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[abinit-forum] Using remote computers


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  • From: <jimprtlnd01@gmail.com>
  • To: forum@abinit.org
  • Subject: [abinit-forum] Using remote computers
  • Date: Mon, 20 Oct 2008 23:22:28 +0200 (CEST)

I am attempting to use ABINIT in parallel over the internet.

Specifically, here's what I've set up:

I am running:

mpirun -np 4 -hostfile hosts.txt abinip < file.files > file.log


My host file contains 3 items:

jimscomputer.local slots =2
jimscomputer@123.4.5.192 slots = 2
jimscomputer@jimsothercomputer slots = 2

I have established public/private key authentication between all computers,
and
when I do:

ssh jimscomputer@123.4.5.192

it succeeds, no password required (because of public/private key
authentication).


If I use the first two lines of hosts.txt (both computers are local, connected
directly or through my router), it works, starting on 2 processes on each
computer.

If I use the first and third lines, it just hangs after I press Enter. As if
it's waiting for something that never happens.

Now to be clear, the remote computer is behind a router too, but is forwarding
port 22. That is verified by ssh working directly.

Please let me know what to do next, what I can check, what I can do to get
this
running remotely. Thanks!!!

Jim



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