[ClusterLabs] simple active/active router using pacemaker+corosync

C. Handel christoph at macht-blau.org
Sat Jan 28 16:04:48 EST 2017


if you are only using ips, keepalived with two vrrp groups might be the
better solution. failover times in about two seconds.

Greetings
   Christoph

On Fri, Jan 27, 2017 at 9:33 PM, Dejan Muhamedagic <dejanmm at fastmail.fm>
wrote:

> Hi,
>
> On Fri, Jan 27, 2017 at 10:52:25AM +0100, Arturo Borrero Gonzalez wrote:
> > On 26 January 2017 at 22:31, Valentin Vidic <Valentin.Vidic at carnet.hr>
> wrote:
> > > On Thu, Jan 26, 2017 at 09:31:23PM +0100, Valentin Vidic wrote:
> > >> Guess you could create a Dummy resource and make INIFINITY colloction
> > >> constraints for the IPs so they follow Dummy as it moves between the
> > >> nodes :)
> > >
> > > In fact using resource sets this becomes one rule:
> > >
> > >   colocation ip6-leader6 inf: ( ip6a ip6b ip6c ip6d ) leader6
> > >
> > > But I also had to set:
> > >
> > >   property node-action-limit=30
> > >
> > > or the number of running resource operations was limited to
> > > 2 x number of CPUs.
> > >
> >
> > Great thanks, I couldn't find this in the docs. Any chance this get
> > included somewhere?
>
> You can find documentation for such attributes in the pengine's
> meta-data or, sometimes, crmd's. For instance:
>
> crm ra info pengine
> crm ra info crmd
>
> Thanks,
>
> Dejan
>
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