Am Mittwoch, 4. Februar 2009 17:32:11 schrieb Michele Codutti:
> Il giorno mer, 04/02/2009 alle 16.16 +0100, Michael Schwartzkopff ha
>
> scritto:
(...)
> I've also a 2-node active-standby firewall setup in production.
> The problem with conntrackd is that it has only one sync connection with
> the other node. To solve this SPOF I wrote two RA.
> - the first one starts conntrackd and checks (in the monitor action) if
> the other node is alive, otherwise, restarts conntrackd with another
> configuration with another communication media.
> - the second simply commits the conntrack tables from the other node
> when it starts.
> Obviously you must co-locate the second resource to an IP resource (or
> in my case another custom RA that bridges some interfaces).
> The two RA are still in a work-for-me status but they proved stable for
> a while. Maybe in the next days I'll post them here to gather some
> comments.
> want to write a OCF resource for that task to be done inside
> > heartbeat you need a stateful agent. You agent below is not stateful,
> > i.e. it does not unterstand promote and demote.
> >
> > Re-thinking: Perhaps you also could state a conntrackd clone...
>
> In my implementation a clone (one for every node) of the table merging
> RA is enough.

What about interface bonding?

-- 
Dr. Michael Schwartzkopff
MultiNET Services GmbH
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