[CRIU] Use page-server option in RPC mode

Hui Kang hkang.sunysb at gmail.com
Wed Apr 22 07:12:53 PDT 2015


On Wed, Apr 22, 2015 at 10:08 AM, Pavel Emelyanov <xemul at parallels.com>
wrote:

> On 04/22/2015 04:37 PM, Hui Kang wrote:
> > Hi, Pavel,
> > I did create a pair of socket on the host B. When I send "criu dump" RPC
> without
> > "--page-server --port", the RPC call succeed. However, when the RPC can
> not talk
> > to the page server in the remote machine.
>
> Wait a second, you told you were sending dump request from host B to host
> A.
>
> Let's clarify -- the page server is on A, the criu service is on B, the
> process
> you want to dump is on B too. And you send dump request form host B where
> to?
>

I would like to send RPC dump request to criu service on host B, with
"--page-server [host A's IP] --port [host A's port]". So that the criu
service (swrk) in host B can send dumped page to host A.


>
> Can you also check the dump logs for the line
>
>     "Connecting to server"
>
> to see one you need to set up the 4th log level.
>

will do


>
> > I am wondering if there is any sample code for page-server in RPC call.
>
> Yes, the p.haul project does this:
> https://github.com/xemul/p.haul/
>
> but in a slightly different manner.
>

Thanks.


>
> -- Pavel
>
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