[Pacemaker] Node recover causes resource to migrate

[Jacobo García]

Hello,

As suggested I'm trying to add the nodes via corosync-objctl.

My current config file is this one:
https://gist.github.com/therobot/4327cd0a2598d1d6bb93 using 5001 as the
nodeid on the second node.

Then I try to add the nodes with the following commands:

corosync-objctl -n totem.interface.member.memberaddr=10.34.191.212
corosync-objctl -n runtime.totem.pg.mrp.srp.members.5001.join_count=1
corosync-objctl -n runtime.totem.pg.mrp.srp.members.5000.status=joined
corosync-objctl -n untime.totem.pg.mrp.srp.members.5001.ip=r(0)
ip(10.34.191.212)


(I have a problem because the space between r(0) and ip is not respected by
corosync-objctl)

Am I on the right track? Should I abandon my quest to have an HA solution
on EC2 public network?

Thanks,



Jacobo García López de Araujo
http://thebourbaki.com | http://twitter.com/clapkent


On Wed, Jul 24, 2013 at 2:43 PM, Andrew Beekhof <andrew at beekhof.net> wrote:

>
> On 24/07/2013, at 10:09 PM, Lars Marowsky-Bree <lmb at suse.com> wrote:
>
> > On 2013-07-24T21:40:40, Andrew Beekhof <andrew at beekhof.net> wrote:
> >
> >>> Statically assigned nodeids?
> >> Wouldn't hurt, but you still need to bring down the still-active node
> to get it to talk to the new node.
> >> Which sucks
> >
> > Hm. But ... corosync/pacemaker ought to identify the node via the
> > nodeid. If it comes back with a different IP address, that shouldn't be
> > a problem.
> >
> > Oh. *thud* Just realized that it's bound to be one for unicast
> > communications, not so much mcast.
>
> Exactly.
>
> > Seems we may need some corosync magic
> > commands to edit the nodelist at runtime. (Or is that already possible
> > and I just don't know how? ;-)
>
> I believe it might be possible - I just don't know it.
> Might even be better to have it happen automagically - after-all the new
> node knows the existing node's address.
>
> But good luck getting that one through.
>
>
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