[ClusterLabs] Corosync maximum nodes

[Christine Caulfield]

On 27/01/17 09:43, Гюльнара Невежина wrote:
> Hello!
> I'm very sorry to disturb you with such question but I can't find
> information if there is maximum nodes' limit in corosync? I've found a
> bug report https://bugzilla.redhat.com/show_bug.cgi?id=905296#c5 with
> "Corosync has hardcoded maximum number of nodes to 64" but it was posted
> 4 years ago.. 
> If anybody knows how many nodes I can add to future HA cluster? 
> 


Even at 64 nodes, corosync needs some tuning to make it reliable. If you
want to go above around 32 nodes then pacemaker-remote is probably the
least stressful (and recommended) way of doing it.

http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html-single/Pacemaker_Remote/

Chrissie