Hi everyone,
I just experienced again a check on the health of haproxy for one of our
clients which forced a failover to our backup haproxy system. I am
hoping someone has something to help with this. From looking at the
documentation it states that the mode health will not log anything if
logging is turned on. I am not finding anything in the system logs that
would indicate why haproxy would not respond which caused Nagios to send
the ha_standby to the system to fail it over. And I did not find
anything on the Monitoring system to indicate that it had a problem
either.
As this was the primary system I did not have logging turned on, I do
now and tonight when traffic is lower I will fail it back over to the
primary.
Here is my health check section in haproxy, we are running version
1.3.15.7 running on Centos x86_64 kernel 2.6.18-92.1.10.el5:
listen health_check 0.0.0.0:60000
mode health
Nagios Log entry for this event:
[1236025204] SERVICE ALERT: haproxy1;HAPROXY_HTTP;CRITICAL;HARD;1;HTTP
CRITICAL - No data received from host
The failover happened at D/T: 02-03-2009 15:20:05
Any ideas or help would be very much appreciated.
Thanks
Joe
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