[Users] [CRIU] OVZ 7 beta - ploop backup fully functional?

Tycho Andersen tycho.andersen at canonical.com
Wed Nov 4 21:22:37 PST 2015


On Wed, Nov 04, 2015 at 08:15:41PM -0800, Kir Kolyshkin wrote:
> >BTW - criu doesn't seem entirely happy with the ovz 7 kernel:
> >
> >[root at annie ~]# uname -a
> >Linux annie.mainphrame.net <http://annie.mainphrame.net>
> >3.10.0-229.7.2.vz7.9.1 #1 SMP Wed Oct 21 17:55:13 MSK 2015 x86_64 x86_64
> >x86_64 GNU/Linux
> >[root at annie ~]# criu check
> >Error (cr-check.c:602): Kernel doesn't support PTRACE_O_SUSPEND_SECCOMP
> 
> This shouldn't bother you as far as I understand as seccomp is not being
> used.

Yep, criu >= 1.7 should fail to dump tasks where this is a problem.

> >Error (cr-check.c:749): CLONE_PARENT | CLONE_NEWPID don't work together

This one means that criu's --restore-sibling won't work correctly on
this kernel. I'm not sure if vzctl passes that to criu, though.

Tycho


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