[Lxc-users] Upgrade distribution

[Stéphane Graber]

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On 03/08/2012 02:27 AM, Papp Tamas wrote:
> On 03/07/2012 07:18 PM, Stéphane Graber wrote:
>> It's "possible" but I wouldn't recommend it until 12.04.
>> 
>> In my experience upgrading will at least require you to umount 
>> /lib/init/fstab and tty[1234] and console in /dev, otherwise
>> udev, mountall and a few others will fail to upgrade.
> 
> I tried it multiple time, lucid -> ... -> oneiric was almost OK,
> but of course I made some fixes by hand.
> 
>> We fixed all this in 12.04 so that a 12.04 to 12.10 upgrade will
>> work just fine, sadly these required substantial changes to
>> upstart, mountall, udev and lxc itself that are too risky to
>> backport to older releases.
> 
> Actually udev update is still not working with 12.04 when new
> package arrives.
> 
> 
> tamas

That's most likely because you're not using a "clean" template and so
are missing a bit from your container config:
lxc.devttydir = lxc


With this one, all the console files will be in /dev/lxc/* and so udev
upgrade will work fine, well, we've seen a few bugs with apparmor
blocking the udev upgrade but apparmor is currently off and the new
apparmor will fix that.
If you're hit by the apparmor issue, running the upgrade a second time
works fine.

- -- 
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com
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