[lxc-users] openvz to lxd/lxc

[Steven Spencer]

I am using LXD, so sorry about that confusion. In my case, I think an rsync
or lsyncd will probably work best for converting the old openvz
containers.  Thanks for the response.

On Mon, Sep 12, 2016 at 12:56 PM, Sean McNamara <smcnam at gmail.com> wrote:

> Firstly you will need to decide whether you want to use lxc, or lxd.
> There is no such thing as "lxd/lxc" as the two tools are completely
> separate, pretty different in behavior, and the interface for
> interacting with them is completely different.
>
> However, in the general case of any arbitrary Linux-based OS in an
> OpenVZ container, there's a fairly high chance that some random
> service or another will fail (for a multitude of reasons) if you try
> to boot its disk image under lxc or lxd; indeed, it may not even boot.
>
> It depends on what your container's OS is, though. An OpenVZ image of,
> say, Ubuntu 16.04, *might* be a better fit for direct copying into an
> lxc or lxd container, though you would still have to at least adjust
> things like networking, user and group IDs, and things like that.
>
> There is no general-purpose "command structure" that will work with
> *all* OpenVZ containers across *all* OpenVZ versions and allow
> successful, problem-free importing into any arbitrary version of lxc
> or lxd, though. You can try copying the raw files of the image into an
> lxd or lxc container you've created from scratch and then see if it
> boots, and fix it where it fails; or you can take the (IMO) easier
> path, and create a new container and then copy over the files you need
> via the host.
>
>
> On Mon, Sep 12, 2016 at 1:33 PM, Steven Spencer <sspencerwire at gmail.com>
> wrote:
> > Greetings,
> >
> > Is there a command structure that will allow for an import of an openvz
> > container into lxd/lxc or is the best method to use a new container and
> > rsync any content needed?
> >
> > Thanks,
> > Steven G. Spencer
> >
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