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

Thouraya TH thouraya87 at gmail.com
Mon Feb 9 10:11:55 PST 2015


Thanks a lot :)
Bests.

2015-02-09 10:08 GMT+01:00 Pavel Emelyanov <xemul at parallels.com>:

> On 02/04/2015 01:02 PM, Thouraya TH wrote:
> > 1) i have done the test *without sending results.txt
> > *
> > *restore.log*
> >
> > (00.014439)   1633: Error (files-reg.c:1024): *Can't open file
> home/results.txt on restore: No such file or directory *
>              297,1         96%
> > (00.014466)   1747:     Restoring fd 0 (state -> prepare)
>
>  298,1         96%
> > (00.014470)   1633: Error (files-reg.c:967): *Can't open file
> home/results.txt: No such file or directory
> >
> >
> > *
> > 2) i have*send *results.txt and i have this error:*
> > *00.015016)   1633: Error (files-reg.c:982): File home/results.txt has
> bad size 2117 (expect 1537)*
>
> The results.txt file size should be 1537 on restore.
>
> > *
> > *-> i have done the dumping process with -R option !
> > *
> >
> > 3)*without -R *the restart on the destination works well :)*
>
> Yes, that's because with -R tasks on the dump side continue modifying the
> results.txt
> and its size changes from what it was at dump time.
>
> > *
> > Thanks. *
> > *
> > *
> >
> > *
> > **
> > *  *
> >
> > 2015-02-04 10:42 GMT+01:00 Thouraya TH <thouraya87 at gmail.com <mailto:
> thouraya87 at gmail.com>>:
> >
> >     Hello,
> >
> >     I have done the same steps on another nodes and the process restarts
> well :)
> >
> >     *Source:*
> >     root at g-71:/home# cd  /sys/fs/cgroup
> >     root at g-71:/sys/fs/cgroup# ls
> >     cgmanager  systemd
> >
> >     *Destination: *
> >     root at g-91:/home/imgDir# cd  /sys/fs/cgroup
> >     root at g-91:/sys/fs/cgroup# ls
> >     cgmanager  systemd
> >
> >     i'd like to redirect the result of test.sh in a file (./test.sh >
> results.txt), then dumping process on the source, sending imgDir to the
> destination
> >     i ask if i had to send the file results.txt to the destination or
> not ?
> >
> >     Thanks a lot.
> >     Best Regards.
> >
> >
> >     2015-02-03 15:22 GMT+01:00 Pavel Emelyanov <xemul at parallels.com
> <mailto:xemul at parallels.com>>:
> >
> >         On 02/03/2015 04:49 PM, Thouraya TH wrote:
> >
> >         > /I also asked for the cgroups on source and destination nodes,
> you only
> >         > showed what's there in the image file./
> >         >
> >         > How can i get them ? the commad should i use ?
> >
> >         Check the /sys/fs/cgroup directory.
> >
> >         Anticipating future questions about cgroups:
> >         https://www.kernel.org/doc/Documentation/cgroups/cgroups.txt
> >
> >         Thanks,
> >         Pavel
> >
> >
> >
>
>
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