[et-mgmt-tools] Xen 'production' services - are we there yet?

[Richard W.M. Jones]

Richard W.M. Jones wrote:
> We found virtualisation made a great solution for isolating different 
> servers from each other.  We had previously had a problem where our 
> Apache required so many different modules to support the various 
> different services we were running that the Apache config became 
> extremely fragile.  No such problem with Xen however since we just ran 
> different Apache instances on different guests, with a web accelerator 
> in front of them (a stripped down Apache with mod_proxy) so that all the 
> backend Apaches would appear on the same IP address.  You could reboot a 
> backend server easily if it failed without affecting any other 
> production service.

I should add that if you do consider an Apache configuration like the 
above, then this little module is an absolute life-saver:

http://stderr.net/apache/rpaf/

Rich.

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