Proxmox cluster of 1

[Lucian]

Hi,

I am evaluating hypervisors and I need to know whether it's possible to make a cluster with just one hypervisor.

The reason I am asking is because I want to later be able to expand the setup with additional hypervisors and I can't expand standalone hypervisors without removing the VMs etc.

Thanks

 

[tschanness]

it won't be a cluster but you can start with one node and then add as many as you like.

 

[Lucian]

It's my understanding that to create a cluster you need to start with fresh hypervisors, without VMs running.
I am trying to force a "cluster of one" so that I can run VMs on it and if later I want to add another to the cluster it won't mess up my virtual machines.
Am I missing something?

 

[tschanness]

You can create a cluster with existing VMs as long as you don't have any vmid more than once. So if you have an "empty" second server it won't be any problem adding it to the cluster.