Ubuntu – Which union filesystem is best supported

filesystem

I'm interested in knowing the answer to this unanswered question from the Ubuntu Forums:

I am trying to get one folder to display the content of two other folders.
…
I am a bit troubled by the different options.

  • There is unionfs, which seems to be available only via fuse in Ubuntu server, and not recommended as
    it's said to be buggy.
  • There is aufs, which people are campaigning hard to get out of the kernel.
  • There are talks about a VFS solution being developed but I can't find anything about it.

What is the best solution to use?

Which union filesystem should I choose in order to have the best support in current and future releases of Ubuntu?

Best Answer

Aufs is the union filesystem used by default for schroot and the LiveCDs. That's what I'd use, but you're right - there's not really an upstream union filesystem solution that I'm aware of.

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