Hi.
aufs was reliable for us on Oneiric when creating ephemeral lxc
instances based on an underlying template. The most recent overlayfs
issue that we discovered is today's
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/944386
The summary is that, within an overlayfs, this fails:
gary@garubtosh:~/tmp$ touch 3
gary@garubtosh:~/tmp$ chmod 0444 3
gary@garubtosh:~/tmp$ ln 3 4
ln: failed to create hard link `4' => `3': Operation not permitted
That error makes xvfb unable to start, in this particular case.
I'd feel a *lot* more comfortable if aufs were still around, in case we
end up not finding the next overlayfs bug until it is too late for our
project's delivery.
Thank you,
Gary
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