Hello Oliver,
redispatch is broken since commit 25b401536 ("BUG/MEDIUM: connection:
Just make sure we closed the fd on connection failure"). It simply
fails to connect to the next server.
1.9 is affected.
Repro:
global
log 10.0.0.4:514 len 65535 local1 debug
maxconn 1000
defaults
log global
mode http
option httplog
timeout connect 1s
timeout client 30s
timeout server 30s
retries 3
option redispatch 1
frontend http-in
bind :80
default_backend mybak
backend mybak
mode http
balance first
server primary-fail 10.0.0.199:80 # this server is unreachable
server backup-ok 10.0.0.254:80
cheers,
lukas