failover / fault-tolerant configurations

Renaud Allard renaud at
Tue May 27 22:59:21 MSD 2008

Pavel Georgiev wrote:
> I`m using nginx as a load balances for 2 backend servers that run a php 
> application. I need session awareness so I`ve enabled ip_hash for the 
> upstream, but in case one node fails, all requests that should go to that 
> node get the error_page.
> Is there a way to have session awareness without loosing the redundancy that 2 
> backend servers provide?

What I use is session_mysql over a master-master mysql server, this 
should allow you to get the session hash between both servers.
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