[PVE-User] pve-cluster won't start with large ssh_known_hosts

[Dietmar Maurer]

> In what ways does Proxmox VE use SSH?  Skimming the code, I see that it uses
> SSH (1) to establish VNC tunnels and (2) to add new nodes to the cluster ("pvecm
> add").  Anything else?

Yes, we just need to be able to ssh to any cluster node.

> It would then follow that the known_hosts file in pmxcfs is just for deploying
> host keys for (1) hosts that are in the cluster and (2) hosts that are being added
> to the cluster.  For both cases, the set of host keys is quite small and well known.

yes.

> It would be just as good to register specific host keys into pmxcfs when adding
> the hosts to the cluster.

I thought that is what we are doing currently?

Or do you suggest that we should explicitly set the path to those files instead
of using the standard locations and symlinks?

- Dietmar