DFS or Cluster server 2008

Hi there,
I am running server 2008 domain.  I have some critical shared folders on Domain Controllers (each one scattered on different domain controllers) which needs high availablity,  need to know should I make DFS or Cluster the whole domain controllers.  At the moment I have limited knowledge in both.
Please advise the best scenario for me, purpose is to get those data shared folders be available in case any domain controller is offline/dead.  If that can be done in addition to making a cluster will be awesome.  Help I need to understand the difference betweent the two and what is best for my domain.  Easy steps will help me understand more.
Thanks
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amanzoorNetwork infrastructure AdminAsked:
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mightofnightCommented:
If you don't have experience with either i would recommend trying DFS first, it's very simple to setup and doesn't require Microsoft enterprise licensing :)   And if it doesn't do what you want you will still have great knowledge that you will surly put to good use at some point.

First you need to create a dfs root (namespace)

exp: //<domain name>/files/   (files is my namespace)

Then you create folders under your name space.  Then you decide what server(s) these folders will belong to and if all the shares will be available or not.  

I recommend using windows server 2003 R2 or later so you can use DFS instead of the older file replication services (FRS).
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mightofnightCommented:
I don't know if clustering handles it differently but i know with DFS you will have issues with files that are updated at multiple locations simultaneously.  

I personally use DFS to replicate offsite but have the Dr address hidden in the DFS tree.  This way all updates happen at the production site and it's ready to fail over in a blink.  Very straight forward!
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amanzoorNetwork infrastructure AdminAuthor Commented:
Thanks mightofnight
I really appreciate your time.  I am going for DFS.
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