we have exactly that setup with heartbeat, and 2 floating IPs.
Working in production for 3 years now
Owen
On 29/11/2012 3:26 PM, David Coulson wrote:
On 11/29/12 3:11 PM, Hermes Flying wrote:
I see now!
One last question since you are using Pacemaker. Do you recommend it
for splitbrain so that I look into that direction?
Any two node cluster has risk of split brain. if you implement
fencing/STONITH, you are in a better place. If you have a third node,
that's even better, even if it does not actually run any services
beyond the cluster software
I mean when you say that pacemaker restart HAProxy, does it detect
network failures as well? Or only SW crashes?
I assume pacemaker will be aware of both HAProxy1 and HAProxy2 in my
described deployment
You can have pacemaker ping an IP (gateway for example) and migrate
the VIP based on that. In my config I have haproxy configured as a
cloned resource in pacemaker, so all nodes have the same pacemaker
config for haproxy and it keeps haproxy running on all nodes all of
the time.
