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cenotaph
n00b
Joined: 08 Apr 2003
Posts: 8
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 Posted: Thu Feb 24, 2005 11:52 pm Post subject: MPICH and RSH |
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I need some help,
I have followed all the steps to make a cluster:
http://www.gentoo.org/proj/en/cluster/hpc-howto.xml?style=printable
I don't want to use SSH, I want to use RSH to access the nodes.
MPICH seems to compile to use SSH even though I have -crypt in my USE FLAGS, so I tried removing the if statement in the ebuild which said but it still compiles with ssh. I can tell because mpirun uses port 22 to access the nodes.
I also tried | Code: | | MPICH_CONFIGURE_OPTS="-rsh=rsh" emerge mpich |
but it still uses SSH to access the nodes. RSH is installed and running well on all the nodes, I have tested it.
What am I doing wrong? |
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jdgill0
Veteran
Joined: 25 Mar 2003
Posts: 1366
Location: Lexington, Ky -- USA
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| Posted: Thu Mar 03, 2005 8:50 pm Post subject: |
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Are you sure you have -crypt USE flag disabled, i.e. emerge -pv mpich shows "-crypt" ? ... I recently found myself without SSH support in mpich because I had not set USE=crypt. Unfortunately, I did not realize the addition of the "crypt" USE flag, and spent a good bit of time trying to figure out why mpich was not working with SSH.
Or perhaps you have an environment variable that is setting RSH=SSH?
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