[Pacemaker] Default gateway issues

[Andreas Kurz]

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)

Regards,
Andreas


> 
> 
> 
> Thanks for your help
> 
> -- 
> 
> 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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-- 
: Andreas Kurz					
: LINBIT | Your Way to High Availability
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