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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