[exim] hosts_randomize not working as expected

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Auteur: Marc Silver
Date:  
À: exim-users
Anciens-sujets: [exim] randomize not working as expected
Sujet: [exim] hosts_randomize not working as expected
Hi folks,

I apologise for reposting this, but I'm desperate for some insight
here... any feedback would be very much appreciated...

On Tue, Apr 24, 2007 at 08:13:27AM +0200, Marc Silver wrote:
> Hey guys,
>
> I am currently responsible for the administration of four exim servers
> (running 4.66) which we utilize as our inbound MX servers. Mail for our
> domain is then manually routed via the exim machines back to our main
> offices using the manualroute option over a compressed ssh tunnel. I'm
> using the randomize option to give me crude load balancing, but it
> doesn't appear to be working very well. What I'm seeing is that one or
> two of the servers at our main office seem to be getting much more load
> than the other two.
>
> I am using the following router:
>
>   forcepath:
>     debug_print = "R: forcepath for $local_part@$domain"
>     driver = manualroute
>     domains = !+local_domains:partial0-lsearch;CONFDIR/forcepath.list
>     route_data = ${lookup{$domain}partial0-lsearch{CONFDIR/forcepath.list}}
>     transport = remote_smtp
>     host_find_failed = defer
>     same_domain_copy_routing = yes
>     self = send
>     no_more

>
> And the following transport:
>
>   remote_smtp:
>     driver = smtp

>
> Here are the contents of forcepath.list:
> domain.co.za: 127.0.0.1::10025:127.0.0.1::10026:127.0.0.1::10027:127.0.0.1::10028 randomize byname
>
> Can anyone help me to get these machines to balance more equally? What
> am I missing?