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Old   February 20, 2004, 14:20
Default Linux Cluster OEMs?
  #1
steve podleski
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I am looking for info on Linux clusters that will be used for CFD calculations. I am aware that Dell sells this clusters; I am wondering whether there are other companies in the market. We are looking for machines that will have 20 or more cpus.
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Old   February 20, 2004, 15:51
Default Re: Linux Cluster OEMs?
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Jarmo Monttinen
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Check out http://www.pssclabs.com

Not sure if they have exactly what you are looking for, but you can give it a try.

-- Jarmo
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Old   February 20, 2004, 17:42
Default Re: Linux Cluster OEMs?
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steve podleski
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Thanks, that is exactly the info that I am seeking!
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Old   February 20, 2004, 19:18
Default Re: Linux Cluster OEMs?
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Jarmo Monttinen
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Glad I could help!

-- Jarmo
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Old   February 21, 2004, 07:26
Default Re: Linux Cluster OEMs?
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Jonas Larsson
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There are some more alternatives in the Resources/Hardware/Clusters section here at CFD Online.
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Old   February 21, 2004, 15:19
Default Re: Linux Cluster OEMs?
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steve podleski
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Jonas,

Thanks for that info.

BTW, regarding which is the proper version of Linux to use: with RedHat no longer supporting the public version of it RedHat software, should I choose another vendor of Linux?
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Old   February 21, 2004, 21:08
Default Re: Linux Cluster OEMs?
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Jonas Larsson
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I would go with either RedHat Fedora (the free unsupported variant) if you are familiar with linux or RedHat Enterprise if you need support. The cost for Enterprise isn't that high anyway and might be worth the cost - the automatic updates via RedHat network works very well and is almost a must if your cluster is exposed to the internet. If it is behind a firewall or on a local network you probably don't need the automatic updates. CFD Online will soon switch to a new server with Fedora on it. I would have prefered Enterprise but my ISP went with all Fedora so I choose to stay with their standard.
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Old   February 22, 2004, 01:20
Default Re: Linux Cluster OEMs?
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steve podleski
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Jonas,

Thanks again for your help.
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Old   February 22, 2004, 06:42
Default Re: Linux Cluster OEMs?
  #9
Jonas Larsson
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You're welcome. Another important issue in the choice of cluster OS is of course also which OS your CFD code vendor recommends and supports (assuming you run a commercial CFD code). If you are hesitating between RedHat Fedora or RedHat Enterprise you might want to ask your software vendor which they intend to have primary support for.
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Old   February 22, 2004, 14:01
Default Re: Linux Cluster OEMs?
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steve podleski
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Jonas,

We will be running an in-house CFD code called WIND which has been running on SGI Irix and various Linux OS.
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Old   February 22, 2004, 16:18
Default Re: Linux Cluster OEMs?
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Jonas Larsson
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Okay, then it is probably a good idea to ask the Wind developers at NASA Glenn or AEDC which Linux distribution they prefer and have the best experience from. I looked at their web-site but I couldn't find any OS recommendation. You can send an email to nparc-support@info.arnold.af.mil and ask.
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Old   February 26, 2004, 08:13
Default Re: Linux Cluster OEMs?
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F.K.
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www.hpcline.com
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Old   February 26, 2004, 09:33
Default Re: Linux Cluster OEMs?
  #13
steve podleski
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F.K.

Thank you for another website URL!
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Old   February 26, 2004, 09:36
Default Re: Linux Cluster OEMs?
  #14
steve podleski
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Jonas,

I will talk to some people at GRC. A couple of Linux clusters have been bought by another branch and I wanted to get a 'second opinion'.
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