[lxc-users] lxc progress and a few questions

[jjs - mainphrame]

Thanks for the feedback - I'm glad to see that zfs on ubuntu is a go,
despite the legal naysayers. I've been testing lxc and lxd containers on
ubuntu 16.04 running straight ext4, but I'll redo the partitioning, and/or
add disks, to provide some dedicated zfs storage.

As soon as I can scrounge a suitable box for a second lxd host, I'll be
ready to look at ct migration. The 2nd link you sent seems to indicate that
live migration wants to work, but I haven't been able to find any reports
from normal users in the field who've actually succeeded with live
migration. if I've missed something, please let me know.

Regards,

Jake



On Sun, Mar 27, 2016 at 3:24 AM, Fajar A. Nugraha <list at fajar.net> wrote:

> On Sun, Mar 27, 2016 at 8:11 AM, jjs - mainphrame <jjs at mainphrame.com>
> wrote:
> > As a long time fan of openvz, I'm impressed with how far lxc has come in
> the
> > past couple of years, and particularly impressed with how well lxd "just
> > works", particularly with the default unprivileged containers.
> >
> > I'm looking to put lxd through it's paces, and set up a couple of
> dedicated
> > machines to that end. Obviously Ubuntu 16.04 is going to be the platform
> for
> > this, but beyond that, are specific filesystem layouts recommended for
> full
> > functionality? I've read that btrfs (or zfs) are recommended for optimum
> > functionality of certain features.
>
>
> https://insights.ubuntu.com/2016/02/16/zfs-is-the-fs-for-containers-in-ubuntu-16-04/
>
> ext4 should work, but you'd be missing compression (activated in the
> fs, not lxd-specific), quick container creation (with snapshot/clone,
> managed my lxd directly), and container disk quota support. Those are
> things that comes to mind immediately, there might be others.
>
> >
> > Live container migration is the killer feature for me, but as far as I
> can
> > tell it's not yet possible with any stock distro. Is there a published
> > feature list showing which features are already implemented, which are in
> > progress, which are not yet started, etc?
>
> https://insights.ubuntu.com/2015/05/06/live-migration-in-lxd/
>
> I suggest you test the latest state yourself, either with latest 16.04
> daily build, or 14.04 with relevant ppas.
>
> --
> Fajar
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