[PVE-User] Change node IP addresses

Eneko Lacunza elacunza at binovo.es
Fri Jan 8 10:33:08 CET 2016

Hi Frederic,

For v3.4, I did this recently for our office cluster. It can be done, if 
IP addresses are in different subnets, make sure they're reachable from 
both subnets. You may need to "pvecm updatecerts" and also, ssh with 
root from each node to all the other nodes in the cluster, so that ssh 
keys get saved for the new IPs.

Also check /etc/hosts in all nodes.


El 08/01/16 a las 08:55, Frederic Van Espen escribió:
> Hi,
> Is it possible to change the node IP addresses without breaking the 
> cluster for an extended amount of time? Are there any caveats?
> I would like to move the PVE nodes in a separate dedicated network for 
> better security.
> Cheers,
> Frederic
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> pve-user at pve.proxmox.com
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