[CRIU] How to pre-dump lxc or docker?

[Serge Hallyn]

I expect we'll have a lxc-migrate command, or options to
lxc-checkpoint, eventually.  But let's try to nail walking
with less tripping before we start running.

Quoting 陈晓 (chenxiao_study at 126.com):
> Becasue I want to dump lxc by copy on write and less the freeze time. The command lxc-checkpoint does not support --pre-images-dir,so I can not dump lxc by pre-dump.So I do not know how to pre-dump lxc.
> thanks,
> carl
> 在 2014-09-24 19:43:27，"Pavel Emelyanov" <xemul at parallels.com> 写道：
> On 09/24/2014 03:29 PM, 陈晓 wrote:
> > I hava dumped the lxc successfully with lxc tools, but how can I pre-dump lxc,
> > the command lxc-checkpoint do not support pre-dump.
> 
> Presumably you can pre-dump one manually, then dump and restore using
> LXC tools.
> 
> Why do you need pre-dump?
> 
> Thanks,
> Pavel
> 
> 
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