Bug#806949: ifupdown: some tweaks to networking.service

[Martin Pitt]

Hello Michael,

Michael Biebl [2015-12-20 20:48 +0100]:
> I still think though, that we should consider allow-hotplug interfaces
> when dealing with network-online.target.
> 
> The reason is, that the debian installer uses allow-hotplug by default.

Argh, this is indeed a tremendously bad default. So far I had the
impression that "auto" is for "must be present for booting", and
"allow-hotplug" is for "bring it up when present, but don't block on
it on boot". But if the installer always uses allow-hotplug, then I
think that completely defies trying to make any difference between the
two.

Guus, what is the difference from your POV?  It seems to me that this
isn't cleanly defined.

> And mounting remote file systems under systemd requires a properly
> hooked up network-online.target.
> Which means, for the vast majority of users with remote (NFS) mounts we
> currently ship a broken setup.

Indeed, and I don't see how this could even be fixed automatically
with package maintainer scripts, as we don't know whether the admin
configured a-h deliberately or whether it was put there by the
installer. :-(

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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