subrequest failover

[Maxim Dounin]

Hello!

On Tue, Sep 14, 2010 at 06:02:20PM -0700, James Lyons wrote:

> so lets say I have a config that looks like:
> upstream somename {
>                 server www.somename1.net:80;
>                 server www.somename2.net:80;
>                 server www.somename3.net:80;
> }
> 
> location /data/ {
> ...
> proxy_pass http://somename/data/;
> }
> -------------
> These names are processed as round robin I assume, but if a connection
> to one fails -- it won't retry elsewhere.

It will.

http://wiki.nginx.org/NginxHttpProxyModule#proxy_next_upstream

> To get that, i need to specify backup like in the example below.

Backup servers are only tried if all normal servers were detected 
to be down.

> But can I similarly specify multiple backups and have those load balanced
> as well?

Yes. 

Maxim Dounin