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-   -   Setting up a 32bits server with more than 4gb RAM (http://www.cfd-online.com/Forums/main/14817-setting-up-32bits-server-more-than-4gb-ram.html)

HSeldon February 19, 2008 20:29

Setting up a 32bits server with more than 4gb RAM
 
Hi, Since CFD is Hardware-intensive application, and also I work with fluids I thought that this site would be the best place to ask this: With a bunch of friends, we are planning to buy and old server (IBM Xseries with 8 Xeonīs) in order to run CFD on it. Hereīs my question. If those Xeonīs are 32 bits processors, but that server supports up to 16GB RAM, how I have to configure the OS (linux 32bit) in order to use more than those famous 4GB associated with the 32bits systems? I hope I was clear... Iīll have 16GB RAM in a 32bit system, so can I use the full power of the 8 Xeons and all that RAM?

Thanks a lot and sorry for my argentinian english. P.S: also I donīt want a full explanation. I donīt want to bother you. Just tell me if itīs posible or will be a waste of money.

otd February 19, 2008 22:39

Re: Setting up a 32bits server with more than 4gb
 
Your Agentinean English is much better than my Tennessee Spanish! : )

Sorry I don't know the answer to your question. I hope you can do the project.

HSeldon February 20, 2008 09:02

Re: Setting up a 32bits server with more than 4gb
 
LOL! Thank you otd!

Krzysztof Jagus February 21, 2008 12:29

Re: Setting up a 32bits server with more than 4gb
 
You cannot allocate more than 4gb per processor. The advantage of 8 Xeons is that you will be able to run parallel processing (8 nodes). As a consequence available RAM will be split among those 8 nodes.

HSeldon February 21, 2008 12:45

Re: Setting up a 32bits server with more than 4gb
 
More clear than water, thanks Krzysztof. Now I really want to buy that server!


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