[Pacemaker] Default gateway issues

[Albéric de Pertat]

Le lundi 08 août 2011 12:25:25, Albéric de Pertat a écrit :
> Le lundi 08 août 2011 12:01:06, Andreas Kurz a écrit :
> > On 2011-08-05 15:57, Albéric de Pertat wrote:
> > > Hi,
> > > 
> > > 
> > > I'm beginning to use pacemaker and I have come across the following
> > > problem :
> > > 
> > > 
> > > I have two nodes with ips 10.0.9.11/24 and 10.0.9.12/24 routed via
> > > 10.0.9.254. I have declared an IPaddr resource for 10.0.10.10/24. So
> > > far so good.
> > > 
> > > 
> > > primitive ip ocf:heartbeat:IPaddr \
> > > 
> > > params ip="10.0.10.10" cidr_netmask="24" nic="eth0" \
> > > 
> > > broadcast="10.0.10.255"
> > > 
> > > 
> > > Then I added a Route resource like so :
> > > 
> > > 
> > > primitive gw ocf:heartbeat:Route \
> > > 
> > > params destination="0.0.0.0/0" gateway="10.0.10.1"
> > > 
> > > 
> > > This also works fine. The problems come if I try to move the resources.
> > > If I standby the node where ip is running, the resources ip and gw will
> > > move fine but the first node will be left without a default gateway as
> > > the Route RA simply deletes it when it stops, whether it's been added
> > > by the cluster or not.
> > > 
> > > 
> > > I have tried several pacemaker configurations, none of which worked,
> > > and I am beginning to think I should not have my "passive" gateway in
> > > the cluster at all. Is there a way to do this or should I modify the
> > > Route RA so that it saves the gateway before replacing it ?
> > 
> > use two routing tables, one including the default gateway w/o cluster
> > and one where the Route RA can add the "cluster-gateway" (table with
> > higher priority, empty if cluster not running/resource not startet)
> 
> I will give it a try ASAP. I'll let you know. Thanks a lot.

Works like a charm. Thanks to all.
-- 
Albéric de Pertat
ADELUX: http://www.adelux.fr
Tel: 01 40 86 45 81
GPG: http://www.adelux.fr/societe/gpg/alberic.asc
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