Proxmox 6 nodes

[ar4743]

He guys,

I try to build Proxmox cluster in my lab, I have 6 old laptops and when I try to join them to cluster it works when is 4 but 5 and 6 are grey out or red like offline. I can connect on all nodes via ssh or web. Any idea why that or I'm doing something wrong. I'm now to Proxmox.

My lab looks like two different networks 10.20.0/24 and 10.30.0/24, does network are connected over OSPF between two routers. Maybe could be that problem?
I'm using on both sides three nodes.

For now I did solution two clusters, one on each network with ceph installed. Would be possible to do all nodes into one cluster or at least join two data centres into one management?

 

[jsterr]

Sounds ... special! You need to have one network for all nodes you wanto add into a cluster. Make sure they can ping each other and that they have a fitting line in /etc/hosts on each system.

 

[ar4743]

It's nothing much special few old mikrotics and laptops. Yes they can ping each other and when I have all 6 in cluster 4 are working ok and if I turn off one working one next one will join with green tick, whatever I do I'll have always only 4 nodes green tick, two will be red or grey. But I will be able to go on them and into shell from WebUI no problem But now I changed to two clusters in HA. Would be nice to see them all in one WebUI but for lab I don't mind.

 

[jsterr]

It's nothing much special few old mikrotics and laptops. Yes they can ping each other and when I have all 6 in cluster 4 are working ok and if I turn off one working one next one will join with green tick, whatever I do I'll have always only 4 nodes green tick, two will be red or grey. But I will be able to go on them and into shell from WebUI no problem But now I changed to two clusters in HA. Would be nice to see them all in one WebUI but for lab I don't mind.

Multi-Cluster Management via one Web-UI is not there yet.