On Sat, Mar 7, 2009 at 2:38 AM, Willy Tarreau <[email protected]> wrote: > Hi Thomas, > > On Thu, Mar 05, 2009 at 08:45:20AM -0500, Allen, Thomas wrote: >> Hi Jeff, >> >> The thing is that if I don't include the health check, the load balancer >> works fine and each server receives equal distribution. I have no idea why >> the servers would be reported as "down" but still work when unchecked. > > It is possible that your servers expect the "Host:" header to > be set during the checks. There's a trick to do it right now > (don't forget to escape spaces) : > > option httpchk GET /index.php HTTP/1.0\r\nHost:\ www.mydomain.com >
you know Thomas, Willy may be very right here. And I just realized as well - u say u're using 'option httpchk /index.php'? - without specifying the 'GET' verb? -jf > Also, you should check the server's logs to see why it is reporting > the service as down. And as a last resort, a tcpdump of the traffic > between haproxy and a failed server will show you both the request > and the complete error from the server. > > Regards, > Willy > >
