Re: [AMBER] Trajectory Smoothing

From: Ganesh Krishnan <hereisganesh.yahoo.com>
Date: Sun, 18 Apr 2010 10:25:47 -0700 (PDT)

The files are certainly accessible. Let me give you a rundown of the behavior I've seen so far.

Let's say the executable is in /path.to.sander. I also a made a copy of sander.MPI in my current directory. The executables are identical.

1) /path.to.sander/sander.MPI -O -i trajene.in -o trajene.out -p prmtop -c inpcrd -x mdcrd.out  -y mdcrd -ref inpcrd -inf trajeneinfo -r trajenerestrt

Output: Unit    5 Error on OPEN: trajene.in  

2)./sander.MPI -O -i trajene.in -o trajene.out -p prmtop -c inpcrd -x mdcrd.out  -y mdcrd -ref inpcrd -inf trajeneinfo -r trajenerestrt

Output: None. The mdcrd.out file is correctly created.

3) I made a copy of trajene.in in /path.to.sander/sander.MPI. I then ran the same command as in (1).

Output: Unit    8 Error on OPEN: prmtop

(3) proves that /path.to/sander.MPI is expecting to find trajene.in in /path.to.sander.

Any ideas on what the problem could be?

Thanks
Ganesh Krishna

--- On Sun, 4/18/10, David A. Case <case.biomaps.rutgers.edu> wrote:

From: David A. Case <case.biomaps.rutgers.edu>
Subject: Re: [AMBER] Trajectory Smoothing
To: "AMBER Mailing List" <amber.ambermd.org>
Date: Sunday, April 18, 2010, 12:37 AM

On Sat, Apr 17, 2010, Ganesh Krishnan wrote:

> 6) It seems like sander is now refusing to accept relative paths. The
> previous version that I have, accepts relative paths without a
> problem. This one takes the location of the sander.MPI executable as the
> path to look for the mdin and other files.

This is not true.  I think you need to look for other causes of the problem.
Are you sure that all nodes of your cluster see the needed files?

....dac


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Received on Sun Apr 18 2010 - 10:30:02 PDT
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