thanks Willy, I have thought of the change over to keepalived but as i'm unfarmilure with the config i may need some help and yet again i can only find health checks for http services.
Do you have any good references or able to help ? thanks Grant On Thu, Sep 20, 2012 at 7:53 AM, Willy Tarreau <[email protected]> wrote: > Hi Grant, > > On Thu, Sep 20, 2012 at 07:18:30AM +1000, Grant Brown wrote: > > hey > > > > i've been having some problems with my LVS configuration, after a few > hours > > its stops checking the real servers and then fails the ports. i want to > > move over to haproxy but i can only find excmples of http setups. i need > to > > be able to load balance SMTP, POP, HTTP, and DNS > > You won't do DNS with haproxy since it's for TCP-based services only. > > Also, you need to keep in mind that since it's a proxy, by default your > servers will see its own IP address in their logs instead of the original > client's. The move is not completely transparent, haproxy and LVS do not > work the same way and in fact they are quite complementary. The best > proof is that we install them both in our ALOHA appliances, LVS is for > layer 3/4 and haproxy is for layer 7. > > Really, if LVS gives you satisfaction for your services, you should keep > using it, especially for DNS, POP and SMTP where haproxy's added value > will be quite limited. > > Maybe you should start by updating/replacing the daemon which runs the > health checks ? We're having great success with keepalived, are you > using it or something else ? > > Regards, > Willy > >
