[lxc-users] How to configure lxd to comply with commands

[jjs - mainphrame]

Hi Stephane -

I unmounted /sys/kernel/debug/tracing/ and /sys/kernel/debug/ but the live
migration still exited with an error:

root at olympia:~# lxc move kangal lxd1:
error: Error transferring container data: migration restore failed
(00.075981)      1: Error (mount.c:2289): mnt: Can't mount at
./sys/kernel/debug: Operation not permitted
(00.090562) Error (cr-restore.c:1350): 24081 exited, status=1
(00.147136) Error (cr-restore.c:2182): Restoring FAILED.

But good old dead migration worked, so there is at least some motivation to
move my lxc VEs to lxd.

In the meantime, I'll continue to monitor the announcements for good news
on the live migration front.

Regards,

Jake

On Wed, Aug 17, 2016 at 3:29 PM, jjs - mainphrame <jjs at mainphrame.com>
wrote:

> Thanks Stephane -
>
> Yes, I'd definitely intended to do live migration. I could swear that
> exact functionality had been working at some point in the past. Glad to
> know it's not just me.
>
> I'll give your suggestion a try.
>
> Jake
>
> On Wed, Aug 17, 2016 at 3:16 PM, Stéphane Graber <stgraber at ubuntu.com>
> wrote:
>
>> You're making progress, now the two LXD daemons are definitely talking
>> to each other. You're running into CRIU issues :)
>>
>> If you did not intend to do live migration, then stop the source
>> container and try moving it again.
>>
>> If you did intend to use live migration, then there are quite a few
>> issues still being worked on:
>> https://launchpad.net/ubuntu/+source/criu/+bugs
>>
>> Yours appears to be number 3 on that list.
>>
>> You can workaround it by unmounting /sys/kernel/debug/tracing/ and
>> /sys/kernel/debug/ in your source container.
>>
>> On Wed, Aug 17, 2016 at 03:11:38PM -0700, jjs - mainphrame wrote:
>> > Aw, shucks, it was looking like it might work - but no joy.
>> >
>> > root at olympia:~# lxc config set core.https_address 192.168.111.193:8443
>> > root at olympia:~# lxc move kangal lxd1:
>> > error: Error transferring container data: migration restore failed
>> > (00.192913)      1: Error (mount.c:2406): mnt: Can't mount at
>> > ./sys/kernel/debug: Invalid argument
>> > (00.206829) Error (cr-restore.c:1352): 23251 killed by signal 9
>> > (00.255466) Error (cr-restore.c:2182): Restoring FAILED.
>> >
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>>
>
>
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