[Linux-cluster] Private Network for all cluster comms?
linux at alteeve.com
Sat Nov 20 13:01:12 UTC 2010
On 11/20/2010 05:41 AM, Colin Simpson wrote:
> > >
> > > Would this upset things with regards using keeping things the right way
> > > around in cluster.conf with regards "clusternode name" and "altname"?
> > My only real concern is that your SN could get too noisy. Personally,
> > I'd advice making it ring 0 and leaving your names alone. That said,
> > either *should* work.
> So how do you force cluster comms to a private network in cluster.conf
> if the the hostnames are still the main network names?
I use three interfaces;
eth0 = private back-channel network w/ fence devices. Hostnames (uname
-n) resolve to this interface's IP (thus being ring 0)
eth1 = private storage channel. Entries in /etc/hosts with ".sn" suffix
resolve to this interface's IP address. This is used with <altname...>,
thus, is ring 1
eth2 = Internet facing network. During setup, these have hostnames in
/etc/hosts with ".ifn" suffix resolving to IP addresses on the internet
polluted network and have nothing cluster related on them.
> I suppose also as I've never seen any reference to ring numbers in
> cluster.conf itself.
<name ...> = ring 0
<altname ...> = ring 1
Hope that helps. :)
E-Mail: digimer at alteeve.com
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