aug 3, 2019 at 16:55
  • No I didn’t manually create a snapshot. Is there a way to configure APFS to create automatic snapshots? I don’t use time machine on my external drives, honestly. It’s also not the default behaviour. But might change that from now on.
    – Javi Hache
    Commented Aug 3, 2019 at 18:32
  • Regarding VirtualBox, I have observes that it’s extremely unrealiable under Mojave and fails a lot. However it’s also depending on the computer model. On a Macbook Air 2017 it works fine. Maybe it has to do with Resolutions? Also I would love to use Whonix with Parallels, but I haven’t found a way to make it work.
    – Javi Hache
    Commented Aug 3, 2019 at 18:33
  • APFS has transactional copy-on-write behaviour, so, in theory, you can revert to a previous, recent state, but there is no official mechanism for doing so.
    – Jivan Pal
    Commented Nov 24, 2019 at 5:12

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