[PVE-User] One cluster at two sites with an even number of nodes

Dmitry Petuhov mityapetuhov at gmail.com
Tue Jan 31 00:54:44 CET 2017


30.01.2017 20:48, Marco M. Gabriel wrote:
> is there kind of a best practice how to deploy a cluster with an even
> number of nodes at two different sites?
>
> In case of a split between the datacenters, none of both sites would have a
> quorum and HA would not work. I could fiddle with the number of votes on
> one site, but then HA would only work on one site if there is a connection
> loss.
>
> Any other hints maybe? Or is this a no go?
You could use single node (maybe old/weak, just for quorum) in third datacenter. But for HA between datacenters, you need shared storage that will remain available if one datacenter is offline.




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