[lvs-users] Load Balancer Not Listening on Specified Ports

Graeme Fowler graeme at graemef.net
Mon Nov 2 21:35:52 GMT 2009


On Mon, 2009-11-02 at 13:19 -0800, mojorising wrote:
> Okay. I've finally had time to come back to this. I've looked over
> your latest message and now think I'm kinda stuck.

Uh-oh.

> I checked /var/log/messages and see those same nanny messages like this:
> 
> Nov  2 11:59:20 omsbuild nanny[25772]: READ to 192.168.18.29:80 timed out
> 
> but I don't see anything more from nanny on my system. Is there
> another place on the server I can get nanny log information?

No idea. Nanny is RedHat's monitoring widget, and is supported by them
as part of the Piranha package.

> The ipvsadm commands are helpful to know, yet there isn't much for
> them to report right now:

Well... if nanny cannout connect to the HTTP server on your realservers,
it won't work.

That said I notice that the virtual service is on the webcache port...
are the realservers webcache servers or HTTP servers? If you change
from :80 to :3128, does the behaviour change?

My next suggestion would be to try ldirectord and heartbeat together, or
keepalived on its own - they're better understood here.

Graeme





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