Am Dienstag, 8. September 2009 20:42:25 schrieb Christoph Lechner:
> Michael Schwartzkopff wrote:
> > Am Dienstag, 8. September 2009 20:15:31 schrieb Christoph Lechner:
> > (...)
> >
> >> For the production setup I planned the Ethernet replication link and a
> >> serial null modem cable. I know the serial cable can really slow down a
> >> CRM based setup. But I'm going to pay the price because if I mess the
> >> firewall two independent Ethernet links still don't prevent a
> >> split-brain.
> >
> > Do NOT use serail interconnects any more. No possiblilty for serial lines
> > in openais any more. And they are definitely too slow for recent cluster
> > managers.
>
> OK. What should I use then? Two independent Ethernet links?
>
> I'm really afraid of screwing the firewall setup only for a few seconds
> and having a split-brain afterwards.

??? Firewall ???

Why do you need a DRBD for a firewall??? A firewall is a classic example for NO-
shared data.

If you want to use DRBD use two independend etherner channels and make a bond 
interface. 

For the firewall see:
http://www.multinet.de/HAFirewall

Greetings,

-- 
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany
Tel: +49 - 89 - 45 69 11 0
Fax: +49 - 89 - 45 69 11 21
mob: +49 - 174 - 343 28 75

mail: [email protected]
web: www.multinet.de

Sitz der Gesellschaft: 85630 Grasbrunn
Registergericht: Amtsgericht München HRB 114375
Geschäftsführer: Günter Jurgeneit, Hubert Martens

---

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Skype: misch42
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