[ClusterLabs] Limiting number of nodes that can join into a cluster

[Nikhil Utane]

Hmm. That is also a possibility. Thanks Chrissie.

On Tue, Jun 28, 2016 at 6:13 PM, Christine Caulfield <ccaulfie at redhat.com>
wrote:

> On 28/06/16 13:27, Nikhil Utane wrote:
> > Hi Klaus,
> >
> > I am using multicast to avoid having to configure the host names.
> >
>
> To be honest, if you're serious about keeping the number of nodes down,
> then careful management is the way to do it, looking for a technical fix
> is not the answer. Yes, you could reduce the #define in corosync, but
> you risk hitting previously unknown bugs that might be caused by that
> number being hit for real.
>
>
> Chrissie
>
> > -Thanks
> > Nikhil
> >
> > On Tue, Jun 28, 2016 at 5:53 PM, Klaus Wenninger <kwenning at redhat.com
> > <mailto:kwenning at redhat.com>> wrote:
> >
> >     On 06/28/2016 01:18 PM, Nikhil Utane wrote:
> >     > Hi,
> >     >
> >     > I want to limit the number of nodes that can form a cluster to
> single
> >     > digit (say 6). I can do it using application-level logic but would
> >     > like to know if there is any option in Corosync that would do it
> for
> >     > me. (Didn't find one).
> >     Going unicast you have full control over who is in your cluster and
> who
> >     is not...
> >     Not the direct answer to your question but maybe it solves your
> problem
> >     though.
> >     > If there is some #define, can I change it without any side-effect?
> >     >
> >     > -Thanks
> >     > Nikhil
> >     >
> >     >
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