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August 16, 2012, 11:21 |
Windows Cluster
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#1 |
Member
David
Join Date: Aug 2012
Posts: 48
Rep Power: 13 |
Hi friends
I'm trying to run a cluster in Windows, well it's not really a cluster is a multi remote pcs station. So i have severall laptops connected to a network. I installed in all of them star ccm+ and MPICH and i register in mregister.exe the proper user and password. When i try to run a simulation with 2 pcs i have no problems with for example: starccm+ -server -on 192.168.1.12 but when i add one more computer like: starccm+ -server -on 192.168.1.12,192.168.1.13 i get a LaunchProcess Error Thanks, and please ask for more information if it is needed, i will try to give more details soon New Update I have solved almost all problem above and i can run easily a remote multi-PC system with 32 bits system but now i'm trying to add that server severall 64 bits PCs, which i dont know if it's possible at all, please i will be very if someone can help me i'm starting with CFD. The error that i keep getting when i try to run a 64 bit machine from a 32 bit one is the following: Starting local server: starccm+ -server -on 192.168.1.10:2 -collab -master david getmpifinalized returned: FAIL Sending kill commands to launched processes getmpifinalized returned: FAIL process 0 on david exited without calling MPIFinalize Before this error i get another one that i solved by moving the starccm folder on the 64 bits PC. Thanks you in advance. Last edited by GM_XIII; August 17, 2012 at 11:42. Reason: Updates |
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August 28, 2012, 19:12 |
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#2 |
Senior Member
Join Date: Oct 2009
Location: Germany
Posts: 636
Rep Power: 21 |
I think it's not possible to run a simulation on a 32bit and a 64bit machine at the same time.
Connecting a 32bit client to a 64bit server works fine, but the server can't run on 32 and 64bit at a time.
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August 30, 2012, 03:26 |
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#3 |
Member
David
Join Date: Aug 2012
Posts: 48
Rep Power: 13 |
Thanks you for your answer .
I've realised of that too, now I'm trying to make work a 64 bits cluster but i can't since the program tells me that there is a mpi problem even when the pcs individually can run in parallel. Have someone had this problem? It also says something about a Logon error. |
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August 30, 2012, 18:49 |
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#4 |
Senior Member
Join Date: Oct 2009
Location: Germany
Posts: 636
Rep Power: 21 |
To run in parallel, you need to be able to login from a machine to every other machine without the need to specify a password.
I had similar issues during my thesis due to (global) network restrictions from the IT department. It was weird since I had a valid account and could locally login on every machine without any issues. It looked like the user rights didn't allow the communication to take place. The solution was to give me access to a (local) superuser account (all machines run on Windows XP). I would try that, when it works, it's the somewhere buried in the OS setup. Otherwise it might get too complicated. The issue is, I don't have multiple machines at home and most of the time I'm using Linux. Therefore I'm running out of ideas very quickly. Maybe you can call the CD-adapco support desk, the guys there will have more experience.
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August 31, 2012, 06:11 |
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#5 |
Member
David
Join Date: Aug 2012
Posts: 48
Rep Power: 13 |
Thanks for your answer. When I ran it in 32 bits system i set the same username and password to all pcs and there was no problem but now with the 64 bits i can't, i will try to look for more information about what you've said, thanks again for the hint.
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