openstack team mailing list archive

[Christian Parpart <trapni@xxxxxxxxx>]

I don't think putting the controller node completely into a VM is a good
advice,
at least when speaking of nova-scheduler and nova-api (if central).

I may be wrong, and if so, please correct me.

Christian.

On Thu, Jun 14, 2012 at 7:20 PM, Igor Laskovy <igor.laskovy@xxxxxxxxx>wrote:

> Hi, have any updates there?
> Can anybody clarify what happens if controller nodes just going hard
> shutdown?
>
> I thinking about solution with two hypervisors and putting controller
> node in VM shared storage, which can be relaunched when active
> hypervisor will die.
> Any ideas, advise?
>
>
> On Tue, Jun 12, 2012 at 3:52 PM, John Garbutt <John.Garbutt@xxxxxxxxxx>
> wrote:
> > Sure, I get your point.
> >
> > I think Florian is working on some docs to help on that.
> >
> > Not sure how much has been done already.
> >
> >
> >
> > Cheers,
> >
> > John
> >
> >
> >
> > From: Christian Parpart [mailto:trapni@xxxxxxxxx]
> > Sent: 12 June 2012 13:47
> > To: John Garbutt
> > Cc: openstack-operators@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Openstack-operators] Nova Controller HA issues
> >
> >
> >
> > Hey, ya I also found this page, but didn't find it yet that helpful, it
> > rather much sounds like a theoretical paper on
> >
> > how they implemented it rather then telling me on how to actually make it
> > happen (from the sysop point of view :-)
> >
> >
> >
> > I hoped that someone had to face this already, since I really find it
> very
> > unintuitive to realize, or need to wait until
> >
> > I get more time to investigate dedicated. :-)
> >
> >
> >
> > Regards,
> >
> > Christian.
> >
> > On Tue, Jun 12, 2012 at 12:52 PM, John Garbutt <John.Garbutt@xxxxxxxxxx>
> > wrote:
> >
> > I thought Rabbit had a built in HA solution these days:
> >
> > http://www.rabbitmq.com/ha.html
> >
> >
> >
> > From: openstack-operators-bounces@xxxxxxxxxxxxxxxxxxx
> > [mailto:openstack-operators-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> > Christian Parpart
> > Sent: 12 June 2012 09:59
> > To: openstack-operators@xxxxxxxxxxxxxxxxxxx
> > Subject: [Openstack-operators] Nova Controller HA issues
> >
> >
> >
> > Hi all,
> >
> >
> >
> > after spending the whole evening in making our cloud controller node
> highly
> > available
> >
> > using Corosync/Pacemaker, at which I am really proud about it, I am
> having
> > just a few
> >
> > problems left, and the one that freaks me out the most is
> rabbitmq-server.
> >
> >
> >
> > That beast I just seem to find no good documenation on how to set
> > rabbitmq-server up
> >
> > properly for HA'ing.
> >
> >
> >
> > Does anyone have ever tried to set a nova controller (including rabbitmq
> > dependency) up for HAing?
> >
> > If so, I'd be pleased to share experiences, especially to the latter
> part.
> > :-)
> >
> >
> >
> > Best regards,
> >
> > Christian Parpart
> >
> >
> >
> >
> > _______________________________________________
> > Openstack-operators mailing list
> > Openstack-operators@xxxxxxxxxxxxxxxxxxx
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> >
>
>
>
> --
> Igor Laskovy
> Kiev, Ukraine
>