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Fluent 6.2.16 on cluster saves data files slowly

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Old   May 15, 2007, 07:37
Default Fluent 6.2.16 on cluster saves data files slowly
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cle3000
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Hello! I have following problem regarding Fluent on a cluster. The calculations run fine but when I want to save with the autosave command it takes up to 1 hour to save a 70MB large data file. I also get following message in the command window which I never had before:

"Host receiving summary from compute node zero. Writing "/array/clemens/estonia/empty/deck4_vinlet_poutlet-0001.dat"... Host receiving injections from compute nodes. freeing host particles. Done."

Does anybody know what could cause this slow down? Thanks for any help! C.
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Old   May 18, 2007, 07:52
Default Re: Fluent 6.2.16 on cluster saves data files slow
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Bogdan
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The messages you get on the console are normal, don't be worry about them. Which communicator do you use? try the -pnet option, is not the fastest one in communication, but for writing files in parallel is the best.
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Old   May 21, 2007, 10:54
Default Re: Fluent 6.2.16 on cluster saves data files slow
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cle3000
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Thanks for your help!
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