[CRIU] Migration and Restart of http://criu.org/Simple_loop

[Ruslan Kuprieiev]

Hi Thouraya,

On 02/03/2015 01:06 PM, Thouraya TH wrote:
> Hello,
> $ cat > test.sh <<-EOF
> #!/bin/sh
> while :; do
>      sleep 1
>      date
> done
> EOF
> $ chmod +x*test.sh*
>
> I'd like to migrate and  restart this process on a new machine.
> *Fist of all*, i have done the*dumping process*:
>
> root at g-71:/home# criu dump -vvvv -o dump.log -D imgDir -R -t 1249 --shell-job && echo OK

Here you are using "--shell-job" ...

> OK
> root at g-71:/home# cd imgDir/
> root at g-71:/home/imgDir# ls
> cgroup.img      creds-1849.img  ext-files.img  filelocks.img  ids-1849.img   mm-1249.img    packetsk.img      pages-2.img      sigacts-1249.img  stats-dump
> core-1249.img   creds-1967.img  fanotify.img   fs-1249.img    ids-1967.img   mm-1849.img    pagemap-1249.img  pipes-data.img   sigacts-1849.img  timerfd.img
> core-1849.img   creds-1995.img  fdinfo-2.img   fs-1849.img    ids-1995.img   mm-1967.img    pagemap-1849.img  pipes.img        sigacts-1967.img  tty.img
> core-1967.img   dump.log        fdinfo-3.img   fs-1967.img    inetsk.img     mm-1995.img    pagemap-1967.img  pstree.img       sigacts-1995.img  tty-info.img
> core-1995.img   eventfd.img     fifo-data.img  fs-1995.img    inotify.img    netlinksk.img  pagemap-1995.img  reg-files.img    signalfd.img      tunfile.img
> creds-1249.img  eventpoll.img   fifo.img       ids-1249.img   inventory.img  ns-files.img   pages-1.img       remap-fpath.img  sk-queues.img     unixsk.img
> *Secondly*, i try to restart the process *on the same machine* but it 
> didn't work:
>
>  criu restore -d -vvv -o restore.log && echo OK

so you should use it here too. Try adding --shell-job to restore command 
and you should be fine =).

>  ps -C test.sh
>   PID TTY          TIME CMD
>
> restore.log
> ............
> ............
> (00.013583)   1249: Collecting 48/29 (flags 0)
> (00.013595)   1249: Collecting 49/31 (flags 2)
> (00.013611)   1249: Collecting 50/32 (flags 2)
> (00.013624)   1249: Collecting 71/33 (flags 2)
> (00.013631)   1249: Collecting 51/34 (flags 2)
> (00.013642)   1249: Collecting 72/35 (flags 2)
> (00.013648)   1249: Collecting 45/37 (flags 2)
> (00.013676)   1249: Collecting 44/36 (flags 2)
> (00.013690)   1249: tty: Collected tty ID 0x1
> (00.013696)   1249: Collecting 52/42 (flags 2)
> (00.013712)   1249: Collecting 34/19 (flags 0)
> (00.013723)   1249: Collecting 54/45 (flags 2)
> (00.013734)   1249: Collecting 55/38 (flags 2)
> (00.013761)   1249: Trying to read socket queues image
> (00.013774)   1249: Error (tty.c:193): tty: Found slave peer index 1 
> without correspond master peer
> (00.013791) Error (cr-restore.c:1838): Restoring FAILED.
> (00.021267) Error (cr-restore.c:1185): 1249 exited, status=1
>
> Have you an idea please ?
>
> Thanks a lot.
> Best Regards.
>
>
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> CRIU at openvz.org
> https://lists.openvz.org/mailman/listinfo/criu
Thanks,
Ruslan
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