[CRIU] Live migration of LXC containers using Criu?

[Divjyot sethi]

Hey Pavel,
I have been trying to setup OpenVZ on fedora 20 as you had advised for the
past few days. I was able to create a container and start it. However, I am
unable to enter the container (gives error:


*Directory /proc/vz not found, assuming non-OpenVZ kernelenter into CT 1002
failedUnable to open pty: No such file or directory*).

I tried the instructions on *http://wiki.openvz.org/Container_enter_failed
<http://wiki.openvz.org/Container_enter_failed>*, and,
*https://openvz.org/Vzctl_for_upstream_kernel
<https://openvz.org/Vzctl_for_upstream_kernel>* but no luck. Since this is
an upstream kernel - not sure if there are any patches available for this?
(I have been booting regular kernel).

Can you please help me with setting this up? Also, did you patch your
kernel? Were you able to enter the container or you just ssh to it instead?

Finally, not sure if this question is apt for this mailing list? If not, is
there an alternate mailing list to which I can email?

Thanks for your help!
Divjyot

On Fri, Apr 24, 2015 at 3:56 AM, Pavel Emelyanov <xemul at parallels.com>
wrote:

> On 04/23/2015 11:29 PM, Divjyot sethi wrote:
> > Hey Pavel,
> > Can you please let me know which kernel version this works with? I am
> setting up openvz
> > on kernel > 3.x using this article:
> https://openvz.org/Vzctl_for_upstream_kernel.
> > Hoping pre-copy live migration will work with this?
>
> The 3.11 is minimal requirement for criu itself and for pre-copy live
> migration too.
>
> This is how I did it for openvz on Fedora:
>
>
> https://github.com/xemul/p.haul/wiki/Live-migrating-OVZ-mainstream-container
>
> > Thanks,
> > Divjyot
>
> -- Pavel
>
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