Re: Thoughts on multiple servers

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Ronald Wiplinger wrote:

> Questions:
> 1. Any hints on above configuration?

I would take a look at LinuxHA for a high-availability N+1 solution.

> 2. Has anybody experience with a cluster mysql?
> 3. How to get the web servers working with the closest connection
> (according to the users IP) ?

You could set up two different views on your DNS, and then try to pick
the right view depending on the geographical location of your customer. 
There are also systems out there that will examine the routing tables,
and pick the "closest" server based on that.  I think UltraMonkey will
do something like that.

> 4. How do I get info about the users IP (within the web server) to
> provide startup settings, like Time zone & so time of the user,
> language, country, ... ?

Geographical mapping of the IP is your best option.  Lookup the IP in a
database to determine the country, then set a default for timezone,
language etc., but let the user override it. 

> 5. How to make it fail-fall-over if one of the server (web and/or
> database server!) is not working?

A high availability for geographically dispersed servers?  Maybe you
should take a look at Linux Virtual Server, I'm not certain it'll help
though. 


/Per Jessen, Zürich

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