Hi Phil, You have 2 options: 1. define active and backup servers in the same backend and use the option allbackups to use all backup servers in the mean time 2. define an active backend and a backup backend, then use the acl nb_srv to count the number of servers in the active backend and decided to switch the traffic to the other backend one a threshlod has been reached.
Baptiste On Tue, Sep 3, 2013 at 10:49 AM, Phil Daws <[email protected]> wrote: > Hello, > > I have a configuration where I am proxying front-end connections to a > back-end service: > > frontend security-frontend > bind 192.168.1.10:3307 > maxconn 2000 > default_backend security-backend > > backend security-backend > mode tcp > balance roundrobin > option httpchk > server sec1 192.168.2.10:3307 check port 10000 > > but now I would like to add a backup to the security-backend. Is the only > option to have something like: > > server sec2 X.X.X.X backup > > or is it possible to use another back-end group that has already been defined > eg. > > backend mysql-backend > mode tcp > balance roundrobin > option httpchk > server mysq1 192.168.2.20:3307 check port 10000 > server mysq1 192.168.2.21:3307 check port 10000 > server mysq1 192.168.2.22:3307 check port 10000 > > Thanks. >
