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I am creating a beowulf cluster on a very limited budget which will be used to simulate fluid flow problems. I have never created a beowulf cluster before and am looking for suggestions and gotchas that I will run into.

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Do people even call them 'beowulf' clusters any more? I thought they're just 'clusters' now. – Gary Richardson Apr 30 '09 at 18:33
it seems to me that there are better ways of solving this problem – dr.pooter Jun 15 '09 at 6:09
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Hardware fails. You'll have to keep fixing it or replacing it, so make sure you have an easy way to handle it. I built a cluster using FAI to autodeploy the nodes so that if one failed for any reason (disk, CPU, whatever), it was easy to rebuild a new one from scratch.

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If you have never done it before, building a Rocks cluster the first time can save you a lot of time and frustration, as well as teach you what you need to know if you want to "roll your own" the next time around.

http://www.rocksclusters.org/wordpress/

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