[PVE-User] proxmox cluster from LAN

Lonnie Cumberland lonnie at outstep.com
Tue Oct 10 16:00:59 CEST 2017


Hi Philip,

Thanks for responding to my inquiry.

For the particular project that I am working on, it seems that I will need
to establish a VPN for the nodes and will have to try and determine the
best way to go about this since I will need to bring the VPN up so that
Proxmox can utilize it for communications with the other nodes.  This
particular project as has base requirement for nodes to be on LAN's and
WAN's and my objective is to see how well we can make this work while
contending with the latency issues that may arise.

I plan on trying to set up a simple test case to see how it goes and if
there are any ways to improve this issue.

Thanks again,
Lonnie

On Tue, Oct 10, 2017 at 6:46 AM, Philip Abernethy <p.abernethy at proxmox.com>
wrote:

> For clustering to work you want all nodes to be in the same subnet. VPN can
> take care of that, but you'll have to configure it yourself.
> However corosync is very sensitive to latency and doesn't handle RTTs of
> 3ms
> or more very well. Therefore you likely don't want to connect your nodes
> via
> WAN.
>
> Philip
> On Tue, Oct 10, 2017 at 05:17:50AM -0400, Lonnie Cumberland wrote:
> > Greetings All,
> >
> > I am new to Proxmox 5.0 and am thinking that it might be a perfect fit
> for
> > a distributed cluster project that I am working on which involves VM's
> and
> > containers.
> >
> > I have been researching various Proxmox cluster setups and installations,
> > but am a bit unclear on some things for which I hope someone in the
> > community might be able to help me with answering.
> >
> > Right now, it seems that you can take 2 Proxmox installations and connect
> > then into a cluster if they are either on a LAN or on the WAN with public
> > IP's, but I am wondering if the connections are setup with a VPN between
> > the master and nodes such that you can connect LAN nodes to a WAN master
> > with a VPN between them as the LAN nodes may be on a private
> (192.168.x.x)
> > network.
> >
> > The reason this that I want to be able to scale many nodes into the same
> > cluster with some on LAN's and some VPS systems on the WAN into a
> > distributed proxmox cluster.
> >
> > I am hoping that you can add nodes on the LAN to the WAN master via a
> > builtin VPN , but am not sure on this.
> >
> > Any insight or information would be greatly appreciated.
> >
> > Best, and have a great day
> > Lonnie
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