Sorry, forgot to mention, this is haproxy version 1.5.11 On Tue, Apr 7, 2015 at 10:52 AM, Krishna Kumar Unnikrishnan (Engineering) < [email protected]> wrote:
> Hi all, > > I am moving from using LXC to KVM for haproxy on my Debian 7 system. When I > start haproxy, I get this error: > _________________________________________ > Apr 7 10:38:22 localhost haproxy[3418]: Proxy haproxy started. > Apr 7 10:38:24 localhost haproxy[3420]: Server haproxy/nginx-1 is DOWN, > reason Layer4 timeout, check duration: 2000ms. 1 active and 0 backup > servers left. 0 essions active, 0 requeued, 0 remaining in queue. > Apr 7 10:38:24 localhost haproxy[3419]: Server haproxy/nginx-1 is DOWN, > reason Layer4 timeout, check duration: 2001ms. 1 active and 0 backup > servers left. 0 essions active, 0 requeued, 0 remaining in queue. > Apr 7 10:38:25 localhost haproxy[3420]: Server haproxy/nginx-2 is DOWN, > reason Layer4 timeout, check duration: 2001ms. 0 active and 0 backup > servers left. 0 essions active, 0 requeued, 0 remaining in queue. > Apr 7 10:38:25 localhost haproxy[3420]: proxy haproxy has no server > available! > Apr 7 10:38:25 localhost haproxy[3419]: Server haproxy/nginx-2 is DOWN, > reason Layer4 timeout, check duration: 2001ms. 0 active and 0 backup > servers left. 0 essions active, 0 requeued, 0 remaining in queue. > Apr 7 10:38:25 localhost haproxy[3419]: proxy haproxy has no server > available! > > From outside the haproxy, I get the error: > # wget 192.168.122.112:80 > --2015-04-07 10:48:47-- http://192.168.122.112/ > Connecting to 192.168.122.112:80... connected. > HTTP request sent, awaiting response... 503 Service Unavailable > 2015-04-07 10:48:47 ERROR 503: Service Unavailable. > _______________________________________________________________ > > The config file is: > global > log 127.0.0.1 local0 > log 127.0.0.1 local1 notice > maxconn 65536 > daemon > quiet > nbproc 2 > debug > user haproxy > group haproxy > > defaults > log global > mode http > option dontlognull > retries 3 > option redispatch > maxconn 65536 > timeout connect 5000 > timeout client 50000 > timeout server 50000 > > #listen haproxy 192.168.122.112:80 > listen haproxy *:80 > mode http > stats enable > stats auth someuser:somepassword > balance roundrobin > option prefer-last-server > option forwardfor > option httpchk HEAD /check.txt HTTP/1.0 > server nginx-1 192.168.122.101:80 check > server nginx-2 192.168.122.102:80 check > > BTW, I could not use "listen haproxy 192.168.122.112:80", but had to use > *:80 > as haproxy does not start up with the former. It seems like haproxy > startup is > happening ahead of networking. > ______________________________________________________ > > I also stopped/restarted haproxy, but I still get the same error at start. > > root@haproxy-2:~# netstat -apn | grep :80 > tcp 0 0 0.0.0.0:80 0.0.0.0:* > LISTEN 3558/haproxy > _______________________________________________________________ > From outside haproxy, I can do a wget/curl" to either of the two servers: > > # wget 192.168.122.101:80 > --2015-04-07 10:42:28-- http://192.168.122.101/ > Connecting to 192.168.122.101:80... connected. > HTTP request sent, awaiting response... 200 OK > Length: 867 [text/html] > Saving to: `index.html' > > 100%[======================================>] 867 --.-K/s in > 0s > > 2015-04-07 10:42:28 (104 MB/s) - `index.html' saved [867/867] > _______________________________________________________________ > > And I can do the same from haproxy: > root@haproxy-2:~# wget 192.168.122.101 > --2015-04-07 10:43:48-- http://192.168.122.101/ > Connecting to 192.168.122.101:80... connected. > HTTP request sent, awaiting response... 200 OK > Length: 867 [text/html] > Saving to: `index.html' > > 100%[======================================>] 867 --.-K/s in > 0s > > 2015-04-07 10:43:48 (80.3 MB/s) - `index.html' saved [867/867] > _______________________________________________________________ > > How do I fix this problem? > > Thank you, > - KK >

